diff --git a/Makefile.am b/Makefile.am
index 11e45dae8255..5f09d170e730 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -112,6 +112,10 @@ commitcheck:
 		${top_srcdir}/scripts/commitcheck.sh; \
 	fi
 
+CHECKS += spdxcheck
+spdxcheck:
+	$(AM_V_at)$(top_srcdir)/scripts/spdxcheck.pl
+
 if HAVE_PARALLEL
 cstyle_line = -print0 | parallel -X0 ${top_srcdir}/scripts/cstyle.pl -cpP {}
 else
diff --git a/cmd/arc_summary b/cmd/arc_summary
index 72381d266e64..c1319573220c 100755
--- a/cmd/arc_summary
+++ b/cmd/arc_summary
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: BSD-2-Clause
 #
 # Copyright (c) 2008 Ben Rockwood <benr@cuddletech.com>,
 # Copyright (c) 2010 Martin Matuska <mm@FreeBSD.org>,
diff --git a/cmd/arcstat.in b/cmd/arcstat.in
index 5016e16d0685..534e4f422dde 100755
--- a/cmd/arcstat.in
+++ b/cmd/arcstat.in
@@ -1,4 +1,5 @@
 #!/usr/bin/env @PYTHON_SHEBANG@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # Print out ZFS ARC Statistics exported via kstat(1)
 # For a definition of fields, or usage, use arcstat -v
diff --git a/cmd/dbufstat.in b/cmd/dbufstat.in
index 1252496577bc..37e765f5c359 100755
--- a/cmd/dbufstat.in
+++ b/cmd/dbufstat.in
@@ -1,4 +1,5 @@
 #!/usr/bin/env @PYTHON_SHEBANG@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # Print out statistics for all cached dmu buffers.  This information
 # is available through the dbufs kstat and may be post-processed as
diff --git a/cmd/mount_zfs.c b/cmd/mount_zfs.c
index 283074daf717..16aea8c7e03d 100644
--- a/cmd/mount_zfs.c
+++ b/cmd/mount_zfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/raidz_test/raidz_bench.c b/cmd/raidz_test/raidz_bench.c
index 730e6e1a040b..db51b8818aa6 100644
--- a/cmd/raidz_test/raidz_bench.c
+++ b/cmd/raidz_test/raidz_bench.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/raidz_test/raidz_test.c b/cmd/raidz_test/raidz_test.c
index 6a018ecf0737..cf3e123c6090 100644
--- a/cmd/raidz_test/raidz_test.c
+++ b/cmd/raidz_test/raidz_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/raidz_test/raidz_test.h b/cmd/raidz_test/raidz_test.h
index f912e281f6f3..f0b854cefb5d 100644
--- a/cmd/raidz_test/raidz_test.h
+++ b/cmd/raidz_test/raidz_test.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index aba99fabbbb9..408fd247e341 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zdb/zdb.h b/cmd/zdb/zdb.h
index a7d453c8c0d7..6b6c9169816b 100644
--- a/cmd/zdb/zdb.h
+++ b/cmd/zdb/zdb.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zdb/zdb_il.c b/cmd/zdb/zdb_il.c
index d0a9bf1aacb6..6b90b08ca1b1 100644
--- a/cmd/zdb/zdb_il.c
+++ b/cmd/zdb/zdb_il.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/fmd_api.c b/cmd/zed/agents/fmd_api.c
index fe43e2ab971e..103bc33f0c20 100644
--- a/cmd/zed/agents/fmd_api.c
+++ b/cmd/zed/agents/fmd_api.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/fmd_api.h b/cmd/zed/agents/fmd_api.h
index 8471feecf33f..31077cef0f9e 100644
--- a/cmd/zed/agents/fmd_api.h
+++ b/cmd/zed/agents/fmd_api.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/fmd_serd.c b/cmd/zed/agents/fmd_serd.c
index f942e62b3f48..bf3a18015529 100644
--- a/cmd/zed/agents/fmd_serd.c
+++ b/cmd/zed/agents/fmd_serd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/fmd_serd.h b/cmd/zed/agents/fmd_serd.h
index 80ff9a3b25b8..fd49811e16eb 100644
--- a/cmd/zed/agents/fmd_serd.h
+++ b/cmd/zed/agents/fmd_serd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/zfs_agents.c b/cmd/zed/agents/zfs_agents.c
index 8fabb8d081a5..8718dbde03b6 100644
--- a/cmd/zed/agents/zfs_agents.c
+++ b/cmd/zed/agents/zfs_agents.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/zfs_agents.h b/cmd/zed/agents/zfs_agents.h
index d1a459139b1e..c89edb5f9b15 100644
--- a/cmd/zed/agents/zfs_agents.h
+++ b/cmd/zed/agents/zfs_agents.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/zfs_diagnosis.c b/cmd/zed/agents/zfs_diagnosis.c
index b45b89af430f..453243b2f8ce 100644
--- a/cmd/zed/agents/zfs_diagnosis.c
+++ b/cmd/zed/agents/zfs_diagnosis.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/zfs_mod.c b/cmd/zed/agents/zfs_mod.c
index d0372608c723..5f4409421d27 100644
--- a/cmd/zed/agents/zfs_mod.c
+++ b/cmd/zed/agents/zfs_mod.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/agents/zfs_retire.c b/cmd/zed/agents/zfs_retire.c
index 6f994b68a127..90d0a48b2b77 100644
--- a/cmd/zed/agents/zfs_retire.c
+++ b/cmd/zed/agents/zfs_retire.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/zed.c b/cmd/zed/zed.c
index 4a413af6f927..124250248fd7 100644
--- a/cmd/zed/zed.c
+++ b/cmd/zed/zed.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed.d/statechange-notify.sh b/cmd/zed/zed.d/statechange-notify.sh
index ae610df20e45..c8c832375750 100755
--- a/cmd/zed/zed.d/statechange-notify.sh
+++ b/cmd/zed/zed.d/statechange-notify.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: CDDL-1.0
 # shellcheck disable=SC2154
 #
 # CDDL HEADER START
diff --git a/cmd/zed/zed.h b/cmd/zed/zed.h
index 94f13c2c9da7..3f467fc4b1d6 100644
--- a/cmd/zed/zed.h
+++ b/cmd/zed/zed.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_conf.c b/cmd/zed/zed_conf.c
index 29de27c77c34..8663a9573498 100644
--- a/cmd/zed/zed_conf.c
+++ b/cmd/zed/zed_conf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_conf.h b/cmd/zed/zed_conf.h
index 84825a05da6b..7336dea9e1a4 100644
--- a/cmd/zed/zed_conf.h
+++ b/cmd/zed/zed_conf.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_disk_event.c b/cmd/zed/zed_disk_event.c
index 4a2b7398e922..8b0a1c499449 100644
--- a/cmd/zed/zed_disk_event.c
+++ b/cmd/zed/zed_disk_event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/zed_disk_event.h b/cmd/zed/zed_disk_event.h
index ea9813d0a595..acd5119b861b 100644
--- a/cmd/zed/zed_disk_event.h
+++ b/cmd/zed/zed_disk_event.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zed/zed_event.c b/cmd/zed/zed_event.c
index 7e5867692234..296c222ca382 100644
--- a/cmd/zed/zed_event.c
+++ b/cmd/zed/zed_event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_event.h b/cmd/zed/zed_event.h
index 5606f14a21a0..03341f1e1d25 100644
--- a/cmd/zed/zed_event.h
+++ b/cmd/zed/zed_event.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_exec.c b/cmd/zed/zed_exec.c
index e45acfb2c69f..036081decd64 100644
--- a/cmd/zed/zed_exec.c
+++ b/cmd/zed/zed_exec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_exec.h b/cmd/zed/zed_exec.h
index e4c8d86335b8..cea0ef439784 100644
--- a/cmd/zed/zed_exec.h
+++ b/cmd/zed/zed_exec.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_file.c b/cmd/zed/zed_file.c
index b62f68b2610f..c706398cdf99 100644
--- a/cmd/zed/zed_file.c
+++ b/cmd/zed/zed_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_file.h b/cmd/zed/zed_file.h
index 7e3a0efcaf37..55c2937f3d21 100644
--- a/cmd/zed/zed_file.h
+++ b/cmd/zed/zed_file.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_log.c b/cmd/zed/zed_log.c
index 0c4ab6f47db7..771bf3a4e702 100644
--- a/cmd/zed/zed_log.c
+++ b/cmd/zed/zed_log.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_log.h b/cmd/zed/zed_log.h
index 18ab0553ea40..f729813a344c 100644
--- a/cmd/zed/zed_log.h
+++ b/cmd/zed/zed_log.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_strings.c b/cmd/zed/zed_strings.c
index 52a86e9296fe..2e5ed1d83d67 100644
--- a/cmd/zed/zed_strings.c
+++ b/cmd/zed/zed_strings.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zed/zed_strings.h b/cmd/zed/zed_strings.h
index 804639592fe5..83ba3af703f3 100644
--- a/cmd/zed/zed_strings.h
+++ b/cmd/zed/zed_strings.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of the ZFS Event Daemon (ZED).
  *
diff --git a/cmd/zfs/zfs_iter.c b/cmd/zfs/zfs_iter.c
index 202cb0e82b5a..e50e77a69c8e 100644
--- a/cmd/zfs/zfs_iter.c
+++ b/cmd/zfs/zfs_iter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zfs/zfs_iter.h b/cmd/zfs/zfs_iter.h
index d742ec7b2ec4..256d64d0030f 100644
--- a/cmd/zfs/zfs_iter.h
+++ b/cmd/zfs/zfs_iter.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zfs/zfs_main.c b/cmd/zfs/zfs_main.c
index 73ccf72d263c..8dbb60458a23 100644
--- a/cmd/zfs/zfs_main.c
+++ b/cmd/zfs/zfs_main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zfs/zfs_project.c b/cmd/zfs/zfs_project.c
index 8a010e103bef..fbf5e6cbdc68 100644
--- a/cmd/zfs/zfs_project.c
+++ b/cmd/zfs/zfs_project.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zfs/zfs_projectutil.h b/cmd/zfs/zfs_projectutil.h
index e4038d885cdd..c61d2ea9b92b 100644
--- a/cmd/zfs/zfs_projectutil.h
+++ b/cmd/zfs/zfs_projectutil.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zfs/zfs_util.h b/cmd/zfs/zfs_util.h
index 07ade72dd28c..b6611b7dde47 100644
--- a/cmd/zfs/zfs_util.h
+++ b/cmd/zfs/zfs_util.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zfs_ids_to_path.c b/cmd/zfs_ids_to_path.c
index 4db7e949ead0..f1b0eac7b0c1 100644
--- a/cmd/zfs_ids_to_path.c
+++ b/cmd/zfs_ids_to_path.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zgenhostid.c b/cmd/zgenhostid.c
index 04433b0d973c..571ae26f5dfc 100644
--- a/cmd/zgenhostid.c
+++ b/cmd/zgenhostid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zhack.c b/cmd/zhack.c
index f297afb65d47..8244bc83fa0d 100644
--- a/cmd/zhack.c
+++ b/cmd/zhack.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zilstat.in b/cmd/zilstat.in
index 6be7f83936d7..4140398bf4a3 100755
--- a/cmd/zilstat.in
+++ b/cmd/zilstat.in
@@ -1,4 +1,5 @@
 #!/usr/bin/env @PYTHON_SHEBANG@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # Print out statistics for all zil stats. This information is
 # available through the zil kstat.
diff --git a/cmd/zinject/translate.c b/cmd/zinject/translate.c
index c63caedd1583..898edd9edbd7 100644
--- a/cmd/zinject/translate.c
+++ b/cmd/zinject/translate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zinject/zinject.c b/cmd/zinject/zinject.c
index 4374e69a7f94..8be659278616 100644
--- a/cmd/zinject/zinject.c
+++ b/cmd/zinject/zinject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zinject/zinject.h b/cmd/zinject/zinject.h
index 73176a24195a..4073974d115b 100644
--- a/cmd/zinject/zinject.h
+++ b/cmd/zinject/zinject.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool/os/freebsd/zpool_vdev_os.c b/cmd/zpool/os/freebsd/zpool_vdev_os.c
index c57c689afa9c..67cbf7b7eb12 100644
--- a/cmd/zpool/os/freebsd/zpool_vdev_os.c
+++ b/cmd/zpool/os/freebsd/zpool_vdev_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool/os/linux/zpool_vdev_os.c b/cmd/zpool/os/linux/zpool_vdev_os.c
index f194d28c55a9..8da9aece4bb0 100644
--- a/cmd/zpool/os/linux/zpool_vdev_os.c
+++ b/cmd/zpool/os/linux/zpool_vdev_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool/zpool_iter.c b/cmd/zpool/zpool_iter.c
index ae2e9da9108d..2ec189b98653 100644
--- a/cmd/zpool/zpool_iter.c
+++ b/cmd/zpool/zpool_iter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index 5fcf0991de66..f2c2c3f41a7c 100644
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool/zpool_util.c b/cmd/zpool/zpool_util.c
index e7ff739e5b49..ff2597ef65ef 100644
--- a/cmd/zpool/zpool_util.c
+++ b/cmd/zpool/zpool_util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool/zpool_util.h b/cmd/zpool/zpool_util.h
index 7f5406f063e1..5ab7cb9750f1 100644
--- a/cmd/zpool/zpool_util.h
+++ b/cmd/zpool/zpool_util.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool/zpool_vdev.c b/cmd/zpool/zpool_vdev.c
index fbd4b81dfacc..07868a30d7e7 100644
--- a/cmd/zpool/zpool_vdev.c
+++ b/cmd/zpool/zpool_vdev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zpool_influxdb/zpool_influxdb.c b/cmd/zpool_influxdb/zpool_influxdb.c
index 520e56926905..42aa6b47e804 100644
--- a/cmd/zpool_influxdb/zpool_influxdb.c
+++ b/cmd/zpool_influxdb/zpool_influxdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * Gather top-level ZFS pool and resilver/scan statistics and print using
  * influxdb line protocol
diff --git a/cmd/zstream/zstream.c b/cmd/zstream/zstream.c
index b1509c1f29ea..d3417c69c49a 100644
--- a/cmd/zstream/zstream.c
+++ b/cmd/zstream/zstream.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zstream/zstream.h b/cmd/zstream/zstream.h
index f629a6cdfbab..889b6e753e63 100644
--- a/cmd/zstream/zstream.h
+++ b/cmd/zstream/zstream.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zstream/zstream_decompress.c b/cmd/zstream/zstream_decompress.c
index c64011e3822a..40bb1ece881c 100644
--- a/cmd/zstream/zstream_decompress.c
+++ b/cmd/zstream/zstream_decompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zstream/zstream_dump.c b/cmd/zstream/zstream_dump.c
index 9955a1361e8d..78949d4d0666 100644
--- a/cmd/zstream/zstream_dump.c
+++ b/cmd/zstream/zstream_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zstream/zstream_recompress.c b/cmd/zstream/zstream_recompress.c
index 586ac5623aa5..174265eceb09 100644
--- a/cmd/zstream/zstream_recompress.c
+++ b/cmd/zstream/zstream_recompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zstream/zstream_redup.c b/cmd/zstream/zstream_redup.c
index 51266b0b6629..0e18c52496fd 100644
--- a/cmd/zstream/zstream_redup.c
+++ b/cmd/zstream/zstream_redup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/zstream/zstream_token.c b/cmd/zstream/zstream_token.c
index 795a372633ef..be6ae09f81e0 100644
--- a/cmd/zstream/zstream_token.c
+++ b/cmd/zstream/zstream_token.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/cmd/ztest.c b/cmd/ztest.c
index 4a7959ebfca5..0461f78ab76e 100644
--- a/cmd/ztest.c
+++ b/cmd/ztest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/config/ax_code_coverage.m4 b/config/ax_code_coverage.m4
index cd2498358df2..eb78a9d7779b 100644
--- a/config/ax_code_coverage.m4
+++ b/config/ax_code_coverage.m4
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
 # ===========================================================================
 #     https://www.gnu.org/software/autoconf-archive/ax_code_coverage.html
 # ===========================================================================
diff --git a/configure.ac b/configure.ac
index 9e043862ed1f..c05c874affc9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file is part of OpenZFS.
  *
diff --git a/contrib/pam_zfs_key/pam_zfs_key.c b/contrib/pam_zfs_key/pam_zfs_key.c
index c617a6e6b370..a0bc172c6f44 100644
--- a/contrib/pam_zfs_key/pam_zfs_key.c
+++ b/contrib/pam_zfs_key/pam_zfs_key.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/contrib/pyzfs/libzfs_core/__init__.py b/contrib/pyzfs/libzfs_core/__init__.py
index a80f94b524ec..13b50ca4329f 100644
--- a/contrib/pyzfs/libzfs_core/__init__.py
+++ b/contrib/pyzfs/libzfs_core/__init__.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/_constants.py b/contrib/pyzfs/libzfs_core/_constants.py
index 9c40ece1a7df..95c9a6738289 100644
--- a/contrib/pyzfs/libzfs_core/_constants.py
+++ b/contrib/pyzfs/libzfs_core/_constants.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/_error_translation.py b/contrib/pyzfs/libzfs_core/_error_translation.py
index 3d1a2d573e39..d5491a3245cd 100644
--- a/contrib/pyzfs/libzfs_core/_error_translation.py
+++ b/contrib/pyzfs/libzfs_core/_error_translation.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/_libzfs_core.py b/contrib/pyzfs/libzfs_core/_libzfs_core.py
index fa74ad9a760c..0ebf99be67c2 100644
--- a/contrib/pyzfs/libzfs_core/_libzfs_core.py
+++ b/contrib/pyzfs/libzfs_core/_libzfs_core.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/_nvlist.py b/contrib/pyzfs/libzfs_core/_nvlist.py
index dc6d820bdea3..6bea0cedde4e 100644
--- a/contrib/pyzfs/libzfs_core/_nvlist.py
+++ b/contrib/pyzfs/libzfs_core/_nvlist.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/bindings/__init__.py b/contrib/pyzfs/libzfs_core/bindings/__init__.py
index 4bdd9ea3115e..507788e103cd 100644
--- a/contrib/pyzfs/libzfs_core/bindings/__init__.py
+++ b/contrib/pyzfs/libzfs_core/bindings/__init__.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/bindings/libnvpair.py b/contrib/pyzfs/libzfs_core/bindings/libnvpair.py
index 54a805907237..e2edaf9ad1c4 100644
--- a/contrib/pyzfs/libzfs_core/bindings/libnvpair.py
+++ b/contrib/pyzfs/libzfs_core/bindings/libnvpair.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/bindings/libzfs_core.py b/contrib/pyzfs/libzfs_core/bindings/libzfs_core.py
index bcb9ed379e21..ca752f65413d 100644
--- a/contrib/pyzfs/libzfs_core/bindings/libzfs_core.py
+++ b/contrib/pyzfs/libzfs_core/bindings/libzfs_core.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/ctypes.py b/contrib/pyzfs/libzfs_core/ctypes.py
index d337f46ed643..bbb3790f32df 100644
--- a/contrib/pyzfs/libzfs_core/ctypes.py
+++ b/contrib/pyzfs/libzfs_core/ctypes.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/exceptions.py b/contrib/pyzfs/libzfs_core/exceptions.py
index ba8f7e49093c..b26a37f5de10 100644
--- a/contrib/pyzfs/libzfs_core/exceptions.py
+++ b/contrib/pyzfs/libzfs_core/exceptions.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/test/test_libzfs_core.py b/contrib/pyzfs/libzfs_core/test/test_libzfs_core.py
index c94ae6de6bbf..971aa1d0d493 100644
--- a/contrib/pyzfs/libzfs_core/test/test_libzfs_core.py
+++ b/contrib/pyzfs/libzfs_core/test/test_libzfs_core.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/contrib/pyzfs/libzfs_core/test/test_nvlist.py b/contrib/pyzfs/libzfs_core/test/test_nvlist.py
index c3c61142da50..cdddc23f2be7 100644
--- a/contrib/pyzfs/libzfs_core/test/test_nvlist.py
+++ b/contrib/pyzfs/libzfs_core/test/test_nvlist.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2015 ClusterHQ
 #
diff --git a/etc/init.d/zfs-import.in b/etc/init.d/zfs-import.in
index ff169eb96d86..3e2f15ce9706 100755
--- a/etc/init.d/zfs-import.in
+++ b/etc/init.d/zfs-import.in
@@ -1,4 +1,5 @@
 #!@DEFAULT_INIT_SHELL@
+# SPDX-License-Identifier: BSD-2-Clause
 # shellcheck disable=SC2154
 #
 # zfs-import    This script will import ZFS pools
diff --git a/etc/init.d/zfs-load-key.in b/etc/init.d/zfs-load-key.in
index 27dfeeb0bcc5..1edff9c6b3ec 100755
--- a/etc/init.d/zfs-load-key.in
+++ b/etc/init.d/zfs-load-key.in
@@ -1,4 +1,5 @@
 #!@DEFAULT_INIT_SHELL@
+# SPDX-License-Identifier: BSD-2-Clause
 # shellcheck disable=SC2154
 #
 # zfs-load-key  This script will load/unload the zfs filesystems keys.
diff --git a/etc/init.d/zfs-mount.in b/etc/init.d/zfs-mount.in
index 6a3ca5f86908..3b5004e0d20c 100755
--- a/etc/init.d/zfs-mount.in
+++ b/etc/init.d/zfs-mount.in
@@ -1,4 +1,5 @@
 #!@DEFAULT_INIT_SHELL@
+# SPDX-License-Identifier: BSD-2-Clause
 # shellcheck disable=SC2154
 #
 # zfs-mount     This script will mount/umount the zfs filesystems.
diff --git a/etc/init.d/zfs-share.in b/etc/init.d/zfs-share.in
index 06c59c620b75..c52b4900e359 100755
--- a/etc/init.d/zfs-share.in
+++ b/etc/init.d/zfs-share.in
@@ -1,4 +1,5 @@
 #!@DEFAULT_INIT_SHELL@
+# SPDX-License-Identifier: BSD-2-Clause
 # shellcheck disable=SC2154
 #
 # zfs-share     This script will network share zfs filesystems and volumes.
diff --git a/etc/init.d/zfs-zed.in b/etc/init.d/zfs-zed.in
index 3d40600cea5d..0dae98f74e05 100755
--- a/etc/init.d/zfs-zed.in
+++ b/etc/init.d/zfs-zed.in
@@ -1,4 +1,5 @@
 #!@DEFAULT_INIT_SHELL@
+# SPDX-License-Identifier: BSD-2-Clause
 # shellcheck disable=SC2154
 #
 # zfs-zed
diff --git a/etc/systemd/system-generators/zfs-mount-generator.c b/etc/systemd/system-generators/zfs-mount-generator.c
index ab5dc4d78d60..7ad9ff61d8ee 100644
--- a/etc/systemd/system-generators/zfs-mount-generator.c
+++ b/etc/systemd/system-generators/zfs-mount-generator.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
  * Copyright (c) 2017 Antonio Russo <antonio.e.russo@gmail.com>
  * Copyright (c) 2020 InsanePrawn <insane.prawny@gmail.com>
diff --git a/etc/zfs/zfs-functions.in b/etc/zfs/zfs-functions.in
index 2ff1a186188f..9ae8b40d41f6 100644
--- a/etc/zfs/zfs-functions.in
+++ b/etc/zfs/zfs-functions.in
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: BSD-2-Clause
 # This is a script with common functions etc used by zfs-import, zfs-load-key,
 # zfs-mount, zfs-share and zfs-zed.
 #
diff --git a/include/cityhash.h b/include/cityhash.h
index 346fb673a07d..61c9f8bf8773 100644
--- a/include/cityhash.h
+++ b/include/cityhash.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+//
 // Copyright (c) 2011 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
diff --git a/include/libnvpair.h b/include/libnvpair.h
index 09b224b4de5a..98a83684d564 100644
--- a/include/libnvpair.h
+++ b/include/libnvpair.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/libuutil.h b/include/libuutil.h
index 906b49ea5ca9..0ef6f4cfbadc 100644
--- a/include/libuutil.h
+++ b/include/libuutil.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/libuutil_common.h b/include/libuutil_common.h
index cdfa0c2f556f..4fb0e3c54f6e 100644
--- a/include/libuutil_common.h
+++ b/include/libuutil_common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/libuutil_impl.h b/include/libuutil_impl.h
index 58b6df579d72..92ba0e68ade4 100644
--- a/include/libuutil_impl.h
+++ b/include/libuutil_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/libzfs.h b/include/libzfs.h
index 01d51999f4eb..8774d490f74b 100644
--- a/include/libzfs.h
+++ b/include/libzfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/libzfs_core.h b/include/libzfs_core.h
index b1d74fbbc8f5..231beaa69290 100644
--- a/include/libzfs_core.h
+++ b/include/libzfs_core.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/libzfsbootenv.h b/include/libzfsbootenv.h
index cbc8751dc51b..978bf440efb3 100644
--- a/include/libzfsbootenv.h
+++ b/include/libzfsbootenv.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/include/libzutil.h b/include/libzutil.h
index bcfe2fcf7960..001ece2280f6 100644
--- a/include/libzutil.h
+++ b/include/libzutil.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/linux/compiler.h b/include/os/freebsd/linux/compiler.h
index 24f09c722158..7af4f7112b09 100644
--- a/include/os/freebsd/linux/compiler.h
+++ b/include/os/freebsd/linux/compiler.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2024 Warner Losh.
  *
diff --git a/include/os/freebsd/linux/types.h b/include/os/freebsd/linux/types.h
index d290317cc0dd..0eae1747f595 100644
--- a/include/os/freebsd/linux/types.h
+++ b/include/os/freebsd/linux/types.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2010 Isilon Systems, Inc.
  * Copyright (c) 2010 iXsystems, Inc.
diff --git a/include/os/freebsd/spl/acl/acl_common.h b/include/os/freebsd/spl/acl/acl_common.h
index 53b69154d671..d026fcb72238 100644
--- a/include/os/freebsd/spl/acl/acl_common.h
+++ b/include/os/freebsd/spl/acl/acl_common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/acl.h b/include/os/freebsd/spl/sys/acl.h
index e757a601a842..aa144b8e650e 100644
--- a/include/os/freebsd/spl/sys/acl.h
+++ b/include/os/freebsd/spl/sys/acl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/acl_impl.h b/include/os/freebsd/spl/sys/acl_impl.h
index de5961ef7740..fb3dac7ca625 100644
--- a/include/os/freebsd/spl/sys/acl_impl.h
+++ b/include/os/freebsd/spl/sys/acl_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/atomic.h b/include/os/freebsd/spl/sys/atomic.h
index 40a67704fde0..a5b5c2ed6759 100644
--- a/include/os/freebsd/spl/sys/atomic.h
+++ b/include/os/freebsd/spl/sys/atomic.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/byteorder.h b/include/os/freebsd/spl/sys/byteorder.h
index 0c09757c8e15..32044a7119bc 100644
--- a/include/os/freebsd/spl/sys/byteorder.h
+++ b/include/os/freebsd/spl/sys/byteorder.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/callb.h b/include/os/freebsd/spl/sys/callb.h
index 006a90cae8c0..7abde8b0e2b5 100644
--- a/include/os/freebsd/spl/sys/callb.h
+++ b/include/os/freebsd/spl/sys/callb.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/ccompile.h b/include/os/freebsd/spl/sys/ccompile.h
index bebeb0db2452..112f7bc32849 100644
--- a/include/os/freebsd/spl/sys/ccompile.h
+++ b/include/os/freebsd/spl/sys/ccompile.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/cmn_err.h b/include/os/freebsd/spl/sys/cmn_err.h
index 87fce4955bc1..93dd1196d977 100644
--- a/include/os/freebsd/spl/sys/cmn_err.h
+++ b/include/os/freebsd/spl/sys/cmn_err.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/condvar.h b/include/os/freebsd/spl/sys/condvar.h
index 9b1893bcb84c..f22043e325d2 100644
--- a/include/os/freebsd/spl/sys/condvar.h
+++ b/include/os/freebsd/spl/sys/condvar.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * Copyright (c) 2013 iXsystems, Inc.
diff --git a/include/os/freebsd/spl/sys/cred.h b/include/os/freebsd/spl/sys/cred.h
index 06d537126285..8c2026f4a855 100644
--- a/include/os/freebsd/spl/sys/cred.h
+++ b/include/os/freebsd/spl/sys/cred.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/ctype.h b/include/os/freebsd/spl/sys/ctype.h
index b9ca0f8ef2c4..f13f69690755 100644
--- a/include/os/freebsd/spl/sys/ctype.h
+++ b/include/os/freebsd/spl/sys/ctype.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/debug.h b/include/os/freebsd/spl/sys/debug.h
index fd22e6b001dc..c1a7cfdeca51 100644
--- a/include/os/freebsd/spl/sys/debug.h
+++ b/include/os/freebsd/spl/sys/debug.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/dirent.h b/include/os/freebsd/spl/sys/dirent.h
index 2403766a427d..845683173273 100644
--- a/include/os/freebsd/spl/sys/dirent.h
+++ b/include/os/freebsd/spl/sys/dirent.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/disp.h b/include/os/freebsd/spl/sys/disp.h
index d46a7d2c0143..a63541f57832 100644
--- a/include/os/freebsd/spl/sys/disp.h
+++ b/include/os/freebsd/spl/sys/disp.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2013 Andriy Gapon
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/fcntl.h b/include/os/freebsd/spl/sys/fcntl.h
index 4301d6e151de..8e3d8d87050f 100644
--- a/include/os/freebsd/spl/sys/fcntl.h
+++ b/include/os/freebsd/spl/sys/fcntl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2021 iXsystems, Inc.
  *
diff --git a/include/os/freebsd/spl/sys/file.h b/include/os/freebsd/spl/sys/file.h
index 51e59b1133c8..084261b46bc4 100644
--- a/include/os/freebsd/spl/sys/file.h
+++ b/include/os/freebsd/spl/sys/file.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/freebsd_rwlock.h b/include/os/freebsd/spl/sys/freebsd_rwlock.h
index b760f8cf23d4..8458ac905d34 100644
--- a/include/os/freebsd/spl/sys/freebsd_rwlock.h
+++ b/include/os/freebsd/spl/sys/freebsd_rwlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2013 EMC Corp.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/ia32/asm_linkage.h b/include/os/freebsd/spl/sys/ia32/asm_linkage.h
index d1f53cf22f41..62934965f7f6 100644
--- a/include/os/freebsd/spl/sys/ia32/asm_linkage.h
+++ b/include/os/freebsd/spl/sys/ia32/asm_linkage.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/idmap.h b/include/os/freebsd/spl/sys/idmap.h
index bd2383794f18..af47ecf33297 100644
--- a/include/os/freebsd/spl/sys/idmap.h
+++ b/include/os/freebsd/spl/sys/idmap.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/isa_defs.h b/include/os/freebsd/spl/sys/isa_defs.h
index 9eba593fa797..8783606dd9a5 100644
--- a/include/os/freebsd/spl/sys/isa_defs.h
+++ b/include/os/freebsd/spl/sys/isa_defs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/kmem.h b/include/os/freebsd/spl/sys/kmem.h
index ae786f0e20ca..a9619d7d0219 100644
--- a/include/os/freebsd/spl/sys/kmem.h
+++ b/include/os/freebsd/spl/sys/kmem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/kmem_cache.h b/include/os/freebsd/spl/sys/kmem_cache.h
index 9eec3b4585cb..d55d5161941e 100644
--- a/include/os/freebsd/spl/sys/kmem_cache.h
+++ b/include/os/freebsd/spl/sys/kmem_cache.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/kstat.h b/include/os/freebsd/spl/sys/kstat.h
index 7dc2c4753b02..c8e12bc87472 100644
--- a/include/os/freebsd/spl/sys/kstat.h
+++ b/include/os/freebsd/spl/sys/kstat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/freebsd/spl/sys/list.h b/include/os/freebsd/spl/sys/list.h
index 6c32402a7bd1..cbbda85dabb5 100644
--- a/include/os/freebsd/spl/sys/list.h
+++ b/include/os/freebsd/spl/sys/list.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/list_impl.h b/include/os/freebsd/spl/sys/list_impl.h
index 06a5c6d1dbc6..50db5cc50da1 100644
--- a/include/os/freebsd/spl/sys/list_impl.h
+++ b/include/os/freebsd/spl/sys/list_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/lock.h b/include/os/freebsd/spl/sys/lock.h
index 7d5dc26abc74..306938c0c3ab 100644
--- a/include/os/freebsd/spl/sys/lock.h
+++ b/include/os/freebsd/spl/sys/lock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/misc.h b/include/os/freebsd/spl/sys/misc.h
index 894ccd8bf9b1..091ebe772810 100644
--- a/include/os/freebsd/spl/sys/misc.h
+++ b/include/os/freebsd/spl/sys/misc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/mod_os.h b/include/os/freebsd/spl/sys/mod_os.h
index 1479242de53b..4214189c32df 100644
--- a/include/os/freebsd/spl/sys/mod_os.h
+++ b/include/os/freebsd/spl/sys/mod_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/mount.h b/include/os/freebsd/spl/sys/mount.h
index 42614e4739f1..55c95c185452 100644
--- a/include/os/freebsd/spl/sys/mount.h
+++ b/include/os/freebsd/spl/sys/mount.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/mutex.h b/include/os/freebsd/spl/sys/mutex.h
index bbff9fe80389..546a4681a291 100644
--- a/include/os/freebsd/spl/sys/mutex.h
+++ b/include/os/freebsd/spl/sys/mutex.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/param.h b/include/os/freebsd/spl/sys/param.h
index 96440dce03bb..a1b5504f7462 100644
--- a/include/os/freebsd/spl/sys/param.h
+++ b/include/os/freebsd/spl/sys/param.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (C) 2007 John Birrell <jb@freebsd.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/policy.h b/include/os/freebsd/spl/sys/policy.h
index 32c10bdca90e..639ade831c28 100644
--- a/include/os/freebsd/spl/sys/policy.h
+++ b/include/os/freebsd/spl/sys/policy.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/proc.h b/include/os/freebsd/spl/sys/proc.h
index 96ba10e5679e..a03b815a22a6 100644
--- a/include/os/freebsd/spl/sys/proc.h
+++ b/include/os/freebsd/spl/sys/proc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/processor.h b/include/os/freebsd/spl/sys/processor.h
index 40464e53d5c4..07e010bc6895 100644
--- a/include/os/freebsd/spl/sys/processor.h
+++ b/include/os/freebsd/spl/sys/processor.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/procfs_list.h b/include/os/freebsd/spl/sys/procfs_list.h
index 4e98675053d2..4c4302ac0192 100644
--- a/include/os/freebsd/spl/sys/procfs_list.h
+++ b/include/os/freebsd/spl/sys/procfs_list.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/random.h b/include/os/freebsd/spl/sys/random.h
index 146fa9e5d133..4674bde7e035 100644
--- a/include/os/freebsd/spl/sys/random.h
+++ b/include/os/freebsd/spl/sys/random.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/rwlock.h b/include/os/freebsd/spl/sys/rwlock.h
index 5146870790cd..11393dbdca06 100644
--- a/include/os/freebsd/spl/sys/rwlock.h
+++ b/include/os/freebsd/spl/sys/rwlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/sdt.h b/include/os/freebsd/spl/sys/sdt.h
index aa3688718ae7..ef1dad6c14c9 100644
--- a/include/os/freebsd/spl/sys/sdt.h
+++ b/include/os/freebsd/spl/sys/sdt.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/sid.h b/include/os/freebsd/spl/sys/sid.h
index f249d05d55a0..12afed312b5a 100644
--- a/include/os/freebsd/spl/sys/sid.h
+++ b/include/os/freebsd/spl/sys/sid.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/sig.h b/include/os/freebsd/spl/sys/sig.h
index 17fc65cbe3e2..1eb4ffb9e88c 100644
--- a/include/os/freebsd/spl/sys/sig.h
+++ b/include/os/freebsd/spl/sys/sig.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2008 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/simd.h b/include/os/freebsd/spl/sys/simd.h
index d16e1db5e826..051fd8a27d24 100644
--- a/include/os/freebsd/spl/sys/simd.h
+++ b/include/os/freebsd/spl/sys/simd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/simd_aarch64.h b/include/os/freebsd/spl/sys/simd_aarch64.h
index 234f401db791..9df0f6817433 100644
--- a/include/os/freebsd/spl/sys/simd_aarch64.h
+++ b/include/os/freebsd/spl/sys/simd_aarch64.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (C) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/simd_arm.h b/include/os/freebsd/spl/sys/simd_arm.h
index 178fbc3b3c6e..19baefd48720 100644
--- a/include/os/freebsd/spl/sys/simd_arm.h
+++ b/include/os/freebsd/spl/sys/simd_arm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (C) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/simd_powerpc.h b/include/os/freebsd/spl/sys/simd_powerpc.h
index cf3c712c6af2..7e7abd992ee3 100644
--- a/include/os/freebsd/spl/sys/simd_powerpc.h
+++ b/include/os/freebsd/spl/sys/simd_powerpc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (C) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/simd_x86.h b/include/os/freebsd/spl/sys/simd_x86.h
index 8e93b558dfe8..c562fb0171d0 100644
--- a/include/os/freebsd/spl/sys/simd_x86.h
+++ b/include/os/freebsd/spl/sys/simd_x86.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/string.h b/include/os/freebsd/spl/sys/string.h
index 859b40285a94..836eea191c17 100644
--- a/include/os/freebsd/spl/sys/string.h
+++ b/include/os/freebsd/spl/sys/string.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/sunddi.h b/include/os/freebsd/spl/sys/sunddi.h
index 28d40121d92e..55fc35e3ecbe 100644
--- a/include/os/freebsd/spl/sys/sunddi.h
+++ b/include/os/freebsd/spl/sys/sunddi.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/freebsd/spl/sys/sysmacros.h b/include/os/freebsd/spl/sys/sysmacros.h
index 2c9f4438d769..93c98ef03afd 100644
--- a/include/os/freebsd/spl/sys/sysmacros.h
+++ b/include/os/freebsd/spl/sys/sysmacros.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/systeminfo.h b/include/os/freebsd/spl/sys/systeminfo.h
index 4028cd7cc6fd..690461cb2d24 100644
--- a/include/os/freebsd/spl/sys/systeminfo.h
+++ b/include/os/freebsd/spl/sys/systeminfo.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/systm.h b/include/os/freebsd/spl/sys/systm.h
index 98ee9557527c..ec58ee0a907c 100644
--- a/include/os/freebsd/spl/sys/systm.h
+++ b/include/os/freebsd/spl/sys/systm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/taskq.h b/include/os/freebsd/spl/sys/taskq.h
index fa6ff84a0134..40f1a8ec2c57 100644
--- a/include/os/freebsd/spl/sys/taskq.h
+++ b/include/os/freebsd/spl/sys/taskq.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/thread.h b/include/os/freebsd/spl/sys/thread.h
index 4fb1a542f55f..4e2dedd8bf5a 100644
--- a/include/os/freebsd/spl/sys/thread.h
+++ b/include/os/freebsd/spl/sys/thread.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/time.h b/include/os/freebsd/spl/sys/time.h
index 47d64c34756a..2f5fe4619ef7 100644
--- a/include/os/freebsd/spl/sys/time.h
+++ b/include/os/freebsd/spl/sys/time.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/timer.h b/include/os/freebsd/spl/sys/timer.h
index 7ff77e9b1b74..3c5a5ee1bd73 100644
--- a/include/os/freebsd/spl/sys/timer.h
+++ b/include/os/freebsd/spl/sys/timer.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/types.h b/include/os/freebsd/spl/sys/types.h
index ebc93f4f4485..5d0a48199f1d 100644
--- a/include/os/freebsd/spl/sys/types.h
+++ b/include/os/freebsd/spl/sys/types.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/types32.h b/include/os/freebsd/spl/sys/types32.h
index 907b667e5d80..5b7131923460 100644
--- a/include/os/freebsd/spl/sys/types32.h
+++ b/include/os/freebsd/spl/sys/types32.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/uio.h b/include/os/freebsd/spl/sys/uio.h
index 2bd5bdb80d98..528de695525a 100644
--- a/include/os/freebsd/spl/sys/uio.h
+++ b/include/os/freebsd/spl/sys/uio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/uuid.h b/include/os/freebsd/spl/sys/uuid.h
index 9e76d07b8014..218e24740a5c 100644
--- a/include/os/freebsd/spl/sys/uuid.h
+++ b/include/os/freebsd/spl/sys/uuid.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/vfs.h b/include/os/freebsd/spl/sys/vfs.h
index f2196da56bc8..ce2617160a67 100644
--- a/include/os/freebsd/spl/sys/vfs.h
+++ b/include/os/freebsd/spl/sys/vfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/vm.h b/include/os/freebsd/spl/sys/vm.h
index 07ee6bc191a7..454078f0fe79 100644
--- a/include/os/freebsd/spl/sys/vm.h
+++ b/include/os/freebsd/spl/sys/vm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2013 EMC Corp.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/vmsystm.h b/include/os/freebsd/spl/sys/vmsystm.h
index 0db34bbe438b..634ee36950a2 100644
--- a/include/os/freebsd/spl/sys/vmsystm.h
+++ b/include/os/freebsd/spl/sys/vmsystm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/vnode.h b/include/os/freebsd/spl/sys/vnode.h
index b9d3e81d0812..ae9c766e3207 100644
--- a/include/os/freebsd/spl/sys/vnode.h
+++ b/include/os/freebsd/spl/sys/vnode.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/spl/sys/vnode_impl.h b/include/os/freebsd/spl/sys/vnode_impl.h
index 4e04b5e80a06..0df3378c23e7 100644
--- a/include/os/freebsd/spl/sys/vnode_impl.h
+++ b/include/os/freebsd/spl/sys/vnode_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/wmsum.h b/include/os/freebsd/spl/sys/wmsum.h
index 9fdd1901b7ee..1718f20be652 100644
--- a/include/os/freebsd/spl/sys/wmsum.h
+++ b/include/os/freebsd/spl/sys/wmsum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/zmod.h b/include/os/freebsd/spl/sys/zmod.h
index 6e26a568bd44..bf29ddf28418 100644
--- a/include/os/freebsd/spl/sys/zmod.h
+++ b/include/os/freebsd/spl/sys/zmod.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/spl/sys/zone.h b/include/os/freebsd/spl/sys/zone.h
index dd088de836d3..cfe63946706b 100644
--- a/include/os/freebsd/spl/sys/zone.h
+++ b/include/os/freebsd/spl/sys/zone.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/include/os/freebsd/zfs/sys/abd_impl_os.h b/include/os/freebsd/zfs/sys/abd_impl_os.h
index 309e77110d3c..45c7c47b635f 100644
--- a/include/os/freebsd/zfs/sys/abd_impl_os.h
+++ b/include/os/freebsd/zfs/sys/abd_impl_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/zfs/sys/abd_os.h b/include/os/freebsd/zfs/sys/abd_os.h
index 401c8452d6b8..0d25c9b1c6ca 100644
--- a/include/os/freebsd/zfs/sys/abd_os.h
+++ b/include/os/freebsd/zfs/sys/abd_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/zfs/sys/freebsd_crypto.h b/include/os/freebsd/zfs/sys/freebsd_crypto.h
index a61a6cd88c13..e7bc339eba55 100644
--- a/include/os/freebsd/zfs/sys/freebsd_crypto.h
+++ b/include/os/freebsd/zfs/sys/freebsd_crypto.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2018 Sean Eric Fagan <sef@ixsystems.com>
  * Portions Copyright (c) 2005-2011 Pawel Jakub Dawidek <pawel@dawidek.net>
diff --git a/include/os/freebsd/zfs/sys/vdev_os.h b/include/os/freebsd/zfs/sys/vdev_os.h
index ef1b01743b61..a826f85bf198 100644
--- a/include/os/freebsd/zfs/sys/vdev_os.h
+++ b/include/os/freebsd/zfs/sys/vdev_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/zfs/sys/zfs_bootenv_os.h b/include/os/freebsd/zfs/sys/zfs_bootenv_os.h
index 80c71a6c506d..eaa07328a846 100644
--- a/include/os/freebsd/zfs/sys/zfs_bootenv_os.h
+++ b/include/os/freebsd/zfs/sys/zfs_bootenv_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/include/os/freebsd/zfs/sys/zfs_context_os.h b/include/os/freebsd/zfs/sys/zfs_context_os.h
index 457fa3af8142..ce7cfd479466 100644
--- a/include/os/freebsd/zfs/sys/zfs_context_os.h
+++ b/include/os/freebsd/zfs/sys/zfs_context_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/zfs/sys/zfs_ctldir.h b/include/os/freebsd/zfs/sys/zfs_ctldir.h
index f0a98a7def8d..10399a100b77 100644
--- a/include/os/freebsd/zfs/sys/zfs_ctldir.h
+++ b/include/os/freebsd/zfs/sys/zfs_ctldir.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/zfs/sys/zfs_dir.h b/include/os/freebsd/zfs/sys/zfs_dir.h
index 1980b646e38b..c3e92a1129ba 100644
--- a/include/os/freebsd/zfs/sys/zfs_dir.h
+++ b/include/os/freebsd/zfs/sys/zfs_dir.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/zfs/sys/zfs_ioctl_compat.h b/include/os/freebsd/zfs/sys/zfs_ioctl_compat.h
index 34757a486028..6c5c06548dba 100644
--- a/include/os/freebsd/zfs/sys/zfs_ioctl_compat.h
+++ b/include/os/freebsd/zfs/sys/zfs_ioctl_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/zfs/sys/zfs_vfsops_os.h b/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
index b7cbdc736d21..289b64759382 100644
--- a/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
+++ b/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/freebsd/zfs/sys/zfs_vnops_os.h b/include/os/freebsd/zfs/sys/zfs_vnops_os.h
index eddcab575b91..e27c6527e2b6 100644
--- a/include/os/freebsd/zfs/sys/zfs_vnops_os.h
+++ b/include/os/freebsd/zfs/sys/zfs_vnops_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/freebsd/zfs/sys/zfs_znode_impl.h b/include/os/freebsd/zfs/sys/zfs_znode_impl.h
index 3727dca0f8d7..b292818750d9 100644
--- a/include/os/freebsd/zfs/sys/zfs_znode_impl.h
+++ b/include/os/freebsd/zfs/sys/zfs_znode_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/blkdev_compat.h b/include/os/linux/kernel/linux/blkdev_compat.h
index d96708c600ac..b8d78e51fcc8 100644
--- a/include/os/linux/kernel/linux/blkdev_compat.h
+++ b/include/os/linux/kernel/linux/blkdev_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/compiler_compat.h b/include/os/linux/kernel/linux/compiler_compat.h
index 98f7d7608043..2e89adf1d229 100644
--- a/include/os/linux/kernel/linux/compiler_compat.h
+++ b/include/os/linux/kernel/linux/compiler_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/dcache_compat.h b/include/os/linux/kernel/linux/dcache_compat.h
index de533a5fd28b..16e8a319a5f8 100644
--- a/include/os/linux/kernel/linux/dcache_compat.h
+++ b/include/os/linux/kernel/linux/dcache_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/kmap_compat.h b/include/os/linux/kernel/linux/kmap_compat.h
index 8f9ddca2211b..fc8a8c7974a8 100644
--- a/include/os/linux/kernel/linux/kmap_compat.h
+++ b/include/os/linux/kernel/linux/kmap_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/mm_compat.h b/include/os/linux/kernel/linux/mm_compat.h
index 4cdc0e099994..dc0b7eb513ed 100644
--- a/include/os/linux/kernel/linux/mm_compat.h
+++ b/include/os/linux/kernel/linux/mm_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/mod_compat.h b/include/os/linux/kernel/linux/mod_compat.h
index 039865b703ef..110cdfa259be 100644
--- a/include/os/linux/kernel/linux/mod_compat.h
+++ b/include/os/linux/kernel/linux/mod_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/simd.h b/include/os/linux/kernel/linux/simd.h
index e7d7a4f2255e..e0d8c2e4b30f 100644
--- a/include/os/linux/kernel/linux/simd.h
+++ b/include/os/linux/kernel/linux/simd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/simd_aarch64.h b/include/os/linux/kernel/linux/simd_aarch64.h
index e580fbe23ea5..394ba129dc91 100644
--- a/include/os/linux/kernel/linux/simd_aarch64.h
+++ b/include/os/linux/kernel/linux/simd_aarch64.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/simd_arm.h b/include/os/linux/kernel/linux/simd_arm.h
index bc70eaef3073..c06588b5dced 100644
--- a/include/os/linux/kernel/linux/simd_arm.h
+++ b/include/os/linux/kernel/linux/simd_arm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/simd_powerpc.h b/include/os/linux/kernel/linux/simd_powerpc.h
index d9ccacee1ab9..80e85254d4ef 100644
--- a/include/os/linux/kernel/linux/simd_powerpc.h
+++ b/include/os/linux/kernel/linux/simd_powerpc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/simd_x86.h b/include/os/linux/kernel/linux/simd_x86.h
index 699b8a571824..cd245a5f0135 100644
--- a/include/os/linux/kernel/linux/simd_x86.h
+++ b/include/os/linux/kernel/linux/simd_x86.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/utsname_compat.h b/include/os/linux/kernel/linux/utsname_compat.h
index 4a027bde8788..0a03b108c489 100644
--- a/include/os/linux/kernel/linux/utsname_compat.h
+++ b/include/os/linux/kernel/linux/utsname_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/vfs_compat.h b/include/os/linux/kernel/linux/vfs_compat.h
index 3ed456dbf4c8..cbf14e28371f 100644
--- a/include/os/linux/kernel/linux/vfs_compat.h
+++ b/include/os/linux/kernel/linux/vfs_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/kernel/linux/xattr_compat.h b/include/os/linux/kernel/linux/xattr_compat.h
index f7e62da62007..f2f7e1ed017f 100644
--- a/include/os/linux/kernel/linux/xattr_compat.h
+++ b/include/os/linux/kernel/linux/xattr_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/rpc/types.h b/include/os/linux/spl/rpc/types.h
index 5bbb4f2dec46..1e51b123aea7 100644
--- a/include/os/linux/spl/rpc/types.h
+++ b/include/os/linux/spl/rpc/types.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (c) 2008 Sun Microsystems, Inc.
  *  Written by Ricardo Correia <Ricardo.M.Correia@Sun.COM>
diff --git a/include/os/linux/spl/rpc/xdr.h b/include/os/linux/spl/rpc/xdr.h
index 5b621fa9c863..3522609fd0ea 100644
--- a/include/os/linux/spl/rpc/xdr.h
+++ b/include/os/linux/spl/rpc/xdr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (c) 2008 Sun Microsystems, Inc.
  *  Written by Ricardo Correia <Ricardo.M.Correia@Sun.COM>
diff --git a/include/os/linux/spl/sys/acl.h b/include/os/linux/spl/sys/acl.h
index 5cd7a56b86ec..05edc3768bda 100644
--- a/include/os/linux/spl/sys/acl.h
+++ b/include/os/linux/spl/sys/acl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/atomic.h b/include/os/linux/spl/sys/atomic.h
index 8f7fa5aeda11..b2a39d7d6cbf 100644
--- a/include/os/linux/spl/sys/atomic.h
+++ b/include/os/linux/spl/sys/atomic.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/byteorder.h b/include/os/linux/spl/sys/byteorder.h
index e9406b4c0b86..ea33287f34cd 100644
--- a/include/os/linux/spl/sys/byteorder.h
+++ b/include/os/linux/spl/sys/byteorder.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/callb.h b/include/os/linux/spl/sys/callb.h
index 19ba41ff9e25..fb190b484dfc 100644
--- a/include/os/linux/spl/sys/callb.h
+++ b/include/os/linux/spl/sys/callb.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/callo.h b/include/os/linux/spl/sys/callo.h
index e93a15f7a0d4..f10bba0d5fb0 100644
--- a/include/os/linux/spl/sys/callo.h
+++ b/include/os/linux/spl/sys/callo.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
diff --git a/include/os/linux/spl/sys/cmn_err.h b/include/os/linux/spl/sys/cmn_err.h
index bd407559ccd6..4955bbb3e0c8 100644
--- a/include/os/linux/spl/sys/cmn_err.h
+++ b/include/os/linux/spl/sys/cmn_err.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/condvar.h b/include/os/linux/spl/sys/condvar.h
index cb94ae89c866..18b29850472e 100644
--- a/include/os/linux/spl/sys/condvar.h
+++ b/include/os/linux/spl/sys/condvar.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/cred.h b/include/os/linux/spl/sys/cred.h
index 1c5120c24371..cd0fe96c8110 100644
--- a/include/os/linux/spl/sys/cred.h
+++ b/include/os/linux/spl/sys/cred.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/ctype.h b/include/os/linux/spl/sys/ctype.h
index 351320600472..dea4af09cb38 100644
--- a/include/os/linux/spl/sys/ctype.h
+++ b/include/os/linux/spl/sys/ctype.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/debug.h b/include/os/linux/spl/sys/debug.h
index 3459d6979fe8..700cc85b60b6 100644
--- a/include/os/linux/spl/sys/debug.h
+++ b/include/os/linux/spl/sys/debug.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/include/os/linux/spl/sys/disp.h b/include/os/linux/spl/sys/disp.h
index c8be6ffbf10f..e2d4084018f9 100644
--- a/include/os/linux/spl/sys/disp.h
+++ b/include/os/linux/spl/sys/disp.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/errno.h b/include/os/linux/spl/sys/errno.h
index 347b879a50c1..9f12ef2a09d4 100644
--- a/include/os/linux/spl/sys/errno.h
+++ b/include/os/linux/spl/sys/errno.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/fcntl.h b/include/os/linux/spl/sys/fcntl.h
index a87fdcac7fce..24023bc857b6 100644
--- a/include/os/linux/spl/sys/fcntl.h
+++ b/include/os/linux/spl/sys/fcntl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2010 Lawrence Livermore National Security, LLC.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
diff --git a/include/os/linux/spl/sys/file.h b/include/os/linux/spl/sys/file.h
index 38d19d8c68b0..93c9300928eb 100644
--- a/include/os/linux/spl/sys/file.h
+++ b/include/os/linux/spl/sys/file.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/ia32/asm_linkage.h b/include/os/linux/spl/sys/ia32/asm_linkage.h
index 3aaa4af5dab8..b42b8461da0f 100644
--- a/include/os/linux/spl/sys/ia32/asm_linkage.h
+++ b/include/os/linux/spl/sys/ia32/asm_linkage.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/inttypes.h b/include/os/linux/spl/sys/inttypes.h
index c99973abd19e..0c81724694e5 100644
--- a/include/os/linux/spl/sys/inttypes.h
+++ b/include/os/linux/spl/sys/inttypes.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/isa_defs.h b/include/os/linux/spl/sys/isa_defs.h
index 7c95c94c1cf1..82b45fbaee4d 100644
--- a/include/os/linux/spl/sys/isa_defs.h
+++ b/include/os/linux/spl/sys/isa_defs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/kmem.h b/include/os/linux/spl/sys/kmem.h
index 8a203f7bb8e2..995236117dd4 100644
--- a/include/os/linux/spl/sys/kmem.h
+++ b/include/os/linux/spl/sys/kmem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/kmem_cache.h b/include/os/linux/spl/sys/kmem_cache.h
index 71048db4ec5a..ca84a92999b9 100644
--- a/include/os/linux/spl/sys/kmem_cache.h
+++ b/include/os/linux/spl/sys/kmem_cache.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/kstat.h b/include/os/linux/spl/sys/kstat.h
index 305c411ddfa0..a9e9f1880649 100644
--- a/include/os/linux/spl/sys/kstat.h
+++ b/include/os/linux/spl/sys/kstat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/list.h b/include/os/linux/spl/sys/list.h
index 046a75e19353..ebde0b076c07 100644
--- a/include/os/linux/spl/sys/list.h
+++ b/include/os/linux/spl/sys/list.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/misc.h b/include/os/linux/spl/sys/misc.h
index 299fe9c1ab07..0b44786f8a6e 100644
--- a/include/os/linux/spl/sys/misc.h
+++ b/include/os/linux/spl/sys/misc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/mod_os.h b/include/os/linux/spl/sys/mod_os.h
index bb43313d1869..eaeb9255039e 100644
--- a/include/os/linux/spl/sys/mod_os.h
+++ b/include/os/linux/spl/sys/mod_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/mutex.h b/include/os/linux/spl/sys/mutex.h
index b4eaa0266d20..f000f53ab9b6 100644
--- a/include/os/linux/spl/sys/mutex.h
+++ b/include/os/linux/spl/sys/mutex.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/param.h b/include/os/linux/spl/sys/param.h
index d8a12d532136..d0628cd3a4d3 100644
--- a/include/os/linux/spl/sys/param.h
+++ b/include/os/linux/spl/sys/param.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/proc.h b/include/os/linux/spl/sys/proc.h
index fe4841407da8..b57f57567e3b 100644
--- a/include/os/linux/spl/sys/proc.h
+++ b/include/os/linux/spl/sys/proc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/processor.h b/include/os/linux/spl/sys/processor.h
index 5514f07c0b44..24c510ad38be 100644
--- a/include/os/linux/spl/sys/processor.h
+++ b/include/os/linux/spl/sys/processor.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/procfs_list.h b/include/os/linux/spl/sys/procfs_list.h
index 959d9444e63d..8213d26f3b10 100644
--- a/include/os/linux/spl/sys/procfs_list.h
+++ b/include/os/linux/spl/sys/procfs_list.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/random.h b/include/os/linux/spl/sys/random.h
index 52e97e1ce068..08eb805350e0 100644
--- a/include/os/linux/spl/sys/random.h
+++ b/include/os/linux/spl/sys/random.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/rwlock.h b/include/os/linux/spl/sys/rwlock.h
index c04b6ca484f6..563e0a19663d 100644
--- a/include/os/linux/spl/sys/rwlock.h
+++ b/include/os/linux/spl/sys/rwlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/shrinker.h b/include/os/linux/spl/sys/shrinker.h
index bca4c850694a..6f67c52f5857 100644
--- a/include/os/linux/spl/sys/shrinker.h
+++ b/include/os/linux/spl/sys/shrinker.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/sid.h b/include/os/linux/spl/sys/sid.h
index 3cf27111b6d0..6258f0fd3f4e 100644
--- a/include/os/linux/spl/sys/sid.h
+++ b/include/os/linux/spl/sys/sid.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/signal.h b/include/os/linux/spl/sys/signal.h
index 473a1be14c34..e4b8e8e18cbd 100644
--- a/include/os/linux/spl/sys/signal.h
+++ b/include/os/linux/spl/sys/signal.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/simd.h b/include/os/linux/spl/sys/simd.h
index 6fb84d3a52c0..35061f189464 100644
--- a/include/os/linux/spl/sys/simd.h
+++ b/include/os/linux/spl/sys/simd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/stat.h b/include/os/linux/spl/sys/stat.h
index 5987849641fc..087389b57b34 100644
--- a/include/os/linux/spl/sys/stat.h
+++ b/include/os/linux/spl/sys/stat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/string.h b/include/os/linux/spl/sys/string.h
index 20bde1f0898a..59a0dc31d0e4 100644
--- a/include/os/linux/spl/sys/string.h
+++ b/include/os/linux/spl/sys/string.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
diff --git a/include/os/linux/spl/sys/sunddi.h b/include/os/linux/spl/sys/sunddi.h
index df6a204d5cf9..32dcaa8f1f61 100644
--- a/include/os/linux/spl/sys/sunddi.h
+++ b/include/os/linux/spl/sys/sunddi.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/sysmacros.h b/include/os/linux/spl/sys/sysmacros.h
index 0e8390736309..e932ea72f1be 100644
--- a/include/os/linux/spl/sys/sysmacros.h
+++ b/include/os/linux/spl/sys/sysmacros.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/systeminfo.h b/include/os/linux/spl/sys/systeminfo.h
index d4037a0900d0..8c964fc16acd 100644
--- a/include/os/linux/spl/sys/systeminfo.h
+++ b/include/os/linux/spl/sys/systeminfo.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/taskq.h b/include/os/linux/spl/sys/taskq.h
index 4cb3a055c3c4..c9b2bc994c8c 100644
--- a/include/os/linux/spl/sys/taskq.h
+++ b/include/os/linux/spl/sys/taskq.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/thread.h b/include/os/linux/spl/sys/thread.h
index c7ef7efa0a25..5f643d06245d 100644
--- a/include/os/linux/spl/sys/thread.h
+++ b/include/os/linux/spl/sys/thread.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/time.h b/include/os/linux/spl/sys/time.h
index 036948d87aae..33b273b53996 100644
--- a/include/os/linux/spl/sys/time.h
+++ b/include/os/linux/spl/sys/time.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/timer.h b/include/os/linux/spl/sys/timer.h
index 61a1fa6aeffb..f16f99a8e953 100644
--- a/include/os/linux/spl/sys/timer.h
+++ b/include/os/linux/spl/sys/timer.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/trace.h b/include/os/linux/spl/sys/trace.h
index 21ac0e4f84de..d6853a89c3c8 100644
--- a/include/os/linux/spl/sys/trace.h
+++ b/include/os/linux/spl/sys/trace.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/trace_spl.h b/include/os/linux/spl/sys/trace_spl.h
index 6f0f7b271d56..ccdb1f86e652 100644
--- a/include/os/linux/spl/sys/trace_spl.h
+++ b/include/os/linux/spl/sys/trace_spl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/trace_taskq.h b/include/os/linux/spl/sys/trace_taskq.h
index 0e25e642f279..7d1d64927163 100644
--- a/include/os/linux/spl/sys/trace_taskq.h
+++ b/include/os/linux/spl/sys/trace_taskq.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/tsd.h b/include/os/linux/spl/sys/tsd.h
index 8cdb9e4ffe93..8358da684261 100644
--- a/include/os/linux/spl/sys/tsd.h
+++ b/include/os/linux/spl/sys/tsd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2010 Lawrence Livermore National Security, LLC.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
diff --git a/include/os/linux/spl/sys/types.h b/include/os/linux/spl/sys/types.h
index d3aefb18449d..f0133394ed0b 100644
--- a/include/os/linux/spl/sys/types.h
+++ b/include/os/linux/spl/sys/types.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/types32.h b/include/os/linux/spl/sys/types32.h
index cb62c75e5a7a..c83813623170 100644
--- a/include/os/linux/spl/sys/types32.h
+++ b/include/os/linux/spl/sys/types32.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/uio.h b/include/os/linux/spl/sys/uio.h
index fcb4a464c9e4..f66da5d5af57 100644
--- a/include/os/linux/spl/sys/uio.h
+++ b/include/os/linux/spl/sys/uio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/user.h b/include/os/linux/spl/sys/user.h
index 13a2edf5f6c7..8d048b368b32 100644
--- a/include/os/linux/spl/sys/user.h
+++ b/include/os/linux/spl/sys/user.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2015 Cluster Inc.
  *  Produced at ClusterHQ Inc (cf, DISCLAIMER).
diff --git a/include/os/linux/spl/sys/vfs.h b/include/os/linux/spl/sys/vfs.h
index 488f1827ec34..b8dc1fc05456 100644
--- a/include/os/linux/spl/sys/vfs.h
+++ b/include/os/linux/spl/sys/vfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/vmem.h b/include/os/linux/spl/sys/vmem.h
index 92585a17e263..c96a65bad39a 100644
--- a/include/os/linux/spl/sys/vmem.h
+++ b/include/os/linux/spl/sys/vmem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/vmsystm.h b/include/os/linux/spl/sys/vmsystm.h
index c6d99fb3183d..1404a20b52cf 100644
--- a/include/os/linux/spl/sys/vmsystm.h
+++ b/include/os/linux/spl/sys/vmsystm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/vnode.h b/include/os/linux/spl/sys/vnode.h
index 64c270650225..c48c4a9c0912 100644
--- a/include/os/linux/spl/sys/vnode.h
+++ b/include/os/linux/spl/sys/vnode.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/wait.h b/include/os/linux/spl/sys/wait.h
index 78ec62b08155..97a75fdf46ad 100644
--- a/include/os/linux/spl/sys/wait.h
+++ b/include/os/linux/spl/sys/wait.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2014 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/wmsum.h b/include/os/linux/spl/sys/wmsum.h
index 1c87f56e13ac..5e35c976b786 100644
--- a/include/os/linux/spl/sys/wmsum.h
+++ b/include/os/linux/spl/sys/wmsum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/spl/sys/zmod.h b/include/os/linux/spl/sys/zmod.h
index 8d27b62f4712..db60e4d4cdd0 100644
--- a/include/os/linux/spl/sys/zmod.h
+++ b/include/os/linux/spl/sys/zmod.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/spl/sys/zone.h b/include/os/linux/spl/sys/zone.h
index 5978a6285fa1..4e75202fbdde 100644
--- a/include/os/linux/spl/sys/zone.h
+++ b/include/os/linux/spl/sys/zone.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/os/linux/zfs/sys/abd_impl_os.h b/include/os/linux/zfs/sys/abd_impl_os.h
index 8192522cd229..ce484e1313ed 100644
--- a/include/os/linux/zfs/sys/abd_impl_os.h
+++ b/include/os/linux/zfs/sys/abd_impl_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/abd_os.h b/include/os/linux/zfs/sys/abd_os.h
index 3eed968e90c0..8c4d5b7e1073 100644
--- a/include/os/linux/zfs/sys/abd_os.h
+++ b/include/os/linux/zfs/sys/abd_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/policy.h b/include/os/linux/zfs/sys/policy.h
index 0c265db78591..77d0cdef5d2f 100644
--- a/include/os/linux/zfs/sys/policy.h
+++ b/include/os/linux/zfs/sys/policy.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_acl.h b/include/os/linux/zfs/sys/trace_acl.h
index 15dc77edafac..8923657daf02 100644
--- a/include/os/linux/zfs/sys/trace_acl.h
+++ b/include/os/linux/zfs/sys/trace_acl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_arc.h b/include/os/linux/zfs/sys/trace_arc.h
index f749223daa72..39d75fbc4426 100644
--- a/include/os/linux/zfs/sys/trace_arc.h
+++ b/include/os/linux/zfs/sys/trace_arc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_common.h b/include/os/linux/zfs/sys/trace_common.h
index 6ffa57c86418..85cf8cc20b09 100644
--- a/include/os/linux/zfs/sys/trace_common.h
+++ b/include/os/linux/zfs/sys/trace_common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_dbgmsg.h b/include/os/linux/zfs/sys/trace_dbgmsg.h
index 58081d64cf40..63ebe1adc652 100644
--- a/include/os/linux/zfs/sys/trace_dbgmsg.h
+++ b/include/os/linux/zfs/sys/trace_dbgmsg.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_dbuf.h b/include/os/linux/zfs/sys/trace_dbuf.h
index b61807744d5c..a7891200c933 100644
--- a/include/os/linux/zfs/sys/trace_dbuf.h
+++ b/include/os/linux/zfs/sys/trace_dbuf.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_dmu.h b/include/os/linux/zfs/sys/trace_dmu.h
index b031d4a2c901..8241daf52154 100644
--- a/include/os/linux/zfs/sys/trace_dmu.h
+++ b/include/os/linux/zfs/sys/trace_dmu.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_dnode.h b/include/os/linux/zfs/sys/trace_dnode.h
index 2697e871b85f..931fde432c9b 100644
--- a/include/os/linux/zfs/sys/trace_dnode.h
+++ b/include/os/linux/zfs/sys/trace_dnode.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_multilist.h b/include/os/linux/zfs/sys/trace_multilist.h
index 33b9aeac9213..87da32d63d3b 100644
--- a/include/os/linux/zfs/sys/trace_multilist.h
+++ b/include/os/linux/zfs/sys/trace_multilist.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_rrwlock.h b/include/os/linux/zfs/sys/trace_rrwlock.h
index dbc94fee0136..7da02e659354 100644
--- a/include/os/linux/zfs/sys/trace_rrwlock.h
+++ b/include/os/linux/zfs/sys/trace_rrwlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_txg.h b/include/os/linux/zfs/sys/trace_txg.h
index c95220b1b5d6..63d99d25c6a1 100644
--- a/include/os/linux/zfs/sys/trace_txg.h
+++ b/include/os/linux/zfs/sys/trace_txg.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_vdev.h b/include/os/linux/zfs/sys/trace_vdev.h
index 6a3f6c202527..a64ef0478d6b 100644
--- a/include/os/linux/zfs/sys/trace_vdev.h
+++ b/include/os/linux/zfs/sys/trace_vdev.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_zfs.h b/include/os/linux/zfs/sys/trace_zfs.h
index 5f82e1c093a6..0ab61c10c684 100644
--- a/include/os/linux/zfs/sys/trace_zfs.h
+++ b/include/os/linux/zfs/sys/trace_zfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_zil.h b/include/os/linux/zfs/sys/trace_zil.h
index ae1caa3ac473..955462c85d10 100644
--- a/include/os/linux/zfs/sys/trace_zil.h
+++ b/include/os/linux/zfs/sys/trace_zil.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_zio.h b/include/os/linux/zfs/sys/trace_zio.h
index 223eb559ea7e..96bee4a10854 100644
--- a/include/os/linux/zfs/sys/trace_zio.h
+++ b/include/os/linux/zfs/sys/trace_zio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/trace_zrlock.h b/include/os/linux/zfs/sys/trace_zrlock.h
index 6c797c6e231c..049eb3a2fec9 100644
--- a/include/os/linux/zfs/sys/trace_zrlock.h
+++ b/include/os/linux/zfs/sys/trace_zrlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/zfs_bootenv_os.h b/include/os/linux/zfs/sys/zfs_bootenv_os.h
index 7b2f083adcd4..4f90b72c80f7 100644
--- a/include/os/linux/zfs/sys/zfs_bootenv_os.h
+++ b/include/os/linux/zfs/sys/zfs_bootenv_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/include/os/linux/zfs/sys/zfs_context_os.h b/include/os/linux/zfs/sys/zfs_context_os.h
index 04a5f0c0d239..346b062a14d7 100644
--- a/include/os/linux/zfs/sys/zfs_context_os.h
+++ b/include/os/linux/zfs/sys/zfs_context_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/zfs_ctldir.h b/include/os/linux/zfs/sys/zfs_ctldir.h
index 8f18cda2952f..3f8617a91f32 100644
--- a/include/os/linux/zfs/sys/zfs_ctldir.h
+++ b/include/os/linux/zfs/sys/zfs_ctldir.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/zfs_dir.h b/include/os/linux/zfs/sys/zfs_dir.h
index 9b2232c68ba4..322463d3186b 100644
--- a/include/os/linux/zfs/sys/zfs_dir.h
+++ b/include/os/linux/zfs/sys/zfs_dir.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/zfs_vfsops_os.h b/include/os/linux/zfs/sys/zfs_vfsops_os.h
index 30aa3a103d33..4a73712e959d 100644
--- a/include/os/linux/zfs/sys/zfs_vfsops_os.h
+++ b/include/os/linux/zfs/sys/zfs_vfsops_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/zfs_vnops_os.h b/include/os/linux/zfs/sys/zfs_vnops_os.h
index db33eda57705..b41ffcc178ca 100644
--- a/include/os/linux/zfs/sys/zfs_vnops_os.h
+++ b/include/os/linux/zfs/sys/zfs_vnops_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/zfs_znode_impl.h b/include/os/linux/zfs/sys/zfs_znode_impl.h
index cc8e5150eaf1..b38847b20462 100644
--- a/include/os/linux/zfs/sys/zfs_znode_impl.h
+++ b/include/os/linux/zfs/sys/zfs_znode_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/os/linux/zfs/sys/zpl.h b/include/os/linux/zfs/sys/zpl.h
index c6e235c48ef3..39f1310aadf2 100644
--- a/include/os/linux/zfs/sys/zpl.h
+++ b/include/os/linux/zfs/sys/zpl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/abd.h b/include/sys/abd.h
index bd3a7bd7c935..41cdb2615427 100644
--- a/include/sys/abd.h
+++ b/include/sys/abd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/abd_impl.h b/include/sys/abd_impl.h
index 35a64f8621a5..6cf09849ddf2 100644
--- a/include/sys/abd_impl.h
+++ b/include/sys/abd_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/aggsum.h b/include/sys/aggsum.h
index 65800058cbf6..4da3651c9ce2 100644
--- a/include/sys/aggsum.h
+++ b/include/sys/aggsum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/arc.h b/include/sys/arc.h
index 0e0a828c1d93..37674eff4f66 100644
--- a/include/sys/arc.h
+++ b/include/sys/arc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/arc_impl.h b/include/sys/arc_impl.h
index 2cf6aa3b1825..1b30389107c5 100644
--- a/include/sys/arc_impl.h
+++ b/include/sys/arc_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/asm_linkage.h b/include/sys/asm_linkage.h
index 749157d4c3db..95aee943d688 100644
--- a/include/sys/asm_linkage.h
+++ b/include/sys/asm_linkage.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/avl.h b/include/sys/avl.h
index 8818e3edb292..98436569954b 100644
--- a/include/sys/avl.h
+++ b/include/sys/avl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/avl_impl.h b/include/sys/avl_impl.h
index b2b4eb4bce22..3627e96107cc 100644
--- a/include/sys/avl_impl.h
+++ b/include/sys/avl_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/bitmap.h b/include/sys/bitmap.h
index 71eeba592cfd..1bcddaf79f28 100644
--- a/include/sys/bitmap.h
+++ b/include/sys/bitmap.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/bitops.h b/include/sys/bitops.h
index 5c477b38b205..aec4e2980f40 100644
--- a/include/sys/bitops.h
+++ b/include/sys/bitops.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/blake3.h b/include/sys/blake3.h
index b981b18db943..0e86ce53aed3 100644
--- a/include/sys/blake3.h
+++ b/include/sys/blake3.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/blkptr.h b/include/sys/blkptr.h
index 77b1b827ac37..55e6829d55b9 100644
--- a/include/sys/blkptr.h
+++ b/include/sys/blkptr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/bplist.h b/include/sys/bplist.h
index 53dd346767fe..37def1baa336 100644
--- a/include/sys/bplist.h
+++ b/include/sys/bplist.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/bpobj.h b/include/sys/bpobj.h
index 81bc0fe21086..9942f86385ce 100644
--- a/include/sys/bpobj.h
+++ b/include/sys/bpobj.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/bptree.h b/include/sys/bptree.h
index 9d189446ab69..8bae6bdbbf2d 100644
--- a/include/sys/bptree.h
+++ b/include/sys/bptree.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/bqueue.h b/include/sys/bqueue.h
index edcee16227ec..39a356117887 100644
--- a/include/sys/bqueue.h
+++ b/include/sys/bqueue.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/brt.h b/include/sys/brt.h
index f73df95058d9..d7c1814b084f 100644
--- a/include/sys/brt.h
+++ b/include/sys/brt.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/brt_impl.h b/include/sys/brt_impl.h
index 168d81f17b72..1805d21b16b2 100644
--- a/include/sys/brt_impl.h
+++ b/include/sys/brt_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/btree.h b/include/sys/btree.h
index 6e05eee8f01d..2ac811da06a9 100644
--- a/include/sys/btree.h
+++ b/include/sys/btree.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/crypto/api.h b/include/sys/crypto/api.h
index 88e0ac4d9699..ba150230e326 100644
--- a/include/sys/crypto/api.h
+++ b/include/sys/crypto/api.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/crypto/common.h b/include/sys/crypto/common.h
index c9ef3b367e08..4a9b4f0e1f76 100644
--- a/include/sys/crypto/common.h
+++ b/include/sys/crypto/common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/crypto/icp.h b/include/sys/crypto/icp.h
index efe283fa928a..cc8cb6b3d1b3 100644
--- a/include/sys/crypto/icp.h
+++ b/include/sys/crypto/icp.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dataset_kstats.h b/include/sys/dataset_kstats.h
index c81a07f0c116..d3e958f7e094 100644
--- a/include/sys/dataset_kstats.h
+++ b/include/sys/dataset_kstats.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dbuf.h b/include/sys/dbuf.h
index e69464809a42..2e9b7edf8691 100644
--- a/include/sys/dbuf.h
+++ b/include/sys/dbuf.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/ddt.h b/include/sys/ddt.h
index 4e5ccd46318e..a2a17459abae 100644
--- a/include/sys/ddt.h
+++ b/include/sys/ddt.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/ddt_impl.h b/include/sys/ddt_impl.h
index 4d3c0cae072e..22bd1b2ad808 100644
--- a/include/sys/ddt_impl.h
+++ b/include/sys/ddt_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu.h b/include/sys/dmu.h
index 29f715039d29..2640d29e2766 100644
--- a/include/sys/dmu.h
+++ b/include/sys/dmu.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_impl.h b/include/sys/dmu_impl.h
index 4eaa399407dd..dc2b66d06e7c 100644
--- a/include/sys/dmu_impl.h
+++ b/include/sys/dmu_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_objset.h b/include/sys/dmu_objset.h
index 587dac738bae..288ad30166df 100644
--- a/include/sys/dmu_objset.h
+++ b/include/sys/dmu_objset.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_recv.h b/include/sys/dmu_recv.h
index 3390ca1089f8..cd292d9244b0 100644
--- a/include/sys/dmu_recv.h
+++ b/include/sys/dmu_recv.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_redact.h b/include/sys/dmu_redact.h
index c18e2be103b7..1ca8732f190b 100644
--- a/include/sys/dmu_redact.h
+++ b/include/sys/dmu_redact.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_send.h b/include/sys/dmu_send.h
index 061b81532fb1..4ddb9f2acab4 100644
--- a/include/sys/dmu_send.h
+++ b/include/sys/dmu_send.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_traverse.h b/include/sys/dmu_traverse.h
index 7a0b38da7302..3196b2addeee 100644
--- a/include/sys/dmu_traverse.h
+++ b/include/sys/dmu_traverse.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_tx.h b/include/sys/dmu_tx.h
index aa55da626149..b87836ecc2d9 100644
--- a/include/sys/dmu_tx.h
+++ b/include/sys/dmu_tx.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dmu_zfetch.h b/include/sys/dmu_zfetch.h
index 322472fb1ae2..963e841a4882 100644
--- a/include/sys/dmu_zfetch.h
+++ b/include/sys/dmu_zfetch.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dnode.h b/include/sys/dnode.h
index 5d0f0fb26d02..1519c17b52e1 100644
--- a/include/sys/dnode.h
+++ b/include/sys/dnode.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_bookmark.h b/include/sys/dsl_bookmark.h
index d4e559a09037..2233612c0d4b 100644
--- a/include/sys/dsl_bookmark.h
+++ b/include/sys/dsl_bookmark.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_crypt.h b/include/sys/dsl_crypt.h
index fbcae3715355..1a088b8f3d3d 100644
--- a/include/sys/dsl_crypt.h
+++ b/include/sys/dsl_crypt.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_dataset.h b/include/sys/dsl_dataset.h
index 3450527af7e0..624f3ddde9f0 100644
--- a/include/sys/dsl_dataset.h
+++ b/include/sys/dsl_dataset.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_deadlist.h b/include/sys/dsl_deadlist.h
index 798f9e3f6245..41f5b4f08454 100644
--- a/include/sys/dsl_deadlist.h
+++ b/include/sys/dsl_deadlist.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_deleg.h b/include/sys/dsl_deleg.h
index d6abac90bbcc..056a8663e988 100644
--- a/include/sys/dsl_deleg.h
+++ b/include/sys/dsl_deleg.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_destroy.h b/include/sys/dsl_destroy.h
index 1a9b672a260b..90a1c2eddaa2 100644
--- a/include/sys/dsl_destroy.h
+++ b/include/sys/dsl_destroy.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_dir.h b/include/sys/dsl_dir.h
index 04ea7a8f293b..6135835fca48 100644
--- a/include/sys/dsl_dir.h
+++ b/include/sys/dsl_dir.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_pool.h b/include/sys/dsl_pool.h
index abcdc77a4b96..c609dd405198 100644
--- a/include/sys/dsl_pool.h
+++ b/include/sys/dsl_pool.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_prop.h b/include/sys/dsl_prop.h
index 7a84f2b6922a..53caa1b82bfc 100644
--- a/include/sys/dsl_prop.h
+++ b/include/sys/dsl_prop.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_scan.h b/include/sys/dsl_scan.h
index ef181c3ff2cd..44cca14794e0 100644
--- a/include/sys/dsl_scan.h
+++ b/include/sys/dsl_scan.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_synctask.h b/include/sys/dsl_synctask.h
index cbdb20ec1d3a..93cf25bf7635 100644
--- a/include/sys/dsl_synctask.h
+++ b/include/sys/dsl_synctask.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/dsl_userhold.h b/include/sys/dsl_userhold.h
index c165edab3c53..de9279c2ce1a 100644
--- a/include/sys/dsl_userhold.h
+++ b/include/sys/dsl_userhold.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 
 /*
  * CDDL HEADER START
diff --git a/include/sys/edonr.h b/include/sys/edonr.h
index b19b5eb42c29..02f5a4f42900 100644
--- a/include/sys/edonr.h
+++ b/include/sys/edonr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/efi_partition.h b/include/sys/efi_partition.h
index c4d7fd5088b5..926dc03bf251 100644
--- a/include/sys/efi_partition.h
+++ b/include/sys/efi_partition.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/fm/fs/zfs.h b/include/sys/fm/fs/zfs.h
index 43d6e3f96ea3..30ced55da138 100644
--- a/include/sys/fm/fs/zfs.h
+++ b/include/sys/fm/fs/zfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/fm/protocol.h b/include/sys/fm/protocol.h
index d4a9751c8aeb..749ffe1a1b7e 100644
--- a/include/sys/fm/protocol.h
+++ b/include/sys/fm/protocol.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/fm/util.h b/include/sys/fm/util.h
index 038162ab7524..2e6e2a7e7f98 100644
--- a/include/sys/fm/util.h
+++ b/include/sys/fm/util.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/frame.h b/include/sys/frame.h
index caae851421d8..dbcf1087bed8 100644
--- a/include/sys/frame.h
+++ b/include/sys/frame.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index dc474e3739f3..916e721ee672 100644
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/hkdf.h b/include/sys/hkdf.h
index e0f7678c03d5..ea4f035e1d30 100644
--- a/include/sys/hkdf.h
+++ b/include/sys/hkdf.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/lua/lauxlib.h b/include/sys/lua/lauxlib.h
index 1d17837568ac..33269319ec8c 100644
--- a/include/sys/lua/lauxlib.h
+++ b/include/sys/lua/lauxlib.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lauxlib.h,v 1.120.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Auxiliary functions for building Lua libraries
diff --git a/include/sys/lua/lua.h b/include/sys/lua/lua.h
index 9220218af035..e5862f88c299 100644
--- a/include/sys/lua/lua.h
+++ b/include/sys/lua/lua.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lua.h,v 1.285.1.4 2015/02/21 14:04:50 roberto Exp $
 ** Lua - A Scripting Language
diff --git a/include/sys/lua/luaconf.h b/include/sys/lua/luaconf.h
index 6dfcd03ba9cb..96af86864038 100644
--- a/include/sys/lua/luaconf.h
+++ b/include/sys/lua/luaconf.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: luaconf.h,v 1.176.1.2 2013/11/21 17:26:16 roberto Exp $
 ** Configuration file for Lua
diff --git a/include/sys/lua/lualib.h b/include/sys/lua/lualib.h
index f23feaa5c44a..37e0c3c484a0 100644
--- a/include/sys/lua/lualib.h
+++ b/include/sys/lua/lualib.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lualib.h,v 1.43.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lua standard libraries
diff --git a/include/sys/metaslab.h b/include/sys/metaslab.h
index 815b5d0c9cf1..536da4f55d52 100644
--- a/include/sys/metaslab.h
+++ b/include/sys/metaslab.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/metaslab_impl.h b/include/sys/metaslab_impl.h
index 4f434291ddbf..a2c1368d8c23 100644
--- a/include/sys/metaslab_impl.h
+++ b/include/sys/metaslab_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/mmp.h b/include/sys/mmp.h
index 1023334098d8..2876236823f0 100644
--- a/include/sys/mmp.h
+++ b/include/sys/mmp.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/mntent.h b/include/sys/mntent.h
index 5bb7e080cda8..e67c05e750e8 100644
--- a/include/sys/mntent.h
+++ b/include/sys/mntent.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/mod.h b/include/sys/mod.h
index aba211423773..4122889ab758 100644
--- a/include/sys/mod.h
+++ b/include/sys/mod.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/include/sys/multilist.h b/include/sys/multilist.h
index e7de86f2379b..2ffdcf8e9c04 100644
--- a/include/sys/multilist.h
+++ b/include/sys/multilist.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/nvpair.h b/include/sys/nvpair.h
index 2dbd9e3eaf46..66362a9dbd41 100644
--- a/include/sys/nvpair.h
+++ b/include/sys/nvpair.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/nvpair_impl.h b/include/sys/nvpair_impl.h
index 6cae256285e5..cc79653fe334 100644
--- a/include/sys/nvpair_impl.h
+++ b/include/sys/nvpair_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/objlist.h b/include/sys/objlist.h
index a124a61fdc95..77ebc6ed3a76 100644
--- a/include/sys/objlist.h
+++ b/include/sys/objlist.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/pathname.h b/include/sys/pathname.h
index 054223170db1..3b29108cc29f 100644
--- a/include/sys/pathname.h
+++ b/include/sys/pathname.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/qat.h b/include/sys/qat.h
index 76360ba99042..d32531e08273 100644
--- a/include/sys/qat.h
+++ b/include/sys/qat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/range_tree.h b/include/sys/range_tree.h
index d6f60e795288..95ac9f2ed8b5 100644
--- a/include/sys/range_tree.h
+++ b/include/sys/range_tree.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/rrwlock.h b/include/sys/rrwlock.h
index 367732a8391c..ad845e6dd5dc 100644
--- a/include/sys/rrwlock.h
+++ b/include/sys/rrwlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/sa.h b/include/sys/sa.h
index 2e1d50c7330f..80a5df824cab 100644
--- a/include/sys/sa.h
+++ b/include/sys/sa.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/sa_impl.h b/include/sys/sa_impl.h
index 3632e5c99236..04e221c8c37d 100644
--- a/include/sys/sa_impl.h
+++ b/include/sys/sa_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/sha2.h b/include/sys/sha2.h
index b344eb9d5ff2..22e86028e518 100644
--- a/include/sys/sha2.h
+++ b/include/sys/sha2.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/skein.h b/include/sys/skein.h
index 3359d48af795..c21dbd95a7b3 100644
--- a/include/sys/skein.h
+++ b/include/sys/skein.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
 /*
  * Interface declarations for Skein hashing.
  * Source code author: Doug Whiting, 2008.
diff --git a/include/sys/spa.h b/include/sys/spa.h
index 23c20294d1f8..c3ebafed9842 100644
--- a/include/sys/spa.h
+++ b/include/sys/spa.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/spa_checkpoint.h b/include/sys/spa_checkpoint.h
index e4475ff35f44..1290687647d9 100644
--- a/include/sys/spa_checkpoint.h
+++ b/include/sys/spa_checkpoint.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/spa_checksum.h b/include/sys/spa_checksum.h
index 2202afdeb8da..b9dc6ae3006b 100644
--- a/include/sys/spa_checksum.h
+++ b/include/sys/spa_checksum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/spa_impl.h b/include/sys/spa_impl.h
index b0a2d46ff2c4..a3fbf8504050 100644
--- a/include/sys/spa_impl.h
+++ b/include/sys/spa_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/spa_log_spacemap.h b/include/sys/spa_log_spacemap.h
index f59e69917833..dd2000c4d0f7 100644
--- a/include/sys/spa_log_spacemap.h
+++ b/include/sys/spa_log_spacemap.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/space_map.h b/include/sys/space_map.h
index 14c5beccee55..80ae86fad517 100644
--- a/include/sys/space_map.h
+++ b/include/sys/space_map.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/space_reftree.h b/include/sys/space_reftree.h
index b7a846aec624..25d5db8a09db 100644
--- a/include/sys/space_reftree.h
+++ b/include/sys/space_reftree.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/sysevent.h b/include/sys/sysevent.h
index f8ae17497366..0aa1140c7f3c 100644
--- a/include/sys/sysevent.h
+++ b/include/sys/sysevent.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/sysevent/dev.h b/include/sys/sysevent/dev.h
index 0783d0073162..2695f3b0bbf6 100644
--- a/include/sys/sysevent/dev.h
+++ b/include/sys/sysevent/dev.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/sysevent/eventdefs.h b/include/sys/sysevent/eventdefs.h
index a21085257967..016392170fdd 100644
--- a/include/sys/sysevent/eventdefs.h
+++ b/include/sys/sysevent/eventdefs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/txg.h b/include/sys/txg.h
index 46945210cdb5..70ba89c8ac09 100644
--- a/include/sys/txg.h
+++ b/include/sys/txg.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/txg_impl.h b/include/sys/txg_impl.h
index 8ab7969b25be..9ca1de0330bf 100644
--- a/include/sys/txg_impl.h
+++ b/include/sys/txg_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/u8_textprep.h b/include/sys/u8_textprep.h
index b0bae5833acd..b943b9616736 100644
--- a/include/sys/u8_textprep.h
+++ b/include/sys/u8_textprep.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/u8_textprep_data.h b/include/sys/u8_textprep_data.h
index bd6af0e8f661..597d1818bdd2 100644
--- a/include/sys/u8_textprep_data.h
+++ b/include/sys/u8_textprep_data.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/uberblock.h b/include/sys/uberblock.h
index ff3a8c81232a..296d0e01cd63 100644
--- a/include/sys/uberblock.h
+++ b/include/sys/uberblock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/uberblock_impl.h b/include/sys/uberblock_impl.h
index e480a4bac0b9..bcd40613da0d 100644
--- a/include/sys/uberblock_impl.h
+++ b/include/sys/uberblock_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/uio_impl.h b/include/sys/uio_impl.h
index 90b80127246c..eea832ec993b 100644
--- a/include/sys/uio_impl.h
+++ b/include/sys/uio_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/unique.h b/include/sys/unique.h
index bc7944657521..895440c08ce8 100644
--- a/include/sys/unique.h
+++ b/include/sys/unique.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/uuid.h b/include/sys/uuid.h
index 19f1baa4432e..c01202dfc5f6 100644
--- a/include/sys/uuid.h
+++ b/include/sys/uuid.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev.h b/include/sys/vdev.h
index 38f62b07dc59..3f05af4784d6 100644
--- a/include/sys/vdev.h
+++ b/include/sys/vdev.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_disk.h b/include/sys/vdev_disk.h
index 02c583777ebc..d80ae3619a8c 100644
--- a/include/sys/vdev_disk.h
+++ b/include/sys/vdev_disk.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_draid.h b/include/sys/vdev_draid.h
index a204f1e3c74a..d44ab6681db9 100644
--- a/include/sys/vdev_draid.h
+++ b/include/sys/vdev_draid.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_file.h b/include/sys/vdev_file.h
index fddecbfe1ab5..f95d833e9000 100644
--- a/include/sys/vdev_file.h
+++ b/include/sys/vdev_file.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_impl.h b/include/sys/vdev_impl.h
index d45a5913dc0f..54539d6062ac 100644
--- a/include/sys/vdev_impl.h
+++ b/include/sys/vdev_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_indirect_births.h b/include/sys/vdev_indirect_births.h
index 987b14485d2b..4e12a2b9a06f 100644
--- a/include/sys/vdev_indirect_births.h
+++ b/include/sys/vdev_indirect_births.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_indirect_mapping.h b/include/sys/vdev_indirect_mapping.h
index 7e42c1019504..10c349ea09d1 100644
--- a/include/sys/vdev_indirect_mapping.h
+++ b/include/sys/vdev_indirect_mapping.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_initialize.h b/include/sys/vdev_initialize.h
index 78702b7325a0..f5e66b3a14a9 100644
--- a/include/sys/vdev_initialize.h
+++ b/include/sys/vdev_initialize.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_raidz.h b/include/sys/vdev_raidz.h
index ed042aedbdbc..3b02728cdbf3 100644
--- a/include/sys/vdev_raidz.h
+++ b/include/sys/vdev_raidz.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_raidz_impl.h b/include/sys/vdev_raidz_impl.h
index 45cb5864a22b..debce6f09a22 100644
--- a/include/sys/vdev_raidz_impl.h
+++ b/include/sys/vdev_raidz_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_rebuild.h b/include/sys/vdev_rebuild.h
index 55ec6c570316..2bf82a63ea5c 100644
--- a/include/sys/vdev_rebuild.h
+++ b/include/sys/vdev_rebuild.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_removal.h b/include/sys/vdev_removal.h
index 70b743f4ec6b..24fee56b317c 100644
--- a/include/sys/vdev_removal.h
+++ b/include/sys/vdev_removal.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/vdev_trim.h b/include/sys/vdev_trim.h
index 7a94d4af098f..d418e91c5dee 100644
--- a/include/sys/vdev_trim.h
+++ b/include/sys/vdev_trim.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/xvattr.h b/include/sys/xvattr.h
index a7994db894b9..447842d269b3 100644
--- a/include/sys/xvattr.h
+++ b/include/sys/xvattr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zap.h b/include/sys/zap.h
index c8d24b1100be..8d6c93060216 100644
--- a/include/sys/zap.h
+++ b/include/sys/zap.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zap_impl.h b/include/sys/zap_impl.h
index fad2c8bfa695..5a5dd47739cc 100644
--- a/include/sys/zap_impl.h
+++ b/include/sys/zap_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zap_leaf.h b/include/sys/zap_leaf.h
index e54456d3472b..2ae51fc63152 100644
--- a/include/sys/zap_leaf.h
+++ b/include/sys/zap_leaf.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zcp.h b/include/sys/zcp.h
index 6301cc08e7ea..96279deaee75 100644
--- a/include/sys/zcp.h
+++ b/include/sys/zcp.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zcp_global.h b/include/sys/zcp_global.h
index 0af5708dd3cb..21554a095dec 100644
--- a/include/sys/zcp_global.h
+++ b/include/sys/zcp_global.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zcp_iter.h b/include/sys/zcp_iter.h
index fa6eeef25edd..0354d746dc25 100644
--- a/include/sys/zcp_iter.h
+++ b/include/sys/zcp_iter.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zcp_prop.h b/include/sys/zcp_prop.h
index 97b17619565c..e018fa6839ac 100644
--- a/include/sys/zcp_prop.h
+++ b/include/sys/zcp_prop.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zcp_set.h b/include/sys/zcp_set.h
index b7428d6fc09e..c90d2dc27f34 100644
--- a/include/sys/zcp_set.h
+++ b/include/sys/zcp_set.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfeature.h b/include/sys/zfeature.h
index bf9361374d33..fb9c3dbffc56 100644
--- a/include/sys/zfeature.h
+++ b/include/sys/zfeature.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_acl.h b/include/sys/zfs_acl.h
index e19288528849..753a128873d5 100644
--- a/include/sys/zfs_acl.h
+++ b/include/sys/zfs_acl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_bootenv.h b/include/sys/zfs_bootenv.h
index 7af0a57dd008..074e7e759576 100644
--- a/include/sys/zfs_bootenv.h
+++ b/include/sys/zfs_bootenv.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/include/sys/zfs_chksum.h b/include/sys/zfs_chksum.h
index a0e1b35189bb..9d35068eae1a 100644
--- a/include/sys/zfs_chksum.h
+++ b/include/sys/zfs_chksum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_context.h b/include/sys/zfs_context.h
index 998eaa5dd813..549f54c09383 100644
--- a/include/sys/zfs_context.h
+++ b/include/sys/zfs_context.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_debug.h b/include/sys/zfs_debug.h
index e509c8b7c638..dc1ec06688f8 100644
--- a/include/sys/zfs_debug.h
+++ b/include/sys/zfs_debug.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_delay.h b/include/sys/zfs_delay.h
index 56ac1f3c439b..a08a582cc7e6 100644
--- a/include/sys/zfs_delay.h
+++ b/include/sys/zfs_delay.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_file.h b/include/sys/zfs_file.h
index 64f116c21ba7..a1f344c2bb79 100644
--- a/include/sys/zfs_file.h
+++ b/include/sys/zfs_file.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_fuid.h b/include/sys/zfs_fuid.h
index d6b2942d1bec..ec8ca0e1291c 100644
--- a/include/sys/zfs_fuid.h
+++ b/include/sys/zfs_fuid.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_impl.h b/include/sys/zfs_impl.h
index df4899f132b8..a0b90003438d 100644
--- a/include/sys/zfs_impl.h
+++ b/include/sys/zfs_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_ioctl.h b/include/sys/zfs_ioctl.h
index a8c3ffc76455..1805028024e6 100644
--- a/include/sys/zfs_ioctl.h
+++ b/include/sys/zfs_ioctl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_ioctl_impl.h b/include/sys/zfs_ioctl_impl.h
index cb852c5577fd..74db8a169771 100644
--- a/include/sys/zfs_ioctl_impl.h
+++ b/include/sys/zfs_ioctl_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_onexit.h b/include/sys/zfs_onexit.h
index 91f49d4cc5a3..9d7993fca380 100644
--- a/include/sys/zfs_onexit.h
+++ b/include/sys/zfs_onexit.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_project.h b/include/sys/zfs_project.h
index 8a46e5e068db..714c87a0d441 100644
--- a/include/sys/zfs_project.h
+++ b/include/sys/zfs_project.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_quota.h b/include/sys/zfs_quota.h
index 4567cc651afb..f12a0f2db394 100644
--- a/include/sys/zfs_quota.h
+++ b/include/sys/zfs_quota.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_racct.h b/include/sys/zfs_racct.h
index ff84cccb09a1..939e8fa666e9 100644
--- a/include/sys/zfs_racct.h
+++ b/include/sys/zfs_racct.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_ratelimit.h b/include/sys/zfs_ratelimit.h
index 012825fadb22..9ec8a065b916 100644
--- a/include/sys/zfs_ratelimit.h
+++ b/include/sys/zfs_ratelimit.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_refcount.h b/include/sys/zfs_refcount.h
index 77965a0aa580..5cf1723d8091 100644
--- a/include/sys/zfs_refcount.h
+++ b/include/sys/zfs_refcount.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_rlock.h b/include/sys/zfs_rlock.h
index 5e5d6d68d6c5..df951d9014f6 100644
--- a/include/sys/zfs_rlock.h
+++ b/include/sys/zfs_rlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_sa.h b/include/sys/zfs_sa.h
index 1b4b8abf0244..b40fbe469951 100644
--- a/include/sys/zfs_sa.h
+++ b/include/sys/zfs_sa.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_stat.h b/include/sys/zfs_stat.h
index 1589f945cbd7..7079adaa2fa3 100644
--- a/include/sys/zfs_stat.h
+++ b/include/sys/zfs_stat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_sysfs.h b/include/sys/zfs_sysfs.h
index 6fe9b7a9cd2c..4e360bf30ecd 100644
--- a/include/sys/zfs_sysfs.h
+++ b/include/sys/zfs_sysfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_vfsops.h b/include/sys/zfs_vfsops.h
index 19ae7b77b459..18cc31e7183f 100644
--- a/include/sys/zfs_vfsops.h
+++ b/include/sys/zfs_vfsops.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_vnops.h b/include/sys/zfs_vnops.h
index e60b99bed192..309040e9e226 100644
--- a/include/sys/zfs_vnops.h
+++ b/include/sys/zfs_vnops.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zfs_znode.h b/include/sys/zfs_znode.h
index 040bfbdac831..b3a267e16f3e 100644
--- a/include/sys/zfs_znode.h
+++ b/include/sys/zfs_znode.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zil.h b/include/sys/zil.h
index 259f2d03fc05..fa7945d8ab8b 100644
--- a/include/sys/zil.h
+++ b/include/sys/zil.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zil_impl.h b/include/sys/zil_impl.h
index 9a34bafc1c77..252264b9eae9 100644
--- a/include/sys/zil_impl.h
+++ b/include/sys/zil_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zio.h b/include/sys/zio.h
index 46f5d68aed4a..1835bcbc36c1 100644
--- a/include/sys/zio.h
+++ b/include/sys/zio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zio_checksum.h b/include/sys/zio_checksum.h
index 37fd65b7cb3e..f07ad2605e31 100644
--- a/include/sys/zio_checksum.h
+++ b/include/sys/zio_checksum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zio_compress.h b/include/sys/zio_compress.h
index ceef757abd20..3f9bb9695a34 100644
--- a/include/sys/zio_compress.h
+++ b/include/sys/zio_compress.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zio_crypt.h b/include/sys/zio_crypt.h
index 6a3efabb0405..30ba198085df 100644
--- a/include/sys/zio_crypt.h
+++ b/include/sys/zio_crypt.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zio_impl.h b/include/sys/zio_impl.h
index a5e3ab2384ba..6b751eade0ab 100644
--- a/include/sys/zio_impl.h
+++ b/include/sys/zio_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zio_priority.h b/include/sys/zio_priority.h
index bdf5f9b8ff35..c3d31b61b318 100644
--- a/include/sys/zio_priority.h
+++ b/include/sys/zio_priority.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zrlock.h b/include/sys/zrlock.h
index e2a7a254a6e0..3906be1d128d 100644
--- a/include/sys/zrlock.h
+++ b/include/sys/zrlock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zstd/zstd.h b/include/sys/zstd/zstd.h
index 6d212b082f9a..8c3c6e67e9c1 100644
--- a/include/sys/zstd/zstd.h
+++ b/include/sys/zstd/zstd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/include/sys/zthr.h b/include/sys/zthr.h
index 4881b4572641..3973cfca5ce9 100644
--- a/include/sys/zthr.h
+++ b/include/sys/zthr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zvol.h b/include/sys/zvol.h
index c79fe1d9ad22..32e703650935 100644
--- a/include/sys/zvol.h
+++ b/include/sys/zvol.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/sys/zvol_impl.h b/include/sys/zvol_impl.h
index a8168850023a..3a40b40f7f3d 100644
--- a/include/sys/zvol_impl.h
+++ b/include/sys/zvol_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/thread_pool.h b/include/thread_pool.h
index 2e0aed5f7f57..b5ef5114641d 100644
--- a/include/thread_pool.h
+++ b/include/thread_pool.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/zfeature_common.h b/include/zfeature_common.h
index ac42b5c0cd6b..85537c1ae96e 100644
--- a/include/zfeature_common.h
+++ b/include/zfeature_common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/zfs_comutil.h b/include/zfs_comutil.h
index 25f0959e00b1..90be86c9556b 100644
--- a/include/zfs_comutil.h
+++ b/include/zfs_comutil.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/zfs_deleg.h b/include/zfs_deleg.h
index 92331b4eeba5..f80fe46d35f8 100644
--- a/include/zfs_deleg.h
+++ b/include/zfs_deleg.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/zfs_fletcher.h b/include/zfs_fletcher.h
index ca1a092928d6..f3a620a7c7e2 100644
--- a/include/zfs_fletcher.h
+++ b/include/zfs_fletcher.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/zfs_namecheck.h b/include/zfs_namecheck.h
index d3a923909c69..a15d5ee44b35 100644
--- a/include/zfs_namecheck.h
+++ b/include/zfs_namecheck.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/zfs_prop.h b/include/zfs_prop.h
index 3513c4b40932..c0c332bdc9e4 100644
--- a/include/zfs_prop.h
+++ b/include/zfs_prop.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/include/zfs_valstr.h b/include/zfs_valstr.h
index 77c26ce1ae7d..295449396c51 100644
--- a/include/zfs_valstr.h
+++ b/include/zfs_valstr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libefi/rdwr_efi.c b/lib/libefi/rdwr_efi.c
index 63c91059ae5f..0a93fd1338f6 100644
--- a/lib/libefi/rdwr_efi.c
+++ b/lib/libefi/rdwr_efi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libnvpair/libnvpair.c b/lib/libnvpair/libnvpair.c
index 7141c437b810..fb26ed63845c 100644
--- a/lib/libnvpair/libnvpair.c
+++ b/lib/libnvpair/libnvpair.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libnvpair/libnvpair_json.c b/lib/libnvpair/libnvpair_json.c
index b8029dd4d271..6ed984698b59 100644
--- a/lib/libnvpair/libnvpair_json.c
+++ b/lib/libnvpair/libnvpair_json.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/lib/libnvpair/nvpair_alloc_system.c b/lib/libnvpair/nvpair_alloc_system.c
index ade10f58f605..293233df443a 100644
--- a/lib/libnvpair/nvpair_alloc_system.c
+++ b/lib/libnvpair/nvpair_alloc_system.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/libshare.c b/lib/libshare/libshare.c
index d50b4550d6d0..3695207e6fe7 100644
--- a/lib/libshare/libshare.c
+++ b/lib/libshare/libshare.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/libshare_impl.h b/lib/libshare/libshare_impl.h
index d8c924757fe1..79f081bb8312 100644
--- a/lib/libshare/libshare_impl.h
+++ b/lib/libshare/libshare_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/nfs.c b/lib/libshare/nfs.c
index 77ed14f322ed..e4c5b904f51f 100644
--- a/lib/libshare/nfs.c
+++ b/lib/libshare/nfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/nfs.h b/lib/libshare/nfs.h
index f4340b18f89c..1b8ed890d7bd 100644
--- a/lib/libshare/nfs.h
+++ b/lib/libshare/nfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/os/freebsd/nfs.c b/lib/libshare/os/freebsd/nfs.c
index 8a7ee6b35fe1..969194f2881a 100644
--- a/lib/libshare/os/freebsd/nfs.c
+++ b/lib/libshare/os/freebsd/nfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/lib/libshare/os/freebsd/smb.c b/lib/libshare/os/freebsd/smb.c
index 37a3802e4b89..c6b8bdde2d41 100644
--- a/lib/libshare/os/freebsd/smb.c
+++ b/lib/libshare/os/freebsd/smb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/os/linux/nfs.c b/lib/libshare/os/linux/nfs.c
index 3dce818400fc..6a9bb3788523 100644
--- a/lib/libshare/os/linux/nfs.c
+++ b/lib/libshare/os/linux/nfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/os/linux/smb.c b/lib/libshare/os/linux/smb.c
index 0679e82104e2..40996ecc8f89 100644
--- a/lib/libshare/os/linux/smb.c
+++ b/lib/libshare/os/linux/smb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libshare/smb.h b/lib/libshare/smb.h
index 23d27c7b9134..79e67bd7c45a 100644
--- a/lib/libshare/smb.h
+++ b/lib/libshare/smb.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/assert.c b/lib/libspl/assert.c
index d11361b387e2..54d931104814 100644
--- a/lib/libspl/assert.c
+++ b/lib/libspl/assert.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/atomic.c b/lib/libspl/atomic.c
index f61f5fcc47f5..b5cc4ab2a55f 100644
--- a/lib/libspl/atomic.c
+++ b/lib/libspl/atomic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/backtrace.c b/lib/libspl/backtrace.c
index 7f1ef596f8ed..2353f3576143 100644
--- a/lib/libspl/backtrace.c
+++ b/lib/libspl/backtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/getexecname.c b/lib/libspl/getexecname.c
index 95583b31ee6f..56ba5aa86058 100644
--- a/lib/libspl/getexecname.c
+++ b/lib/libspl/getexecname.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/assert.h b/lib/libspl/include/assert.h
index 155bbab3020a..9497ce16ffcf 100644
--- a/lib/libspl/include/assert.h
+++ b/lib/libspl/include/assert.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/atomic.h b/lib/libspl/include/atomic.h
index 4ebdbbda9864..cc6f2e2ce988 100644
--- a/lib/libspl/include/atomic.h
+++ b/lib/libspl/include/atomic.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/libgen.h b/lib/libspl/include/libgen.h
index d8c80509e99e..18d3e1d891b8 100644
--- a/lib/libspl/include/libgen.h
+++ b/lib/libspl/include/libgen.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/libshare.h b/lib/libspl/include/libshare.h
index deeb15c97704..bfa78bffd461 100644
--- a/lib/libspl/include/libshare.h
+++ b/lib/libspl/include/libshare.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/fcntl.h b/lib/libspl/include/os/freebsd/fcntl.h
index 26d571ad8926..1222b3d7a6b5 100644
--- a/lib/libspl/include/os/freebsd/fcntl.h
+++ b/lib/libspl/include/os/freebsd/fcntl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2021 iXsystems, Inc.
  *
diff --git a/lib/libspl/include/os/freebsd/sys/byteorder.h b/lib/libspl/include/os/freebsd/sys/byteorder.h
index bd6728820ed4..116ce991b89b 100644
--- a/lib/libspl/include/os/freebsd/sys/byteorder.h
+++ b/lib/libspl/include/os/freebsd/sys/byteorder.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/sys/fcntl.h b/lib/libspl/include/os/freebsd/sys/fcntl.h
index c8a37a193850..64dd4d7ebe45 100644
--- a/lib/libspl/include/os/freebsd/sys/fcntl.h
+++ b/lib/libspl/include/os/freebsd/sys/fcntl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2021 iXsystems, Inc.
  *
diff --git a/lib/libspl/include/os/freebsd/sys/file.h b/lib/libspl/include/os/freebsd/sys/file.h
index f46b883f524a..75c3b23860bb 100644
--- a/lib/libspl/include/os/freebsd/sys/file.h
+++ b/lib/libspl/include/os/freebsd/sys/file.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/sys/ia32/asm_linkage.h b/lib/libspl/include/os/freebsd/sys/ia32/asm_linkage.h
index 1c4d74423644..f9c34d282d46 100644
--- a/lib/libspl/include/os/freebsd/sys/ia32/asm_linkage.h
+++ b/lib/libspl/include/os/freebsd/sys/ia32/asm_linkage.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/sys/mnttab.h b/lib/libspl/include/os/freebsd/sys/mnttab.h
index 514e1b67547a..e520bf5ef3bb 100644
--- a/lib/libspl/include/os/freebsd/sys/mnttab.h
+++ b/lib/libspl/include/os/freebsd/sys/mnttab.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/sys/mount.h b/lib/libspl/include/os/freebsd/sys/mount.h
index 61c421fe4edb..231c250d3410 100644
--- a/lib/libspl/include/os/freebsd/sys/mount.h
+++ b/lib/libspl/include/os/freebsd/sys/mount.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/sys/param.h b/lib/libspl/include/os/freebsd/sys/param.h
index 1ff3ca8025fc..55fa1de0e8ff 100644
--- a/lib/libspl/include/os/freebsd/sys/param.h
+++ b/lib/libspl/include/os/freebsd/sys/param.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/sys/stat.h b/lib/libspl/include/os/freebsd/sys/stat.h
index af488244bd05..666f2ec6d760 100644
--- a/lib/libspl/include/os/freebsd/sys/stat.h
+++ b/lib/libspl/include/os/freebsd/sys/stat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/freebsd/sys/vfs.h b/lib/libspl/include/os/freebsd/sys/vfs.h
index 55eb3c23b22e..228ec5905240 100644
--- a/lib/libspl/include/os/freebsd/sys/vfs.h
+++ b/lib/libspl/include/os/freebsd/sys/vfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/lib/libspl/include/os/freebsd/sys/zfs_context_os.h b/lib/libspl/include/os/freebsd/sys/zfs_context_os.h
index 9b9d69bddcf7..1dd036d02ac6 100644
--- a/lib/libspl/include/os/freebsd/sys/zfs_context_os.h
+++ b/lib/libspl/include/os/freebsd/sys/zfs_context_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/lib/libspl/include/os/linux/sys/byteorder.h b/lib/libspl/include/os/linux/sys/byteorder.h
index 50f0f1e77936..4fba62addd3b 100644
--- a/lib/libspl/include/os/linux/sys/byteorder.h
+++ b/lib/libspl/include/os/linux/sys/byteorder.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/errno.h b/lib/libspl/include/os/linux/sys/errno.h
index f0ad60b0bcff..dd0120100a3d 100644
--- a/lib/libspl/include/os/linux/sys/errno.h
+++ b/lib/libspl/include/os/linux/sys/errno.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/ia32/asm_linkage.h b/lib/libspl/include/os/linux/sys/ia32/asm_linkage.h
index f07596123341..e1d25346b13e 100644
--- a/lib/libspl/include/os/linux/sys/ia32/asm_linkage.h
+++ b/lib/libspl/include/os/linux/sys/ia32/asm_linkage.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/mnttab.h b/lib/libspl/include/os/linux/sys/mnttab.h
index 7b540a383d27..c1b7f3b389c0 100644
--- a/lib/libspl/include/os/linux/sys/mnttab.h
+++ b/lib/libspl/include/os/linux/sys/mnttab.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/mount.h b/lib/libspl/include/os/linux/sys/mount.h
index a98fd6974b90..c4a291f5c22d 100644
--- a/lib/libspl/include/os/linux/sys/mount.h
+++ b/lib/libspl/include/os/linux/sys/mount.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/param.h b/lib/libspl/include/os/linux/sys/param.h
index c35678529ba8..814f8feaf37f 100644
--- a/lib/libspl/include/os/linux/sys/param.h
+++ b/lib/libspl/include/os/linux/sys/param.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/stat.h b/lib/libspl/include/os/linux/sys/stat.h
index e7f592620512..488554f4e844 100644
--- a/lib/libspl/include/os/linux/sys/stat.h
+++ b/lib/libspl/include/os/linux/sys/stat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/sysmacros.h b/lib/libspl/include/os/linux/sys/sysmacros.h
index 26e1c87a35af..66e0da6b5afe 100644
--- a/lib/libspl/include/os/linux/sys/sysmacros.h
+++ b/lib/libspl/include/os/linux/sys/sysmacros.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/os/linux/sys/zfs_context_os.h b/lib/libspl/include/os/linux/sys/zfs_context_os.h
index 04abfa09d8f1..bbfb4d17e06d 100644
--- a/lib/libspl/include/os/linux/sys/zfs_context_os.h
+++ b/lib/libspl/include/os/linux/sys/zfs_context_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/rpc/xdr.h b/lib/libspl/include/rpc/xdr.h
index 882b72456c21..85f718c275a5 100644
--- a/lib/libspl/include/rpc/xdr.h
+++ b/lib/libspl/include/rpc/xdr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/statcommon.h b/lib/libspl/include/statcommon.h
index 6b7cd0c105e1..21c64ed4a9f8 100644
--- a/lib/libspl/include/statcommon.h
+++ b/lib/libspl/include/statcommon.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/stdlib.h b/lib/libspl/include/stdlib.h
index 2dd371463d40..f381f21345fa 100644
--- a/lib/libspl/include/stdlib.h
+++ b/lib/libspl/include/stdlib.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/string.h b/lib/libspl/include/string.h
index f8605790a6f3..52f268b1d931 100644
--- a/lib/libspl/include/string.h
+++ b/lib/libspl/include/string.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/acl.h b/lib/libspl/include/sys/acl.h
index 43646f3e28fc..602043bbb196 100644
--- a/lib/libspl/include/sys/acl.h
+++ b/lib/libspl/include/sys/acl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/acl_impl.h b/lib/libspl/include/sys/acl_impl.h
index e7f7bcd907cd..2850eacf61f4 100644
--- a/lib/libspl/include/sys/acl_impl.h
+++ b/lib/libspl/include/sys/acl_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/asm_linkage.h b/lib/libspl/include/sys/asm_linkage.h
index 84aa0854a9ff..1a0f2864a178 100644
--- a/lib/libspl/include/sys/asm_linkage.h
+++ b/lib/libspl/include/sys/asm_linkage.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/backtrace.h b/lib/libspl/include/sys/backtrace.h
index f9869ffc9e1a..3a2077f32e6c 100644
--- a/lib/libspl/include/sys/backtrace.h
+++ b/lib/libspl/include/sys/backtrace.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/callb.h b/lib/libspl/include/sys/callb.h
index 783208ed16a4..46ed166e52f8 100644
--- a/lib/libspl/include/sys/callb.h
+++ b/lib/libspl/include/sys/callb.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/cmn_err.h b/lib/libspl/include/sys/cmn_err.h
index 6a29e6cff2e1..32930adaeffa 100644
--- a/lib/libspl/include/sys/cmn_err.h
+++ b/lib/libspl/include/sys/cmn_err.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/cred.h b/lib/libspl/include/sys/cred.h
index 45eb65089df1..4f6183762a0a 100644
--- a/lib/libspl/include/sys/cred.h
+++ b/lib/libspl/include/sys/cred.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/debug.h b/lib/libspl/include/sys/debug.h
index ef3f0afb68c3..cced309bd1bb 100644
--- a/lib/libspl/include/sys/debug.h
+++ b/lib/libspl/include/sys/debug.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/dkio.h b/lib/libspl/include/sys/dkio.h
index 9517b580bdf5..4ae1026d4d5f 100644
--- a/lib/libspl/include/sys/dkio.h
+++ b/lib/libspl/include/sys/dkio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/dklabel.h b/lib/libspl/include/sys/dklabel.h
index a1fddd34799a..409d337e9adf 100644
--- a/lib/libspl/include/sys/dklabel.h
+++ b/lib/libspl/include/sys/dklabel.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/dktp/fdisk.h b/lib/libspl/include/sys/dktp/fdisk.h
index 53db7d815438..5e5db04cccfc 100644
--- a/lib/libspl/include/sys/dktp/fdisk.h
+++ b/lib/libspl/include/sys/dktp/fdisk.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/feature_tests.h b/lib/libspl/include/sys/feature_tests.h
index 396052f125af..be7d4ebf9210 100644
--- a/lib/libspl/include/sys/feature_tests.h
+++ b/lib/libspl/include/sys/feature_tests.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/inttypes.h b/lib/libspl/include/sys/inttypes.h
index 85ddef9ee74c..66cf97ac8b5c 100644
--- a/lib/libspl/include/sys/inttypes.h
+++ b/lib/libspl/include/sys/inttypes.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/isa_defs.h b/lib/libspl/include/sys/isa_defs.h
index 302f31e989cb..99dbc70e4617 100644
--- a/lib/libspl/include/sys/isa_defs.h
+++ b/lib/libspl/include/sys/isa_defs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/kmem.h b/lib/libspl/include/sys/kmem.h
index 9a4f63d0221c..279461f8d4c1 100644
--- a/lib/libspl/include/sys/kmem.h
+++ b/lib/libspl/include/sys/kmem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/kstat.h b/lib/libspl/include/sys/kstat.h
index e6057bf6b98e..7777888c31eb 100644
--- a/lib/libspl/include/sys/kstat.h
+++ b/lib/libspl/include/sys/kstat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/list.h b/lib/libspl/include/sys/list.h
index 6c32402a7bd1..cbbda85dabb5 100644
--- a/lib/libspl/include/sys/list.h
+++ b/lib/libspl/include/sys/list.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/list_impl.h b/lib/libspl/include/sys/list_impl.h
index 629db34da067..10683adab325 100644
--- a/lib/libspl/include/sys/list_impl.h
+++ b/lib/libspl/include/sys/list_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/mhd.h b/lib/libspl/include/sys/mhd.h
index 956009b499ee..82ec436750ef 100644
--- a/lib/libspl/include/sys/mhd.h
+++ b/lib/libspl/include/sys/mhd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/mkdev.h b/lib/libspl/include/sys/mkdev.h
index 4878920f3f13..f02823c68db0 100644
--- a/lib/libspl/include/sys/mkdev.h
+++ b/lib/libspl/include/sys/mkdev.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/policy.h b/lib/libspl/include/sys/policy.h
index b0a810f09841..0d6016c1dd17 100644
--- a/lib/libspl/include/sys/policy.h
+++ b/lib/libspl/include/sys/policy.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/poll.h b/lib/libspl/include/sys/poll.h
index 8f6d591537b2..3e99db0bdbee 100644
--- a/lib/libspl/include/sys/poll.h
+++ b/lib/libspl/include/sys/poll.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/priv.h b/lib/libspl/include/sys/priv.h
index c3f8b7bc41c7..30b88a6c47fc 100644
--- a/lib/libspl/include/sys/priv.h
+++ b/lib/libspl/include/sys/priv.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/processor.h b/lib/libspl/include/sys/processor.h
index d778438c1b3f..9e1bd90992bd 100644
--- a/lib/libspl/include/sys/processor.h
+++ b/lib/libspl/include/sys/processor.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/simd.h b/lib/libspl/include/sys/simd.h
index 2926dc680764..1ef24f5a7d39 100644
--- a/lib/libspl/include/sys/simd.h
+++ b/lib/libspl/include/sys/simd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/stack.h b/lib/libspl/include/sys/stack.h
index ed63d3cb9da2..80984086a145 100644
--- a/lib/libspl/include/sys/stack.h
+++ b/lib/libspl/include/sys/stack.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/stdtypes.h b/lib/libspl/include/sys/stdtypes.h
index 9ad51a03f27c..db5876e5bc2b 100644
--- a/lib/libspl/include/sys/stdtypes.h
+++ b/lib/libspl/include/sys/stdtypes.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/sunddi.h b/lib/libspl/include/sys/sunddi.h
index 4e2c370f7b80..8489c7139bad 100644
--- a/lib/libspl/include/sys/sunddi.h
+++ b/lib/libspl/include/sys/sunddi.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/systeminfo.h b/lib/libspl/include/sys/systeminfo.h
index e0418db89fc6..3ca1fa884994 100644
--- a/lib/libspl/include/sys/systeminfo.h
+++ b/lib/libspl/include/sys/systeminfo.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/time.h b/lib/libspl/include/sys/time.h
index 0f7d5196b31c..da80a5852ae5 100644
--- a/lib/libspl/include/sys/time.h
+++ b/lib/libspl/include/sys/time.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/types.h b/lib/libspl/include/sys/types.h
index 90e3cf9bdaf8..f4bb85c7942e 100644
--- a/lib/libspl/include/sys/types.h
+++ b/lib/libspl/include/sys/types.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/types32.h b/lib/libspl/include/sys/types32.h
index d065ebed03b7..1bcae20187ad 100644
--- a/lib/libspl/include/sys/types32.h
+++ b/lib/libspl/include/sys/types32.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/uio.h b/lib/libspl/include/sys/uio.h
index f86be64ce7f3..93aa4984d734 100644
--- a/lib/libspl/include/sys/uio.h
+++ b/lib/libspl/include/sys/uio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/vnode.h b/lib/libspl/include/sys/vnode.h
index 111cc8fd8357..49afe12c52b1 100644
--- a/lib/libspl/include/sys/vnode.h
+++ b/lib/libspl/include/sys/vnode.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/wmsum.h b/lib/libspl/include/sys/wmsum.h
index 0679af73ce91..36e37f9e17d4 100644
--- a/lib/libspl/include/sys/wmsum.h
+++ b/lib/libspl/include/sys/wmsum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/sys/zone.h b/lib/libspl/include/sys/zone.h
index 00d740fb6fff..f4037b4875a9 100644
--- a/lib/libspl/include/sys/zone.h
+++ b/lib/libspl/include/sys/zone.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/umem.h b/lib/libspl/include/umem.h
index 9039212baf14..6945aae9f3ce 100644
--- a/lib/libspl/include/umem.h
+++ b/lib/libspl/include/umem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/unistd.h b/lib/libspl/include/unistd.h
index edb610e87848..6d755eb8ad91 100644
--- a/lib/libspl/include/unistd.h
+++ b/lib/libspl/include/unistd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/include/zone.h b/lib/libspl/include/zone.h
index 341d574a7460..f946c0f13f77 100644
--- a/lib/libspl/include/zone.h
+++ b/lib/libspl/include/zone.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/libspl_impl.h b/lib/libspl/libspl_impl.h
index 3a19df64440c..39392da09ef5 100644
--- a/lib/libspl/libspl_impl.h
+++ b/lib/libspl/libspl_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/list.c b/lib/libspl/list.c
index aaa71dc73c98..f95b358153de 100644
--- a/lib/libspl/list.c
+++ b/lib/libspl/list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/mkdirp.c b/lib/libspl/mkdirp.c
index dff95a192af7..80198dfbecba 100644
--- a/lib/libspl/mkdirp.c
+++ b/lib/libspl/mkdirp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/os/freebsd/getexecname.c b/lib/libspl/os/freebsd/getexecname.c
index 5f1692adf1dd..49c0ce3a2432 100644
--- a/lib/libspl/os/freebsd/getexecname.c
+++ b/lib/libspl/os/freebsd/getexecname.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/os/freebsd/gethostid.c b/lib/libspl/os/freebsd/gethostid.c
index 4e095d670710..bd0f3ee5a075 100644
--- a/lib/libspl/os/freebsd/gethostid.c
+++ b/lib/libspl/os/freebsd/gethostid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/os/freebsd/getmntany.c b/lib/libspl/os/freebsd/getmntany.c
index fc1c9de6df81..baff124b4a40 100644
--- a/lib/libspl/os/freebsd/getmntany.c
+++ b/lib/libspl/os/freebsd/getmntany.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/os/freebsd/mnttab.c b/lib/libspl/os/freebsd/mnttab.c
index 26a4cd992cfb..5287da132966 100644
--- a/lib/libspl/os/freebsd/mnttab.c
+++ b/lib/libspl/os/freebsd/mnttab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/lib/libspl/os/freebsd/zone.c b/lib/libspl/os/freebsd/zone.c
index c07cb0532e16..d6f698207cd1 100644
--- a/lib/libspl/os/freebsd/zone.c
+++ b/lib/libspl/os/freebsd/zone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/lib/libspl/os/linux/getexecname.c b/lib/libspl/os/linux/getexecname.c
index 4b54c193973a..dc4fe26ca550 100644
--- a/lib/libspl/os/linux/getexecname.c
+++ b/lib/libspl/os/linux/getexecname.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/os/linux/gethostid.c b/lib/libspl/os/linux/gethostid.c
index fcef8798c615..d39f3dda3b8d 100644
--- a/lib/libspl/os/linux/gethostid.c
+++ b/lib/libspl/os/linux/gethostid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/os/linux/getmntany.c b/lib/libspl/os/linux/getmntany.c
index a46c4e931719..dcdf7b3d6fc9 100644
--- a/lib/libspl/os/linux/getmntany.c
+++ b/lib/libspl/os/linux/getmntany.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/os/linux/zone.c b/lib/libspl/os/linux/zone.c
index f8a10bfa167a..f1520676753e 100644
--- a/lib/libspl/os/linux/zone.c
+++ b/lib/libspl/os/linux/zone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/page.c b/lib/libspl/page.c
index fb8827867781..6160a1de10cd 100644
--- a/lib/libspl/page.c
+++ b/lib/libspl/page.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/strlcat.c b/lib/libspl/strlcat.c
index 88e244534ca1..6e4c3280a83a 100644
--- a/lib/libspl/strlcat.c
+++ b/lib/libspl/strlcat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/strlcpy.c b/lib/libspl/strlcpy.c
index c3f59bd84b0d..49ffa2db67c5 100644
--- a/lib/libspl/strlcpy.c
+++ b/lib/libspl/strlcpy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libspl/timestamp.c b/lib/libspl/timestamp.c
index efe21fc1c0e5..0b0838f4b442 100644
--- a/lib/libspl/timestamp.c
+++ b/lib/libspl/timestamp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libtpool/thread_pool.c b/lib/libtpool/thread_pool.c
index 9bf9cdf5dc84..39b92ae81166 100644
--- a/lib/libtpool/thread_pool.c
+++ b/lib/libtpool/thread_pool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libtpool/thread_pool_impl.h b/lib/libtpool/thread_pool_impl.h
index 6cde8d0d235c..e2bffd37d522 100644
--- a/lib/libtpool/thread_pool_impl.h
+++ b/lib/libtpool/thread_pool_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libuutil/uu_alloc.c b/lib/libuutil/uu_alloc.c
index 2850bf6d1b35..dc2276e3d8b0 100644
--- a/lib/libuutil/uu_alloc.c
+++ b/lib/libuutil/uu_alloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libuutil/uu_avl.c b/lib/libuutil/uu_avl.c
index ef1497b31439..a741bfa0fc94 100644
--- a/lib/libuutil/uu_avl.c
+++ b/lib/libuutil/uu_avl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libuutil/uu_ident.c b/lib/libuutil/uu_ident.c
index d0cab0a64d09..87fde4d98086 100644
--- a/lib/libuutil/uu_ident.c
+++ b/lib/libuutil/uu_ident.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libuutil/uu_list.c b/lib/libuutil/uu_list.c
index aa8b129cc22a..6c303bde9c81 100644
--- a/lib/libuutil/uu_list.c
+++ b/lib/libuutil/uu_list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libuutil/uu_misc.c b/lib/libuutil/uu_misc.c
index 762d00c3cd32..1166fdfb2231 100644
--- a/lib/libuutil/uu_misc.c
+++ b/lib/libuutil/uu_misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libuutil/uu_string.c b/lib/libuutil/uu_string.c
index eff0727b7564..76f0a082607a 100644
--- a/lib/libuutil/uu_string.c
+++ b/lib/libuutil/uu_string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_changelist.c b/lib/libzfs/libzfs_changelist.c
index 47df8663165e..d290d949f4b2 100644
--- a/lib/libzfs/libzfs_changelist.c
+++ b/lib/libzfs/libzfs_changelist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_config.c b/lib/libzfs/libzfs_config.c
index 437afb3b7467..0d2102191389 100644
--- a/lib/libzfs/libzfs_config.c
+++ b/lib/libzfs/libzfs_config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_crypto.c b/lib/libzfs/libzfs_crypto.c
index 93dfa9cbc2c0..da1d1ee29e90 100644
--- a/lib/libzfs/libzfs_crypto.c
+++ b/lib/libzfs/libzfs_crypto.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c
index 231bbbd92dbf..1e6778fefc49 100644
--- a/lib/libzfs/libzfs_dataset.c
+++ b/lib/libzfs/libzfs_dataset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_diff.c b/lib/libzfs/libzfs_diff.c
index edf290c4d040..6aa0375f98d7 100644
--- a/lib/libzfs/libzfs_diff.c
+++ b/lib/libzfs/libzfs_diff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_impl.h b/lib/libzfs/libzfs_impl.h
index e98ede51e4ba..9053740ec2f0 100644
--- a/lib/libzfs/libzfs_impl.h
+++ b/lib/libzfs/libzfs_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_import.c b/lib/libzfs/libzfs_import.c
index e2d40a7b3bfb..599e8e6f7819 100644
--- a/lib/libzfs/libzfs_import.c
+++ b/lib/libzfs/libzfs_import.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_iter.c b/lib/libzfs/libzfs_iter.c
index 452d8fd6ab71..1ce833c87ec6 100644
--- a/lib/libzfs/libzfs_iter.c
+++ b/lib/libzfs/libzfs_iter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_mount.c b/lib/libzfs/libzfs_mount.c
index 42988bf9cbb2..2a81b658d342 100644
--- a/lib/libzfs/libzfs_mount.c
+++ b/lib/libzfs/libzfs_mount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index 64f9d1f6eb49..06d2c3543e3d 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_sendrecv.c b/lib/libzfs/libzfs_sendrecv.c
index 97920ce6f21c..1ad10ebb3c15 100644
--- a/lib/libzfs/libzfs_sendrecv.c
+++ b/lib/libzfs/libzfs_sendrecv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_status.c b/lib/libzfs/libzfs_status.c
index a2259eee91ca..1ee703968237 100644
--- a/lib/libzfs/libzfs_status.c
+++ b/lib/libzfs/libzfs_status.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c
index 7cc91f984a40..e450d94add87 100644
--- a/lib/libzfs/libzfs_util.c
+++ b/lib/libzfs/libzfs_util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/os/freebsd/libzfs_compat.c b/lib/libzfs/os/freebsd/libzfs_compat.c
index 2abf7755b518..4d7c12d9cc31 100644
--- a/lib/libzfs/os/freebsd/libzfs_compat.c
+++ b/lib/libzfs/os/freebsd/libzfs_compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/os/freebsd/libzfs_zmount.c b/lib/libzfs/os/freebsd/libzfs_zmount.c
index 3c50daf471b7..bc7d68b17eb1 100644
--- a/lib/libzfs/os/freebsd/libzfs_zmount.c
+++ b/lib/libzfs/os/freebsd/libzfs_zmount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/lib/libzfs/os/linux/libzfs_mount_os.c b/lib/libzfs/os/linux/libzfs_mount_os.c
index f0bf3dcc6c6b..585d22d9e5b3 100644
--- a/lib/libzfs/os/linux/libzfs_mount_os.c
+++ b/lib/libzfs/os/linux/libzfs_mount_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/os/linux/libzfs_pool_os.c b/lib/libzfs/os/linux/libzfs_pool_os.c
index 7b18e31c8674..aef169a3f880 100644
--- a/lib/libzfs/os/linux/libzfs_pool_os.c
+++ b/lib/libzfs/os/linux/libzfs_pool_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs/os/linux/libzfs_util_os.c b/lib/libzfs/os/linux/libzfs_util_os.c
index 99faae66833e..e750199cf9d0 100644
--- a/lib/libzfs/os/linux/libzfs_util_os.c
+++ b/lib/libzfs/os/linux/libzfs_util_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs_core/libzfs_core.c b/lib/libzfs_core/libzfs_core.c
index d07fca6cebad..4b1e797bf9c7 100644
--- a/lib/libzfs_core/libzfs_core.c
+++ b/lib/libzfs_core/libzfs_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs_core/os/freebsd/libzfs_core_ioctl.c b/lib/libzfs_core/os/freebsd/libzfs_core_ioctl.c
index 76778b36521c..b3b93dc91316 100644
--- a/lib/libzfs_core/os/freebsd/libzfs_core_ioctl.c
+++ b/lib/libzfs_core/os/freebsd/libzfs_core_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfs_core/os/linux/libzfs_core_ioctl.c b/lib/libzfs_core/os/linux/libzfs_core_ioctl.c
index 116cddfc45d3..ee76274c06b0 100644
--- a/lib/libzfs_core/os/linux/libzfs_core_ioctl.c
+++ b/lib/libzfs_core/os/linux/libzfs_core_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzfsbootenv/lzbe_device.c b/lib/libzfsbootenv/lzbe_device.c
index 894471a9bf35..f155960bfea0 100644
--- a/lib/libzfsbootenv/lzbe_device.c
+++ b/lib/libzfsbootenv/lzbe_device.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/lib/libzfsbootenv/lzbe_pair.c b/lib/libzfsbootenv/lzbe_pair.c
index b92225984517..3f576a569f28 100644
--- a/lib/libzfsbootenv/lzbe_pair.c
+++ b/lib/libzfsbootenv/lzbe_pair.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/lib/libzfsbootenv/lzbe_util.c b/lib/libzfsbootenv/lzbe_util.c
index 35e98549582e..fc60f698f3bc 100644
--- a/lib/libzfsbootenv/lzbe_util.c
+++ b/lib/libzfsbootenv/lzbe_util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/lib/libzpool/abd_os.c b/lib/libzpool/abd_os.c
index 8531b8f40ace..0d5795de143a 100644
--- a/lib/libzpool/abd_os.c
+++ b/lib/libzpool/abd_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/arc_os.c b/lib/libzpool/arc_os.c
index ed99322ddb05..6ad1a2bcda6e 100644
--- a/lib/libzpool/arc_os.c
+++ b/lib/libzpool/arc_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/include/sys/abd_impl_os.h b/lib/libzpool/include/sys/abd_impl_os.h
index 3137346f3bb2..dee95652c71c 100644
--- a/lib/libzpool/include/sys/abd_impl_os.h
+++ b/lib/libzpool/include/sys/abd_impl_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/include/sys/abd_os.h b/lib/libzpool/include/sys/abd_os.h
index 8ff6aa1e9e4f..80ce46e99a8e 100644
--- a/lib/libzpool/include/sys/abd_os.h
+++ b/lib/libzpool/include/sys/abd_os.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c
index 4f4cf490f8e9..653380149a9e 100644
--- a/lib/libzpool/kernel.c
+++ b/lib/libzpool/kernel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/taskq.c b/lib/libzpool/taskq.c
index 5fb2283cf0b1..0457de21fa18 100644
--- a/lib/libzpool/taskq.c
+++ b/lib/libzpool/taskq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/util.c b/lib/libzpool/util.c
index b9503d4e56d0..a297daedbd4d 100644
--- a/lib/libzpool/util.c
+++ b/lib/libzpool/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/vdev_label_os.c b/lib/libzpool/vdev_label_os.c
index c303cba6dc09..803840884b24 100644
--- a/lib/libzpool/vdev_label_os.c
+++ b/lib/libzpool/vdev_label_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/zfs_debug.c b/lib/libzpool/zfs_debug.c
index 82c7229932f0..3e5cff76abe9 100644
--- a/lib/libzpool/zfs_debug.c
+++ b/lib/libzpool/zfs_debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzpool/zfs_racct.c b/lib/libzpool/zfs_racct.c
index b1aff465c2e6..0f80907a5fa8 100644
--- a/lib/libzpool/zfs_racct.c
+++ b/lib/libzpool/zfs_racct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2021 iXsystems, Inc.
  *
diff --git a/lib/libzutil/os/freebsd/zutil_device_path_os.c b/lib/libzutil/os/freebsd/zutil_device_path_os.c
index 9c67d3af085a..6e348e8b6ec1 100644
--- a/lib/libzutil/os/freebsd/zutil_device_path_os.c
+++ b/lib/libzutil/os/freebsd/zutil_device_path_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/os/freebsd/zutil_import_os.c b/lib/libzutil/os/freebsd/zutil_import_os.c
index 049710d3985f..324ba1cf372b 100644
--- a/lib/libzutil/os/freebsd/zutil_import_os.c
+++ b/lib/libzutil/os/freebsd/zutil_import_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/os/linux/zutil_device_path_os.c b/lib/libzutil/os/linux/zutil_device_path_os.c
index 900d5e5bacd2..8ed062bf9b37 100644
--- a/lib/libzutil/os/linux/zutil_device_path_os.c
+++ b/lib/libzutil/os/linux/zutil_device_path_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/os/linux/zutil_import_os.c b/lib/libzutil/os/linux/zutil_import_os.c
index bb91dec5acff..2b2043889e68 100644
--- a/lib/libzutil/os/linux/zutil_import_os.c
+++ b/lib/libzutil/os/linux/zutil_import_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/os/linux/zutil_setproctitle.c b/lib/libzutil/os/linux/zutil_setproctitle.c
index e63acceb4f8e..fc727e29ce2a 100644
--- a/lib/libzutil/os/linux/zutil_setproctitle.c
+++ b/lib/libzutil/os/linux/zutil_setproctitle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * Copyright © 2013 Guillem Jover <guillem@hadrons.org>
  *
diff --git a/lib/libzutil/zutil_device_path.c b/lib/libzutil/zutil_device_path.c
index 0425018e1022..18b223b72c62 100644
--- a/lib/libzutil/zutil_device_path.c
+++ b/lib/libzutil/zutil_device_path.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/zutil_import.c b/lib/libzutil/zutil_import.c
index 77fa0ce38b2a..ccdc874076c3 100644
--- a/lib/libzutil/zutil_import.c
+++ b/lib/libzutil/zutil_import.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/zutil_import.h b/lib/libzutil/zutil_import.h
index da7941fa5307..0c140c226b03 100644
--- a/lib/libzutil/zutil_import.h
+++ b/lib/libzutil/zutil_import.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/zutil_nicenum.c b/lib/libzutil/zutil_nicenum.c
index e05bcb40a8ce..44d68e85d0db 100644
--- a/lib/libzutil/zutil_nicenum.c
+++ b/lib/libzutil/zutil_nicenum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/lib/libzutil/zutil_pool.c b/lib/libzutil/zutil_pool.c
index 86460de3fc61..2aacfa53b5e0 100644
--- a/lib/libzutil/zutil_pool.c
+++ b/lib/libzutil/zutil_pool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/man/man1/arcstat.1 b/man/man1/arcstat.1
index 019a8270204a..f2474fbb701f 100644
--- a/man/man1/arcstat.1
+++ b/man/man1/arcstat.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file and its contents are supplied under the terms of the
 .\" Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/man/man1/cstyle.1 b/man/man1/cstyle.1
index 726db298437e..241c82edd5a8 100644
--- a/man/man1/cstyle.1
+++ b/man/man1/cstyle.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\" Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 .\" Use is subject to license terms.
 .\"
diff --git a/man/man1/raidz_test.1 b/man/man1/raidz_test.1
index d027230d0dc9..1f7069f68286 100644
--- a/man/man1/raidz_test.1
+++ b/man/man1/raidz_test.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man1/test-runner.1 b/man/man1/test-runner.1
index 5bdb4d887e10..be06e2990a15 100644
--- a/man/man1/test-runner.1
+++ b/man/man1/test-runner.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file and its contents are supplied under the terms of the
 .\" Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/man/man1/zhack.1 b/man/man1/zhack.1
index 937f1e9168c2..f58c0527649b 100644
--- a/man/man1/zhack.1
+++ b/man/man1/zhack.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man1/ztest.1 b/man/man1/ztest.1
index bbbe751ca01d..6dad1937ebb7 100644
--- a/man/man1/ztest.1
+++ b/man/man1/ztest.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man1/zvol_wait.1 b/man/man1/zvol_wait.1
index 0fb47ce73481..7f3bbc7829ce 100644
--- a/man/man1/zvol_wait.1
+++ b/man/man1/zvol_wait.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file and its contents are supplied under the terms of the
 .\" Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/man/man4/spl.4 b/man/man4/spl.4
index 22832c492db8..278e003e2364 100644
--- a/man/man4/spl.4
+++ b/man/man4/spl.4
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" The contents of this file are subject to the terms of the Common Development
 .\" and Distribution License (the "License").  You may not use this file except
diff --git a/man/man4/zfs.4 b/man/man4/zfs.4
index 9d83357fcc6d..d3ee26da83b2 100644
--- a/man/man4/zfs.4
+++ b/man/man4/zfs.4
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" Copyright (c) 2013 by Turbo Fredriksson <turbo@bayour.com>. All rights reserved.
 .\" Copyright (c) 2019, 2021 by Delphix. All rights reserved.
diff --git a/man/man5/vdev_id.conf.5 b/man/man5/vdev_id.conf.5
index aaf91825a6c6..d2f817631c15 100644
--- a/man/man5/vdev_id.conf.5
+++ b/man/man5/vdev_id.conf.5
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file and its contents are supplied under the terms of the
 .\" Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/man/man7/dracut.zfs.7 b/man/man7/dracut.zfs.7
index b67e1cecb240..fb5da553af6e 100644
--- a/man/man7/dracut.zfs.7
+++ b/man/man7/dracut.zfs.7
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\" SPDX-License-Identifier: 0BSD
 .\"
 .Dd March 28, 2023
diff --git a/man/man7/vdevprops.7 b/man/man7/vdevprops.7
index e9fe8898492a..209582e34d70 100644
--- a/man/man7/vdevprops.7
+++ b/man/man7/vdevprops.7
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man7/zfsconcepts.7 b/man/man7/zfsconcepts.7
index 1d2dff7e4865..5c736e53670d 100644
--- a/man/man7/zfsconcepts.7
+++ b/man/man7/zfsconcepts.7
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man7/zfsprops.7 b/man/man7/zfsprops.7
index 06e2797968ea..8626fa3d2d4a 100644
--- a/man/man7/zfsprops.7
+++ b/man/man7/zfsprops.7
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man7/zpool-features.7 b/man/man7/zpool-features.7
index 2f87236c762d..05293ecb42e1 100644
--- a/man/man7/zpool-features.7
+++ b/man/man7/zpool-features.7
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" Copyright (c) 2012, 2018 by Delphix. All rights reserved.
 .\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
diff --git a/man/man7/zpoolconcepts.7 b/man/man7/zpoolconcepts.7
index 18dfca6dc8ac..16afb175d37e 100644
--- a/man/man7/zpoolconcepts.7
+++ b/man/man7/zpoolconcepts.7
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man7/zpoolprops.7 b/man/man7/zpoolprops.7
index 7c0dd4caad3e..5d84753193ee 100644
--- a/man/man7/zpoolprops.7
+++ b/man/man7/zpoolprops.7
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/fsck.zfs.8 b/man/man8/fsck.zfs.8
index 57d41f61d299..624c797b5f02 100644
--- a/man/man8/fsck.zfs.8
+++ b/man/man8/fsck.zfs.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/mount.zfs.8 b/man/man8/mount.zfs.8
index 0840ac531c63..a3686cd64f80 100644
--- a/man/man8/mount.zfs.8
+++ b/man/man8/mount.zfs.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/vdev_id.8 b/man/man8/vdev_id.8
index 96f8d9c08543..8e6b07dfc1e3 100644
--- a/man/man8/vdev_id.8
+++ b/man/man8/vdev_id.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file and its contents are supplied under the terms of the
 .\" Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/man/man8/zdb.8 b/man/man8/zdb.8
index ae35454ad083..8bfd0dcdc381 100644
--- a/man/man8/zdb.8
+++ b/man/man8/zdb.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file and its contents are supplied under the terms of the
 .\" Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/man/man8/zed.8.in b/man/man8/zed.8.in
index 1bbca05e385d..a00a93c50da5 100644
--- a/man/man8/zed.8.in
+++ b/man/man8/zed.8.in
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file is part of the ZFS Event Daemon (ZED).
 .\" Developed at Lawrence Livermore National Laboratory (LLNL-CODE-403049).
diff --git a/man/man8/zfs-allow.8 b/man/man8/zfs-allow.8
index d26984317c2e..04db5e2e187f 100644
--- a/man/man8/zfs-allow.8
+++ b/man/man8/zfs-allow.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-bookmark.8 b/man/man8/zfs-bookmark.8
index 01364b0f5052..083ff46d241b 100644
--- a/man/man8/zfs-bookmark.8
+++ b/man/man8/zfs-bookmark.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-clone.8 b/man/man8/zfs-clone.8
index fee629951c36..cd412815f5fe 100644
--- a/man/man8/zfs-clone.8
+++ b/man/man8/zfs-clone.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-create.8 b/man/man8/zfs-create.8
index b3997d32767c..91878056cc7d 100644
--- a/man/man8/zfs-create.8
+++ b/man/man8/zfs-create.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-destroy.8 b/man/man8/zfs-destroy.8
index 97596b28444b..38359be02430 100644
--- a/man/man8/zfs-destroy.8
+++ b/man/man8/zfs-destroy.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-diff.8 b/man/man8/zfs-diff.8
index 16aa20969f91..d4c48f4109be 100644
--- a/man/man8/zfs-diff.8
+++ b/man/man8/zfs-diff.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-hold.8 b/man/man8/zfs-hold.8
index 4bc36cb47fc2..3895acab3fa4 100644
--- a/man/man8/zfs-hold.8
+++ b/man/man8/zfs-hold.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-jail.8 b/man/man8/zfs-jail.8
index 53a1ccef7746..53499a279d05 100644
--- a/man/man8/zfs-jail.8
+++ b/man/man8/zfs-jail.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-list.8 b/man/man8/zfs-list.8
index 0fa7e9cc2613..677d8292e207 100644
--- a/man/man8/zfs-list.8
+++ b/man/man8/zfs-list.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-load-key.8 b/man/man8/zfs-load-key.8
index f68d6e985a78..7838c46d9e77 100644
--- a/man/man8/zfs-load-key.8
+++ b/man/man8/zfs-load-key.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-mount-generator.8.in b/man/man8/zfs-mount-generator.8.in
index be60ea68f960..ea470247daac 100644
--- a/man/man8/zfs-mount-generator.8.in
+++ b/man/man8/zfs-mount-generator.8.in
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: MIT
 .\"
 .\" Copyright 2018 Antonio Russo <antonio.e.russo@gmail.com>
 .\" Copyright 2019 Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
diff --git a/man/man8/zfs-mount.8 b/man/man8/zfs-mount.8
index 921e2499e31b..9fca6fffd5bb 100644
--- a/man/man8/zfs-mount.8
+++ b/man/man8/zfs-mount.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-program.8 b/man/man8/zfs-program.8
index 460cd2e11cf3..710142d1e76e 100644
--- a/man/man8/zfs-program.8
+++ b/man/man8/zfs-program.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" This file and its contents are supplied under the terms of the
 .\" Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/man/man8/zfs-project.8 b/man/man8/zfs-project.8
index 12f503124038..36547680f53e 100644
--- a/man/man8/zfs-project.8
+++ b/man/man8/zfs-project.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-promote.8 b/man/man8/zfs-promote.8
index cdb04d05de18..767045812607 100644
--- a/man/man8/zfs-promote.8
+++ b/man/man8/zfs-promote.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-receive.8 b/man/man8/zfs-receive.8
index a15f2cbe9450..a56b46941ef4 100644
--- a/man/man8/zfs-receive.8
+++ b/man/man8/zfs-receive.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-rename.8 b/man/man8/zfs-rename.8
index cb1dfc995d5b..4cf192c0682b 100644
--- a/man/man8/zfs-rename.8
+++ b/man/man8/zfs-rename.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-rollback.8 b/man/man8/zfs-rollback.8
index c12c564ef671..4b046f591f9e 100644
--- a/man/man8/zfs-rollback.8
+++ b/man/man8/zfs-rollback.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-send.8 b/man/man8/zfs-send.8
index 877d954147b6..a05e674586fe 100644
--- a/man/man8/zfs-send.8
+++ b/man/man8/zfs-send.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-set.8 b/man/man8/zfs-set.8
index f1718608b44b..67f4d6eba171 100644
--- a/man/man8/zfs-set.8
+++ b/man/man8/zfs-set.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-share.8 b/man/man8/zfs-share.8
index 52087f0b9220..f7a09a189182 100644
--- a/man/man8/zfs-share.8
+++ b/man/man8/zfs-share.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-snapshot.8 b/man/man8/zfs-snapshot.8
index a0c164dd02cb..3ddd1273c8e8 100644
--- a/man/man8/zfs-snapshot.8
+++ b/man/man8/zfs-snapshot.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-upgrade.8 b/man/man8/zfs-upgrade.8
index 2744b07424d5..bac74e37aef9 100644
--- a/man/man8/zfs-upgrade.8
+++ b/man/man8/zfs-upgrade.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-userspace.8 b/man/man8/zfs-userspace.8
index 4bd7bb7cbef6..d7a4d18e83b1 100644
--- a/man/man8/zfs-userspace.8
+++ b/man/man8/zfs-userspace.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-wait.8 b/man/man8/zfs-wait.8
index 9d1f24f195b7..554a67455c60 100644
--- a/man/man8/zfs-wait.8
+++ b/man/man8/zfs-wait.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs-zone.8 b/man/man8/zfs-zone.8
index 0ee4409a2f17..7ad0ac89463c 100644
--- a/man/man8/zfs-zone.8
+++ b/man/man8/zfs-zone.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs.8 b/man/man8/zfs.8
index ca4c884f8ac0..5bdeb7f9e455 100644
--- a/man/man8/zfs.8
+++ b/man/man8/zfs.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs_ids_to_path.8 b/man/man8/zfs_ids_to_path.8
index ba093d1cf913..eef0ce68f17b 100644
--- a/man/man8/zfs_ids_to_path.8
+++ b/man/man8/zfs_ids_to_path.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zfs_prepare_disk.8.in b/man/man8/zfs_prepare_disk.8.in
index 2a741531e415..944f7c9e7023 100644
--- a/man/man8/zfs_prepare_disk.8.in
+++ b/man/man8/zfs_prepare_disk.8.in
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" Developed at Lawrence Livermore National Laboratory (LLNL-CODE-403049).
 .\" Copyright (C) 2023 Lawrence Livermore National Security, LLC.
diff --git a/man/man8/zgenhostid.8 b/man/man8/zgenhostid.8
index f7f2bdb4ac53..2b5b4fc18216 100644
--- a/man/man8/zgenhostid.8
+++ b/man/man8/zgenhostid.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zinject.8 b/man/man8/zinject.8
index 53461681bb1d..1d9e43aed5ec 100644
--- a/man/man8/zinject.8
+++ b/man/man8/zinject.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-add.8 b/man/man8/zpool-add.8
index 60b35f1a511a..9d46fcf332e9 100644
--- a/man/man8/zpool-add.8
+++ b/man/man8/zpool-add.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\" CDDL HEADER START
 .\"
 .\" The contents of this file are subject to the terms of the
diff --git a/man/man8/zpool-attach.8 b/man/man8/zpool-attach.8
index 22b1369b6853..fc7022f0a7ab 100644
--- a/man/man8/zpool-attach.8
+++ b/man/man8/zpool-attach.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-checkpoint.8 b/man/man8/zpool-checkpoint.8
index 7900b323822f..d97d10d5df6e 100644
--- a/man/man8/zpool-checkpoint.8
+++ b/man/man8/zpool-checkpoint.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-clear.8 b/man/man8/zpool-clear.8
index 3e448be87fc2..19cd4be36408 100644
--- a/man/man8/zpool-clear.8
+++ b/man/man8/zpool-clear.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-create.8 b/man/man8/zpool-create.8
index 8449520944fb..490c67629a20 100644
--- a/man/man8/zpool-create.8
+++ b/man/man8/zpool-create.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-ddtprune.8 b/man/man8/zpool-ddtprune.8
index 1ab7d3982c3e..2103d274d0fb 100644
--- a/man/man8/zpool-ddtprune.8
+++ b/man/man8/zpool-ddtprune.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-destroy.8 b/man/man8/zpool-destroy.8
index b1ac18c8b4fd..f49f29804ad7 100644
--- a/man/man8/zpool-destroy.8
+++ b/man/man8/zpool-destroy.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-detach.8 b/man/man8/zpool-detach.8
index 3d5ca9f146ad..ae02dbc2d5b8 100644
--- a/man/man8/zpool-detach.8
+++ b/man/man8/zpool-detach.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-events.8 b/man/man8/zpool-events.8
index 01f849845bd9..d4e820fc58df 100644
--- a/man/man8/zpool-events.8
+++ b/man/man8/zpool-events.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-export.8 b/man/man8/zpool-export.8
index 4fed98cfe278..171a7541c6d2 100644
--- a/man/man8/zpool-export.8
+++ b/man/man8/zpool-export.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-get.8 b/man/man8/zpool-get.8
index 1be83526d22d..1d6d1f08afa6 100644
--- a/man/man8/zpool-get.8
+++ b/man/man8/zpool-get.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-history.8 b/man/man8/zpool-history.8
index c6aa8884e598..f15086eabc47 100644
--- a/man/man8/zpool-history.8
+++ b/man/man8/zpool-history.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-import.8 b/man/man8/zpool-import.8
index dab6e1f55771..9076f5c34929 100644
--- a/man/man8/zpool-import.8
+++ b/man/man8/zpool-import.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-initialize.8 b/man/man8/zpool-initialize.8
index e0bdcb6f6515..d7c9d22aba97 100644
--- a/man/man8/zpool-initialize.8
+++ b/man/man8/zpool-initialize.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-iostat.8 b/man/man8/zpool-iostat.8
index e1d2a4b4ff1c..d8c21d0cfc6c 100644
--- a/man/man8/zpool-iostat.8
+++ b/man/man8/zpool-iostat.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-labelclear.8 b/man/man8/zpool-labelclear.8
index 3d7b60b5587d..ba3d1509aa75 100644
--- a/man/man8/zpool-labelclear.8
+++ b/man/man8/zpool-labelclear.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-list.8 b/man/man8/zpool-list.8
index 6d3478a68711..b720e203c1c9 100644
--- a/man/man8/zpool-list.8
+++ b/man/man8/zpool-list.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-offline.8 b/man/man8/zpool-offline.8
index 1b6095d63709..49b1f34ad5d5 100644
--- a/man/man8/zpool-offline.8
+++ b/man/man8/zpool-offline.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-prefetch.8 b/man/man8/zpool-prefetch.8
index 57445bd4a655..a36ad52e681e 100644
--- a/man/man8/zpool-prefetch.8
+++ b/man/man8/zpool-prefetch.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-reguid.8 b/man/man8/zpool-reguid.8
index 4fda3f316e3b..77101fc07326 100644
--- a/man/man8/zpool-reguid.8
+++ b/man/man8/zpool-reguid.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-remove.8 b/man/man8/zpool-remove.8
index 00216b65a8d7..e8d6bdc699f1 100644
--- a/man/man8/zpool-remove.8
+++ b/man/man8/zpool-remove.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-reopen.8 b/man/man8/zpool-reopen.8
index 5cf7c8635211..594cff3d16d8 100644
--- a/man/man8/zpool-reopen.8
+++ b/man/man8/zpool-reopen.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-replace.8 b/man/man8/zpool-replace.8
index ba897ea704b9..a2a42f5df796 100644
--- a/man/man8/zpool-replace.8
+++ b/man/man8/zpool-replace.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-resilver.8 b/man/man8/zpool-resilver.8
index 420f9bcb5608..2161d77f62ed 100644
--- a/man/man8/zpool-resilver.8
+++ b/man/man8/zpool-resilver.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-scrub.8 b/man/man8/zpool-scrub.8
index 676286b038da..21bd6735ede4 100644
--- a/man/man8/zpool-scrub.8
+++ b/man/man8/zpool-scrub.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-split.8 b/man/man8/zpool-split.8
index 6bbe49248529..a67c865cf30c 100644
--- a/man/man8/zpool-split.8
+++ b/man/man8/zpool-split.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-status.8 b/man/man8/zpool-status.8
index 5c62f764fffd..10d7ff973788 100644
--- a/man/man8/zpool-status.8
+++ b/man/man8/zpool-status.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-sync.8 b/man/man8/zpool-sync.8
index 33800c5793dc..8f438f363e83 100644
--- a/man/man8/zpool-sync.8
+++ b/man/man8/zpool-sync.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-trim.8 b/man/man8/zpool-trim.8
index 7eeaf2de3dc4..06cbd5abf7eb 100644
--- a/man/man8/zpool-trim.8
+++ b/man/man8/zpool-trim.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-upgrade.8 b/man/man8/zpool-upgrade.8
index 1c87630b5e6c..20632ae4bba0 100644
--- a/man/man8/zpool-upgrade.8
+++ b/man/man8/zpool-upgrade.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool-wait.8 b/man/man8/zpool-wait.8
index 50f947bab603..0ffb4badfb7b 100644
--- a/man/man8/zpool-wait.8
+++ b/man/man8/zpool-wait.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool.8 b/man/man8/zpool.8
index b54a92f96151..115b55471745 100644
--- a/man/man8/zpool.8
+++ b/man/man8/zpool.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zpool_influxdb.8 b/man/man8/zpool_influxdb.8
index 021fbdeaac8a..9ee294dbbecc 100644
--- a/man/man8/zpool_influxdb.8
+++ b/man/man8/zpool_influxdb.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/man/man8/zstream.8 b/man/man8/zstream.8
index c09a20ad20b6..03a8479c9e6a 100644
--- a/man/man8/zstream.8
+++ b/man/man8/zstream.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: CDDL-1.0
 .\"
 .\" CDDL HEADER START
 .\"
diff --git a/module/avl/avl.c b/module/avl/avl.c
index 9b74531fa9f7..b6c1c02bc3f2 100644
--- a/module/avl/avl.c
+++ b/module/avl/avl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/aes/aes_impl.c b/module/icp/algs/aes/aes_impl.c
index 9daa975226fe..3c17c366fb5d 100644
--- a/module/icp/algs/aes/aes_impl.c
+++ b/module/icp/algs/aes/aes_impl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/aes/aes_impl_aesni.c b/module/icp/algs/aes/aes_impl_aesni.c
index 61085214c77b..1dbcb3b7133a 100644
--- a/module/icp/algs/aes/aes_impl_aesni.c
+++ b/module/icp/algs/aes/aes_impl_aesni.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/aes/aes_impl_generic.c b/module/icp/algs/aes/aes_impl_generic.c
index ae13c0b85578..c363dd888190 100644
--- a/module/icp/algs/aes/aes_impl_generic.c
+++ b/module/icp/algs/aes/aes_impl_generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/aes/aes_impl_x86-64.c b/module/icp/algs/aes/aes_impl_x86-64.c
index f4f206a00935..d2f02f219809 100644
--- a/module/icp/algs/aes/aes_impl_x86-64.c
+++ b/module/icp/algs/aes/aes_impl_x86-64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/aes/aes_modes.c b/module/icp/algs/aes/aes_modes.c
index 631e92f3542e..b2ddf445197c 100644
--- a/module/icp/algs/aes/aes_modes.c
+++ b/module/icp/algs/aes/aes_modes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/blake3/blake3.c b/module/icp/algs/blake3/blake3.c
index 0bab7a3a7593..e0a1e66db8ba 100644
--- a/module/icp/algs/blake3/blake3.c
+++ b/module/icp/algs/blake3/blake3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/blake3/blake3_generic.c b/module/icp/algs/blake3/blake3_generic.c
index fbe184969672..ca8956a60a42 100644
--- a/module/icp/algs/blake3/blake3_generic.c
+++ b/module/icp/algs/blake3/blake3_generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/blake3/blake3_impl.c b/module/icp/algs/blake3/blake3_impl.c
index f3f48c2dfa1a..50c2df0d5549 100644
--- a/module/icp/algs/blake3/blake3_impl.c
+++ b/module/icp/algs/blake3/blake3_impl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/blake3/blake3_impl.h b/module/icp/algs/blake3/blake3_impl.h
index 90d508fac08f..fb872281047d 100644
--- a/module/icp/algs/blake3/blake3_impl.h
+++ b/module/icp/algs/blake3/blake3_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/edonr/edonr.c b/module/icp/algs/edonr/edonr.c
index d17a40cefcb8..ac4e10d4d4d3 100644
--- a/module/icp/algs/edonr/edonr.c
+++ b/module/icp/algs/edonr/edonr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/modes/ccm.c b/module/icp/algs/modes/ccm.c
index 1371676d6e68..0a7a5091fd23 100644
--- a/module/icp/algs/modes/ccm.c
+++ b/module/icp/algs/modes/ccm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/modes/gcm.c b/module/icp/algs/modes/gcm.c
index 21f4301d584d..0a14be5a79bb 100644
--- a/module/icp/algs/modes/gcm.c
+++ b/module/icp/algs/modes/gcm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/modes/gcm_generic.c b/module/icp/algs/modes/gcm_generic.c
index 84e26d09cdcf..6eb0218db729 100644
--- a/module/icp/algs/modes/gcm_generic.c
+++ b/module/icp/algs/modes/gcm_generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/modes/gcm_pclmulqdq.c b/module/icp/algs/modes/gcm_pclmulqdq.c
index 737d2e47ecb7..30653589fcef 100644
--- a/module/icp/algs/modes/gcm_pclmulqdq.c
+++ b/module/icp/algs/modes/gcm_pclmulqdq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/modes/modes.c b/module/icp/algs/modes/modes.c
index 786a89f10c90..3687131c561d 100644
--- a/module/icp/algs/modes/modes.c
+++ b/module/icp/algs/modes/modes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/sha2/sha256_impl.c b/module/icp/algs/sha2/sha256_impl.c
index 0f24319511d7..6d3bcca9f995 100644
--- a/module/icp/algs/sha2/sha256_impl.c
+++ b/module/icp/algs/sha2/sha256_impl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/sha2/sha2_generic.c b/module/icp/algs/sha2/sha2_generic.c
index d53f4b69990a..d0fcca798fa9 100644
--- a/module/icp/algs/sha2/sha2_generic.c
+++ b/module/icp/algs/sha2/sha2_generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/sha2/sha512_impl.c b/module/icp/algs/sha2/sha512_impl.c
index 6291fbd77e36..2efd9fcf4c99 100644
--- a/module/icp/algs/sha2/sha512_impl.c
+++ b/module/icp/algs/sha2/sha512_impl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/algs/skein/skein.c b/module/icp/algs/skein/skein.c
index 41ed2dd44e9e..1bbf87a1d757 100644
--- a/module/icp/algs/skein/skein.c
+++ b/module/icp/algs/skein/skein.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
 /*
  * Implementation of the Skein hash function.
  * Source code author: Doug Whiting, 2008.
diff --git a/module/icp/algs/skein/skein_block.c b/module/icp/algs/skein/skein_block.c
index 3ad52da5f6a3..95355e9d4107 100644
--- a/module/icp/algs/skein/skein_block.c
+++ b/module/icp/algs/skein/skein_block.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
 /*
  * Implementation of the Skein block functions.
  * Source code author: Doug Whiting, 2008.
diff --git a/module/icp/algs/skein/skein_impl.h b/module/icp/algs/skein/skein_impl.h
index eff19ce83f81..55463b8cb6a1 100644
--- a/module/icp/algs/skein/skein_impl.h
+++ b/module/icp/algs/skein/skein_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
 /*
  * Internal definitions for Skein hashing.
  * Source code author: Doug Whiting, 2008.
diff --git a/module/icp/algs/skein/skein_iv.c b/module/icp/algs/skein/skein_iv.c
index 84cefe4546ca..19e10e56c393 100644
--- a/module/icp/algs/skein/skein_iv.c
+++ b/module/icp/algs/skein/skein_iv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
 /*
  * Pre-computed Skein IVs
  *
diff --git a/module/icp/algs/skein/skein_port.h b/module/icp/algs/skein/skein_port.h
index 96d1266d019e..3339aac07427 100644
--- a/module/icp/algs/skein/skein_port.h
+++ b/module/icp/algs/skein/skein_port.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
 /*
  * Platform-specific definitions for Skein hash function.
  *
diff --git a/module/icp/api/kcf_cipher.c b/module/icp/api/kcf_cipher.c
index 4bea46807197..04f1b2b8fa51 100644
--- a/module/icp/api/kcf_cipher.c
+++ b/module/icp/api/kcf_cipher.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/api/kcf_ctxops.c b/module/icp/api/kcf_ctxops.c
index b8cd67ea7f67..359b5a644888 100644
--- a/module/icp/api/kcf_ctxops.c
+++ b/module/icp/api/kcf_ctxops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/api/kcf_mac.c b/module/icp/api/kcf_mac.c
index 287467e68350..52ebea0264ab 100644
--- a/module/icp/api/kcf_mac.c
+++ b/module/icp/api/kcf_mac.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-aarch64/blake3/b3_aarch64_sse2.S b/module/icp/asm-aarch64/blake3/b3_aarch64_sse2.S
index fefebf08116e..19fd94921456 100644
--- a/module/icp/asm-aarch64/blake3/b3_aarch64_sse2.S
+++ b/module/icp/asm-aarch64/blake3/b3_aarch64_sse2.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-aarch64/blake3/b3_aarch64_sse41.S b/module/icp/asm-aarch64/blake3/b3_aarch64_sse41.S
index 1ad6cefc6d06..a7dc13d1e2cd 100644
--- a/module/icp/asm-aarch64/blake3/b3_aarch64_sse41.S
+++ b/module/icp/asm-aarch64/blake3/b3_aarch64_sse41.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-aarch64/sha2/sha256-armv8.S b/module/icp/asm-aarch64/sha2/sha256-armv8.S
index 4dcdd3b65d0b..9298f13ba262 100644
--- a/module/icp/asm-aarch64/sha2/sha256-armv8.S
+++ b/module/icp/asm-aarch64/sha2/sha256-armv8.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-aarch64/sha2/sha512-armv8.S b/module/icp/asm-aarch64/sha2/sha512-armv8.S
index f6c8f7742912..fbc075be1420 100644
--- a/module/icp/asm-aarch64/sha2/sha512-armv8.S
+++ b/module/icp/asm-aarch64/sha2/sha512-armv8.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-arm/sha2/sha256-armv7.S b/module/icp/asm-arm/sha2/sha256-armv7.S
index 3ae66626df31..30b1701df058 100644
--- a/module/icp/asm-arm/sha2/sha256-armv7.S
+++ b/module/icp/asm-arm/sha2/sha256-armv7.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-arm/sha2/sha512-armv7.S b/module/icp/asm-arm/sha2/sha512-armv7.S
index 66d7dd3cf0f7..f9fdb6f33a40 100644
--- a/module/icp/asm-arm/sha2/sha512-armv7.S
+++ b/module/icp/asm-arm/sha2/sha512-armv7.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-ppc64/blake3/b3_ppc64le_sse2.S b/module/icp/asm-ppc64/blake3/b3_ppc64le_sse2.S
index ae8d0fad7c83..60087ebd609c 100644
--- a/module/icp/asm-ppc64/blake3/b3_ppc64le_sse2.S
+++ b/module/icp/asm-ppc64/blake3/b3_ppc64le_sse2.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-ppc64/blake3/b3_ppc64le_sse41.S b/module/icp/asm-ppc64/blake3/b3_ppc64le_sse41.S
index 315561d4497a..883c7a84b829 100644
--- a/module/icp/asm-ppc64/blake3/b3_ppc64le_sse41.S
+++ b/module/icp/asm-ppc64/blake3/b3_ppc64le_sse41.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-ppc64/sha2/sha256-p8.S b/module/icp/asm-ppc64/sha2/sha256-p8.S
index dc3c4cea669c..988cf0cbbbac 100644
--- a/module/icp/asm-ppc64/sha2/sha256-p8.S
+++ b/module/icp/asm-ppc64/sha2/sha256-p8.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-ppc64/sha2/sha256-ppc.S b/module/icp/asm-ppc64/sha2/sha256-ppc.S
index d039bc36ee11..60afe40d4f47 100644
--- a/module/icp/asm-ppc64/sha2/sha256-ppc.S
+++ b/module/icp/asm-ppc64/sha2/sha256-ppc.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-ppc64/sha2/sha512-p8.S b/module/icp/asm-ppc64/sha2/sha512-p8.S
index 2409c53385d6..e8d73e6a5e55 100644
--- a/module/icp/asm-ppc64/sha2/sha512-p8.S
+++ b/module/icp/asm-ppc64/sha2/sha512-p8.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-ppc64/sha2/sha512-ppc.S b/module/icp/asm-ppc64/sha2/sha512-ppc.S
index 57213f68abc5..12af06792ccf 100644
--- a/module/icp/asm-ppc64/sha2/sha512-ppc.S
+++ b/module/icp/asm-ppc64/sha2/sha512-ppc.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-x86_64/aes/aes_aesni.S b/module/icp/asm-x86_64/aes/aes_aesni.S
index 4f3fe3ec65d6..b8ab937949e6 100644
--- a/module/icp/asm-x86_64/aes/aes_aesni.S
+++ b/module/icp/asm-x86_64/aes/aes_aesni.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: OpenSSL-standalone
 /*
  * ====================================================================
  * Written by Intel Corporation for the OpenSSL project to add support
diff --git a/module/icp/asm-x86_64/aes/aes_amd64.S b/module/icp/asm-x86_64/aes/aes_amd64.S
index c4870a28ead6..8129130cb8a1 100644
--- a/module/icp/asm-x86_64/aes/aes_amd64.S
+++ b/module/icp/asm-x86_64/aes/aes_amd64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Brian-Gladman-3-Clause
 /*
  * ---------------------------------------------------------------------------
  * Copyright (c) 1998-2007, Brian Gladman, Worcester, UK. All rights reserved.
diff --git a/module/icp/asm-x86_64/aes/aeskey.c b/module/icp/asm-x86_64/aes/aeskey.c
index c3d1f2990874..b12a5d60d397 100644
--- a/module/icp/asm-x86_64/aes/aeskey.c
+++ b/module/icp/asm-x86_64/aes/aeskey.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Brian-Gladman-3-Clause
 /*
  * ---------------------------------------------------------------------------
  * Copyright (c) 1998-2007, Brian Gladman, Worcester, UK. All rights reserved.
diff --git a/module/icp/asm-x86_64/aes/aesopt.h b/module/icp/asm-x86_64/aes/aesopt.h
index 472111f96e59..5741d5592702 100644
--- a/module/icp/asm-x86_64/aes/aesopt.h
+++ b/module/icp/asm-x86_64/aes/aesopt.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Brian-Gladman-3-Clause
 /*
  * ---------------------------------------------------------------------------
  * Copyright (c) 1998-2007, Brian Gladman, Worcester, UK. All rights reserved.
diff --git a/module/icp/asm-x86_64/aes/aestab.h b/module/icp/asm-x86_64/aes/aestab.h
index 33cdb6c6f9fe..033cac85f4b5 100644
--- a/module/icp/asm-x86_64/aes/aestab.h
+++ b/module/icp/asm-x86_64/aes/aestab.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Brian-Gladman-3-Clause
 /*
  * ---------------------------------------------------------------------------
  * Copyright (c) 1998-2007, Brian Gladman, Worcester, UK. All rights reserved.
diff --git a/module/icp/asm-x86_64/aes/aestab2.h b/module/icp/asm-x86_64/aes/aestab2.h
index 003534e0fa50..bdc4256c54da 100644
--- a/module/icp/asm-x86_64/aes/aestab2.h
+++ b/module/icp/asm-x86_64/aes/aestab2.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-x86_64/blake3/blake3_avx2.S b/module/icp/asm-x86_64/blake3/blake3_avx2.S
index 0ebec5c1095e..6edd59e6e668 100644
--- a/module/icp/asm-x86_64/blake3/blake3_avx2.S
+++ b/module/icp/asm-x86_64/blake3/blake3_avx2.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-x86_64/blake3/blake3_avx512.S b/module/icp/asm-x86_64/blake3/blake3_avx512.S
index 39830f1556bb..56af3e152bb8 100644
--- a/module/icp/asm-x86_64/blake3/blake3_avx512.S
+++ b/module/icp/asm-x86_64/blake3/blake3_avx512.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-x86_64/blake3/blake3_sse2.S b/module/icp/asm-x86_64/blake3/blake3_sse2.S
index 78c4ffac53a8..6d9c67206806 100644
--- a/module/icp/asm-x86_64/blake3/blake3_sse2.S
+++ b/module/icp/asm-x86_64/blake3/blake3_sse2.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-x86_64/blake3/blake3_sse41.S b/module/icp/asm-x86_64/blake3/blake3_sse41.S
index 8ee7be75a0e1..eb46096228ce 100644
--- a/module/icp/asm-x86_64/blake3/blake3_sse41.S
+++ b/module/icp/asm-x86_64/blake3/blake3_sse41.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-x86_64/modes/aesni-gcm-x86_64.S b/module/icp/asm-x86_64/modes/aesni-gcm-x86_64.S
index 909b2147dff9..6ff3490d391d 100644
--- a/module/icp/asm-x86_64/modes/aesni-gcm-x86_64.S
+++ b/module/icp/asm-x86_64/modes/aesni-gcm-x86_64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 # Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved.
 #
 # Licensed under the Apache License 2.0 (the "License").  You may not use
diff --git a/module/icp/asm-x86_64/modes/gcm_pclmulqdq.S b/module/icp/asm-x86_64/modes/gcm_pclmulqdq.S
index dec782fda33e..f5d3b3362feb 100644
--- a/module/icp/asm-x86_64/modes/gcm_pclmulqdq.S
+++ b/module/icp/asm-x86_64/modes/gcm_pclmulqdq.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/asm-x86_64/modes/ghash-x86_64.S b/module/icp/asm-x86_64/modes/ghash-x86_64.S
index f62e056d4b64..319caa4e190b 100644
--- a/module/icp/asm-x86_64/modes/ghash-x86_64.S
+++ b/module/icp/asm-x86_64/modes/ghash-x86_64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 # Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
 #
 # Licensed under the Apache License 2.0 (the "License").  You may not use
diff --git a/module/icp/asm-x86_64/sha2/sha256-x86_64.S b/module/icp/asm-x86_64/sha2/sha256-x86_64.S
index d3e5e3f0d080..f19f7b471541 100644
--- a/module/icp/asm-x86_64/sha2/sha256-x86_64.S
+++ b/module/icp/asm-x86_64/sha2/sha256-x86_64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/asm-x86_64/sha2/sha512-x86_64.S b/module/icp/asm-x86_64/sha2/sha512-x86_64.S
index fbbcca650d10..a5111d501089 100644
--- a/module/icp/asm-x86_64/sha2/sha512-x86_64.S
+++ b/module/icp/asm-x86_64/sha2/sha512-x86_64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
  * Copyright 2004-2022 The OpenSSL Project Authors. All Rights Reserved.
  *
diff --git a/module/icp/core/kcf_callprov.c b/module/icp/core/kcf_callprov.c
index b1822dd5b878..2bd014efcc63 100644
--- a/module/icp/core/kcf_callprov.c
+++ b/module/icp/core/kcf_callprov.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/core/kcf_mech_tabs.c b/module/icp/core/kcf_mech_tabs.c
index a1e95847d066..a082e858784a 100644
--- a/module/icp/core/kcf_mech_tabs.c
+++ b/module/icp/core/kcf_mech_tabs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/core/kcf_prov_lib.c b/module/icp/core/kcf_prov_lib.c
index 9dca3882e174..1433428b97ed 100644
--- a/module/icp/core/kcf_prov_lib.c
+++ b/module/icp/core/kcf_prov_lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/core/kcf_prov_tabs.c b/module/icp/core/kcf_prov_tabs.c
index 93af61a235d0..da636d148f8d 100644
--- a/module/icp/core/kcf_prov_tabs.c
+++ b/module/icp/core/kcf_prov_tabs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/core/kcf_sched.c b/module/icp/core/kcf_sched.c
index 360ecfb2be19..759f0d81d521 100644
--- a/module/icp/core/kcf_sched.c
+++ b/module/icp/core/kcf_sched.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/illumos-crypto.c b/module/icp/illumos-crypto.c
index 89736a61bc89..bff9780a59c8 100644
--- a/module/icp/illumos-crypto.c
+++ b/module/icp/illumos-crypto.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/aes/aes_impl.h b/module/icp/include/aes/aes_impl.h
index d26ced58ff1e..17cbbac18604 100644
--- a/module/icp/include/aes/aes_impl.h
+++ b/module/icp/include/aes/aes_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/generic_impl.c b/module/icp/include/generic_impl.c
index 16f802cf7558..1d411268c377 100644
--- a/module/icp/include/generic_impl.c
+++ b/module/icp/include/generic_impl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/modes/gcm_impl.h b/module/icp/include/modes/gcm_impl.h
index 3afc9e2c6317..238a4e27f8fe 100644
--- a/module/icp/include/modes/gcm_impl.h
+++ b/module/icp/include/modes/gcm_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/modes/modes.h b/module/icp/include/modes/modes.h
index daa0335b5c3b..ca734cf4f045 100644
--- a/module/icp/include/modes/modes.h
+++ b/module/icp/include/modes/modes.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/sha2/sha2_impl.h b/module/icp/include/sha2/sha2_impl.h
index 9a1bd38f1a77..2f516ec0e95d 100644
--- a/module/icp/include/sha2/sha2_impl.h
+++ b/module/icp/include/sha2/sha2_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/sys/crypto/impl.h b/module/icp/include/sys/crypto/impl.h
index 0f5ef58ac009..ea776412938a 100644
--- a/module/icp/include/sys/crypto/impl.h
+++ b/module/icp/include/sys/crypto/impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/sys/crypto/sched_impl.h b/module/icp/include/sys/crypto/sched_impl.h
index 355c1a87faa4..0fcbbeb54e01 100644
--- a/module/icp/include/sys/crypto/sched_impl.h
+++ b/module/icp/include/sys/crypto/sched_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/include/sys/crypto/spi.h b/module/icp/include/sys/crypto/spi.h
index e9be7e0c54d8..d81aecfa84ec 100644
--- a/module/icp/include/sys/crypto/spi.h
+++ b/module/icp/include/sys/crypto/spi.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/io/aes.c b/module/icp/io/aes.c
index 8ee2d036c1e0..ba703efa71fc 100644
--- a/module/icp/io/aes.c
+++ b/module/icp/io/aes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/io/sha2_mod.c b/module/icp/io/sha2_mod.c
index e515dabc9dda..8322d82e2f77 100644
--- a/module/icp/io/sha2_mod.c
+++ b/module/icp/io/sha2_mod.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/icp/spi/kcf_spi.c b/module/icp/spi/kcf_spi.c
index b0af101990ed..806c0b028017 100644
--- a/module/icp/spi/kcf_spi.c
+++ b/module/icp/spi/kcf_spi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/lua/README.zfs b/module/lua/README.zfs
index 0e22de7a4a18..c3ca447953d6 100644
--- a/module/lua/README.zfs
+++ b/module/lua/README.zfs
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/module/lua/lapi.c b/module/lua/lapi.c
index 703cf4cc2a36..129ae52ba6c9 100644
--- a/module/lua/lapi.c
+++ b/module/lua/lapi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lapi.c,v 2.171.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lua API
diff --git a/module/lua/lapi.h b/module/lua/lapi.h
index c7d34ad84866..938cae6bb575 100644
--- a/module/lua/lapi.h
+++ b/module/lua/lapi.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lapi.h,v 2.7.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Auxiliary functions from Lua API
diff --git a/module/lua/lauxlib.c b/module/lua/lauxlib.c
index 6c5a69a31f94..de470179e5ec 100644
--- a/module/lua/lauxlib.c
+++ b/module/lua/lauxlib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lauxlib.c,v 1.248.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Auxiliary functions for building Lua libraries
diff --git a/module/lua/lbaselib.c b/module/lua/lbaselib.c
index b3caea0f33c1..896e2515731c 100644
--- a/module/lua/lbaselib.c
+++ b/module/lua/lbaselib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lbaselib.c,v 1.276.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Basic library
diff --git a/module/lua/lcode.c b/module/lua/lcode.c
index 467af3020a45..7328a76f9d05 100644
--- a/module/lua/lcode.c
+++ b/module/lua/lcode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lcode.c,v 2.62.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Code generator for Lua
diff --git a/module/lua/lcode.h b/module/lua/lcode.h
index 6a1424cf5a73..8daf31df31b4 100644
--- a/module/lua/lcode.h
+++ b/module/lua/lcode.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lcode.h,v 1.58.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Code generator for Lua
diff --git a/module/lua/lcompat.c b/module/lua/lcompat.c
index c0a27182c7d8..0227a9311fa5 100644
--- a/module/lua/lcompat.c
+++ b/module/lua/lcompat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
  * Copyright (c) 2016 by Delphix. All rights reserved.
  */
diff --git a/module/lua/lcorolib.c b/module/lua/lcorolib.c
index a4d60ffd4548..b79aa663b6dc 100644
--- a/module/lua/lcorolib.c
+++ b/module/lua/lcorolib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lcorolib.c,v 1.5.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Coroutine Library
diff --git a/module/lua/lctype.c b/module/lua/lctype.c
index 2c6e13469d4b..a8b3c2d1618c 100644
--- a/module/lua/lctype.c
+++ b/module/lua/lctype.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lctype.c,v 1.11.1.1 2013/04/12 18:48:47 roberto Exp $
 ** 'ctype' functions for Lua
diff --git a/module/lua/lctype.h b/module/lua/lctype.h
index bd9f4c8685cd..bbf0d71e6fc8 100644
--- a/module/lua/lctype.h
+++ b/module/lua/lctype.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lctype.h,v 1.12.1.1 2013/04/12 18:48:47 roberto Exp $
 ** 'ctype' functions for Lua
diff --git a/module/lua/ldebug.c b/module/lua/ldebug.c
index 23e321bb1247..4b63b97a252a 100644
--- a/module/lua/ldebug.c
+++ b/module/lua/ldebug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ldebug.c,v 2.90.1.4 2015/02/19 17:05:13 roberto Exp $
 ** Debug Interface
diff --git a/module/lua/ldebug.h b/module/lua/ldebug.h
index 6445c763ea51..f7ce9beab7b9 100644
--- a/module/lua/ldebug.h
+++ b/module/lua/ldebug.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ldebug.h,v 2.7.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Auxiliary functions from Debug Interface module
diff --git a/module/lua/ldo.c b/module/lua/ldo.c
index 38bd4e08a73d..940ee0baaf6f 100644
--- a/module/lua/ldo.c
+++ b/module/lua/ldo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ldo.c,v 2.108.1.3 2013/11/08 18:22:50 roberto Exp $
 ** Stack and Call structure of Lua
diff --git a/module/lua/ldo.h b/module/lua/ldo.h
index a6ca5e12e73f..89bd8880ff16 100644
--- a/module/lua/ldo.h
+++ b/module/lua/ldo.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ldo.h,v 2.20.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Stack and Call structure of Lua
diff --git a/module/lua/lfunc.c b/module/lua/lfunc.c
index 55b19c014494..89a4c398dcfc 100644
--- a/module/lua/lfunc.c
+++ b/module/lua/lfunc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lfunc.c,v 2.30.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Auxiliary functions to manipulate prototypes and closures
diff --git a/module/lua/lfunc.h b/module/lua/lfunc.h
index 1dc6995ca9d7..6c05210f1a23 100644
--- a/module/lua/lfunc.h
+++ b/module/lua/lfunc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lfunc.h,v 2.8.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Auxiliary functions to manipulate prototypes and closures
diff --git a/module/lua/lgc.c b/module/lua/lgc.c
index ccb8c019b94a..14cca1736d68 100644
--- a/module/lua/lgc.c
+++ b/module/lua/lgc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lgc.c,v 2.140.1.3 2014/09/01 16:55:08 roberto Exp $
 ** Garbage Collector
diff --git a/module/lua/lgc.h b/module/lua/lgc.h
index 02f17fe1239e..4aee263f1670 100644
--- a/module/lua/lgc.h
+++ b/module/lua/lgc.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lgc.h,v 2.58.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Garbage Collector
diff --git a/module/lua/llex.c b/module/lua/llex.c
index bcdda4ccf036..1d610abf0663 100644
--- a/module/lua/llex.c
+++ b/module/lua/llex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: llex.c,v 2.63.1.3 2015/02/09 17:56:34 roberto Exp $
 ** Lexical Analyzer
diff --git a/module/lua/llex.h b/module/lua/llex.h
index 43313451539f..77a0fa2b453d 100644
--- a/module/lua/llex.h
+++ b/module/lua/llex.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: llex.h,v 1.72.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lexical Analyzer
diff --git a/module/lua/llimits.h b/module/lua/llimits.h
index 566313529058..892763eb42d2 100644
--- a/module/lua/llimits.h
+++ b/module/lua/llimits.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: llimits.h,v 1.103.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Limits, basic types, and some other `installation-dependent' definitions
diff --git a/module/lua/lmem.c b/module/lua/lmem.c
index 1344099b449c..a6df0f971038 100644
--- a/module/lua/lmem.c
+++ b/module/lua/lmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lmem.c,v 1.84.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Interface to Memory Manager
diff --git a/module/lua/lmem.h b/module/lua/lmem.h
index 249a76f32974..e3af7044d0fa 100644
--- a/module/lua/lmem.h
+++ b/module/lua/lmem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lmem.h,v 1.40.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Interface to Memory Manager
diff --git a/module/lua/lobject.c b/module/lua/lobject.c
index ea1f9a8e3b92..18ecd4ffaee5 100644
--- a/module/lua/lobject.c
+++ b/module/lua/lobject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lobject.c,v 2.58.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Some generic functions over Lua objects
diff --git a/module/lua/lobject.h b/module/lua/lobject.h
index 06fdcdcbcb84..0a60e8b8a842 100644
--- a/module/lua/lobject.h
+++ b/module/lua/lobject.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lobject.h,v 2.71.1.2 2014/05/07 14:14:58 roberto Exp $
 ** Type definitions for Lua objects
diff --git a/module/lua/lopcodes.c b/module/lua/lopcodes.c
index 16d1cfe8523e..12376351bd0d 100644
--- a/module/lua/lopcodes.c
+++ b/module/lua/lopcodes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lopcodes.c,v 1.49.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Opcodes for Lua virtual machine
diff --git a/module/lua/lopcodes.h b/module/lua/lopcodes.h
index 8e2f80a13141..925c765abbef 100644
--- a/module/lua/lopcodes.h
+++ b/module/lua/lopcodes.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lopcodes.h,v 1.142.1.2 2014/10/20 18:32:09 roberto Exp $
 ** Opcodes for Lua virtual machine
diff --git a/module/lua/lparser.c b/module/lua/lparser.c
index f3a1f772486b..eba6068a3603 100644
--- a/module/lua/lparser.c
+++ b/module/lua/lparser.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lparser.c,v 2.130.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lua Parser
diff --git a/module/lua/lparser.h b/module/lua/lparser.h
index 0346e3c41a80..f636dc6a425e 100644
--- a/module/lua/lparser.h
+++ b/module/lua/lparser.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lparser.h,v 1.70.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lua Parser
diff --git a/module/lua/lstate.c b/module/lua/lstate.c
index 5a46993938e6..8fa7ac8f379f 100644
--- a/module/lua/lstate.c
+++ b/module/lua/lstate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lstate.c,v 2.99.1.2 2013/11/08 17:45:31 roberto Exp $
 ** Global State
diff --git a/module/lua/lstate.h b/module/lua/lstate.h
index c5fa59335a9b..ce3dd75698c9 100644
--- a/module/lua/lstate.h
+++ b/module/lua/lstate.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lstate.h,v 2.82.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Global State
diff --git a/module/lua/lstring.c b/module/lua/lstring.c
index 149a4ffc5023..49229f9149fa 100644
--- a/module/lua/lstring.c
+++ b/module/lua/lstring.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lstring.c,v 2.26.1.1 2013/04/12 18:48:47 roberto Exp $
 ** String table (keeps all strings handled by Lua)
diff --git a/module/lua/lstring.h b/module/lua/lstring.h
index 257b384172ec..f6ece23256fb 100644
--- a/module/lua/lstring.h
+++ b/module/lua/lstring.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lstring.h,v 1.49.1.1 2013/04/12 18:48:47 roberto Exp $
 ** String table (keep all strings handled by Lua)
diff --git a/module/lua/lstrlib.c b/module/lua/lstrlib.c
index 902cc773e8aa..03a96a902c53 100644
--- a/module/lua/lstrlib.c
+++ b/module/lua/lstrlib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lstrlib.c,v 1.178.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Standard library for string operations and pattern-matching
diff --git a/module/lua/ltable.c b/module/lua/ltable.c
index 1227d99c7b4a..477603901d13 100644
--- a/module/lua/ltable.c
+++ b/module/lua/ltable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ltable.c,v 2.72.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lua tables (hash)
diff --git a/module/lua/ltable.h b/module/lua/ltable.h
index 3c66a2390d2c..ef786f623899 100644
--- a/module/lua/ltable.h
+++ b/module/lua/ltable.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ltable.h,v 2.16.1.2 2013/08/30 15:49:41 roberto Exp $
 ** Lua tables (hash)
diff --git a/module/lua/ltablib.c b/module/lua/ltablib.c
index a697d2194066..d745ebe0ec0d 100644
--- a/module/lua/ltablib.c
+++ b/module/lua/ltablib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ltablib.c,v 1.65.1.2 2014/05/07 16:32:55 roberto Exp $
 ** Library for Table Manipulation
diff --git a/module/lua/ltm.c b/module/lua/ltm.c
index f86d97069d45..febfad23ebc3 100644
--- a/module/lua/ltm.c
+++ b/module/lua/ltm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ltm.c,v 2.14.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Tag methods
diff --git a/module/lua/ltm.h b/module/lua/ltm.h
index 7f89c841f9c0..5fdd70ba2ea0 100644
--- a/module/lua/ltm.h
+++ b/module/lua/ltm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: ltm.h,v 2.11.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Tag methods
diff --git a/module/lua/lvm.c b/module/lua/lvm.c
index 53b9884f0a71..85ab3e23aa18 100644
--- a/module/lua/lvm.c
+++ b/module/lua/lvm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lvm.c,v 2.155.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lua virtual machine
diff --git a/module/lua/lvm.h b/module/lua/lvm.h
index 5380270da63d..bb389fd48e98 100644
--- a/module/lua/lvm.h
+++ b/module/lua/lvm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lvm.h,v 2.18.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Lua virtual machine
diff --git a/module/lua/lzio.c b/module/lua/lzio.c
index 7bd6badaa6ef..ebcb0a17b59b 100644
--- a/module/lua/lzio.c
+++ b/module/lua/lzio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lzio.c,v 1.35.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Buffered streams
diff --git a/module/lua/lzio.h b/module/lua/lzio.h
index 670e463c4f4f..8a1d2b4f320b 100644
--- a/module/lua/lzio.h
+++ b/module/lua/lzio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
 ** $Id: lzio.h,v 1.26.1.1 2013/04/12 18:48:47 roberto Exp $
 ** Buffered streams
diff --git a/module/lua/setjmp/setjmp_aarch64.S b/module/lua/setjmp/setjmp_aarch64.S
index 040ef1821ab0..3da99b520688 100644
--- a/module/lua/setjmp/setjmp_aarch64.S
+++ b/module/lua/setjmp/setjmp_aarch64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*-
  * Copyright (c) 2014 Andrew Turner
  * Copyright (c) 2014-2015 The FreeBSD Foundation
diff --git a/module/lua/setjmp/setjmp_arm.S b/module/lua/setjmp/setjmp_arm.S
index 0b18a96282cf..fc3c33e6e341 100644
--- a/module/lua/setjmp/setjmp_arm.S
+++ b/module/lua/setjmp/setjmp_arm.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*-
  * Copyright 2004-2014 Olivier Houchard <cognet@FreeBSD.org>
  * Copyright 2012-2014 Ian Lepore <ian@FreeBSD.org>
diff --git a/module/lua/setjmp/setjmp_i386.S b/module/lua/setjmp/setjmp_i386.S
index 87f9cb08c292..8b0ac86f1c4e 100644
--- a/module/lua/setjmp/setjmp_i386.S
+++ b/module/lua/setjmp/setjmp_i386.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/lua/setjmp/setjmp_loongarch64.S b/module/lua/setjmp/setjmp_loongarch64.S
index 216b829ff236..a8048dfd1945 100644
--- a/module/lua/setjmp/setjmp_loongarch64.S
+++ b/module/lua/setjmp/setjmp_loongarch64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*-
  * Copyright 2022 Han Gao <gaohan@uniontech.com>
  * All rights reserved.
diff --git a/module/lua/setjmp/setjmp_mips.S b/module/lua/setjmp/setjmp_mips.S
index 0084fbfa4bec..9f52b83b85c3 100644
--- a/module/lua/setjmp/setjmp_mips.S
+++ b/module/lua/setjmp/setjmp_mips.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
  *	The President and Fellows of Harvard College.
diff --git a/module/lua/setjmp/setjmp_rv64g.S b/module/lua/setjmp/setjmp_rv64g.S
index 7f6c50d25a4c..afd35f04b56a 100644
--- a/module/lua/setjmp/setjmp_rv64g.S
+++ b/module/lua/setjmp/setjmp_rv64g.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*-
  * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com>
  * All rights reserved.
diff --git a/module/lua/setjmp/setjmp_s390x.S b/module/lua/setjmp/setjmp_s390x.S
index 336c66c08b51..8fd70140bf9d 100644
--- a/module/lua/setjmp/setjmp_s390x.S
+++ b/module/lua/setjmp/setjmp_s390x.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 /*
  * Copyright (c) 2005-2014 Rich Felker, et al.
  *
diff --git a/module/lua/setjmp/setjmp_sparc64.S b/module/lua/setjmp/setjmp_sparc64.S
index e1099643de92..08abf4b28311 100644
--- a/module/lua/setjmp/setjmp_sparc64.S
+++ b/module/lua/setjmp/setjmp_sparc64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * Copyright (c) 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/module/lua/setjmp/setjmp_x86_64.S b/module/lua/setjmp/setjmp_x86_64.S
index 337fceb15b00..2b57d73c1d56 100644
--- a/module/lua/setjmp/setjmp_x86_64.S
+++ b/module/lua/setjmp/setjmp_x86_64.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/nvpair/fnvpair.c b/module/nvpair/fnvpair.c
index cc2233c40391..318e969e42a0 100644
--- a/module/nvpair/fnvpair.c
+++ b/module/nvpair/fnvpair.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/nvpair/nvpair.c b/module/nvpair/nvpair.c
index 9034873474fe..db1b595a6be7 100644
--- a/module/nvpair/nvpair.c
+++ b/module/nvpair/nvpair.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/nvpair/nvpair_alloc_fixed.c b/module/nvpair/nvpair_alloc_fixed.c
index 34adb86e0301..dd18aa0cbff2 100644
--- a/module/nvpair/nvpair_alloc_fixed.c
+++ b/module/nvpair/nvpair_alloc_fixed.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/nvpair/nvpair_alloc_spl.c b/module/nvpair/nvpair_alloc_spl.c
index 4ecb029961f5..17ae03c7fd16 100644
--- a/module/nvpair/nvpair_alloc_spl.c
+++ b/module/nvpair/nvpair_alloc_spl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/spl/acl_common.c b/module/os/freebsd/spl/acl_common.c
index 04a5d2869d1b..33ff9ec02d1c 100644
--- a/module/os/freebsd/spl/acl_common.c
+++ b/module/os/freebsd/spl/acl_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/spl/callb.c b/module/os/freebsd/spl/callb.c
index 850f37ddf5a8..9916477e4a82 100644
--- a/module/os/freebsd/spl/callb.c
+++ b/module/os/freebsd/spl/callb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/spl/list.c b/module/os/freebsd/spl/list.c
index 56432050fdc6..3eaaaf918384 100644
--- a/module/os/freebsd/spl/list.c
+++ b/module/os/freebsd/spl/list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/spl/spl_acl.c b/module/os/freebsd/spl/spl_acl.c
index c820d7a6d22d..68159d626101 100644
--- a/module/os/freebsd/spl/spl_acl.c
+++ b/module/os/freebsd/spl/spl_acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2008, 2009 Edward Tomasz Napierała <trasz@FreeBSD.org>
  *
diff --git a/module/os/freebsd/spl/spl_atomic.c b/module/os/freebsd/spl/spl_atomic.c
index cdfd37f3e05f..00ab6e16bdd5 100644
--- a/module/os/freebsd/spl/spl_atomic.c
+++ b/module/os/freebsd/spl/spl_atomic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_cmn_err.c b/module/os/freebsd/spl/spl_cmn_err.c
index 2157da8ebf20..7b1bfd1caa07 100644
--- a/module/os/freebsd/spl/spl_cmn_err.c
+++ b/module/os/freebsd/spl/spl_cmn_err.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/spl/spl_dtrace.c b/module/os/freebsd/spl/spl_dtrace.c
index 0a2fcf110d7b..b1f68c78ba66 100644
--- a/module/os/freebsd/spl/spl_dtrace.c
+++ b/module/os/freebsd/spl/spl_dtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright 2014 The FreeBSD Project.
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_kmem.c b/module/os/freebsd/spl/spl_kmem.c
index ceaa2b40beae..6d198fad5203 100644
--- a/module/os/freebsd/spl/spl_kmem.c
+++ b/module/os/freebsd/spl/spl_kmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2006-2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_kstat.c b/module/os/freebsd/spl/spl_kstat.c
index f657ef2a3acb..1fb294b37097 100644
--- a/module/os/freebsd/spl/spl_kstat.c
+++ b/module/os/freebsd/spl/spl_kstat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_misc.c b/module/os/freebsd/spl/spl_misc.c
index 2d0821417ad9..f9125a067cd1 100644
--- a/module/os/freebsd/spl/spl_misc.c
+++ b/module/os/freebsd/spl/spl_misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_policy.c b/module/os/freebsd/spl/spl_policy.c
index 42a693b073d1..aad3ef2fad5d 100644
--- a/module/os/freebsd/spl/spl_policy.c
+++ b/module/os/freebsd/spl/spl_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_procfs_list.c b/module/os/freebsd/spl/spl_procfs_list.c
index 77d33ee2e1f3..65ce9af1e44e 100644
--- a/module/os/freebsd/spl/spl_procfs_list.c
+++ b/module/os/freebsd/spl/spl_procfs_list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_string.c b/module/os/freebsd/spl/spl_string.c
index eb74720c984a..aee506f28615 100644
--- a/module/os/freebsd/spl/spl_string.c
+++ b/module/os/freebsd/spl/spl_string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/spl/spl_sunddi.c b/module/os/freebsd/spl/spl_sunddi.c
index 4c97c9f12caf..32667772c557 100644
--- a/module/os/freebsd/spl/spl_sunddi.c
+++ b/module/os/freebsd/spl/spl_sunddi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_sysevent.c b/module/os/freebsd/spl/spl_sysevent.c
index dc5ed81057b8..9da633c2b1be 100644
--- a/module/os/freebsd/spl/spl_sysevent.c
+++ b/module/os/freebsd/spl/spl_sysevent.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * Copyright (c) 2020 iXsystems, Inc.
diff --git a/module/os/freebsd/spl/spl_taskq.c b/module/os/freebsd/spl/spl_taskq.c
index af32c0ee2e5c..78d9c8257208 100644
--- a/module/os/freebsd/spl/spl_taskq.c
+++ b/module/os/freebsd/spl/spl_taskq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2009 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_uio.c b/module/os/freebsd/spl/spl_uio.c
index 74cbe36bbd9b..54d4029c5e6f 100644
--- a/module/os/freebsd/spl/spl_uio.c
+++ b/module/os/freebsd/spl/spl_uio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/spl/spl_vfs.c b/module/os/freebsd/spl/spl_vfs.c
index 6af3da138f8d..ef0224a2742b 100644
--- a/module/os/freebsd/spl/spl_vfs.c
+++ b/module/os/freebsd/spl/spl_vfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2006-2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_vm.c b/module/os/freebsd/spl/spl_vm.c
index e6f019cb9a46..733c2bd07ebb 100644
--- a/module/os/freebsd/spl/spl_vm.c
+++ b/module/os/freebsd/spl/spl_vm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2013 EMC Corp.
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_zlib.c b/module/os/freebsd/spl/spl_zlib.c
index 4a2bb3884caa..89f3e4b5b9b0 100644
--- a/module/os/freebsd/spl/spl_zlib.c
+++ b/module/os/freebsd/spl/spl_zlib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/spl/spl_zone.c b/module/os/freebsd/spl/spl_zone.c
index e3896517bd61..06f58850783c 100644
--- a/module/os/freebsd/spl/spl_zone.c
+++ b/module/os/freebsd/spl/spl_zone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * All rights reserved.
diff --git a/module/os/freebsd/zfs/abd_os.c b/module/os/freebsd/zfs/abd_os.c
index ab4f49a4ec5a..fbf67f6a14a8 100644
--- a/module/os/freebsd/zfs/abd_os.c
+++ b/module/os/freebsd/zfs/abd_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/module/os/freebsd/zfs/arc_os.c b/module/os/freebsd/zfs/arc_os.c
index dd3da2183a18..02a2870c02b3 100644
--- a/module/os/freebsd/zfs/arc_os.c
+++ b/module/os/freebsd/zfs/arc_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/crypto_os.c b/module/os/freebsd/zfs/crypto_os.c
index 4d8493743ef1..a4bf3fb6490f 100644
--- a/module/os/freebsd/zfs/crypto_os.c
+++ b/module/os/freebsd/zfs/crypto_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2005-2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
  * Copyright (c) 2018 Sean Eric Fagan <sef@ixsystems.com>
diff --git a/module/os/freebsd/zfs/dmu_os.c b/module/os/freebsd/zfs/dmu_os.c
index 370ce2d806e8..d7c9be70ad4a 100644
--- a/module/os/freebsd/zfs/dmu_os.c
+++ b/module/os/freebsd/zfs/dmu_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/zfs/hkdf.c b/module/os/freebsd/zfs/hkdf.c
index 3a3c426fa48a..6c9bca7b462e 100644
--- a/module/os/freebsd/zfs/hkdf.c
+++ b/module/os/freebsd/zfs/hkdf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/kmod_core.c b/module/os/freebsd/zfs/kmod_core.c
index f883599f2dad..c114db14a916 100644
--- a/module/os/freebsd/zfs/kmod_core.c
+++ b/module/os/freebsd/zfs/kmod_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/zfs/spa_os.c b/module/os/freebsd/zfs/spa_os.c
index 1b9f1a4ec9dc..2d04ccf95fbf 100644
--- a/module/os/freebsd/zfs/spa_os.c
+++ b/module/os/freebsd/zfs/spa_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/sysctl_os.c b/module/os/freebsd/zfs/sysctl_os.c
index bddb25a07204..ace2360c032d 100644
--- a/module/os/freebsd/zfs/sysctl_os.c
+++ b/module/os/freebsd/zfs/sysctl_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/zfs/vdev_file.c b/module/os/freebsd/zfs/vdev_file.c
index 6719c87f82e5..5141293974d8 100644
--- a/module/os/freebsd/zfs/vdev_file.c
+++ b/module/os/freebsd/zfs/vdev_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/vdev_geom.c b/module/os/freebsd/zfs/vdev_geom.c
index 7aaa42bfb1a8..7acf37ba9cd7 100644
--- a/module/os/freebsd/zfs/vdev_geom.c
+++ b/module/os/freebsd/zfs/vdev_geom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/vdev_label_os.c b/module/os/freebsd/zfs/vdev_label_os.c
index f1843807fd5d..11e93b800a54 100644
--- a/module/os/freebsd/zfs/vdev_label_os.c
+++ b/module/os/freebsd/zfs/vdev_label_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zfs_acl.c b/module/os/freebsd/zfs/zfs_acl.c
index 1f1ac3a38d7a..fdfde39e5242 100644
--- a/module/os/freebsd/zfs/zfs_acl.c
+++ b/module/os/freebsd/zfs/zfs_acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zfs_ctldir.c b/module/os/freebsd/zfs/zfs_ctldir.c
index 4d539461886b..8d0ff9b25e30 100644
--- a/module/os/freebsd/zfs/zfs_ctldir.c
+++ b/module/os/freebsd/zfs/zfs_ctldir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zfs_debug.c b/module/os/freebsd/zfs/zfs_debug.c
index 6d4ae4355867..559bf03ae9e7 100644
--- a/module/os/freebsd/zfs/zfs_debug.c
+++ b/module/os/freebsd/zfs/zfs_debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zfs_dir.c b/module/os/freebsd/zfs/zfs_dir.c
index 1358c048619c..55c4658ce329 100644
--- a/module/os/freebsd/zfs/zfs_dir.c
+++ b/module/os/freebsd/zfs/zfs_dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zfs_file_os.c b/module/os/freebsd/zfs/zfs_file_os.c
index f6ee391deddd..21e5f7938f9f 100644
--- a/module/os/freebsd/zfs/zfs_file_os.c
+++ b/module/os/freebsd/zfs/zfs_file_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/zfs/zfs_ioctl_compat.c b/module/os/freebsd/zfs/zfs_ioctl_compat.c
index 4a7beb650a8d..72d6e16bea4e 100644
--- a/module/os/freebsd/zfs/zfs_ioctl_compat.c
+++ b/module/os/freebsd/zfs/zfs_ioctl_compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/zfs/zfs_ioctl_os.c b/module/os/freebsd/zfs/zfs_ioctl_os.c
index 928cf25e940f..dcdefae56639 100644
--- a/module/os/freebsd/zfs/zfs_ioctl_os.c
+++ b/module/os/freebsd/zfs/zfs_ioctl_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2020 iXsystems, Inc.
  * All rights reserved.
diff --git a/module/os/freebsd/zfs/zfs_racct.c b/module/os/freebsd/zfs/zfs_racct.c
index 2989a9af9235..bdbbdacd984e 100644
--- a/module/os/freebsd/zfs/zfs_racct.c
+++ b/module/os/freebsd/zfs/zfs_racct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2021 iXsystems, Inc.
  *
diff --git a/module/os/freebsd/zfs/zfs_vfsops.c b/module/os/freebsd/zfs/zfs_vfsops.c
index a367ea8e508a..56f629f76cc0 100644
--- a/module/os/freebsd/zfs/zfs_vfsops.c
+++ b/module/os/freebsd/zfs/zfs_vfsops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zfs_vnops_os.c b/module/os/freebsd/zfs/zfs_vnops_os.c
index 5edd3fcc76e7..4d3e43e9ea28 100644
--- a/module/os/freebsd/zfs/zfs_vnops_os.c
+++ b/module/os/freebsd/zfs/zfs_vnops_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zfs_znode_os.c b/module/os/freebsd/zfs/zfs_znode_os.c
index 31ca07a86dda..84095d579f85 100644
--- a/module/os/freebsd/zfs/zfs_znode_os.c
+++ b/module/os/freebsd/zfs/zfs_znode_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zio_crypt.c b/module/os/freebsd/zfs/zio_crypt.c
index 195ac58f6f1a..5a2c4b8cbf22 100644
--- a/module/os/freebsd/zfs/zio_crypt.c
+++ b/module/os/freebsd/zfs/zio_crypt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/freebsd/zfs/zvol_os.c b/module/os/freebsd/zfs/zvol_os.c
index c3be4730d4b6..ba4da193c371 100644
--- a/module/os/freebsd/zfs/zvol_os.c
+++ b/module/os/freebsd/zfs/zvol_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/spl/spl-atomic.c b/module/os/linux/spl/spl-atomic.c
index accf656fbcc6..b6d967108fed 100644
--- a/module/os/linux/spl/spl-atomic.c
+++ b/module/os/linux/spl/spl-atomic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-condvar.c b/module/os/linux/spl/spl-condvar.c
index 1cb0aeebcb67..ce9c9e39e60c 100644
--- a/module/os/linux/spl/spl-condvar.c
+++ b/module/os/linux/spl/spl-condvar.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-cred.c b/module/os/linux/spl/spl-cred.c
index 7254df6bf294..3a9db725ce2c 100644
--- a/module/os/linux/spl/spl-cred.c
+++ b/module/os/linux/spl/spl-cred.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-err.c b/module/os/linux/spl/spl-err.c
index 81e520547dd7..7ff6c5431623 100644
--- a/module/os/linux/spl/spl-err.c
+++ b/module/os/linux/spl/spl-err.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-generic.c b/module/os/linux/spl/spl-generic.c
index e13914221a6a..115c9460f3e6 100644
--- a/module/os/linux/spl/spl-generic.c
+++ b/module/os/linux/spl/spl-generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-kmem-cache.c b/module/os/linux/spl/spl-kmem-cache.c
index 33c7d0879741..712c21566a32 100644
--- a/module/os/linux/spl/spl-kmem-cache.c
+++ b/module/os/linux/spl/spl-kmem-cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-kmem.c b/module/os/linux/spl/spl-kmem.c
index 3e8361184d57..337a4bcf76a0 100644
--- a/module/os/linux/spl/spl-kmem.c
+++ b/module/os/linux/spl/spl-kmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-kstat.c b/module/os/linux/spl/spl-kstat.c
index ad553a73a69e..04578204a318 100644
--- a/module/os/linux/spl/spl-kstat.c
+++ b/module/os/linux/spl/spl-kstat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-proc.c b/module/os/linux/spl/spl-proc.c
index 9af192274733..4ed0deedd5b9 100644
--- a/module/os/linux/spl/spl-proc.c
+++ b/module/os/linux/spl/spl-proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-procfs-list.c b/module/os/linux/spl/spl-procfs-list.c
index 91840ed2ca22..858851d72b0c 100644
--- a/module/os/linux/spl/spl-procfs-list.c
+++ b/module/os/linux/spl/spl-procfs-list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/spl/spl-shrinker.c b/module/os/linux/spl/spl-shrinker.c
index ff1c196d09f6..50907991b7c6 100644
--- a/module/os/linux/spl/spl-shrinker.c
+++ b/module/os/linux/spl/spl-shrinker.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-taskq.c b/module/os/linux/spl/spl-taskq.c
index 77dd472ea8b1..d5b42fdfaf20 100644
--- a/module/os/linux/spl/spl-taskq.c
+++ b/module/os/linux/spl/spl-taskq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-thread.c b/module/os/linux/spl/spl-thread.c
index 7b0ce30c7884..1398483a3ac8 100644
--- a/module/os/linux/spl/spl-thread.c
+++ b/module/os/linux/spl/spl-thread.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-trace.c b/module/os/linux/spl/spl-trace.c
index d3e53e541b8b..1c984f221c7d 100644
--- a/module/os/linux/spl/spl-trace.c
+++ b/module/os/linux/spl/spl-trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/spl/spl-tsd.c b/module/os/linux/spl/spl-tsd.c
index 389c9d0d6df3..34a61bef7d4f 100644
--- a/module/os/linux/spl/spl-tsd.c
+++ b/module/os/linux/spl/spl-tsd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2010 Lawrence Livermore National Security, LLC.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
diff --git a/module/os/linux/spl/spl-vmem.c b/module/os/linux/spl/spl-vmem.c
index 7e2402477705..8c4f75c5b423 100644
--- a/module/os/linux/spl/spl-vmem.c
+++ b/module/os/linux/spl/spl-vmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-xdr.c b/module/os/linux/spl/spl-xdr.c
index e1773da5d173..470cde27fcc6 100644
--- a/module/os/linux/spl/spl-xdr.c
+++ b/module/os/linux/spl/spl-xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (c) 2008-2010 Sun Microsystems, Inc.
  *  Written by Ricardo Correia <Ricardo.M.Correia@Sun.COM>
diff --git a/module/os/linux/spl/spl-zlib.c b/module/os/linux/spl/spl-zlib.c
index 68078ac32bc5..36022c10e476 100644
--- a/module/os/linux/spl/spl-zlib.c
+++ b/module/os/linux/spl/spl-zlib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
diff --git a/module/os/linux/spl/spl-zone.c b/module/os/linux/spl/spl-zone.c
index 58b5e0dc44b7..45c2999a4bb1 100644
--- a/module/os/linux/spl/spl-zone.c
+++ b/module/os/linux/spl/spl-zone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2021 Klara Systems, Inc.
  * All rights reserved.
diff --git a/module/os/linux/zfs/abd_os.c b/module/os/linux/zfs/abd_os.c
index 39ea3e62dba0..8e4d271976ea 100644
--- a/module/os/linux/zfs/abd_os.c
+++ b/module/os/linux/zfs/abd_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/arc_os.c b/module/os/linux/zfs/arc_os.c
index 3238977af6d1..6478c834b7a5 100644
--- a/module/os/linux/zfs/arc_os.c
+++ b/module/os/linux/zfs/arc_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/mmp_os.c b/module/os/linux/zfs/mmp_os.c
index 7e5bd392437e..ce7b2978b5bc 100644
--- a/module/os/linux/zfs/mmp_os.c
+++ b/module/os/linux/zfs/mmp_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/policy.c b/module/os/linux/zfs/policy.c
index d21bc667ba69..c50ffcfe6992 100644
--- a/module/os/linux/zfs/policy.c
+++ b/module/os/linux/zfs/policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/qat.c b/module/os/linux/zfs/qat.c
index 07e0cafabb0e..b4129cef5674 100644
--- a/module/os/linux/zfs/qat.c
+++ b/module/os/linux/zfs/qat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/qat_compress.c b/module/os/linux/zfs/qat_compress.c
index 6d0595dd5f76..9a3bacde1c15 100644
--- a/module/os/linux/zfs/qat_compress.c
+++ b/module/os/linux/zfs/qat_compress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/qat_crypt.c b/module/os/linux/zfs/qat_crypt.c
index 0523a23c61e1..27965a36d2d7 100644
--- a/module/os/linux/zfs/qat_crypt.c
+++ b/module/os/linux/zfs/qat_crypt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/spa_misc_os.c b/module/os/linux/zfs/spa_misc_os.c
index c8cbedcd5157..d6323fd56a8f 100644
--- a/module/os/linux/zfs/spa_misc_os.c
+++ b/module/os/linux/zfs/spa_misc_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/trace.c b/module/os/linux/zfs/trace.c
index 32a188d169e3..a6c423eccc78 100644
--- a/module/os/linux/zfs/trace.c
+++ b/module/os/linux/zfs/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/vdev_disk.c b/module/os/linux/zfs/vdev_disk.c
index e8bd513e6909..29e54b39aa1a 100644
--- a/module/os/linux/zfs/vdev_disk.c
+++ b/module/os/linux/zfs/vdev_disk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/vdev_file.c b/module/os/linux/zfs/vdev_file.c
index 2cab6532487a..47f58250ce8d 100644
--- a/module/os/linux/zfs/vdev_file.c
+++ b/module/os/linux/zfs/vdev_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/vdev_label_os.c b/module/os/linux/zfs/vdev_label_os.c
index 3d965b89a962..833093dbbb39 100644
--- a/module/os/linux/zfs/vdev_label_os.c
+++ b/module/os/linux/zfs/vdev_label_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/vdev_raidz.c b/module/os/linux/zfs/vdev_raidz.c
index 0b34ca52fb90..63f2efb4fe37 100644
--- a/module/os/linux/zfs/vdev_raidz.c
+++ b/module/os/linux/zfs/vdev_raidz.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_acl.c b/module/os/linux/zfs/zfs_acl.c
index 206bc2209596..f16a4545225f 100644
--- a/module/os/linux/zfs/zfs_acl.c
+++ b/module/os/linux/zfs/zfs_acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_ctldir.c b/module/os/linux/zfs/zfs_ctldir.c
index f60d6ae91e0b..84b25cb2c5ac 100644
--- a/module/os/linux/zfs/zfs_ctldir.c
+++ b/module/os/linux/zfs/zfs_ctldir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_debug.c b/module/os/linux/zfs/zfs_debug.c
index 7d01f8f373b2..879748f6950d 100644
--- a/module/os/linux/zfs/zfs_debug.c
+++ b/module/os/linux/zfs/zfs_debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_dir.c b/module/os/linux/zfs/zfs_dir.c
index 564e89b37d11..16249cf20b48 100644
--- a/module/os/linux/zfs/zfs_dir.c
+++ b/module/os/linux/zfs/zfs_dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_file_os.c b/module/os/linux/zfs/zfs_file_os.c
index 4acdc6a4156a..d193eb80dca2 100644
--- a/module/os/linux/zfs/zfs_file_os.c
+++ b/module/os/linux/zfs/zfs_file_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_ioctl_os.c b/module/os/linux/zfs/zfs_ioctl_os.c
index 502d173b70f9..5421a441b323 100644
--- a/module/os/linux/zfs/zfs_ioctl_os.c
+++ b/module/os/linux/zfs/zfs_ioctl_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_racct.c b/module/os/linux/zfs/zfs_racct.c
index ce197caa45f0..4dbd6a28b594 100644
--- a/module/os/linux/zfs/zfs_racct.c
+++ b/module/os/linux/zfs/zfs_racct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2021 iXsystems, Inc.
  *
diff --git a/module/os/linux/zfs/zfs_sysfs.c b/module/os/linux/zfs/zfs_sysfs.c
index e2431fe8a803..1c187d7b9cab 100644
--- a/module/os/linux/zfs/zfs_sysfs.c
+++ b/module/os/linux/zfs/zfs_sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_uio.c b/module/os/linux/zfs/zfs_uio.c
index 1a815c62b19a..901bd191f2df 100644
--- a/module/os/linux/zfs/zfs_uio.c
+++ b/module/os/linux/zfs/zfs_uio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_vfsops.c b/module/os/linux/zfs/zfs_vfsops.c
index b226fca147a5..0a3d674408f1 100644
--- a/module/os/linux/zfs/zfs_vfsops.c
+++ b/module/os/linux/zfs/zfs_vfsops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_vnops_os.c b/module/os/linux/zfs/zfs_vnops_os.c
index a882c88a7a72..d11004529555 100644
--- a/module/os/linux/zfs/zfs_vnops_os.c
+++ b/module/os/linux/zfs/zfs_vnops_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zfs_znode_os.c b/module/os/linux/zfs/zfs_znode_os.c
index aff7b1f4dac1..fbe9e7884033 100644
--- a/module/os/linux/zfs/zfs_znode_os.c
+++ b/module/os/linux/zfs/zfs_znode_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zio_crypt.c b/module/os/linux/zfs/zio_crypt.c
index 22eeef7f0743..28f91ceba1ae 100644
--- a/module/os/linux/zfs/zio_crypt.c
+++ b/module/os/linux/zfs/zio_crypt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zpl_ctldir.c b/module/os/linux/zfs/zpl_ctldir.c
index 11438ab61475..0b04ec6866f4 100644
--- a/module/os/linux/zfs/zpl_ctldir.c
+++ b/module/os/linux/zfs/zpl_ctldir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zpl_export.c b/module/os/linux/zfs/zpl_export.c
index ff865d129954..711da151f65e 100644
--- a/module/os/linux/zfs/zpl_export.c
+++ b/module/os/linux/zfs/zpl_export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zpl_file.c b/module/os/linux/zfs/zpl_file.c
index 42dfddc2717b..787d3cb31410 100644
--- a/module/os/linux/zfs/zpl_file.c
+++ b/module/os/linux/zfs/zpl_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zpl_file_range.c b/module/os/linux/zfs/zpl_file_range.c
index d63797568ed2..cb8562d21421 100644
--- a/module/os/linux/zfs/zpl_file_range.c
+++ b/module/os/linux/zfs/zpl_file_range.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zpl_inode.c b/module/os/linux/zfs/zpl_inode.c
index c4b5087ca5e7..17d76a582eda 100644
--- a/module/os/linux/zfs/zpl_inode.c
+++ b/module/os/linux/zfs/zpl_inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zpl_super.c b/module/os/linux/zfs/zpl_super.c
index b97b701b7460..948fdf8428d0 100644
--- a/module/os/linux/zfs/zpl_super.c
+++ b/module/os/linux/zfs/zpl_super.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zpl_xattr.c b/module/os/linux/zfs/zpl_xattr.c
index ebf0afc9eb02..a098197e7448 100644
--- a/module/os/linux/zfs/zpl_xattr.c
+++ b/module/os/linux/zfs/zpl_xattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/os/linux/zfs/zvol_os.c b/module/os/linux/zfs/zvol_os.c
index 7c5d567c3239..ddb8dac8fcfc 100644
--- a/module/os/linux/zfs/zvol_os.c
+++ b/module/os/linux/zfs/zvol_os.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/unicode/u8_textprep.c b/module/unicode/u8_textprep.c
index 281396678ec2..3f88c4ad7989 100644
--- a/module/unicode/u8_textprep.c
+++ b/module/unicode/u8_textprep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/cityhash.c b/module/zcommon/cityhash.c
index c758ec47d1f6..e983181755f1 100644
--- a/module/zcommon/cityhash.c
+++ b/module/zcommon/cityhash.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+//
 // Copyright (c) 2011 Google, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
diff --git a/module/zcommon/simd_stat.c b/module/zcommon/simd_stat.c
index d82a88ca9343..11e2080ff9f2 100644
--- a/module/zcommon/simd_stat.c
+++ b/module/zcommon/simd_stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfeature_common.c b/module/zcommon/zfeature_common.c
index 96f0086d7858..0362d82efbc1 100644
--- a/module/zcommon/zfeature_common.c
+++ b/module/zcommon/zfeature_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfs_comutil.c b/module/zcommon/zfs_comutil.c
index 384746bd4a02..85eee4f21c3e 100644
--- a/module/zcommon/zfs_comutil.c
+++ b/module/zcommon/zfs_comutil.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfs_deleg.c b/module/zcommon/zfs_deleg.c
index f977c761147d..643e5bdb8df1 100644
--- a/module/zcommon/zfs_deleg.c
+++ b/module/zcommon/zfs_deleg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfs_fletcher.c b/module/zcommon/zfs_fletcher.c
index 74b8c2a475a1..133217f4bae2 100644
--- a/module/zcommon/zfs_fletcher.c
+++ b/module/zcommon/zfs_fletcher.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfs_fletcher_aarch64_neon.c b/module/zcommon/zfs_fletcher_aarch64_neon.c
index 26f2115c44bf..b6ec3da6158d 100644
--- a/module/zcommon/zfs_fletcher_aarch64_neon.c
+++ b/module/zcommon/zfs_fletcher_aarch64_neon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-only
 /*
  * Implement fast Fletcher4 with NEON instructions. (aarch64)
  *
diff --git a/module/zcommon/zfs_fletcher_avx512.c b/module/zcommon/zfs_fletcher_avx512.c
index 95fc2b151a7d..b42ebee57e52 100644
--- a/module/zcommon/zfs_fletcher_avx512.c
+++ b/module/zcommon/zfs_fletcher_avx512.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfs_fletcher_intel.c b/module/zcommon/zfs_fletcher_intel.c
index 34590a15572d..570076ba2b09 100644
--- a/module/zcommon/zfs_fletcher_intel.c
+++ b/module/zcommon/zfs_fletcher_intel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-only
 /*
  * Implement fast Fletcher4 with AVX2 instructions. (x86_64)
  *
diff --git a/module/zcommon/zfs_fletcher_sse.c b/module/zcommon/zfs_fletcher_sse.c
index 8ab9b9acb83b..96aaf1622d73 100644
--- a/module/zcommon/zfs_fletcher_sse.c
+++ b/module/zcommon/zfs_fletcher_sse.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-only
 /*
  * Implement fast Fletcher4 with SSE2,SSSE3 instructions. (x86)
  *
diff --git a/module/zcommon/zfs_fletcher_superscalar.c b/module/zcommon/zfs_fletcher_superscalar.c
index 2a80816ff3ec..e0faa995e80e 100644
--- a/module/zcommon/zfs_fletcher_superscalar.c
+++ b/module/zcommon/zfs_fletcher_superscalar.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-only
 /*
  * Implement fast Fletcher4 using superscalar pipelines.
  *
diff --git a/module/zcommon/zfs_fletcher_superscalar4.c b/module/zcommon/zfs_fletcher_superscalar4.c
index 0b52bb63d003..1cec1851ef3f 100644
--- a/module/zcommon/zfs_fletcher_superscalar4.c
+++ b/module/zcommon/zfs_fletcher_superscalar4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-only
 /*
  * Implement fast Fletcher4 using superscalar pipelines.
  *
diff --git a/module/zcommon/zfs_namecheck.c b/module/zcommon/zfs_namecheck.c
index 273b219a9794..deb0547c1084 100644
--- a/module/zcommon/zfs_namecheck.c
+++ b/module/zcommon/zfs_namecheck.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c
index 40254c8d9567..480c3fcd0a80 100644
--- a/module/zcommon/zfs_prop.c
+++ b/module/zcommon/zfs_prop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zfs_valstr.c b/module/zcommon/zfs_valstr.c
index fde8ae28ef36..546de63c81d4 100644
--- a/module/zcommon/zfs_valstr.c
+++ b/module/zcommon/zfs_valstr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zpool_prop.c b/module/zcommon/zpool_prop.c
index ea9eda4b316d..04ae9f986d8f 100644
--- a/module/zcommon/zpool_prop.c
+++ b/module/zcommon/zpool_prop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zcommon/zprop_common.c b/module/zcommon/zprop_common.c
index eb635b38ceb5..f486ae567f97 100644
--- a/module/zcommon/zprop_common.c
+++ b/module/zcommon/zprop_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/abd.c b/module/zfs/abd.c
index 529deeecfd4b..c2784b9af035 100644
--- a/module/zfs/abd.c
+++ b/module/zfs/abd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/aggsum.c b/module/zfs/aggsum.c
index 488c6ef3b6fc..6bde55a50d98 100644
--- a/module/zfs/aggsum.c
+++ b/module/zfs/aggsum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index 1f653d953113..54297a552fdc 100644
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/blake3_zfs.c b/module/zfs/blake3_zfs.c
index 7783282b671a..49514c4d471a 100644
--- a/module/zfs/blake3_zfs.c
+++ b/module/zfs/blake3_zfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/blkptr.c b/module/zfs/blkptr.c
index ac801c2bcf3f..268623c4090f 100644
--- a/module/zfs/blkptr.c
+++ b/module/zfs/blkptr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/bplist.c b/module/zfs/bplist.c
index da7360f8ce10..97ae0b615809 100644
--- a/module/zfs/bplist.c
+++ b/module/zfs/bplist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/bpobj.c b/module/zfs/bpobj.c
index 96e1601c4e9c..8c19de93f12f 100644
--- a/module/zfs/bpobj.c
+++ b/module/zfs/bpobj.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/bptree.c b/module/zfs/bptree.c
index 1f5d8e77bcc0..a98bba3eb259 100644
--- a/module/zfs/bptree.c
+++ b/module/zfs/bptree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/bqueue.c b/module/zfs/bqueue.c
index a7fa516975de..c9bd93475a82 100644
--- a/module/zfs/bqueue.c
+++ b/module/zfs/bqueue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/brt.c b/module/zfs/brt.c
index 79748cd69bc0..27d9ed7ea2b0 100644
--- a/module/zfs/brt.c
+++ b/module/zfs/brt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/btree.c b/module/zfs/btree.c
index bff2b6c21f44..aa282f711bc3 100644
--- a/module/zfs/btree.c
+++ b/module/zfs/btree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dataset_kstats.c b/module/zfs/dataset_kstats.c
index 27a04c2af06c..d3baabd6169f 100644
--- a/module/zfs/dataset_kstats.c
+++ b/module/zfs/dataset_kstats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
index 90395cad6e45..e0b562b9db86 100644
--- a/module/zfs/dbuf.c
+++ b/module/zfs/dbuf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dbuf_stats.c b/module/zfs/dbuf_stats.c
index ccee8997e10e..375add6be395 100644
--- a/module/zfs/dbuf_stats.c
+++ b/module/zfs/dbuf_stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/ddt.c b/module/zfs/ddt.c
index e8b9fb498d4b..77391fab73b4 100644
--- a/module/zfs/ddt.c
+++ b/module/zfs/ddt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/ddt_log.c b/module/zfs/ddt_log.c
index 3aa07dc25b91..dbd381aa9609 100644
--- a/module/zfs/ddt_log.c
+++ b/module/zfs/ddt_log.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/ddt_stats.c b/module/zfs/ddt_stats.c
index 8f55bc24f0f5..2c4725dc9c9a 100644
--- a/module/zfs/ddt_stats.c
+++ b/module/zfs/ddt_stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/ddt_zap.c b/module/zfs/ddt_zap.c
index 64924bc4fa61..7d44f99fc0bc 100644
--- a/module/zfs/ddt_zap.c
+++ b/module/zfs/ddt_zap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c
index 32609399b79e..0bfe3e7c74d9 100644
--- a/module/zfs/dmu.c
+++ b/module/zfs/dmu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_diff.c b/module/zfs/dmu_diff.c
index 0def0956beb8..86f751e886c9 100644
--- a/module/zfs/dmu_diff.c
+++ b/module/zfs/dmu_diff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_direct.c b/module/zfs/dmu_direct.c
index 40b78b519f49..319aaf30be5a 100644
--- a/module/zfs/dmu_direct.c
+++ b/module/zfs/dmu_direct.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_object.c b/module/zfs/dmu_object.c
index 344b0e3750e9..b4ff7d224cc9 100644
--- a/module/zfs/dmu_object.c
+++ b/module/zfs/dmu_object.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_objset.c b/module/zfs/dmu_objset.c
index 8f00e6577bc5..d3106fd37dc2 100644
--- a/module/zfs/dmu_objset.c
+++ b/module/zfs/dmu_objset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_recv.c b/module/zfs/dmu_recv.c
index a33216be6ecf..863f584dbb1f 100644
--- a/module/zfs/dmu_recv.c
+++ b/module/zfs/dmu_recv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_redact.c b/module/zfs/dmu_redact.c
index 651461caffb5..efcbd466e1c6 100644
--- a/module/zfs/dmu_redact.c
+++ b/module/zfs/dmu_redact.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_send.c b/module/zfs/dmu_send.c
index aeb8ff3b6688..e21af11d20d1 100644
--- a/module/zfs/dmu_send.c
+++ b/module/zfs/dmu_send.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_traverse.c b/module/zfs/dmu_traverse.c
index aa0434f3c722..c9363e6aec3d 100644
--- a/module/zfs/dmu_traverse.c
+++ b/module/zfs/dmu_traverse.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_tx.c b/module/zfs/dmu_tx.c
index e4895a6bcd7f..ca7648d6ecac 100644
--- a/module/zfs/dmu_tx.c
+++ b/module/zfs/dmu_tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dmu_zfetch.c b/module/zfs/dmu_zfetch.c
index ea593c0d86e1..c3e20572884b 100644
--- a/module/zfs/dmu_zfetch.c
+++ b/module/zfs/dmu_zfetch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dnode.c b/module/zfs/dnode.c
index ecc6761f8fa4..16442c6b7cc3 100644
--- a/module/zfs/dnode.c
+++ b/module/zfs/dnode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dnode_sync.c b/module/zfs/dnode_sync.c
index 122d7d0d17d8..b6572a35c522 100644
--- a/module/zfs/dnode_sync.c
+++ b/module/zfs/dnode_sync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_bookmark.c b/module/zfs/dsl_bookmark.c
index a65aded4efc4..e301fe19f645 100644
--- a/module/zfs/dsl_bookmark.c
+++ b/module/zfs/dsl_bookmark.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_crypt.c b/module/zfs/dsl_crypt.c
index 9e67b5ed4275..c6a7c818ae28 100644
--- a/module/zfs/dsl_crypt.c
+++ b/module/zfs/dsl_crypt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c
index 629edd813fb9..6f467fc0d3c2 100644
--- a/module/zfs/dsl_dataset.c
+++ b/module/zfs/dsl_dataset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_deadlist.c b/module/zfs/dsl_deadlist.c
index b1be8fae3b47..3113d932fb68 100644
--- a/module/zfs/dsl_deadlist.c
+++ b/module/zfs/dsl_deadlist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_deleg.c b/module/zfs/dsl_deleg.c
index 5e7a2b3fa595..c01a06e98340 100644
--- a/module/zfs/dsl_deleg.c
+++ b/module/zfs/dsl_deleg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_destroy.c b/module/zfs/dsl_destroy.c
index e6c7e79ed6c0..f5ec93b2dc5c 100644
--- a/module/zfs/dsl_destroy.c
+++ b/module/zfs/dsl_destroy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_dir.c b/module/zfs/dsl_dir.c
index 71f151b14d9b..a2348600866b 100644
--- a/module/zfs/dsl_dir.c
+++ b/module/zfs/dsl_dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_pool.c b/module/zfs/dsl_pool.c
index 39f97d7547c6..fa84ae8ea56b 100644
--- a/module/zfs/dsl_pool.c
+++ b/module/zfs/dsl_pool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_prop.c b/module/zfs/dsl_prop.c
index 1a0e83419e73..b76f22df61e2 100644
--- a/module/zfs/dsl_prop.c
+++ b/module/zfs/dsl_prop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_scan.c b/module/zfs/dsl_scan.c
index 3eba4cb35cc6..9685a338ed5b 100644
--- a/module/zfs/dsl_scan.c
+++ b/module/zfs/dsl_scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_synctask.c b/module/zfs/dsl_synctask.c
index 409e12884d91..d4de9443a70c 100644
--- a/module/zfs/dsl_synctask.c
+++ b/module/zfs/dsl_synctask.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/dsl_userhold.c b/module/zfs/dsl_userhold.c
index ffe208736ba3..57c70e4ce3d2 100644
--- a/module/zfs/dsl_userhold.c
+++ b/module/zfs/dsl_userhold.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/edonr_zfs.c b/module/zfs/edonr_zfs.c
index db21c9cf197c..c2503c261c4d 100644
--- a/module/zfs/edonr_zfs.c
+++ b/module/zfs/edonr_zfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/fm.c b/module/zfs/fm.c
index 77d87b694a43..028d9bb3074b 100644
--- a/module/zfs/fm.c
+++ b/module/zfs/fm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/gzip.c b/module/zfs/gzip.c
index e7fd6f63c4be..d183e9984564 100644
--- a/module/zfs/gzip.c
+++ b/module/zfs/gzip.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/hkdf.c b/module/zfs/hkdf.c
index 580544c8ac1a..bc2830b1658b 100644
--- a/module/zfs/hkdf.c
+++ b/module/zfs/hkdf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/lz4.c b/module/zfs/lz4.c
index 75a31bf17ea4..26dd09acd4d6 100644
--- a/module/zfs/lz4.c
+++ b/module/zfs/lz4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
    LZ4 - Fast LZ compression algorithm
    Copyright (C) 2011-present, Yann Collet.
diff --git a/module/zfs/lz4_zfs.c b/module/zfs/lz4_zfs.c
index 0033b5e50d1a..0c03a6855c75 100644
--- a/module/zfs/lz4_zfs.c
+++ b/module/zfs/lz4_zfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * LZ4 - Fast LZ compression algorithm
  * Header File
diff --git a/module/zfs/lzjb.c b/module/zfs/lzjb.c
index 2db549b1626f..b31f99149061 100644
--- a/module/zfs/lzjb.c
+++ b/module/zfs/lzjb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c
index 353a99605913..d7a851202d26 100644
--- a/module/zfs/metaslab.c
+++ b/module/zfs/metaslab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/mmp.c b/module/zfs/mmp.c
index 493884cf04c4..f3665d29b8b4 100644
--- a/module/zfs/mmp.c
+++ b/module/zfs/mmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/multilist.c b/module/zfs/multilist.c
index 3d3ef86e6839..7b85d19e19ee 100644
--- a/module/zfs/multilist.c
+++ b/module/zfs/multilist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/objlist.c b/module/zfs/objlist.c
index c80bab2a77bd..eb759eb5b4a8 100644
--- a/module/zfs/objlist.c
+++ b/module/zfs/objlist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/pathname.c b/module/zfs/pathname.c
index 51460d119106..112d4ff34b68 100644
--- a/module/zfs/pathname.c
+++ b/module/zfs/pathname.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/range_tree.c b/module/zfs/range_tree.c
index 5174e2c46633..301c507450a8 100644
--- a/module/zfs/range_tree.c
+++ b/module/zfs/range_tree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/refcount.c b/module/zfs/refcount.c
index 0dd7da1aa197..9cd0cfbcf8c2 100644
--- a/module/zfs/refcount.c
+++ b/module/zfs/refcount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/rrwlock.c b/module/zfs/rrwlock.c
index a8c438bb6ebd..8ee784619839 100644
--- a/module/zfs/rrwlock.c
+++ b/module/zfs/rrwlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/sa.c b/module/zfs/sa.c
index 31d30c1b406d..48ad335905b4 100644
--- a/module/zfs/sa.c
+++ b/module/zfs/sa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/sha2_zfs.c b/module/zfs/sha2_zfs.c
index 872b1e53ee66..ca5cdccba654 100644
--- a/module/zfs/sha2_zfs.c
+++ b/module/zfs/sha2_zfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/skein_zfs.c b/module/zfs/skein_zfs.c
index 4b2aca888eee..bd9ae18314cb 100644
--- a/module/zfs/skein_zfs.c
+++ b/module/zfs/skein_zfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index 956bae46ef1b..0a6ed396efb9 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa_checkpoint.c b/module/zfs/spa_checkpoint.c
index 4c3721c159be..8e15639ab771 100644
--- a/module/zfs/spa_checkpoint.c
+++ b/module/zfs/spa_checkpoint.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa_config.c b/module/zfs/spa_config.c
index a77874ea0dd3..de53de114979 100644
--- a/module/zfs/spa_config.c
+++ b/module/zfs/spa_config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa_errlog.c b/module/zfs/spa_errlog.c
index 18b3970ac0dc..3e08f261fda1 100644
--- a/module/zfs/spa_errlog.c
+++ b/module/zfs/spa_errlog.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa_history.c b/module/zfs/spa_history.c
index 81bb99eb2ccd..c0665afe91f3 100644
--- a/module/zfs/spa_history.c
+++ b/module/zfs/spa_history.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa_log_spacemap.c b/module/zfs/spa_log_spacemap.c
index a95152608578..d9f997a47685 100644
--- a/module/zfs/spa_log_spacemap.c
+++ b/module/zfs/spa_log_spacemap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c
index 7fae51cc2c52..d01c727714b2 100644
--- a/module/zfs/spa_misc.c
+++ b/module/zfs/spa_misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/spa_stats.c b/module/zfs/spa_stats.c
index 45a2f06263a0..3a479ddac87e 100644
--- a/module/zfs/spa_stats.c
+++ b/module/zfs/spa_stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/space_map.c b/module/zfs/space_map.c
index a336ff41eadb..d9182a0f488e 100644
--- a/module/zfs/space_map.c
+++ b/module/zfs/space_map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/space_reftree.c b/module/zfs/space_reftree.c
index ee11e162dd5b..c49789892fd2 100644
--- a/module/zfs/space_reftree.c
+++ b/module/zfs/space_reftree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/txg.c b/module/zfs/txg.c
index 5ce6be69be14..a30c1e3fbeab 100644
--- a/module/zfs/txg.c
+++ b/module/zfs/txg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/uberblock.c b/module/zfs/uberblock.c
index 22ee8036c473..f939cef9c4c0 100644
--- a/module/zfs/uberblock.c
+++ b/module/zfs/uberblock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/unique.c b/module/zfs/unique.c
index 799e4095db33..2fce8084b145 100644
--- a/module/zfs/unique.c
+++ b/module/zfs/unique.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index 96621b2bd657..932da097b1db 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_draid.c b/module/zfs/vdev_draid.c
index 419c8ac5bb28..8251faabc052 100644
--- a/module/zfs/vdev_draid.c
+++ b/module/zfs/vdev_draid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_draid_rand.c b/module/zfs/vdev_draid_rand.c
index fe1a75c11312..c6a2cc3c856f 100644
--- a/module/zfs/vdev_draid_rand.c
+++ b/module/zfs/vdev_draid_rand.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
 /*
  * Xorshift Pseudo Random Number Generator based on work by David Blackman
  * and Sebastiano Vigna (vigna@acm.org).
diff --git a/module/zfs/vdev_indirect.c b/module/zfs/vdev_indirect.c
index cd24f97ae7cd..ce8d79ee3a51 100644
--- a/module/zfs/vdev_indirect.c
+++ b/module/zfs/vdev_indirect.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_indirect_births.c b/module/zfs/vdev_indirect_births.c
index 65a57e73604f..c0127829c26c 100644
--- a/module/zfs/vdev_indirect_births.c
+++ b/module/zfs/vdev_indirect_births.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_indirect_mapping.c b/module/zfs/vdev_indirect_mapping.c
index e92495f2dd34..1515ddc1baa2 100644
--- a/module/zfs/vdev_indirect_mapping.c
+++ b/module/zfs/vdev_indirect_mapping.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_initialize.c b/module/zfs/vdev_initialize.c
index 0a7323f58df2..a7ad7f2691e7 100644
--- a/module/zfs/vdev_initialize.c
+++ b/module/zfs/vdev_initialize.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_label.c b/module/zfs/vdev_label.c
index 9d12bc2eb0a2..9c41ec0b4320 100644
--- a/module/zfs/vdev_label.c
+++ b/module/zfs/vdev_label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_mirror.c b/module/zfs/vdev_mirror.c
index 850569d1a35e..9f3dfce01799 100644
--- a/module/zfs/vdev_mirror.c
+++ b/module/zfs/vdev_mirror.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_missing.c b/module/zfs/vdev_missing.c
index d3580882c3e0..89786a1dfd96 100644
--- a/module/zfs/vdev_missing.c
+++ b/module/zfs/vdev_missing.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_queue.c b/module/zfs/vdev_queue.c
index 092b3f375be0..e85e3ec4b9f4 100644
--- a/module/zfs/vdev_queue.c
+++ b/module/zfs/vdev_queue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz.c b/module/zfs/vdev_raidz.c
index 6103f780e6bc..9fdd0a477c05 100644
--- a/module/zfs/vdev_raidz.c
+++ b/module/zfs/vdev_raidz.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math.c b/module/zfs/vdev_raidz_math.c
index 340d32b61bf8..0cd1cb0a546a 100644
--- a/module/zfs/vdev_raidz_math.c
+++ b/module/zfs/vdev_raidz_math.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_aarch64_neon.c b/module/zfs/vdev_raidz_math_aarch64_neon.c
index 4aa7bc2b9708..cfc4045fea48 100644
--- a/module/zfs/vdev_raidz_math_aarch64_neon.c
+++ b/module/zfs/vdev_raidz_math_aarch64_neon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_aarch64_neon_common.h b/module/zfs/vdev_raidz_math_aarch64_neon_common.h
index f0f6546f7f71..1ec4d0218bb0 100644
--- a/module/zfs/vdev_raidz_math_aarch64_neon_common.h
+++ b/module/zfs/vdev_raidz_math_aarch64_neon_common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_aarch64_neonx2.c b/module/zfs/vdev_raidz_math_aarch64_neonx2.c
index bd9de91a4ba8..f7766c7e07c6 100644
--- a/module/zfs/vdev_raidz_math_aarch64_neonx2.c
+++ b/module/zfs/vdev_raidz_math_aarch64_neonx2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_avx2.c b/module/zfs/vdev_raidz_math_avx2.c
index e5bbc7decbfa..d0311e522632 100644
--- a/module/zfs/vdev_raidz_math_avx2.c
+++ b/module/zfs/vdev_raidz_math_avx2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_avx512bw.c b/module/zfs/vdev_raidz_math_avx512bw.c
index 3b709ed34fc4..5ad2915e3266 100644
--- a/module/zfs/vdev_raidz_math_avx512bw.c
+++ b/module/zfs/vdev_raidz_math_avx512bw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_avx512f.c b/module/zfs/vdev_raidz_math_avx512f.c
index 5ec71a04133a..17eb9f7097c4 100644
--- a/module/zfs/vdev_raidz_math_avx512f.c
+++ b/module/zfs/vdev_raidz_math_avx512f.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_impl.h b/module/zfs/vdev_raidz_math_impl.h
index 5d77c5d046d5..97668025c494 100644
--- a/module/zfs/vdev_raidz_math_impl.h
+++ b/module/zfs/vdev_raidz_math_impl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_powerpc_altivec.c b/module/zfs/vdev_raidz_math_powerpc_altivec.c
index ff493b8b7bc0..6dee532d9633 100644
--- a/module/zfs/vdev_raidz_math_powerpc_altivec.c
+++ b/module/zfs/vdev_raidz_math_powerpc_altivec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_powerpc_altivec_common.h b/module/zfs/vdev_raidz_math_powerpc_altivec_common.h
index f76eb47a9c66..c0c78ab1de12 100644
--- a/module/zfs/vdev_raidz_math_powerpc_altivec_common.h
+++ b/module/zfs/vdev_raidz_math_powerpc_altivec_common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_scalar.c b/module/zfs/vdev_raidz_math_scalar.c
index b51352b4e90b..e1144839ed3f 100644
--- a/module/zfs/vdev_raidz_math_scalar.c
+++ b/module/zfs/vdev_raidz_math_scalar.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_sse2.c b/module/zfs/vdev_raidz_math_sse2.c
index 02b5d6a609ab..3be4edeaab18 100644
--- a/module/zfs/vdev_raidz_math_sse2.c
+++ b/module/zfs/vdev_raidz_math_sse2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_raidz_math_ssse3.c b/module/zfs/vdev_raidz_math_ssse3.c
index 244f137b3d09..4067aaead4b0 100644
--- a/module/zfs/vdev_raidz_math_ssse3.c
+++ b/module/zfs/vdev_raidz_math_ssse3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_rebuild.c b/module/zfs/vdev_rebuild.c
index f80ed1b401f9..cbbfbcecf92d 100644
--- a/module/zfs/vdev_rebuild.c
+++ b/module/zfs/vdev_rebuild.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_removal.c b/module/zfs/vdev_removal.c
index 08c85a874803..f713ee135910 100644
--- a/module/zfs/vdev_removal.c
+++ b/module/zfs/vdev_removal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_root.c b/module/zfs/vdev_root.c
index e132643dc330..8f6e49f25e1e 100644
--- a/module/zfs/vdev_root.c
+++ b/module/zfs/vdev_root.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/vdev_trim.c b/module/zfs/vdev_trim.c
index 9cf10332e8bf..b8adec444c6f 100644
--- a/module/zfs/vdev_trim.c
+++ b/module/zfs/vdev_trim.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zap.c b/module/zfs/zap.c
index 99fc4ec1928f..9711c91d7e4e 100644
--- a/module/zfs/zap.c
+++ b/module/zfs/zap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zap_leaf.c b/module/zfs/zap_leaf.c
index e396523a94b2..462aadf238cc 100644
--- a/module/zfs/zap_leaf.c
+++ b/module/zfs/zap_leaf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zap_micro.c b/module/zfs/zap_micro.c
index a9298d3e940e..411b1a9db5ab 100644
--- a/module/zfs/zap_micro.c
+++ b/module/zfs/zap_micro.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zcp.c b/module/zfs/zcp.c
index 7c279162a9d1..4cc3be6ddffc 100644
--- a/module/zfs/zcp.c
+++ b/module/zfs/zcp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zcp_get.c b/module/zfs/zcp_get.c
index 6fd45151d92a..2d4d6c04070b 100644
--- a/module/zfs/zcp_get.c
+++ b/module/zfs/zcp_get.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zcp_global.c b/module/zfs/zcp_global.c
index 8e166e0736d6..3fb677dc927e 100644
--- a/module/zfs/zcp_global.c
+++ b/module/zfs/zcp_global.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zcp_iter.c b/module/zfs/zcp_iter.c
index b4aa7a1317a6..119b8564c911 100644
--- a/module/zfs/zcp_iter.c
+++ b/module/zfs/zcp_iter.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zcp_set.c b/module/zfs/zcp_set.c
index cebb56a5f181..06dccafac9b1 100644
--- a/module/zfs/zcp_set.c
+++ b/module/zfs/zcp_set.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zcp_synctask.c b/module/zfs/zcp_synctask.c
index 058910054d97..b9a42ffba85c 100644
--- a/module/zfs/zcp_synctask.c
+++ b/module/zfs/zcp_synctask.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfeature.c b/module/zfs/zfeature.c
index 38479c7225ea..7dfe00d42a08 100644
--- a/module/zfs/zfeature.c
+++ b/module/zfs/zfeature.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_byteswap.c b/module/zfs/zfs_byteswap.c
index 8666883f09a2..f42d89f52037 100644
--- a/module/zfs/zfs_byteswap.c
+++ b/module/zfs/zfs_byteswap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_chksum.c b/module/zfs/zfs_chksum.c
index acedeab7a163..5c92be21c0c8 100644
--- a/module/zfs/zfs_chksum.c
+++ b/module/zfs/zfs_chksum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_fm.c b/module/zfs/zfs_fm.c
index 25b05abd3650..e41419bb3d07 100644
--- a/module/zfs/zfs_fm.c
+++ b/module/zfs/zfs_fm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_fuid.c b/module/zfs/zfs_fuid.c
index add4241dcc99..10a6d289fbf8 100644
--- a/module/zfs/zfs_fuid.c
+++ b/module/zfs/zfs_fuid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_impl.c b/module/zfs/zfs_impl.c
index 20322ff98b31..916fcd69777d 100644
--- a/module/zfs/zfs_impl.c
+++ b/module/zfs/zfs_impl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c
index b1b0ae54460b..599b82ded79b 100644
--- a/module/zfs/zfs_ioctl.c
+++ b/module/zfs/zfs_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_log.c b/module/zfs/zfs_log.c
index 16b07cc0a7d0..4374666e76b6 100644
--- a/module/zfs/zfs_log.c
+++ b/module/zfs/zfs_log.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_onexit.c b/module/zfs/zfs_onexit.c
index 7bf804b67790..7db4730d2fbf 100644
--- a/module/zfs/zfs_onexit.c
+++ b/module/zfs/zfs_onexit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_quota.c b/module/zfs/zfs_quota.c
index 0fe152bc4dd8..18d3dd94827f 100644
--- a/module/zfs/zfs_quota.c
+++ b/module/zfs/zfs_quota.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_ratelimit.c b/module/zfs/zfs_ratelimit.c
index 091562ca6852..2545e8efe67c 100644
--- a/module/zfs/zfs_ratelimit.c
+++ b/module/zfs/zfs_ratelimit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_replay.c b/module/zfs/zfs_replay.c
index 80c11d80f6c4..95eb8b2eea5e 100644
--- a/module/zfs/zfs_replay.c
+++ b/module/zfs/zfs_replay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_rlock.c b/module/zfs/zfs_rlock.c
index f42661df82e4..53eb3ef1b66e 100644
--- a/module/zfs/zfs_rlock.c
+++ b/module/zfs/zfs_rlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_sa.c b/module/zfs/zfs_sa.c
index fb2443b756f8..f90744eff9b6 100644
--- a/module/zfs/zfs_sa.c
+++ b/module/zfs/zfs_sa.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_vnops.c b/module/zfs/zfs_vnops.c
index b789d1ed5239..bbc29a489e73 100644
--- a/module/zfs/zfs_vnops.c
+++ b/module/zfs/zfs_vnops.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zfs_znode.c b/module/zfs/zfs_znode.c
index 824db8c689a7..f3c63984a63d 100644
--- a/module/zfs/zfs_znode.c
+++ b/module/zfs/zfs_znode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zil.c b/module/zfs/zil.c
index 3983da6aa424..a8b75029115a 100644
--- a/module/zfs/zil.c
+++ b/module/zfs/zil.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index b071ac17ed1f..1aa2f3be511b 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zio_checksum.c b/module/zfs/zio_checksum.c
index 0d2fda8d5270..a91775b04af2 100644
--- a/module/zfs/zio_checksum.c
+++ b/module/zfs/zio_checksum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zio_compress.c b/module/zfs/zio_compress.c
index 1a0178eb2830..9f0ac1b63146 100644
--- a/module/zfs/zio_compress.c
+++ b/module/zfs/zio_compress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zio_inject.c b/module/zfs/zio_inject.c
index f90044299cef..df7b01ba879e 100644
--- a/module/zfs/zio_inject.c
+++ b/module/zfs/zio_inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zle.c b/module/zfs/zle.c
index 7810161966dc..82e48e4178a0 100644
--- a/module/zfs/zle.c
+++ b/module/zfs/zle.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zrlock.c b/module/zfs/zrlock.c
index 0d50cc4712ca..3c0f1b7bbbc1 100644
--- a/module/zfs/zrlock.c
+++ b/module/zfs/zrlock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zthr.c b/module/zfs/zthr.c
index 02b9f0805dd7..597a510528ea 100644
--- a/module/zfs/zthr.c
+++ b/module/zfs/zthr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zfs/zvol.c b/module/zfs/zvol.c
index 14a6219d19cd..9ab2d8f42562 100644
--- a/module/zfs/zvol.c
+++ b/module/zfs/zvol.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/module/zstd/include/aarch64_compat.h b/module/zstd/include/aarch64_compat.h
index 088517d3d23b..9500a832b81c 100644
--- a/module/zstd/include/aarch64_compat.h
+++ b/module/zstd/include/aarch64_compat.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/include/limits.h b/module/zstd/include/limits.h
index 3bf5b67765ae..45b57f6e9f24 100644
--- a/module/zstd/include/limits.h
+++ b/module/zstd/include/limits.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/include/stddef.h b/module/zstd/include/stddef.h
index 3f46fb8b033e..24c250fa5d27 100644
--- a/module/zstd/include/stddef.h
+++ b/module/zstd/include/stddef.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/include/stdint.h b/module/zstd/include/stdint.h
index 2d98a556c23e..31e11f578687 100644
--- a/module/zstd/include/stdint.h
+++ b/module/zstd/include/stdint.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/include/stdio.h b/module/zstd/include/stdio.h
index 5a7c6ec69916..50b698fa2072 100644
--- a/module/zstd/include/stdio.h
+++ b/module/zstd/include/stdio.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/include/stdlib.h b/module/zstd/include/stdlib.h
index c341a0c84884..cc66184fa2a4 100644
--- a/module/zstd/include/stdlib.h
+++ b/module/zstd/include/stdlib.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/include/string.h b/module/zstd/include/string.h
index 7474e7f1af0f..b058bafc1ad5 100644
--- a/module/zstd/include/string.h
+++ b/module/zstd/include/string.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/include/zstd_compat_wrapper.h b/module/zstd/include/zstd_compat_wrapper.h
index 4e6561f31a68..51e67ab6b8ad 100644
--- a/module/zstd/include/zstd_compat_wrapper.h
+++ b/module/zstd/include/zstd_compat_wrapper.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/lib/common/bitstream.h b/module/zstd/lib/common/bitstream.h
index 37b99c01eed3..11b660adb3cb 100644
--- a/module/zstd/lib/common/bitstream.h
+++ b/module/zstd/lib/common/bitstream.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * bitstream
  * Part of FSE library
diff --git a/module/zstd/lib/common/compiler.h b/module/zstd/lib/common/compiler.h
index 95e9483521d4..d0f588e2ec3c 100644
--- a/module/zstd/lib/common/compiler.h
+++ b/module/zstd/lib/common/compiler.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/cpu.h b/module/zstd/lib/common/cpu.h
index 6e8a974f62d7..8e02d30bf9ba 100644
--- a/module/zstd/lib/common/cpu.h
+++ b/module/zstd/lib/common/cpu.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2018-2020, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/debug.h b/module/zstd/lib/common/debug.h
index ac6224888d8b..1c49d998ca6c 100644
--- a/module/zstd/lib/common/debug.h
+++ b/module/zstd/lib/common/debug.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * debug
  * Part of FSE library
diff --git a/module/zstd/lib/common/entropy_common.c b/module/zstd/lib/common/entropy_common.c
index 9d3e4e8e36ab..75877965f2c1 100644
--- a/module/zstd/lib/common/entropy_common.c
+++ b/module/zstd/lib/common/entropy_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * Common functions of New Generation Entropy library
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
diff --git a/module/zstd/lib/common/error_private.c b/module/zstd/lib/common/error_private.c
index cd437529c12b..63fa2866cade 100644
--- a/module/zstd/lib/common/error_private.c
+++ b/module/zstd/lib/common/error_private.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/error_private.h b/module/zstd/lib/common/error_private.h
index 982cf8e9fe6f..85b5aafc553b 100644
--- a/module/zstd/lib/common/error_private.h
+++ b/module/zstd/lib/common/error_private.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/fse.h b/module/zstd/lib/common/fse.h
index ff54e70ea75c..c9e0427c2795 100644
--- a/module/zstd/lib/common/fse.h
+++ b/module/zstd/lib/common/fse.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * FSE : Finite State Entropy codec
  * Public Prototypes declaration
diff --git a/module/zstd/lib/common/fse_decompress.c b/module/zstd/lib/common/fse_decompress.c
index 6b3205c63cc8..6932bdff5d83 100644
--- a/module/zstd/lib/common/fse_decompress.c
+++ b/module/zstd/lib/common/fse_decompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * FSE : Finite State Entropy decoder
  * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
diff --git a/module/zstd/lib/common/huf.h b/module/zstd/lib/common/huf.h
index ef432685dac8..d1926e48bb79 100644
--- a/module/zstd/lib/common/huf.h
+++ b/module/zstd/lib/common/huf.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * huff0 huffman codec,
  * part of Finite State Entropy library
diff --git a/module/zstd/lib/common/mem.h b/module/zstd/lib/common/mem.h
index 7fbb2e98215e..8110a287d1d4 100644
--- a/module/zstd/lib/common/mem.h
+++ b/module/zstd/lib/common/mem.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/pool.c b/module/zstd/lib/common/pool.c
index aa4b4de0d3f6..e804c01ede75 100644
--- a/module/zstd/lib/common/pool.c
+++ b/module/zstd/lib/common/pool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/pool.h b/module/zstd/lib/common/pool.h
index 259bafc97570..7f6f427f56d7 100644
--- a/module/zstd/lib/common/pool.h
+++ b/module/zstd/lib/common/pool.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/xxhash.c b/module/zstd/lib/common/xxhash.c
index 597de18fc895..d3d2e57addcc 100644
--- a/module/zstd/lib/common/xxhash.c
+++ b/module/zstd/lib/common/xxhash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  *  xxHash - Fast Hash algorithm
  *  Copyright (c) 2012-2020, Yann Collet, Facebook, Inc.
diff --git a/module/zstd/lib/common/xxhash.h b/module/zstd/lib/common/xxhash.h
index 4207eba8328f..ba48c8300a76 100644
--- a/module/zstd/lib/common/xxhash.h
+++ b/module/zstd/lib/common/xxhash.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * xxHash - Extremely Fast Hash algorithm
  * Header File
diff --git a/module/zstd/lib/common/zstd_common.c b/module/zstd/lib/common/zstd_common.c
index 935670b1dce3..d27e5461171a 100644
--- a/module/zstd/lib/common/zstd_common.c
+++ b/module/zstd/lib/common/zstd_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/zstd_errors.h b/module/zstd/lib/common/zstd_errors.h
index 998398e7e57f..4ff16dad1a16 100644
--- a/module/zstd/lib/common/zstd_errors.h
+++ b/module/zstd/lib/common/zstd_errors.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/common/zstd_internal.h b/module/zstd/lib/common/zstd_internal.h
index 4a86d186a967..6b1fc44cf9f6 100644
--- a/module/zstd/lib/common/zstd_internal.h
+++ b/module/zstd/lib/common/zstd_internal.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/fse_compress.c b/module/zstd/lib/compress/fse_compress.c
index e27414ccbbcd..cde33cf69ab6 100644
--- a/module/zstd/lib/compress/fse_compress.c
+++ b/module/zstd/lib/compress/fse_compress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * FSE : Finite State Entropy encoder
  * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
diff --git a/module/zstd/lib/compress/hist.c b/module/zstd/lib/compress/hist.c
index 61e08c7968be..1bda6b7d3606 100644
--- a/module/zstd/lib/compress/hist.c
+++ b/module/zstd/lib/compress/hist.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * hist : Histogram functions
  * part of Finite State Entropy project
diff --git a/module/zstd/lib/compress/hist.h b/module/zstd/lib/compress/hist.h
index 77e3ec4fb192..a63179e945d8 100644
--- a/module/zstd/lib/compress/hist.h
+++ b/module/zstd/lib/compress/hist.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * hist : Histogram functions
  * part of Finite State Entropy project
diff --git a/module/zstd/lib/compress/huf_compress.c b/module/zstd/lib/compress/huf_compress.c
index 546879868a53..bdb9eccc7e22 100644
--- a/module/zstd/lib/compress/huf_compress.c
+++ b/module/zstd/lib/compress/huf_compress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * Huffman encoder, part of New Generation Entropy library
  * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
diff --git a/module/zstd/lib/compress/zstd_compress.c b/module/zstd/lib/compress/zstd_compress.c
index 3f963b1cfff8..62dcac9f3013 100644
--- a/module/zstd/lib/compress/zstd_compress.c
+++ b/module/zstd/lib/compress/zstd_compress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_compress_internal.h b/module/zstd/lib/compress/zstd_compress_internal.h
index db73f6ce21f2..325f1749e3c1 100644
--- a/module/zstd/lib/compress/zstd_compress_internal.h
+++ b/module/zstd/lib/compress/zstd_compress_internal.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_compress_literals.c b/module/zstd/lib/compress/zstd_compress_literals.c
index 17e7168d8936..d3741d47f5e3 100644
--- a/module/zstd/lib/compress/zstd_compress_literals.c
+++ b/module/zstd/lib/compress/zstd_compress_literals.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_compress_literals.h b/module/zstd/lib/compress/zstd_compress_literals.h
index 8b0870574326..53e49dc8f643 100644
--- a/module/zstd/lib/compress/zstd_compress_literals.h
+++ b/module/zstd/lib/compress/zstd_compress_literals.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_compress_sequences.c b/module/zstd/lib/compress/zstd_compress_sequences.c
index f9f8097c839b..495d8703a357 100644
--- a/module/zstd/lib/compress/zstd_compress_sequences.c
+++ b/module/zstd/lib/compress/zstd_compress_sequences.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_compress_sequences.h b/module/zstd/lib/compress/zstd_compress_sequences.h
index 68c6f9a5acd8..ecd045725ec8 100644
--- a/module/zstd/lib/compress/zstd_compress_sequences.h
+++ b/module/zstd/lib/compress/zstd_compress_sequences.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_compress_superblock.c b/module/zstd/lib/compress/zstd_compress_superblock.c
index 77d05d394c39..a53454f1d00f 100644
--- a/module/zstd/lib/compress/zstd_compress_superblock.c
+++ b/module/zstd/lib/compress/zstd_compress_superblock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_compress_superblock.h b/module/zstd/lib/compress/zstd_compress_superblock.h
index 07f4cb1dc646..5dfcb79c80b6 100644
--- a/module/zstd/lib/compress/zstd_compress_superblock.h
+++ b/module/zstd/lib/compress/zstd_compress_superblock.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_cwksp.h b/module/zstd/lib/compress/zstd_cwksp.h
index a25c9263b7d7..4f1dcff5631c 100644
--- a/module/zstd/lib/compress/zstd_cwksp.h
+++ b/module/zstd/lib/compress/zstd_cwksp.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_double_fast.c b/module/zstd/lib/compress/zstd_double_fast.c
index 4a95c01a090d..f1c2e95a0f7d 100644
--- a/module/zstd/lib/compress/zstd_double_fast.c
+++ b/module/zstd/lib/compress/zstd_double_fast.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_double_fast.h b/module/zstd/lib/compress/zstd_double_fast.h
index 14d944d69bc1..da0dc59a96bb 100644
--- a/module/zstd/lib/compress/zstd_double_fast.h
+++ b/module/zstd/lib/compress/zstd_double_fast.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_fast.c b/module/zstd/lib/compress/zstd_fast.c
index 17894b85472f..3dbf323c9980 100644
--- a/module/zstd/lib/compress/zstd_fast.c
+++ b/module/zstd/lib/compress/zstd_fast.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_fast.h b/module/zstd/lib/compress/zstd_fast.h
index cf6aaa8e6750..e26f43b5ac55 100644
--- a/module/zstd/lib/compress/zstd_fast.h
+++ b/module/zstd/lib/compress/zstd_fast.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_lazy.c b/module/zstd/lib/compress/zstd_lazy.c
index 22d80597ec62..50b7c946a966 100644
--- a/module/zstd/lib/compress/zstd_lazy.c
+++ b/module/zstd/lib/compress/zstd_lazy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_lazy.h b/module/zstd/lib/compress/zstd_lazy.h
index 581936f03bd4..071be3d5f85c 100644
--- a/module/zstd/lib/compress/zstd_lazy.h
+++ b/module/zstd/lib/compress/zstd_lazy.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_ldm.c b/module/zstd/lib/compress/zstd_ldm.c
index 8c479483581c..26618d4e9bb7 100644
--- a/module/zstd/lib/compress/zstd_ldm.c
+++ b/module/zstd/lib/compress/zstd_ldm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_ldm.h b/module/zstd/lib/compress/zstd_ldm.h
index 229ea05a9e1e..2a7d15cf7a12 100644
--- a/module/zstd/lib/compress/zstd_ldm.h
+++ b/module/zstd/lib/compress/zstd_ldm.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_opt.c b/module/zstd/lib/compress/zstd_opt.c
index 36fff050cf5a..a70162a5418b 100644
--- a/module/zstd/lib/compress/zstd_opt.c
+++ b/module/zstd/lib/compress/zstd_opt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/compress/zstd_opt.h b/module/zstd/lib/compress/zstd_opt.h
index 9aba8a9018c5..231f4d523d92 100644
--- a/module/zstd/lib/compress/zstd_opt.h
+++ b/module/zstd/lib/compress/zstd_opt.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/decompress/huf_decompress.c b/module/zstd/lib/decompress/huf_decompress.c
index 68293a13096a..0a4c94e935f4 100644
--- a/module/zstd/lib/decompress/huf_decompress.c
+++ b/module/zstd/lib/decompress/huf_decompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * huff0 huffman decoder,
  * part of Finite State Entropy library
diff --git a/module/zstd/lib/decompress/zstd_ddict.c b/module/zstd/lib/decompress/zstd_ddict.c
index c8cb8ecc9524..7a91678b35c3 100644
--- a/module/zstd/lib/decompress/zstd_ddict.c
+++ b/module/zstd/lib/decompress/zstd_ddict.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/decompress/zstd_ddict.h b/module/zstd/lib/decompress/zstd_ddict.h
index af307efd3d76..fa3ec8003bc2 100644
--- a/module/zstd/lib/decompress/zstd_ddict.h
+++ b/module/zstd/lib/decompress/zstd_ddict.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/decompress/zstd_decompress.c b/module/zstd/lib/decompress/zstd_decompress.c
index be5c7cfc3347..4656a7234854 100644
--- a/module/zstd/lib/decompress/zstd_decompress.c
+++ b/module/zstd/lib/decompress/zstd_decompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/decompress/zstd_decompress_block.c b/module/zstd/lib/decompress/zstd_decompress_block.c
index 6f09e61b70cc..88567a8108fe 100644
--- a/module/zstd/lib/decompress/zstd_decompress_block.c
+++ b/module/zstd/lib/decompress/zstd_decompress_block.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/decompress/zstd_decompress_block.h b/module/zstd/lib/decompress/zstd_decompress_block.h
index bf39b7350cf9..7d0f26d403ef 100644
--- a/module/zstd/lib/decompress/zstd_decompress_block.h
+++ b/module/zstd/lib/decompress/zstd_decompress_block.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/decompress/zstd_decompress_internal.h b/module/zstd/lib/decompress/zstd_decompress_internal.h
index 9ad96c554885..37389fcbb3a6 100644
--- a/module/zstd/lib/decompress/zstd_decompress_internal.h
+++ b/module/zstd/lib/decompress/zstd_decompress_internal.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/lib/zstd.h b/module/zstd/lib/zstd.h
index 8c6fc6ae90e6..be955c259a83 100644
--- a/module/zstd/lib/zstd.h
+++ b/module/zstd/lib/zstd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
diff --git a/module/zstd/zfs_zstd.c b/module/zstd/zfs_zstd.c
index e113962f65b6..b42066fdb7c3 100644
--- a/module/zstd/zfs_zstd.c
+++ b/module/zstd/zfs_zstd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause New License (https://spdx.org/licenses/BSD-3-Clause.html)
  *
diff --git a/module/zstd/zstd-in.c b/module/zstd/zstd-in.c
index 121f375e5515..fb56b19fefd9 100644
--- a/module/zstd/zstd-in.c
+++ b/module/zstd/zstd-in.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /*
  * BSD 3-Clause Clear License
  *
diff --git a/scripts/cstyle.pl b/scripts/cstyle.pl
index 123020b08127..5a32ccc4e988 100755
--- a/scripts/cstyle.pl
+++ b/scripts/cstyle.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/env perl
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/scripts/kmodtool b/scripts/kmodtool
index 0d6af2c7f1d1..e24f206e698a 100755
--- a/scripts/kmodtool
+++ b/scripts/kmodtool
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: MIT
 # shellcheck disable=SC2086,SC2295
 
 # kmodtool - Helper script for building kernel module RPMs
diff --git a/scripts/make_gitrev.sh b/scripts/make_gitrev.sh
index 4a6a98f52929..f85c9db097f0 100755
--- a/scripts/make_gitrev.sh
+++ b/scripts/make_gitrev.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/scripts/spdxcheck.pl b/scripts/spdxcheck.pl
new file mode 100755
index 000000000000..bddda22334a8
--- /dev/null
+++ b/scripts/spdxcheck.pl
@@ -0,0 +1,432 @@
+#!/usr/bin/env perl
+
+# SPDX-License-Identifier: MIT
+#
+# Copyright (c) 2025, Rob Norris <robn@despairlabs.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+use 5.010;
+use warnings;
+use strict;
+
+# All files known to git are either "tagged" or "untagged". Tagged files are
+# expected to have a license tag, while untagged files are expected to _not_
+# have a license tag. There is no "optional" tag; all files are either "tagged"
+# or "untagged".
+#
+# Whether or not a file is tagged or untagged is determined using the patterns
+# in $tagged_patterns and $untagged_patterns and the following sequence:
+#
+# - if the file's full path is explicity listed in $tagged_patterns, then the
+#   file is tagged.
+#
+# - if the file's full path is explicitly listed in $untagged_patterns, then
+#   file is untagged.
+#
+# - if the filename matches a pattern in $tagged_patterns, and does not match a
+#   pattern in $untagged_patterns, then the file is tagged
+#
+# - otherwise, the file is untagged.
+#
+# The patterns do a simple glob-like match over the entire path relative to the
+# root of the git repo (no leading /). '*' matches as anything at that point,
+# across path fragments. '?' matches a single character.
+
+my $tagged_patterns = q(
+	# Compiled source files
+	*.c
+	*.h
+	*.S
+
+	# Python files, eg test suite drivers, libzfs bindings
+	*.py
+	*.py.in
+
+	# Various support scripts
+	*.sh
+	*.pl
+
+	# Test suite
+	*.ksh
+	*.ksh.in
+	*.kshlib
+	*.kshlib.in
+	*.shlib
+
+	# Test suite data files
+	*.run
+	*.cfg
+	*.cfg.in
+	*.fio
+	*.lua
+	*.zcp
+
+	# Manpages
+	man/man?/*.?
+	man/man?/*.?.in
+
+	# Unsuffixed programs (or generated of same)
+	cmd/arcstat.in
+	cmd/arc_summary
+	cmd/dbufstat.in
+	cmd/zilstat.in
+	cmd/zpool/zpool.d/*
+	etc/init.d/zfs-import.in
+	etc/init.d/zfs-load-key.in
+	etc/init.d/zfs-mount.in
+	etc/init.d/zfs-share.in
+	etc/init.d/zfs-zed.in
+	etc/zfs/zfs-functions.in
+
+	# Misc items that have clear licensing info but aren't easily matched,
+	# or are the first of a class that we aren't ready to match yet.
+	config/ax_code_coverage.m4
+	configure.ac
+	module/lua/README.zfs
+	scripts/kmodtool
+	tests/zfs-tests/tests/functional/inheritance/README.config
+	tests/zfs-tests/tests/functional/inheritance/README.state
+	cmd/zed/zed.d/statechange-notify.sh
+);
+
+my $untagged_patterns = q(
+	# Exclude CI tooling as it's not interesting for overall project
+	# licensing.
+	.github/*
+
+	# Everything below this has unclear licensing. Work is happening to
+	# identify and update them. Once one gains a tag it should be removed
+	# from this list.
+
+	cmd/zed/zed.d/*.sh
+	cmd/zpool/zpool.d/*
+
+	contrib/coverity/model.c
+	include/libzdb.h
+	include/os/freebsd/spl/sys/inttypes.h
+	include/os/freebsd/spl/sys/mode.h
+	include/os/freebsd/spl/sys/trace.h
+	include/os/freebsd/spl/sys/trace_zfs.h
+	include/os/freebsd/zfs/sys/zpl.h
+	include/os/linux/kernel/linux/page_compat.h
+	lib/libspl/include/os/freebsd/sys/sysmacros.h
+	lib/libspl/include/sys/string.h
+	lib/libspl/include/sys/trace_spl.h
+	lib/libspl/include/sys/trace_zfs.h
+	lib/libzdb/libzdb.c
+	module/lua/setjmp/setjmp.S
+	module/lua/setjmp/setjmp_ppc.S
+	module/zstd/include/sparc_compat.h
+	module/zstd/zstd_sparc.c
+	tests/zfs-tests/cmd/cp_files.c
+	tests/zfs-tests/cmd/zed_fd_spill-zedlet.c
+	tests/zfs-tests/tests/functional/tmpfile/tmpfile_001_pos.c
+	tests/zfs-tests/tests/functional/tmpfile/tmpfile_002_pos.c
+	tests/zfs-tests/tests/functional/tmpfile/tmpfile_003_pos.c
+	tests/zfs-tests/tests/functional/tmpfile/tmpfile_test.c
+
+	autogen.sh
+	contrib/bpftrace/zfs-trace.sh
+	contrib/pyzfs/docs/source/conf.py
+	contrib/pyzfs/libzfs_core/test/__init__.py
+	contrib/pyzfs/setup.py.in
+	contrib/zcp/autosnap.lua
+	scripts/commitcheck.sh
+	scripts/man-dates.sh
+	scripts/mancheck.sh
+	scripts/paxcheck.sh
+	scripts/zfs-helpers.sh
+	scripts/zfs-tests-color.sh
+	scripts/zfs.sh
+	scripts/zimport.sh
+	tests/zfs-tests/callbacks/zfs_failsafe.ksh
+	tests/zfs-tests/include/commands.cfg
+	tests/zfs-tests/include/tunables.cfg
+	tests/zfs-tests/include/zpool_script.shlib
+	tests/zfs-tests/tests/functional/mv_files/random_creation.ksh
+);
+
+# For files expected to have a license tags, these are the acceptable tags by
+# path. A file in one of these paths with a tag not listed here must be in the
+# override list below. If the file is not in any of these paths, then
+# $default_license_tags is used.
+my $default_license_tags = [
+    'CDDL-1.0', '0BSD', 'BSD-2-Clause', 'BSD-3-Clause', 'MIT'
+];
+
+my @path_license_tags = (
+	# Conventional wisdom is that the Linux SPL must be GPL2+ for
+	# kernel compatibility.
+	'module/os/linux/spl' => ['GPL-2.0-or-later'],
+	'include/os/linux/spl' => ['GPL-2.0-or-later'],
+
+	# Third-party code should keep it's original license
+	'module/zstd/lib' => ['BSD-3-Clause OR GPL-2.0-only'],
+	'module/lua' => ['MIT'],
+
+	# lua/setjmp is platform-specific code sourced from various places
+	'module/lua/setjmp' => $default_license_tags,
+
+	# Some of the fletcher modules are dual-licensed
+	'module/zcommon/zfs_fletcher' =>
+	    ['BSD-2-Clause OR GPL-2.0-only', 'CDDL-1.0'],
+
+	'module/icp' => ['Apache-2.0', 'CDDL-1.0'],
+
+	# Python bindings are always Apache-2.0
+	'contrib/pyzfs' => ['Apache-2.0'],
+);
+
+# This is a list of "special case" license tags that are in use in the tree,
+# and the files where they occur. these exist for a variety of reasons, and
+# generally should not be used for new code. If you need to bring in code that
+# has a different license from the acceptable ones listed above, then you will
+# also need to add it here, with rationale provided and approval given in your
+# PR.
+my %override_file_license_tags = (
+
+	# SPDX have repeatedly rejected the creation of a tag for a public
+	# domain dedication, as not all dedications are clear and unambiguious
+	# in their meaning and not all jurisdictions permit relinquishing a
+	# copyright anyway.
+	#
+	# A reasonably common workaround appears to be to create a local
+	# (project-specific) identifier to convey whatever meaning the project
+	# wishes it to. To cover OpenZFS' use of third-party code with a
+	# public domain dedication, we use this custom tag.
+	#
+	# Further reading:
+	#   https://github.com/spdx/old-wiki/blob/main/Pages/Legal%20Team/Decisions/Dealing%20with%20Public%20Domain%20within%20SPDX%20Files.md
+	#   https://spdx.github.io/spdx-spec/v2.3/other-licensing-information-detected/
+	#   https://cr.yp.to/spdx.html
+	#
+	'LicenseRef-OpenZFS-ThirdParty-PublicDomain' => [qw(
+		include/sys/skein.h
+		module/icp/algs/skein/skein_block.c
+		module/icp/algs/skein/skein.c
+		module/icp/algs/skein/skein_impl.h
+		module/icp/algs/skein/skein_iv.c
+		module/icp/algs/skein/skein_port.h
+		module/zfs/vdev_draid_rand.c
+	)],
+
+	# Legacy inclusions
+	'Brian-Gladman-3-Clause' => [qw(
+		module/icp/asm-x86_64/aes/aestab.h
+		module/icp/asm-x86_64/aes/aesopt.h
+		module/icp/asm-x86_64/aes/aeskey.c
+		module/icp/asm-x86_64/aes/aes_amd64.S
+	)],
+	'OpenSSL-standalone' => [qw(
+		module/icp/asm-x86_64/aes/aes_aesni.S
+	)],
+	'LGPL-2.1-or-later' => [qw(
+		config/ax_code_coverage.m4
+	)],
+
+	# Legacy inclusions of BSD-2-Clause files in Linux SPL.
+	'BSD-2-Clause' => [qw(
+		include/os/linux/spl/sys/debug.h
+		module/os/linux/spl/spl-zone.c
+	)],
+
+	# Temporary overrides for things that have the wrong license for
+	# their path. Work is underway to understand and resolve these.
+	'GPL-2.0-or-later' => [qw(
+		include/os/freebsd/spl/sys/kstat.h
+		include/os/freebsd/spl/sys/sunddi.h
+		include/sys/mod.h
+	)],
+	'CDDL-1.0' => [qw(
+		include/os/linux/spl/sys/errno.h
+		include/os/linux/spl/sys/ia32/asm_linkage.h
+		include/os/linux/spl/sys/misc.h
+		include/os/linux/spl/sys/procfs_list.h
+		include/os/linux/spl/sys/trace.h
+		include/os/linux/spl/sys/trace_spl.h
+		include/os/linux/spl/sys/trace_taskq.h
+		include/os/linux/spl/sys/wmsum.h
+		module/os/linux/spl/spl-procfs-list.c
+		module/os/linux/spl/spl-trace.c
+		module/lua/README.zfs
+	)],
+);
+
+##########
+
+sub setup_patterns {
+	my ($patterns) = @_;
+
+	my @re;
+	my @files;
+
+	for my $pat (split "\n", $patterns) {
+		# remove leading/trailing whitespace and comments
+		$pat =~ s/(:?^\s*|\s*(:?#.*)?$)//g;
+		# skip (now-)empty lines
+		next if $pat eq '';
+
+		# if the "pattern" has no metachars, then it's a literal file
+		# path and gets matched a bit more strongly
+		unless ($pat =~ m/[?*]/) {
+			push @files, $pat;
+			next;
+		}
+
+		# naive pattern to regex conversion
+
+		# escape simple metachars
+		$pat =~ s/([\.\(\[])/\Q$1\E/g;
+
+		$pat =~ s/\?/./g;	# glob ? -> regex .
+		$pat =~ s/\*/.*/g;	# glob * -> regex .*
+
+		push @re, $pat;
+	}
+
+	my $re = join '|', @re;
+	return (qr/^(?:$re)$/, { map { $_ => 1 } @files });
+};
+
+my ($tagged_re, $tagged_files) = setup_patterns($tagged_patterns);
+my ($untagged_re, $untagged_files) = setup_patterns($untagged_patterns);
+
+sub file_is_tagged {
+	my ($file) = @_;
+
+	# explicitly tagged
+	if ($tagged_files->{$file}) {
+		delete $tagged_files->{$file};
+		return 1;
+	}
+
+	# explicitly untagged
+	if ($untagged_files->{$file}) {
+		delete $untagged_files->{$file};
+		return 0;
+	}
+
+	# must match tagged patterns and not match untagged patterns
+	return ($file =~ $tagged_re) && !($file =~ $untagged_re);
+}
+
+my %override_tags = map {
+	my $tag = $_;
+	map { $_ => $tag } @{$override_file_license_tags{$_}};
+} keys %override_file_license_tags;
+
+##########
+
+my $rc = 0;
+
+# Get a list of all files known to git. This is a crude way of avoiding any
+# build artifacts that have tags embedded in them.
+my @git_files = sort grep { chomp } qx(git ls-tree --name-only -r HEAD);
+
+# Scan all files and work out if their tags are correct.
+for my $file (@git_files) {
+	# Ignore non-files. git can store other types of objects (submodule
+	# dirs, symlinks, etc) that aren't interesting for licensing.
+	next unless -f $file && ! -l $file;
+
+	# Open the file, and extract its license tag. We only check the first
+	# 4K of each file because many of these files are large, binary, or
+	# both.  For a typical source file that means the tag should be found
+	# within the first ~50 lines.
+	open my $fh, '<', $file or die "$0: couldn't open $file: $!\n";
+	my $nbytes = read $fh, my $buf, 4096;
+	die "$0: couldn't read $file: $!\n" if !defined $nbytes;
+
+	my ($tag) =
+	    $buf =~ m/\bSPDX-License-Identifier: ([A-Za-z0-9_\-\. ]+)$/smg;
+
+	close $fh;
+
+	# Decide if the file should have a tag at all
+	my $tagged = file_is_tagged($file);
+
+	# If no license tag is wanted, there's not much left to do
+	if (!$tagged) {
+		if (defined $tag) {
+			# untagged file has a tag, pattern change required
+			say "unexpected license tag: $file";
+			$rc = 1;
+		}
+		next;
+	}
+
+	# If a tag is required, but doesn't have one, warn and loop.
+	if (!defined $tag) {
+		say "missing license tag: $file";
+		$rc = 1;
+		next;
+	}
+
+	# Determine the set of valid license tags for this file. Start with
+	# the defaults.
+	my $tags = $default_license_tags;
+
+	if ($override_tags{$file}) {
+		# File has an explicit override, use it.
+		$tags = [delete $override_tags{$file}];
+	} else {
+		# Work through the path tag sets, taking the set with the
+		# most precise match. If no sets match, we fall through and
+		# are left with the default set.
+		my $matchlen = 0;
+		for (my $n = 0; $n < @path_license_tags; $n += 2) {
+			my ($path, $t) = @path_license_tags[$n,$n+1];
+			if (substr($file, 0, length($path)) eq $path &&
+			    length($path) > $matchlen) {
+				$tags = $t;
+				$matchlen = length($path);
+			}
+		}
+	}
+
+	# Confirm the file's tag is in the set, and warn if not.
+	my %tags = map { $_ => 1 } @$tags;
+	unless ($tags{$tag}) {
+		say "invalid license tag: $file";
+		say "    (got $tag; expected: @$tags)";
+		$rc = 1;
+		next;
+	}
+}
+
+##########
+
+# List any files explicitly listed as tagged or untagged that we didn't see.
+# Likely the file was removed from the repo but not from our lists.
+
+for my $file (sort keys %$tagged_files) {
+	say "explicitly tagged file not on disk: $file";
+	$rc = 1;
+}
+for my $file (sort keys %$untagged_files) {
+	say "explicitly untagged file not on disk: $file";
+	$rc = 1;
+}
+for my $file (sort keys %override_tags) {
+	say "explicitly overridden file not on disk: $file";
+	$rc = 1;
+}
+
+exit $rc;
diff --git a/scripts/zfs-tests.sh b/scripts/zfs-tests.sh
index 2906d73442c2..434f97a6e395 100755
--- a/scripts/zfs-tests.sh
+++ b/scripts/zfs-tests.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: CDDL-1.0
 # shellcheck disable=SC2154
 # shellcheck disable=SC2292
 #
diff --git a/scripts/zloop.sh b/scripts/zloop.sh
index 7cda23743382..04640396ce75 100755
--- a/scripts/zloop.sh
+++ b/scripts/zloop.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/runfiles/bclone.run b/tests/runfiles/bclone.run
index 3d0f545d9226..27b623284651 100644
--- a/tests/runfiles/bclone.run
+++ b/tests/runfiles/bclone.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/runfiles/common.run b/tests/runfiles/common.run
index e2edfc9ebbb5..904a7920580a 100644
--- a/tests/runfiles/common.run
+++ b/tests/runfiles/common.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/runfiles/freebsd.run b/tests/runfiles/freebsd.run
index 943c8eab2715..bf7d28f88a21 100644
--- a/tests/runfiles/freebsd.run
+++ b/tests/runfiles/freebsd.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/runfiles/linux.run b/tests/runfiles/linux.run
index 275772f2820e..595d50d6d53b 100644
--- a/tests/runfiles/linux.run
+++ b/tests/runfiles/linux.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/runfiles/longevity.run b/tests/runfiles/longevity.run
index fde2ef6ab92e..b6fc45b8147c 100644
--- a/tests/runfiles/longevity.run
+++ b/tests/runfiles/longevity.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/runfiles/perf-regression.run b/tests/runfiles/perf-regression.run
index ec081040d54d..f520fbad447d 100644
--- a/tests/runfiles/perf-regression.run
+++ b/tests/runfiles/perf-regression.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/runfiles/sanity.run b/tests/runfiles/sanity.run
index d6a791e3375d..5fc38bb2d218 100644
--- a/tests/runfiles/sanity.run
+++ b/tests/runfiles/sanity.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/runfiles/sunos.run b/tests/runfiles/sunos.run
index 9ba00f452ea4..2b3ce12e4fca 100644
--- a/tests/runfiles/sunos.run
+++ b/tests/runfiles/sunos.run
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/test-runner/bin/test-runner.py.in b/tests/test-runner/bin/test-runner.py.in
index 92fb64feeeef..42c1d20976c2 100755
--- a/tests/test-runner/bin/test-runner.py.in
+++ b/tests/test-runner/bin/test-runner.py.in
@@ -1,4 +1,5 @@
 #!/usr/bin/env @PYTHON_SHEBANG@
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/test-runner/bin/zts-report.py.in b/tests/test-runner/bin/zts-report.py.in
index 0bfc64959c38..bda3a6c44e8c 100755
--- a/tests/test-runner/bin/zts-report.py.in
+++ b/tests/test-runner/bin/zts-report.py.in
@@ -1,4 +1,5 @@
 #!/usr/bin/env @PYTHON_SHEBANG@
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/test-runner/include/logapi.shlib b/tests/test-runner/include/logapi.shlib
index 8a9ca3e87caf..670ecfefb986 100644
--- a/tests/test-runner/include/logapi.shlib
+++ b/tests/test-runner/include/logapi.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/callbacks/zfs_dbgmsg.ksh b/tests/zfs-tests/callbacks/zfs_dbgmsg.ksh
index 114bc5a0cce7..d3e4e5d8c7a7 100755
--- a/tests/zfs-tests/callbacks/zfs_dbgmsg.ksh
+++ b/tests/zfs-tests/callbacks/zfs_dbgmsg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/callbacks/zfs_dmesg.ksh b/tests/zfs-tests/callbacks/zfs_dmesg.ksh
index 9fee4b044958..73c654125319 100755
--- a/tests/zfs-tests/callbacks/zfs_dmesg.ksh
+++ b/tests/zfs-tests/callbacks/zfs_dmesg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/callbacks/zfs_mmp.ksh b/tests/zfs-tests/callbacks/zfs_mmp.ksh
index d57061438c54..9dcd27432bf0 100755
--- a/tests/zfs-tests/callbacks/zfs_mmp.ksh
+++ b/tests/zfs-tests/callbacks/zfs_mmp.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/cmd/badsend.c b/tests/zfs-tests/cmd/badsend.c
index 7a54532fb28d..3d2955ccdcf1 100644
--- a/tests/zfs-tests/cmd/badsend.c
+++ b/tests/zfs-tests/cmd/badsend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/btree_test.c b/tests/zfs-tests/cmd/btree_test.c
index fda9229915ce..e7b80d01efaa 100644
--- a/tests/zfs-tests/cmd/btree_test.c
+++ b/tests/zfs-tests/cmd/btree_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/checksum/blake3_test.c b/tests/zfs-tests/cmd/checksum/blake3_test.c
index aebe0363cc6e..e02c2a869810 100644
--- a/tests/zfs-tests/cmd/checksum/blake3_test.c
+++ b/tests/zfs-tests/cmd/checksum/blake3_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 
 /*
  * CDDL HEADER START
diff --git a/tests/zfs-tests/cmd/checksum/edonr_test.c b/tests/zfs-tests/cmd/checksum/edonr_test.c
index 1204f4c9d017..a95fff0255e6 100644
--- a/tests/zfs-tests/cmd/checksum/edonr_test.c
+++ b/tests/zfs-tests/cmd/checksum/edonr_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/checksum/sha2_test.c b/tests/zfs-tests/cmd/checksum/sha2_test.c
index d36b670db8ba..2ba6de875c8d 100644
--- a/tests/zfs-tests/cmd/checksum/sha2_test.c
+++ b/tests/zfs-tests/cmd/checksum/sha2_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/checksum/skein_test.c b/tests/zfs-tests/cmd/checksum/skein_test.c
index 20eb36d3e883..cf16cc768d38 100644
--- a/tests/zfs-tests/cmd/checksum/skein_test.c
+++ b/tests/zfs-tests/cmd/checksum/skein_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/chg_usr_exec.c b/tests/zfs-tests/cmd/chg_usr_exec.c
index 911c907b38ac..4048393b342b 100644
--- a/tests/zfs-tests/cmd/chg_usr_exec.c
+++ b/tests/zfs-tests/cmd/chg_usr_exec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/clone_mmap_cached.c b/tests/zfs-tests/cmd/clone_mmap_cached.c
index c1cdf796cfb4..b0be77798716 100644
--- a/tests/zfs-tests/cmd/clone_mmap_cached.c
+++ b/tests/zfs-tests/cmd/clone_mmap_cached.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/clone_mmap_write.c b/tests/zfs-tests/cmd/clone_mmap_write.c
index 6a5cd8721c57..8423b6568f75 100644
--- a/tests/zfs-tests/cmd/clone_mmap_write.c
+++ b/tests/zfs-tests/cmd/clone_mmap_write.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/ctime.c b/tests/zfs-tests/cmd/ctime.c
index 5ff1cea8a869..e1cf13130368 100644
--- a/tests/zfs-tests/cmd/ctime.c
+++ b/tests/zfs-tests/cmd/ctime.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/devname2devid.c b/tests/zfs-tests/cmd/devname2devid.c
index 0f3655be7143..f51680be6df8 100644
--- a/tests/zfs-tests/cmd/devname2devid.c
+++ b/tests/zfs-tests/cmd/devname2devid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/dir_rd_update.c b/tests/zfs-tests/cmd/dir_rd_update.c
index c0d283105a92..904bc3ae475e 100644
--- a/tests/zfs-tests/cmd/dir_rd_update.c
+++ b/tests/zfs-tests/cmd/dir_rd_update.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/draid.c b/tests/zfs-tests/cmd/draid.c
index fdcec7bc6958..8d0bdc450f80 100644
--- a/tests/zfs-tests/cmd/draid.c
+++ b/tests/zfs-tests/cmd/draid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/ereports.c b/tests/zfs-tests/cmd/ereports.c
index 42168997c0a8..f05579e153b4 100644
--- a/tests/zfs-tests/cmd/ereports.c
+++ b/tests/zfs-tests/cmd/ereports.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/file_append.c b/tests/zfs-tests/cmd/file/file_append.c
index 3c2e196121e1..66172dabca7c 100644
--- a/tests/zfs-tests/cmd/file/file_append.c
+++ b/tests/zfs-tests/cmd/file/file_append.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/file_check.c b/tests/zfs-tests/cmd/file/file_check.c
index 1976beffaf28..01f6ce208916 100644
--- a/tests/zfs-tests/cmd/file/file_check.c
+++ b/tests/zfs-tests/cmd/file/file_check.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/file_common.h b/tests/zfs-tests/cmd/file/file_common.h
index 2aedf2905aef..351a6827da31 100644
--- a/tests/zfs-tests/cmd/file/file_common.h
+++ b/tests/zfs-tests/cmd/file/file_common.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/file_fadvise.c b/tests/zfs-tests/cmd/file/file_fadvise.c
index d64e2dea3696..690b89eeafb6 100644
--- a/tests/zfs-tests/cmd/file/file_fadvise.c
+++ b/tests/zfs-tests/cmd/file/file_fadvise.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/file_trunc.c b/tests/zfs-tests/cmd/file/file_trunc.c
index 9e3bba24afdf..38e22282773d 100644
--- a/tests/zfs-tests/cmd/file/file_trunc.c
+++ b/tests/zfs-tests/cmd/file/file_trunc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/file_write.c b/tests/zfs-tests/cmd/file/file_write.c
index ce1fa5d9bc02..9a4b7c51d698 100644
--- a/tests/zfs-tests/cmd/file/file_write.c
+++ b/tests/zfs-tests/cmd/file/file_write.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/largest_file.c b/tests/zfs-tests/cmd/file/largest_file.c
index d7252556b3cf..82b795601d3f 100644
--- a/tests/zfs-tests/cmd/file/largest_file.c
+++ b/tests/zfs-tests/cmd/file/largest_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/randfree_file.c b/tests/zfs-tests/cmd/file/randfree_file.c
index 1bb897881830..8724318a890f 100644
--- a/tests/zfs-tests/cmd/file/randfree_file.c
+++ b/tests/zfs-tests/cmd/file/randfree_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/file/randwritecomp.c b/tests/zfs-tests/cmd/file/randwritecomp.c
index 2d5c0ec8643c..5beed7af5a45 100644
--- a/tests/zfs-tests/cmd/file/randwritecomp.c
+++ b/tests/zfs-tests/cmd/file/randwritecomp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/get_diff.c b/tests/zfs-tests/cmd/get_diff.c
index 61467f25014c..df63d3ba99c5 100644
--- a/tests/zfs-tests/cmd/get_diff.c
+++ b/tests/zfs-tests/cmd/get_diff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/getversion.c b/tests/zfs-tests/cmd/getversion.c
index 3626d1e968a3..07c5012ca8d7 100644
--- a/tests/zfs-tests/cmd/getversion.c
+++ b/tests/zfs-tests/cmd/getversion.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/idmap_util.c b/tests/zfs-tests/cmd/idmap_util.c
index 49483cbaa421..416e80714f9b 100644
--- a/tests/zfs-tests/cmd/idmap_util.c
+++ b/tests/zfs-tests/cmd/idmap_util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/libzfs_input_check.c b/tests/zfs-tests/cmd/libzfs_input_check.c
index 7d9ce4fada1b..4ef249bbd4a1 100644
--- a/tests/zfs-tests/cmd/libzfs_input_check.c
+++ b/tests/zfs-tests/cmd/libzfs_input_check.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/linux_dos_attributes/read_dos_attributes.c b/tests/zfs-tests/cmd/linux_dos_attributes/read_dos_attributes.c
index 07821140512e..7a8a8d5b2df6 100644
--- a/tests/zfs-tests/cmd/linux_dos_attributes/read_dos_attributes.c
+++ b/tests/zfs-tests/cmd/linux_dos_attributes/read_dos_attributes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/linux_dos_attributes/write_dos_attributes.c b/tests/zfs-tests/cmd/linux_dos_attributes/write_dos_attributes.c
index 3cea7d4b1c7d..2e49374e8ded 100644
--- a/tests/zfs-tests/cmd/linux_dos_attributes/write_dos_attributes.c
+++ b/tests/zfs-tests/cmd/linux_dos_attributes/write_dos_attributes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/manipulate_user_buffer.c b/tests/zfs-tests/cmd/manipulate_user_buffer.c
index 173581094443..712acf6829e3 100644
--- a/tests/zfs-tests/cmd/manipulate_user_buffer.c
+++ b/tests/zfs-tests/cmd/manipulate_user_buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/mkbusy.c b/tests/zfs-tests/cmd/mkbusy.c
index 78860381d880..ccc4b657c38e 100644
--- a/tests/zfs-tests/cmd/mkbusy.c
+++ b/tests/zfs-tests/cmd/mkbusy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/mkfile.c b/tests/zfs-tests/cmd/mkfile.c
index 3b61deed6bf5..5357458578a2 100644
--- a/tests/zfs-tests/cmd/mkfile.c
+++ b/tests/zfs-tests/cmd/mkfile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/mkfiles.c b/tests/zfs-tests/cmd/mkfiles.c
index 76be4dadb161..d33beaee3da4 100644
--- a/tests/zfs-tests/cmd/mkfiles.c
+++ b/tests/zfs-tests/cmd/mkfiles.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/mktree.c b/tests/zfs-tests/cmd/mktree.c
index 8ab38ee83aa8..297cf6dea415 100644
--- a/tests/zfs-tests/cmd/mktree.c
+++ b/tests/zfs-tests/cmd/mktree.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/mmap_exec.c b/tests/zfs-tests/cmd/mmap_exec.c
index 462f985398b6..686b583d4caf 100644
--- a/tests/zfs-tests/cmd/mmap_exec.c
+++ b/tests/zfs-tests/cmd/mmap_exec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/mmap_libaio.c b/tests/zfs-tests/cmd/mmap_libaio.c
index 5ee1f600a737..a3cad7bd19e1 100644
--- a/tests/zfs-tests/cmd/mmap_libaio.c
+++ b/tests/zfs-tests/cmd/mmap_libaio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/mmap_seek.c b/tests/zfs-tests/cmd/mmap_seek.c
index 2d250554a13f..45ba17e36c35 100644
--- a/tests/zfs-tests/cmd/mmap_seek.c
+++ b/tests/zfs-tests/cmd/mmap_seek.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/mmap_sync.c b/tests/zfs-tests/cmd/mmap_sync.c
index f9008eeaf31a..e0304ff787e7 100644
--- a/tests/zfs-tests/cmd/mmap_sync.c
+++ b/tests/zfs-tests/cmd/mmap_sync.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/mmapwrite.c b/tests/zfs-tests/cmd/mmapwrite.c
index 20a50085a227..61fcdc35af13 100644
--- a/tests/zfs-tests/cmd/mmapwrite.c
+++ b/tests/zfs-tests/cmd/mmapwrite.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/nvlist_to_lua.c b/tests/zfs-tests/cmd/nvlist_to_lua.c
index 57a8f51e1cc0..c57fc518072b 100644
--- a/tests/zfs-tests/cmd/nvlist_to_lua.c
+++ b/tests/zfs-tests/cmd/nvlist_to_lua.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/readmmap.c b/tests/zfs-tests/cmd/readmmap.c
index a5c8079d0e46..7f7efc4152f3 100644
--- a/tests/zfs-tests/cmd/readmmap.c
+++ b/tests/zfs-tests/cmd/readmmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/rename_dir.c b/tests/zfs-tests/cmd/rename_dir.c
index 568cbfe720b9..f342962785bb 100644
--- a/tests/zfs-tests/cmd/rename_dir.c
+++ b/tests/zfs-tests/cmd/rename_dir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/renameat2.c b/tests/zfs-tests/cmd/renameat2.c
index ddd10ffc3ac7..3c5752ce9930 100644
--- a/tests/zfs-tests/cmd/renameat2.c
+++ b/tests/zfs-tests/cmd/renameat2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /* SPDX-License-Identifier: CDDL-1.0 OR MPL-2.0 */
 /*
  * CDDL HEADER START
diff --git a/tests/zfs-tests/cmd/rm_lnkcnt_zero_file.c b/tests/zfs-tests/cmd/rm_lnkcnt_zero_file.c
index 0bf3b54cc090..1deeb7ba5f62 100644
--- a/tests/zfs-tests/cmd/rm_lnkcnt_zero_file.c
+++ b/tests/zfs-tests/cmd/rm_lnkcnt_zero_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/send_doall.c b/tests/zfs-tests/cmd/send_doall.c
index e0ab6c41812c..f2f4e23a54e0 100644
--- a/tests/zfs-tests/cmd/send_doall.c
+++ b/tests/zfs-tests/cmd/send_doall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/stride_dd.c b/tests/zfs-tests/cmd/stride_dd.c
index e1e45794cf16..b91afb6977fb 100644
--- a/tests/zfs-tests/cmd/stride_dd.c
+++ b/tests/zfs-tests/cmd/stride_dd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/suid_write_to_file.c b/tests/zfs-tests/cmd/suid_write_to_file.c
index 1a8157aa564f..d5e48eeb00a8 100644
--- a/tests/zfs-tests/cmd/suid_write_to_file.c
+++ b/tests/zfs-tests/cmd/suid_write_to_file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/threadsappend.c b/tests/zfs-tests/cmd/threadsappend.c
index b0ccd0ff6c42..bdbb2881f529 100644
--- a/tests/zfs-tests/cmd/threadsappend.c
+++ b/tests/zfs-tests/cmd/threadsappend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/truncate_test.c b/tests/zfs-tests/cmd/truncate_test.c
index 3e277e8657b5..0c97374db5cd 100644
--- a/tests/zfs-tests/cmd/truncate_test.c
+++ b/tests/zfs-tests/cmd/truncate_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/cmd/user_ns_exec.c b/tests/zfs-tests/cmd/user_ns_exec.c
index d781301473a9..48e28603f441 100644
--- a/tests/zfs-tests/cmd/user_ns_exec.c
+++ b/tests/zfs-tests/cmd/user_ns_exec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/xattrtest.c b/tests/zfs-tests/cmd/xattrtest.c
index 4e72e9182b60..a887e110c526 100644
--- a/tests/zfs-tests/cmd/xattrtest.c
+++ b/tests/zfs-tests/cmd/xattrtest.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/cmd/zfs_diff-socket.c b/tests/zfs-tests/cmd/zfs_diff-socket.c
index 3ebc95799fe3..2cd8f533d186 100644
--- a/tests/zfs-tests/cmd/zfs_diff-socket.c
+++ b/tests/zfs-tests/cmd/zfs_diff-socket.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * This file and its contents are supplied under the terms of the
  * Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/include/blkdev.shlib b/tests/zfs-tests/include/blkdev.shlib
index 5b505f925286..e77390db833d 100644
--- a/tests/zfs-tests/include/blkdev.shlib
+++ b/tests/zfs-tests/include/blkdev.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/include/default.cfg.in b/tests/zfs-tests/include/default.cfg.in
index db70a02a7828..f6b70691688b 100644
--- a/tests/zfs-tests/include/default.cfg.in
+++ b/tests/zfs-tests/include/default.cfg.in
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/include/kstat.shlib b/tests/zfs-tests/include/kstat.shlib
index c7615760592f..c8a2a8da4465 100644
--- a/tests/zfs-tests/include/kstat.shlib
+++ b/tests/zfs-tests/include/kstat.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/include/libtest.shlib b/tests/zfs-tests/include/libtest.shlib
index 0b6c675cdd2c..2c8a6d65bece 100644
--- a/tests/zfs-tests/include/libtest.shlib
+++ b/tests/zfs-tests/include/libtest.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/include/math.shlib b/tests/zfs-tests/include/math.shlib
index 2b5e60180f59..f8295475e452 100644
--- a/tests/zfs-tests/include/math.shlib
+++ b/tests/zfs-tests/include/math.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/include/properties.shlib b/tests/zfs-tests/include/properties.shlib
index 5a39eb3f36f5..b688c6c54260 100644
--- a/tests/zfs-tests/include/properties.shlib
+++ b/tests/zfs-tests/include/properties.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/acl/acl.cfg b/tests/zfs-tests/tests/functional/acl/acl.cfg
index e350f18469d6..63a3d2c482c4 100644
--- a/tests/zfs-tests/tests/functional/acl/acl.cfg
+++ b/tests/zfs-tests/tests/functional/acl/acl.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/acl_common.kshlib b/tests/zfs-tests/tests/functional/acl/acl_common.kshlib
index 2844f5dc13dc..889c911e1b19 100644
--- a/tests/zfs-tests/tests/functional/acl/acl_common.kshlib
+++ b/tests/zfs-tests/tests/functional/acl/acl_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/off/cleanup.ksh b/tests/zfs-tests/tests/functional/acl/off/cleanup.ksh
index 58ce22d547a2..9a465a484544 100755
--- a/tests/zfs-tests/tests/functional/acl/off/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/acl/off/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh b/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh
index fa304aeb917d..4db5efcfd942 100755
--- a/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh
+++ b/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/off/posixmode.ksh b/tests/zfs-tests/tests/functional/acl/off/posixmode.ksh
index df278ae2366c..4e4d34409cc3 100755
--- a/tests/zfs-tests/tests/functional/acl/off/posixmode.ksh
+++ b/tests/zfs-tests/tests/functional/acl/off/posixmode.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/off/setup.ksh b/tests/zfs-tests/tests/functional/acl/off/setup.ksh
index 9a0b949ad938..d218a900e9e4 100755
--- a/tests/zfs-tests/tests/functional/acl/off/setup.ksh
+++ b/tests/zfs-tests/tests/functional/acl/off/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix-sa/cleanup.ksh b/tests/zfs-tests/tests/functional/acl/posix-sa/cleanup.ksh
index 58ce22d547a2..9a465a484544 100755
--- a/tests/zfs-tests/tests/functional/acl/posix-sa/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix-sa/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix-sa/setup.ksh b/tests/zfs-tests/tests/functional/acl/posix-sa/setup.ksh
index 3bb3760507ca..1dfeda0bfa61 100755
--- a/tests/zfs-tests/tests/functional/acl/posix-sa/setup.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix-sa/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix/cleanup.ksh b/tests/zfs-tests/tests/functional/acl/posix/cleanup.ksh
index 58ce22d547a2..9a465a484544 100755
--- a/tests/zfs-tests/tests/functional/acl/posix/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix/posix_001_pos.ksh b/tests/zfs-tests/tests/functional/acl/posix/posix_001_pos.ksh
index 803c7816fedc..36fe8809d85d 100755
--- a/tests/zfs-tests/tests/functional/acl/posix/posix_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix/posix_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix/posix_002_pos.ksh b/tests/zfs-tests/tests/functional/acl/posix/posix_002_pos.ksh
index 4c0bc372b78b..2126de0d1a16 100755
--- a/tests/zfs-tests/tests/functional/acl/posix/posix_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix/posix_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix/posix_003_pos.ksh b/tests/zfs-tests/tests/functional/acl/posix/posix_003_pos.ksh
index 2a9c173ccb2c..dc983f462c82 100755
--- a/tests/zfs-tests/tests/functional/acl/posix/posix_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix/posix_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix/posix_004_pos.ksh b/tests/zfs-tests/tests/functional/acl/posix/posix_004_pos.ksh
index ffb5b4db71b4..ba96b02f53f9 100755
--- a/tests/zfs-tests/tests/functional/acl/posix/posix_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix/posix_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/acl/posix/setup.ksh b/tests/zfs-tests/tests/functional/acl/posix/setup.ksh
index 8ed9ab7e471e..1272431ba06f 100755
--- a/tests/zfs-tests/tests/functional/acl/posix/setup.ksh
+++ b/tests/zfs-tests/tests/functional/acl/posix/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class.cfg b/tests/zfs-tests/tests/functional/alloc_class/alloc_class.cfg
index 0bdae47f209d..0185eb91de1e 100644
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class.cfg
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class.kshlib b/tests/zfs-tests/tests/functional/alloc_class/alloc_class.kshlib
index 795e71b26b5a..be281c624042 100644
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class.kshlib
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_001_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_001_pos.ksh
index 3237d7cb784f..c827f2bad229 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_002_neg.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_002_neg.ksh
index b2cac59fd414..7d6924b2c9bf 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_003_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_003_pos.ksh
index 78d40ce56d4e..42d5deda3842 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_004_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_004_pos.ksh
index 04ce486adb83..684b6557e3f1 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_005_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_005_pos.ksh
index 08c703e21acb..3af46d993347 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_006_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_006_pos.ksh
index 5852b2876e89..f5f98cd891f2 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_007_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_007_pos.ksh
index 106a6d933aac..58edd4c029ef 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_008_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_008_pos.ksh
index f73fbbe38c9b..8f61d3124532 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_009_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_009_pos.ksh
index e8061fdabcbd..2223bb1c491d 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_010_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_010_pos.ksh
index cbf5cbf89bdc..7f9d108ed184 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_011_neg.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_011_neg.ksh
index 0be49b858758..a04e9ca43273 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_011_neg.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_011_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_012_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_012_pos.ksh
index 0b1c18bafdaf..743a717b2e88 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_013_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_013_pos.ksh
index 624cab88af0c..1eed7a8b7fde 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_014_neg.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_014_neg.ksh
index 1b52014fd2d9..e16b64a964e4 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_014_neg.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_014_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_015_pos.ksh b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_015_pos.ksh
index 49c468af6702..9d34375b74ca 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/alloc_class_015_pos.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/alloc_class_015_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/cleanup.ksh b/tests/zfs-tests/tests/functional/alloc_class/cleanup.ksh
index 13775da91936..5ce0318fcaca 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/alloc_class/setup.ksh b/tests/zfs-tests/tests/functional/alloc_class/setup.ksh
index bdccdb989563..9ae8b8f2b6c4 100755
--- a/tests/zfs-tests/tests/functional/alloc_class/setup.ksh
+++ b/tests/zfs-tests/tests/functional/alloc_class/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/append/cleanup.ksh b/tests/zfs-tests/tests/functional/append/cleanup.ksh
index 7d8f3aafb771..bd55af680a32 100755
--- a/tests/zfs-tests/tests/functional/append/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/append/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/append/file_append.ksh b/tests/zfs-tests/tests/functional/append/file_append.ksh
index 52c3aff17b79..2c722127ca7e 100755
--- a/tests/zfs-tests/tests/functional/append/file_append.ksh
+++ b/tests/zfs-tests/tests/functional/append/file_append.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/append/setup.ksh b/tests/zfs-tests/tests/functional/append/setup.ksh
index 4642f3a1925c..5eef2aa8270e 100755
--- a/tests/zfs-tests/tests/functional/append/setup.ksh
+++ b/tests/zfs-tests/tests/functional/append/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/append/threadsappend_001_pos.ksh b/tests/zfs-tests/tests/functional/append/threadsappend_001_pos.ksh
index 8ce79c12a04a..aaea73f82d7f 100755
--- a/tests/zfs-tests/tests/functional/append/threadsappend_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/append/threadsappend_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh b/tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh
index 6650b2e1a4d7..148134b457b2 100755
--- a/tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh
+++ b/tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/arc/cleanup.ksh b/tests/zfs-tests/tests/functional/arc/cleanup.ksh
index 72a091d25157..71dfed6e5dc8 100755
--- a/tests/zfs-tests/tests/functional/arc/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/arc/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/arc/dbufstats_001_pos.ksh b/tests/zfs-tests/tests/functional/arc/dbufstats_001_pos.ksh
index 552a27e98102..4bec67f8d218 100755
--- a/tests/zfs-tests/tests/functional/arc/dbufstats_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/arc/dbufstats_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/arc/dbufstats_002_pos.ksh b/tests/zfs-tests/tests/functional/arc/dbufstats_002_pos.ksh
index 2908895d0c6a..946d1793bfae 100755
--- a/tests/zfs-tests/tests/functional/arc/dbufstats_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/arc/dbufstats_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/arc/dbufstats_003_pos.ksh b/tests/zfs-tests/tests/functional/arc/dbufstats_003_pos.ksh
index 7be57bc9f255..ea5d1b74cbe3 100755
--- a/tests/zfs-tests/tests/functional/arc/dbufstats_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/arc/dbufstats_003_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/arc/setup.ksh b/tests/zfs-tests/tests/functional/arc/setup.ksh
index a499d7415077..760b43ae3935 100755
--- a/tests/zfs-tests/tests/functional/arc/setup.ksh
+++ b/tests/zfs-tests/tests/functional/arc/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/atime.cfg b/tests/zfs-tests/tests/functional/atime/atime.cfg
index eece764248cd..2df04a841d5b 100644
--- a/tests/zfs-tests/tests/functional/atime/atime.cfg
+++ b/tests/zfs-tests/tests/functional/atime/atime.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/atime_001_pos.ksh b/tests/zfs-tests/tests/functional/atime/atime_001_pos.ksh
index 9006afbeed97..580302bc3ec6 100755
--- a/tests/zfs-tests/tests/functional/atime/atime_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/atime/atime_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/atime_002_neg.ksh b/tests/zfs-tests/tests/functional/atime/atime_002_neg.ksh
index 8fde4f23455c..edfd3c5b8352 100755
--- a/tests/zfs-tests/tests/functional/atime/atime_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/atime/atime_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/atime_003_pos.ksh b/tests/zfs-tests/tests/functional/atime/atime_003_pos.ksh
index 28d973c71f83..df345b1d304c 100755
--- a/tests/zfs-tests/tests/functional/atime/atime_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/atime/atime_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/atime_common.kshlib b/tests/zfs-tests/tests/functional/atime/atime_common.kshlib
index 1755f0b49732..3a29fd878881 100644
--- a/tests/zfs-tests/tests/functional/atime/atime_common.kshlib
+++ b/tests/zfs-tests/tests/functional/atime/atime_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/cleanup.ksh b/tests/zfs-tests/tests/functional/atime/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/atime/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/atime/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/root_atime_off.ksh b/tests/zfs-tests/tests/functional/atime/root_atime_off.ksh
index 9c1bf3150570..81bf43a49aa0 100755
--- a/tests/zfs-tests/tests/functional/atime/root_atime_off.ksh
+++ b/tests/zfs-tests/tests/functional/atime/root_atime_off.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/root_atime_on.ksh b/tests/zfs-tests/tests/functional/atime/root_atime_on.ksh
index 3b6a0d9004ce..06a3d5d87cac 100755
--- a/tests/zfs-tests/tests/functional/atime/root_atime_on.ksh
+++ b/tests/zfs-tests/tests/functional/atime/root_atime_on.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/root_relatime_on.ksh b/tests/zfs-tests/tests/functional/atime/root_relatime_on.ksh
index 062325938ef2..749fc15964e9 100755
--- a/tests/zfs-tests/tests/functional/atime/root_relatime_on.ksh
+++ b/tests/zfs-tests/tests/functional/atime/root_relatime_on.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/atime/setup.ksh b/tests/zfs-tests/tests/functional/atime/setup.ksh
index f662bffbc374..68dfa0429660 100755
--- a/tests/zfs-tests/tests/functional/atime/setup.ksh
+++ b/tests/zfs-tests/tests/functional/atime/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone.cfg b/tests/zfs-tests/tests/functional/bclone/bclone.cfg
index f72d17c1beca..7078529e7c23 100644
--- a/tests/zfs-tests/tests/functional/bclone/bclone.cfg
+++ b/tests/zfs-tests/tests/functional/bclone/bclone.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_common.kshlib b/tests/zfs-tests/tests/functional/bclone/bclone_common.kshlib
index 4c52bebad081..c0c425c014c4 100644
--- a/tests/zfs-tests/tests/functional/bclone/bclone_common.kshlib
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_corner_cases.kshlib b/tests/zfs-tests/tests/functional/bclone/bclone_corner_cases.kshlib
index dbb47563bebf..ab9d19f2c258 100644
--- a/tests/zfs-tests/tests/functional/bclone/bclone_corner_cases.kshlib
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_corner_cases.kshlib
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases.ksh
index 35188cddb063..ac77cc42bf58 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases_limited.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases_limited.ksh
index 1fc1bbd07fd9..452a5adb83e0 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases_limited.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_corner_cases_limited.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_data.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_data.ksh
index e2fe25d451dd..352ff835781a 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_data.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_data.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_embedded.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_embedded.ksh
index 6a6fe1d309a9..651f383b99db 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_embedded.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_embedded.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_hole.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_hole.ksh
index d4c33d6da30f..0ee42286e5e5 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_hole.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_crossfs_hole.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_all.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_all.ksh
index a5e7282fe6a8..498728a142dc 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_all.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_all.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_checksum.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_checksum.ksh
index 7e064a0dfd73..ed048ab9c0ee 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_checksum.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_checksum.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_compress.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_compress.ksh
index e1d6e5949218..158e9e7ea20b 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_compress.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_compress.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_copies.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_copies.ksh
index ac823e1ec394..67335177a903 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_copies.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_copies.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_recordsize.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_recordsize.ksh
index d833e6123106..8b3de1dd0033 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_recordsize.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_diffprops_recordsize.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_prop_sync.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_prop_sync.ksh
index 08ed5717b9da..fc93d778836d 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_prop_sync.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_prop_sync.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases.ksh
index 4aa2914da299..c8fb31c6f58c 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases_limited.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases_limited.ksh
index b4737700eb7d..8a6576825d7d 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases_limited.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_corner_cases_limited.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_data.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_data.ksh
index e964f7bbf641..17f5baaadb46 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_data.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_data.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_embedded.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_embedded.ksh
index df393a878015..d7901c8549ff 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_embedded.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_embedded.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_hole.ksh b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_hole.ksh
index 3c6e345e6e64..8d173ad2107d 100755
--- a/tests/zfs-tests/tests/functional/bclone/bclone_samefs_hole.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/bclone_samefs_hole.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/cleanup.ksh b/tests/zfs-tests/tests/functional/bclone/cleanup.ksh
index 0021ccb57ae0..7c2643ff5f17 100755
--- a/tests/zfs-tests/tests/functional/bclone/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bclone/setup.ksh b/tests/zfs-tests/tests/functional/bclone/setup.ksh
index 9d26088c5a8a..f81be5666390 100755
--- a/tests/zfs-tests/tests/functional/bclone/setup.ksh
+++ b/tests/zfs-tests/tests/functional/bclone/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning.kshlib b/tests/zfs-tests/tests/functional/block_cloning/block_cloning.kshlib
index d59329d8748e..6ff65fe3aa80 100644
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning.kshlib
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning.kshlib
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_cached.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_cached.ksh
index b0ef8ec99533..ada4d21c1588 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_cached.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_cached.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_write.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_write.ksh
index 6215b3178e7e..93aa8eb38488 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_write.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_clone_mmap_write.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange.ksh
index 0599739abee6..ab81aa8a9e00 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_cross_dataset.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_cross_dataset.ksh
index ad83d30291ac..908b4430d874 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_cross_dataset.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_cross_dataset.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback.ksh
index 475910be7478..46ada3cb93e1 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback_same_txg.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback_same_txg.ksh
index 00982f68db86..c10f1841443c 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback_same_txg.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_fallback_same_txg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_partial.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_partial.ksh
index 38c46e4741cb..99bf12a38dbe 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_partial.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_copyfilerange_partial.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_cross_enc_dataset.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_cross_enc_dataset.ksh
index f85e4f038a3e..de2ddc15234e 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_cross_enc_dataset.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_cross_enc_dataset.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_copyfilerange.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_copyfilerange.ksh
index 3d916ab92165..b256ed93c162 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_copyfilerange.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_copyfilerange.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlone.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlone.ksh
index 10a2715ea253..8e6ac4227000 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlone.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlone.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlonerange.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlonerange.ksh
index e8461e6d3c38..cedb7753ddf4 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlonerange.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_disabled_ficlonerange.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlone.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlone.ksh
index 3f227fb68ee3..9a9e65021f5c 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlone.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlone.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange.ksh
index cefc4336aefd..44f8bcdb1059 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange_partial.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange_partial.ksh
index 067f55aaa65b..8d458bef8ccc 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange_partial.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_ficlonerange_partial.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_large_offset.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_large_offset.ksh
index 1d5a2619ebf3..02069779967a 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_large_offset.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_large_offset.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_lwb_buffer_overflow.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_lwb_buffer_overflow.ksh
index 919f320dea3f..156b29938fdb 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_lwb_buffer_overflow.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_lwb_buffer_overflow.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay.ksh
index 530152004686..df8d32e81607 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay_encrypted.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay_encrypted.ksh
index 0967415b7b7b..020bf3a42cd5 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_replay_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_rlimit_fsize.ksh b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_rlimit_fsize.ksh
index 3632fc9a4df0..c41873da710f 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/block_cloning_rlimit_fsize.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/block_cloning_rlimit_fsize.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/cleanup.ksh b/tests/zfs-tests/tests/functional/block_cloning/cleanup.ksh
index b985445a5d12..2fd699e51ef1 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/block_cloning/setup.ksh b/tests/zfs-tests/tests/functional/block_cloning/setup.ksh
index a9b13f062a4e..0897e83f062d 100755
--- a/tests/zfs-tests/tests/functional/block_cloning/setup.ksh
+++ b/tests/zfs-tests/tests/functional/block_cloning/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_001_pos.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_001_pos.ksh
index add455eb13ee..b07f449d7981 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_002_neg.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_002_neg.ksh
index a4324a63c710..cfe403b16b7f 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_003_pos.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_003_pos.ksh
index e1d27d1cc6df..0b76145bbeae 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_004_neg.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_004_neg.ksh
index fa341622f3cf..f238e506f2e8 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_005_neg.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_005_neg.ksh
index 39a9a85b44a7..83ed92293a1a 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_006_pos.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_006_pos.ksh
index cdd69f4a5b2f..352b4f967af8 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_007_pos.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_007_pos.ksh
index 5750fe9338eb..a66135148c10 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/bootfs_008_pos.ksh b/tests/zfs-tests/tests/functional/bootfs/bootfs_008_pos.ksh
index 270a3d706339..0413b9f88386 100755
--- a/tests/zfs-tests/tests/functional/bootfs/bootfs_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/bootfs_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/cleanup.ksh b/tests/zfs-tests/tests/functional/bootfs/cleanup.ksh
index eb542c0092fc..9d2689054031 100755
--- a/tests/zfs-tests/tests/functional/bootfs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/cleanup.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/bootfs/setup.ksh b/tests/zfs-tests/tests/functional/bootfs/setup.ksh
index 2f89df767e4d..2ff860590bd6 100755
--- a/tests/zfs-tests/tests/functional/bootfs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/bootfs/setup.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/btree/btree_negative.ksh b/tests/zfs-tests/tests/functional/btree/btree_negative.ksh
index 667ac87b4fea..ae4159bcfd6f 100755
--- a/tests/zfs-tests/tests/functional/btree/btree_negative.ksh
+++ b/tests/zfs-tests/tests/functional/btree/btree_negative.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/btree/btree_positive.ksh b/tests/zfs-tests/tests/functional/btree/btree_positive.ksh
index badbac2fab50..91bc0c7e6d5d 100755
--- a/tests/zfs-tests/tests/functional/btree/btree_positive.ksh
+++ b/tests/zfs-tests/tests/functional/btree/btree_positive.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cache/cache.cfg b/tests/zfs-tests/tests/functional/cache/cache.cfg
index 84dd78438d61..35ca126f0a89 100644
--- a/tests/zfs-tests/tests/functional/cache/cache.cfg
+++ b/tests/zfs-tests/tests/functional/cache/cache.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache.kshlib b/tests/zfs-tests/tests/functional/cache/cache.kshlib
index 63cc0b28ecf1..aca8e60cf4d2 100644
--- a/tests/zfs-tests/tests/functional/cache/cache.kshlib
+++ b/tests/zfs-tests/tests/functional/cache/cache.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_001_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_001_pos.ksh
index c77668cf7deb..86d13c7bf362 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_002_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_002_pos.ksh
index 5f1dc75c9919..f827b848704c 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_003_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_003_pos.ksh
index f2a2777dc6ce..4dc6c8ba1d4c 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_004_neg.ksh b/tests/zfs-tests/tests/functional/cache/cache_004_neg.ksh
index fe74cbaf1dae..99fc978d4524 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_005_neg.ksh b/tests/zfs-tests/tests/functional/cache/cache_005_neg.ksh
index 59afbb0186b6..ea5597daa2f0 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_006_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_006_pos.ksh
index 2f00b43f3424..cbf43734f508 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_007_neg.ksh b/tests/zfs-tests/tests/functional/cache/cache_007_neg.ksh
index 721dd2e04837..ca85deb1fb10 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_008_neg.ksh b/tests/zfs-tests/tests/functional/cache/cache_008_neg.ksh
index d0c3f621b756..81365f7b5637 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_009_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_009_pos.ksh
index 1d83e144266e..2128ae39d2ec 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_010_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_010_pos.ksh
index b912eeec8769..e096facd98a7 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_011_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_011_pos.ksh
index 0e48ac5e2a9e..0231db5277b5 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cache_012_pos.ksh b/tests/zfs-tests/tests/functional/cache/cache_012_pos.ksh
index b8deafc5b30c..e8e9ed5ddc02 100755
--- a/tests/zfs-tests/tests/functional/cache/cache_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cache_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/cleanup.ksh b/tests/zfs-tests/tests/functional/cache/cleanup.ksh
index 23d9e2d45286..a3b2862d31ad 100755
--- a/tests/zfs-tests/tests/functional/cache/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cache/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cache/setup.ksh b/tests/zfs-tests/tests/functional/cache/setup.ksh
index 84d11a4d70e6..d35704a934e1 100755
--- a/tests/zfs-tests/tests/functional/cache/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cache/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/cachefile.cfg b/tests/zfs-tests/tests/functional/cachefile/cachefile.cfg
index 47b0853184e0..78e0ebcae0a3 100644
--- a/tests/zfs-tests/tests/functional/cachefile/cachefile.cfg
+++ b/tests/zfs-tests/tests/functional/cachefile/cachefile.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/cachefile.kshlib b/tests/zfs-tests/tests/functional/cachefile/cachefile.kshlib
index 463355371c75..eb8536f2e9a5 100644
--- a/tests/zfs-tests/tests/functional/cachefile/cachefile.kshlib
+++ b/tests/zfs-tests/tests/functional/cachefile/cachefile.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/cachefile_001_pos.ksh b/tests/zfs-tests/tests/functional/cachefile/cachefile_001_pos.ksh
index 256c2d38878b..4746201f8c3b 100755
--- a/tests/zfs-tests/tests/functional/cachefile/cachefile_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cachefile/cachefile_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/cachefile_002_pos.ksh b/tests/zfs-tests/tests/functional/cachefile/cachefile_002_pos.ksh
index 71039c11b2be..e14499d56893 100755
--- a/tests/zfs-tests/tests/functional/cachefile/cachefile_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cachefile/cachefile_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/cachefile_003_pos.ksh b/tests/zfs-tests/tests/functional/cachefile/cachefile_003_pos.ksh
index 4a6d28f69333..81329d4c2034 100755
--- a/tests/zfs-tests/tests/functional/cachefile/cachefile_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cachefile/cachefile_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/cachefile_004_pos.ksh b/tests/zfs-tests/tests/functional/cachefile/cachefile_004_pos.ksh
index 59a3b7dcf995..0f2208b0f3c5 100755
--- a/tests/zfs-tests/tests/functional/cachefile/cachefile_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cachefile/cachefile_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/cleanup.ksh b/tests/zfs-tests/tests/functional/cachefile/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cachefile/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cachefile/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cachefile/setup.ksh b/tests/zfs-tests/tests/functional/cachefile/setup.ksh
index de6c2be66b7b..5feea155eec7 100755
--- a/tests/zfs-tests/tests/functional/cachefile/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cachefile/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/casenorm/case_all_values.ksh b/tests/zfs-tests/tests/functional/casenorm/case_all_values.ksh
index 6e73b5c2c63d..a9327189bfff 100755
--- a/tests/zfs-tests/tests/functional/casenorm/case_all_values.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/case_all_values.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/casenorm.cfg b/tests/zfs-tests/tests/functional/casenorm/casenorm.cfg
index 5d2efbf000b1..24a773d7a2bd 100644
--- a/tests/zfs-tests/tests/functional/casenorm/casenorm.cfg
+++ b/tests/zfs-tests/tests/functional/casenorm/casenorm.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/casenorm/casenorm.kshlib b/tests/zfs-tests/tests/functional/casenorm/casenorm.kshlib
index ad5b5367ae48..525da5ff6538 100644
--- a/tests/zfs-tests/tests/functional/casenorm/casenorm.kshlib
+++ b/tests/zfs-tests/tests/functional/casenorm/casenorm.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/casenorm/cleanup.ksh b/tests/zfs-tests/tests/functional/casenorm/cleanup.ksh
index 98af72d2e7ab..8aa81499d655 100755
--- a/tests/zfs-tests/tests/functional/casenorm/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_delete.ksh b/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_delete.ksh
index 00caea997c1e..9f1c5839ccd0 100755
--- a/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_delete.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_delete.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_lookup.ksh b/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_lookup.ksh
index 1ef9d2756fc8..35cb77a4b646 100755
--- a/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_lookup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/insensitive_formd_lookup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/insensitive_none_delete.ksh b/tests/zfs-tests/tests/functional/casenorm/insensitive_none_delete.ksh
index 51f6a3c1aa08..a620c42c9257 100755
--- a/tests/zfs-tests/tests/functional/casenorm/insensitive_none_delete.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/insensitive_none_delete.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/insensitive_none_lookup.ksh b/tests/zfs-tests/tests/functional/casenorm/insensitive_none_lookup.ksh
index 12b7951e1a80..25099c143e2c 100755
--- a/tests/zfs-tests/tests/functional/casenorm/insensitive_none_lookup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/insensitive_none_lookup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/mixed_create_failure.ksh b/tests/zfs-tests/tests/functional/casenorm/mixed_create_failure.ksh
index 208be91dea42..e156907e193e 100755
--- a/tests/zfs-tests/tests/functional/casenorm/mixed_create_failure.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/mixed_create_failure.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/mixed_formd_delete.ksh b/tests/zfs-tests/tests/functional/casenorm/mixed_formd_delete.ksh
index 451acbbfa89c..2a473575cb0f 100755
--- a/tests/zfs-tests/tests/functional/casenorm/mixed_formd_delete.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/mixed_formd_delete.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup.ksh b/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup.ksh
index 105415db5fd9..a0bca9332bda 100755
--- a/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup_ci.ksh b/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup_ci.ksh
index 50827ff585f1..564559bc736c 100755
--- a/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup_ci.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/mixed_formd_lookup_ci.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/mixed_none_delete.ksh b/tests/zfs-tests/tests/functional/casenorm/mixed_none_delete.ksh
index 708fea8b87f1..a8e2a1861bd1 100755
--- a/tests/zfs-tests/tests/functional/casenorm/mixed_none_delete.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/mixed_none_delete.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup.ksh b/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup.ksh
index 12d8495aacd7..05e4feb39657 100755
--- a/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup_ci.ksh b/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup_ci.ksh
index c798ec788ed2..e40de1e957c8 100755
--- a/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup_ci.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/mixed_none_lookup_ci.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/norm_all_values.ksh b/tests/zfs-tests/tests/functional/casenorm/norm_all_values.ksh
index cae15ebc4081..99443ce00fed 100755
--- a/tests/zfs-tests/tests/functional/casenorm/norm_all_values.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/norm_all_values.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_delete.ksh b/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_delete.ksh
index 285bd4e31ed9..6635e12a27f3 100755
--- a/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_delete.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_delete.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_lookup.ksh b/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_lookup.ksh
index d00c7b5fca9e..e2646791f906 100755
--- a/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_lookup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/sensitive_formd_lookup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/sensitive_none_delete.ksh b/tests/zfs-tests/tests/functional/casenorm/sensitive_none_delete.ksh
index addebcdbc29d..e9d112f0ea9a 100755
--- a/tests/zfs-tests/tests/functional/casenorm/sensitive_none_delete.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/sensitive_none_delete.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/sensitive_none_lookup.ksh b/tests/zfs-tests/tests/functional/casenorm/sensitive_none_lookup.ksh
index b945d8102988..4396af7e6c69 100755
--- a/tests/zfs-tests/tests/functional/casenorm/sensitive_none_lookup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/sensitive_none_lookup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/casenorm/setup.ksh b/tests/zfs-tests/tests/functional/casenorm/setup.ksh
index 9eee108195bd..0d504b6251dc 100755
--- a/tests/zfs-tests/tests/functional/casenorm/setup.ksh
+++ b/tests/zfs-tests/tests/functional/casenorm/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/channel_program/channel_common.kshlib b/tests/zfs-tests/tests/functional/channel_program/channel_common.kshlib
index c937e90614c8..e7a49977e641 100644
--- a/tests/zfs-tests/tests/functional/channel_program/channel_common.kshlib
+++ b/tests/zfs-tests/tests/functional/channel_program/channel_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/cleanup.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/cleanup.ksh
index 281f639a4276..434d5d796f83 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/setup.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/setup.ksh
index 2516b6b8ad9e..6dfe2326ae4c 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/setup.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.ksh
index 6ec5610639de..0b5d1f4a30d2 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.zcp
index f6f14e5222f9..31d4ac0d0147 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.args_to_lua.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.ksh
index 2587c594da0d..5cb72f778722 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.zcp
index bd882d493b63..d17f07308ca9 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.divide_by_zero.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.ksh
index 34f29d9c039d..6f2c7dc8d20b 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.zcp
index e44cf4560502..e5fbfd92f099 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.exists.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_illegal.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_illegal.ksh
index 1c70bc85920a..83ec965e35e7 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_illegal.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_illegal.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_overflow.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_overflow.ksh
index be2129792499..bad8ae951092 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_overflow.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.integer_overflow.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_neg.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_neg.ksh
index 3f91db2be9c3..c9602e08737e 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_neg.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_pos.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_pos.ksh
index 019622cf84cc..00d6747e9037 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_pos.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.language_functions_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.ksh
index 21ab69adb1c7..8e92e7e4656d 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.zcp
index add68973349e..3eb0fcb6d46e 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.large_prog.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_base.lua b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_base.lua
index c39144959a3f..ecf863913bf8 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_base.lua
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_base.lua
@@ -1,3 +1,4 @@
+--SPDX-License-Identifier: MIT
 --[[
 --*****************************************************************************
 --* Copyright (C) 1994-2016 Lua.org, PUC-Rio.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_coroutine.lua b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_coroutine.lua
index e0e9e2a64fbc..4ad91831579f 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_coroutine.lua
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_coroutine.lua
@@ -1,3 +1,4 @@
+--SPDX-License-Identifier: MIT
 --[[
 --*****************************************************************************
 --* Copyright (C) 1994-2016 Lua.org, PUC-Rio.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_strings.lua b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_strings.lua
index 1725fd123796..61382b87f8e2 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_strings.lua
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_strings.lua
@@ -1,3 +1,4 @@
+--SPDX-License-Identifier: MIT
 --[[
 --*****************************************************************************
 --* Copyright (C) 1994-2016 Lua.org, PUC-Rio.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_table.lua b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_table.lua
index 500117b19d90..d3bd8ec0a577 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_table.lua
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.lib_table.lua
@@ -1,3 +1,4 @@
+--SPDX-License-Identifier: MIT
 --[[
 --*****************************************************************************
 --* Copyright (C) 1994-2016 Lua.org, PUC-Rio.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.libraries.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.libraries.ksh
index 71afabdbe2d3..35a99ce103eb 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.libraries.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.libraries.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.memory_limit.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.memory_limit.ksh
index 0533b8fa306f..ac4c33da7613 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.memory_limit.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.memory_limit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.ksh
index 2be9150c34fa..89d5c7cd4127 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.zcp
index afe3aa8f4f58..9d21d46b93e3 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_neg.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.ksh
index 0c8b8dd8d0ca..ce8e7a9e3fc2 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.zcp
index 02af95d99d18..4f9a1d505e42 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nested_pos.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nvlist_to_lua.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nvlist_to_lua.ksh
index eaba6427c96c..5d16f28ab263 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nvlist_to_lua.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.nvlist_to_lua.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive.zcp
index 9a13c1e7dc29..5d823700256a 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_neg.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_neg.ksh
index c75048ae7d66..d4c81104f1ff 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_neg.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_pos.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_pos.ksh
index 18d5d0f1ee47..690365131f2e 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_pos.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.recursive_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.ksh
index ae42665cd9f5..ecf172aa668e 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.zcp
index 0ea9f8930eac..9bb3ee571a57 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_large.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_neg.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_neg.ksh
index a8d4dd31d84b..f7faa2ccdee5 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_neg.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_pos.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_pos.ksh
index 75ade2b45d12..d8e65e8043ef 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_pos.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_nvlist_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.ksh
index 18c035e0464b..d7823c773d7d 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.zcp
index 21e6c60d8e26..a37704825d63 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.return_recursive_table.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.ksh
index ecabf3a3fec7..4879a2b65273 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.zcp
index a493363ca68d..f1051a06e3a3 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.stack_gsub.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.ksh b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.ksh
index 905a3c327cce..2a92d7f985c8 100755
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.zcp b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.zcp
index d74b1a73c2e5..9f5c3a8e4b1c 100644
--- a/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/lua_core/tst.timeout.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/cleanup.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/cleanup.ksh
index 3ddcb4d2759c..def76f7651f6 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/setup.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/setup.ksh
index 5837bf1a14c7..3290d8f26b4c 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/setup.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.ksh
index 81f570d9e1e2..fad72115a56f 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.zcp
index 9473035f025b..a3fa15acea11 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.copy.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.ksh
index 05ec9cc67602..49c17c539f6c 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.zcp
index eb53fd16ce16..e84cd2809dd2 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.bookmark.create.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_fs.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_fs.ksh
index 45a3fdb66a6f..d07ba9b6e240 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_fs.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_fs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_snap.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_snap.ksh
index 571d7f87c1b5..56c76ef872b5 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_snap.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.destroy_snap.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_count_and_limit.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_count_and_limit.ksh
index 70330c91a0e7..f855a499ce3d 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_count_and_limit.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_count_and_limit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.ksh
index eed3e0bce5fc..3bf87e86fb16 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.zcp
index 10ef8e7f839a..e4b785348494 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_index_props.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_mountpoint.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_mountpoint.ksh
index f3cf396aa1f2..ebecfb3842a2 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_mountpoint.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_mountpoint.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_neg.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_neg.ksh
index 17f7a8fd9749..1f17b8416e5d 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_neg.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.ksh
index 942930fa6923..e8630bd1ff21 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.zcp
index 744230db0521..d74ea02cb0d2 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_number_props.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.ksh
index 31ae4a5717f5..bc82a0624706 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.zcp
index 899bdc0336c0..d1bb1b95e0d0 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_string_props.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_type.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_type.ksh
index d040e8962e06..37faf843c95e 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_type.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_type.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_userquota.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_userquota.ksh
index 80cc4ad418cc..aba29a36d844 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_userquota.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_userquota.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_written.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_written.ksh
index 74fdffdce4fd..028bd93be46c 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_written.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.get_written.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.inherit.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.inherit.ksh
index e199b4c8b07d..858443380846 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.inherit.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.inherit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_bookmarks.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_bookmarks.ksh
index 7456177f725b..2ffb5ee56360 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_bookmarks.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_bookmarks.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_children.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_children.ksh
index 06b82cab4f34..93d977c03ebe 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_children.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_children.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_clones.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_clones.ksh
index 68d053283d31..ad53504611a6 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_clones.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_clones.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_holds.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_holds.ksh
index 2a471bdecbfc..2f04a53f9564 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_holds.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_holds.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_snapshots.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_snapshots.ksh
index 7bc36606c957..ca9e690cce76 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_snapshots.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_snapshots.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_system_props.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_system_props.ksh
index 24ab65a195b9..9a49b83bea83 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_system_props.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_system_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_user_props.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_user_props.ksh
index a454a2753302..3a626e5dc079 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_user_props.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_user_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.parse_args_neg.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.parse_args_neg.ksh
index 01bdb63eb678..93f886e8c470 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.parse_args_neg.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.parse_args_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.ksh
index b2840377b559..01f7e90ca3b3 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.zcp
index 287328a40d31..6658ad96b97f 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_conflict.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_multiple.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_multiple.ksh
index 7618a34bc8e1..a729f409a9db 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_multiple.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_multiple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_simple.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_simple.ksh
index 541c6840e0c0..4af47a1f150e 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_simple.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.promote_simple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_mult.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_mult.ksh
index 2fbbc73d5fe8..4aa9394b45f8 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_mult.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_mult.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_one.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_one.ksh
index 12834430163c..9c3071a8db0d 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_one.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_one.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.ksh
index 6ac1c2b205cd..d956615c5f5a 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.zcp
index 756263a9d082..5db8660a81ea 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.set_props.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.ksh
index b0cdfb84f4ea..6917463988ae 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.zcp
index 6fbfb06ad433..8406eeb72566 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_destroy.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.ksh
index 8d6cd38310e6..476c7ba1530c 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.zcp
index 5cae324bc90e..f01841ad6722 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_neg.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.ksh
index e3bf10b69168..910ff9bfab37 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.zcp
index 097940d71198..a8d1808f5428 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_recursive.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.ksh
index 0561e4b7c635..af327c24b4f1 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.zcp
index ef893d1551d9..fdb8958abb88 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.ksh
index 4a7acaddaf8f..ad77eeef9529 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.zcp
index 215e013df1d2..af580feb9940 100644
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.zcp
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_simple.zcp
@@ -1,3 +1,4 @@
+-- SPDX-License-Identifier: CDDL-1.0
 --
 -- This file and its contents are supplied under the terms of the
 -- Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.terminate_by_signal.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.terminate_by_signal.ksh
index 53d5b819daf6..a7152348405b 100755
--- a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.terminate_by_signal.ksh
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.terminate_by_signal.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/chattr/chattr_001_pos.ksh b/tests/zfs-tests/tests/functional/chattr/chattr_001_pos.ksh
index c263c0f4fadf..dbc6380de216 100755
--- a/tests/zfs-tests/tests/functional/chattr/chattr_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/chattr/chattr_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/chattr/chattr_002_neg.ksh b/tests/zfs-tests/tests/functional/chattr/chattr_002_neg.ksh
index 758de3fd277d..61f8f79301f4 100755
--- a/tests/zfs-tests/tests/functional/chattr/chattr_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/chattr/chattr_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/chattr/cleanup.ksh b/tests/zfs-tests/tests/functional/chattr/cleanup.ksh
index 59a93a652d05..c1fcc03b35d2 100755
--- a/tests/zfs-tests/tests/functional/chattr/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/chattr/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/chattr/setup.ksh b/tests/zfs-tests/tests/functional/chattr/setup.ksh
index d9fc7be4e4fe..844329af9c7b 100755
--- a/tests/zfs-tests/tests/functional/chattr/setup.ksh
+++ b/tests/zfs-tests/tests/functional/chattr/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/checksum/cleanup.ksh b/tests/zfs-tests/tests/functional/checksum/cleanup.ksh
index 7d2380db5c6d..d6619a2fe2bc 100755
--- a/tests/zfs-tests/tests/functional/checksum/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/checksum/default.cfg b/tests/zfs-tests/tests/functional/checksum/default.cfg
index ca13be4e4d5d..2fb1e4426a97 100644
--- a/tests/zfs-tests/tests/functional/checksum/default.cfg
+++ b/tests/zfs-tests/tests/functional/checksum/default.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/checksum/filetest_001_pos.ksh b/tests/zfs-tests/tests/functional/checksum/filetest_001_pos.ksh
index 7257da488383..68182ade2418 100755
--- a/tests/zfs-tests/tests/functional/checksum/filetest_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/filetest_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/checksum/filetest_002_pos.ksh b/tests/zfs-tests/tests/functional/checksum/filetest_002_pos.ksh
index 23e7aa577484..aaf63333b960 100755
--- a/tests/zfs-tests/tests/functional/checksum/filetest_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/filetest_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/checksum/run_blake3_test.ksh b/tests/zfs-tests/tests/functional/checksum/run_blake3_test.ksh
index cf1ca70328e1..e51afc17e98e 100755
--- a/tests/zfs-tests/tests/functional/checksum/run_blake3_test.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/run_blake3_test.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/checksum/run_edonr_test.ksh b/tests/zfs-tests/tests/functional/checksum/run_edonr_test.ksh
index de5b21918edb..3d2c926368e4 100755
--- a/tests/zfs-tests/tests/functional/checksum/run_edonr_test.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/run_edonr_test.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/checksum/run_sha2_test.ksh b/tests/zfs-tests/tests/functional/checksum/run_sha2_test.ksh
index 23954a5d35fe..25bf49f7613b 100755
--- a/tests/zfs-tests/tests/functional/checksum/run_sha2_test.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/run_sha2_test.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/checksum/run_skein_test.ksh b/tests/zfs-tests/tests/functional/checksum/run_skein_test.ksh
index d59bde206d77..80fb2fbca52f 100755
--- a/tests/zfs-tests/tests/functional/checksum/run_skein_test.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/run_skein_test.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/checksum/setup.ksh b/tests/zfs-tests/tests/functional/checksum/setup.ksh
index be72cacc0fc2..b6c18f135edd 100755
--- a/tests/zfs-tests/tests/functional/checksum/setup.ksh
+++ b/tests/zfs-tests/tests/functional/checksum/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_001_pos.ksh b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_001_pos.ksh
index f644b8f81325..37c97f6f9c2a 100755
--- a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_002_pos.ksh b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_002_pos.ksh
index 6246b0c09f07..b400422e8af3 100755
--- a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_003_pos.ksh b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_003_pos.ksh
index 3a64001eb5ac..d0cb6d8b76e1 100755
--- a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_003_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_004_pos.ksh b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_004_pos.ksh
index cfbd81941023..c391c849da5f 100755
--- a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_004_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_common.kshlib b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_common.kshlib
index 1a75816f2c03..7747e5076e70 100644
--- a/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_common.kshlib
+++ b/tests/zfs-tests/tests/functional/clean_mirror/clean_mirror_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/cleanup.ksh b/tests/zfs-tests/tests/functional/clean_mirror/cleanup.ksh
index 3b54cff0e4c6..0de998081de3 100755
--- a/tests/zfs-tests/tests/functional/clean_mirror/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/clean_mirror/cleanup.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/default.cfg b/tests/zfs-tests/tests/functional/clean_mirror/default.cfg
index 83ec31f29930..1265237e72de 100644
--- a/tests/zfs-tests/tests/functional/clean_mirror/default.cfg
+++ b/tests/zfs-tests/tests/functional/clean_mirror/default.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/clean_mirror/setup.ksh b/tests/zfs-tests/tests/functional/clean_mirror/setup.ksh
index 8d14f2d96e2d..d43ac2550618 100755
--- a/tests/zfs-tests/tests/functional/clean_mirror/setup.ksh
+++ b/tests/zfs-tests/tests/functional/clean_mirror/setup.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/cli_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/cli_common.kshlib
index bdb2d86f0380..2a9a192ec45e 100644
--- a/tests/zfs-tests/tests/functional/cli_root/cli_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/cli_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/json/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/json/cleanup.ksh
index f82a90962292..4edf0e451d69 100755
--- a/tests/zfs-tests/tests/functional/cli_root/json/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/json/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/json/json_sanity.ksh b/tests/zfs-tests/tests/functional/cli_root/json/json_sanity.ksh
index d092a3b0e828..e62996249224 100755
--- a/tests/zfs-tests/tests/functional/cli_root/json/json_sanity.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/json/json_sanity.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/json/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/json/setup.ksh
index f94dc5697423..2ac9bf126d18 100755
--- a/tests/zfs-tests/tests/functional/cli_root/json/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/json/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_002_pos.ksh
index ec7e1dcab9c9..9ad32a1f2c98 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_003_pos.ksh
index 0e4dcf8e6f1e..de2ef34e27df 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_004_pos.ksh
index 52bcc0311375..d6e97f624048 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_005_pos.ksh
index 74975dbb0dde..d48018925154 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_006_pos.ksh
index 97b00e9e1996..ef82069d4e33 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_neg.ksh
index 688d488ceb62..09ee00ce5b85 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_pos.ksh
index 37f45eae55f1..f1a40fd890e9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_args_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_backup.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_backup.ksh
index bd025c925496..ea2c2866cde8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_backup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_backup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_block_size_histogram.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_block_size_histogram.ksh
index cfa26f54b11f..12b908eafdba 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_block_size_histogram.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_block_size_histogram.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_checksum.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_checksum.ksh
index d79933fd5b59..f207e88d6529 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_checksum.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_checksum.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress.ksh
index dffed48908f5..c6637f26c4db 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress_zstd.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress_zstd.ksh
index c7e10bac4570..8c61ea703995 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress_zstd.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_decompress_zstd.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_display_block.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_display_block.ksh
index bab0dea2969b..f5d7eef42476 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_display_block.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_display_block.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_encrypted.ksh
index 0218c2ea1033..539f04fd2f8c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_label_checksum.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_label_checksum.ksh
index 6cc1560418bc..425325bfb617 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_label_checksum.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_label_checksum.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_neg.ksh
index e4664b52eb94..1a660d33c121 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_pos.ksh
index 2c85e6e932a6..e7f5dc55a959 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_object_range_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_objset_id.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_objset_id.ksh
index 9d147f382042..db5b4bb24c2a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_objset_id.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_objset_id.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover.ksh
index b39856141305..8ce7b194d55c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover_2.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover_2.ksh
index d4529ff01105..c4d7257de671 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover_2.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_recover_2.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_001_neg.ksh
index 24ffd4751688..2ee46e5cecf9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_002_pos.ksh
index de434cc47b31..f4ae20526890 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_003_neg.ksh
index 2f592642c3ba..3f7ccfa2c965 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs/zfs_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/cleanup.ksh
index eed1c9ccf54f..462c8899d883 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/setup.ksh
index 8815d150bbdb..4ef448c5112a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/zfs_bookmark_cliargs.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/zfs_bookmark_cliargs.ksh
index b6cb0c60034f..e735b20fbe56 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/zfs_bookmark_cliargs.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_bookmark/zfs_bookmark_cliargs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key.ksh
index 821abdeb32f7..56f9880b8db4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_child.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_child.ksh
index 592f1eccca93..b42c23e07073 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_child.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_child.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_clones.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_clones.ksh
index 70a9df618e1f..edc4c724cf97 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_clones.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_clones.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_format.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_format.ksh
index 22212d72d1d6..50d2bad4824e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_format.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_format.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_inherit.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_inherit.ksh
index e9b010e912fc..bdd8f4bbd5fc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_inherit.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_inherit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_load.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_load.ksh
index a5a9976196e9..b63644b9c49d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_load.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_load.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_location.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_location.ksh
index 607e2208cef4..6dc6cce72139 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_location.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_location.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_pbkdf2iters.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_pbkdf2iters.ksh
index 224fabf22620..724afec18180 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_pbkdf2iters.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_change-key/zfs_change-key_pbkdf2iters.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/cleanup.ksh
index d9f935900f90..8b13bb7d1c27 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/setup.ksh
index 0a74ee3a879d..9649ef6ba429 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_001_neg.ksh
index e8d5d73dd841..35b73a532c13 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_002_pos.ksh
index 755079ed57df..536aed2174b0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_003_pos.ksh
index c113fb27aaf9..739dfcf7e3c3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_004_pos.ksh
index 993b279411d0..c2f2475dcd12 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_005_pos.ksh
index e965ec1251b3..f3b0c8e41f91 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_006_pos.ksh
index 30fafca90054..2724d43b2a04 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_007_pos.ksh
index a615392d70dc..de46662eb217 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_008_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_008_neg.ksh
index 96f0c16a45f4..a6bb0b6e860b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_009_neg.ksh
index e328d5b64158..e05382b48c5e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_010_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_010_pos.ksh
index 226a665f669d..8732d3f9b8df 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_deeply_nested.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_deeply_nested.ksh
index b83807765791..0054533c6139 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_deeply_nested.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_deeply_nested.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_encrypted.ksh
index 1f07b9eb03bc..ddf1641bb38d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_rm_nested.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_rm_nested.ksh
index 447fbb36b412..ea0d5697ee2f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_rm_nested.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_rm_nested.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/cleanup.ksh
index 8c8d37276d1d..9f94741790cb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/setup.ksh
index f76b49af706f..b86a3463189d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.cfg
index ec3244c7a804..d3c9d7ca8cc9 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.kshlib
index a7a93a3046d2..de588bc4dcd9 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_001_pos.ksh
index 1f8d770fc99f..b3c0739b7577 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_002_pos.ksh
index 5b10189e8f57..0651fe59bd50 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_003_pos.ksh
index cfb3d3308db8..f18de2289376 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_004_neg.ksh
index ab250d4f2782..a556f07616f4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_005_neg.ksh
index d15629fb2bd0..bc1a731128cc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_006_pos.ksh
index 28017b59a00f..ac763981f584 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_copies/zfs_copies_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/properties.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_create/properties.kshlib
index 16d19bdbd8aa..ade1806ff876 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/properties.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/properties.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create.cfg
index 807285ea6c73..c3932dfccc42 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_001_pos.ksh
index 7b34ec33f3bf..0d865e23f791 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_002_pos.ksh
index 74b39cdaf983..85ad2aad53b4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_003_pos.ksh
index 798354db954b..eeeb907785c6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_004_pos.ksh
index cc429419e67a..12975f068714 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_005_pos.ksh
index 22f154400a1b..ed066f3ec02b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_006_pos.ksh
index 733402fed39a..21be871c778f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_007_pos.ksh
index bb6f9a21db13..57a4c480e6ca 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_008_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_008_neg.ksh
index 650d7dbcc3bd..71b72fa50826 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_009_neg.ksh
index f23f0a969df8..2579045b0e69 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_010_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_010_neg.ksh
index a872881b5494..8d8b069d09ab 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_011_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_011_pos.ksh
index 2bbe6d84815f..6be3ef7182ae 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_012_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_012_pos.ksh
index 71706d4b0f65..a3e453e8ac41 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_013_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_013_pos.ksh
index 3fa5e246d8e4..480e96eb6300 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_014_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_014_pos.ksh
index 8010c6df4586..663edbd13f1c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_014_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_common.kshlib
index 76a63a094807..47ec049a0046 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_crypt_combos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_crypt_combos.ksh
index 758b800c2fe8..3a15660303a6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_crypt_combos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_crypt_combos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_dryrun.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_dryrun.ksh
index 1e22da0045c7..0a8ccfb8275d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_dryrun.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_dryrun.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_encrypted.ksh
index e32545c689fe..ce0473d3cd29 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_nomount.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_nomount.ksh
index 5b0478e855cf..473d49b8670f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_nomount.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_nomount.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_verbose.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_verbose.ksh
index b18ffa404c42..3b613e8867db 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_verbose.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_verbose.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/cleanup.ksh
index 8f25922aa7ac..2d0876549fff 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/setup.ksh
index 479ee930f27f..db8a436399b8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_and_disable.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_and_disable.ksh
index b9d6ad1e5dcf..9ea033ca8abb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_and_disable.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_and_disable.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_races.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_races.ksh
index cf248bb87f94..6068bf7640f8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_races.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_races.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_dedup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_dedup.ksh
index 9632cf01b3b6..07ee285c53e4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_dedup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_dedup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy.cfg
index 5bb720bf1d6b..562c4e3c8b62 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_001_pos.ksh
index 1f977628295e..98baae732101 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_002_pos.ksh
index 2eff646ea76a..f9fb341b5b93 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_003_pos.ksh
index 2c61bb7ecebb..0b0509d7ba28 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_004_pos.ksh
index fedc30d550a4..0dd91431a6b1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_005_neg.ksh
index f91909c2bc56..2d88098ca537 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_006_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_006_neg.ksh
index 2a9381cab5fa..c3cb9cac30f3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_007_neg.ksh
index cafb87a42368..75c404aec11b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_008_pos.ksh
index 29e1e5e95cf6..ad2c61b297c2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_009_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_009_pos.ksh
index aa841151603c..9f5f298f0df2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_010_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_010_pos.ksh
index 91e6dfd96e1d..f570c9c1bcb0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_011_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_011_pos.ksh
index 634bfc20c167..085bda1daee9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_012_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_012_pos.ksh
index d4b64cf4cf14..d18df3fb9fcb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_013_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_013_neg.ksh
index 406c9d43fff9..bb8318ba5ddf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_013_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_013_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_014_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_014_pos.ksh
index e150cddfa1a5..162751cb2b34 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_014_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_015_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_015_pos.ksh
index f1868f522c84..efdd82ac470e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_015_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_015_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_016_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_016_pos.ksh
index 93c8c63fd23f..c0781441fe35 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_016_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_016_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_clone_livelist.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_clone_livelist.ksh
index 54d6096890b3..bbfc8d606c72 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_clone_livelist.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_clone_livelist.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_common.kshlib
index bcc24efa6515..e5914c66a1c9 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal.ksh
index 107c13319666..a889ca5ed4af 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal_condense.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal_condense.ksh
index fa5ebb6cce98..9e45c31404ce 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal_condense.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_destroy_dev_removal_condense.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/cleanup.ksh
index 1adac153d740..c2460ed9eaa7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/setup.ksh
index e37841addf88..81146824b321 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_changes.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_changes.ksh
index ca8df6dab910..03ce4f456dff 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_changes.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_changes.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_cliargs.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_cliargs.ksh
index 67eb18fa4a5d..b9c6f584ce48 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_cliargs.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_cliargs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh
index 96e6d9b5ae89..bff0fab908de 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_mangle.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_mangle.ksh
index ffce9f06848f..4545d47fd333 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_mangle.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_mangle.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_timestamp.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_timestamp.ksh
index 81ee87f8aee9..25dabfea2148 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_timestamp.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_timestamp.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_types.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_types.ksh
index 414fde336c78..5a92311686d3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_types.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_types.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/setup.ksh
index 2a909eba4f87..f119e07d0e31 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh
index 935a85285e8e..69456c001e06 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_002_pos.ksh
index 65986f6bd1a2..a5b86b63236e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_003_pos.ksh
index db80ccf1883f..1506cab01836 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_004_pos.ksh
index 6101bae032c8..a0c38f5947ac 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh
index d9be907909db..a1b7c1570c74 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_006_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_006_neg.ksh
index feed960b17e4..89edb4c87d66 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_007_neg.ksh
index 08a6bb7529b5..be950cfe476c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh
index 6be432036845..db8099e31d55 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_009_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_009_pos.ksh
index 5686b63b41cc..0443fd35197b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_010_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_010_neg.ksh
index 1b6e211e0681..06c07c1a636e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_common.kshlib
index 12f157dedf19..fd2eb271e67e 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_list_d.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_list_d.kshlib
index 2084e0c18b10..ba0506cc3f03 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_list_d.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_get/zfs_get_list_d.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/cleanup.ksh
index 3b16891a6b18..9eaf4b6378c3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/setup.ksh
index f69103b7c373..84ebe484dca5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/zfs_ids_to_path_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/zfs_ids_to_path_001_pos.ksh
index ff05a75725ad..b74941a00b1e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/zfs_ids_to_path_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_ids_to_path/zfs_ids_to_path_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/setup.ksh
index 2a909eba4f87..f119e07d0e31 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_001_neg.ksh
index f1bd3d6e1fd3..c09bfdba7b50 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_002_neg.ksh
index 0bb93a0789bf..d5323da26d41 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_003_pos.ksh
index d27fa84c5d14..8cae5c1528a1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_mountpoint.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_mountpoint.ksh
index 9c1251533c1e..b67c9f6d1fed 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_mountpoint.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_inherit/zfs_inherit_mountpoint.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_jail/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_jail/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_jail/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_jail/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_jail/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_jail/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_jail/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_jail/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_jail/zfs_jail_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_jail/zfs_jail_001_pos.ksh
index fa33bdb02ffa..7ce03a4b9047 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_jail/zfs_jail_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_jail/zfs_jail_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/cleanup.ksh
index 60a1450f4c06..725e5301b42d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/setup.ksh
index 43e4db5b09bf..656ecc427e18 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.cfg
index cc1e3b330543..e6b0a6006a30 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.ksh
index 11a97a83e25e..9127c60c7420 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_all.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_all.ksh
index 515753722d20..65dac5ab49e4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_all.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_all.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_common.kshlib
index f174eeeeaae9..2f1e31c1bd33 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_file.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_file.ksh
index 73c461fd6b39..8d4e33425947 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_file.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_file.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_https.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_https.ksh
index c0c91e59dd37..39518f1ee3ad 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_https.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_https.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_location.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_location.ksh
index 11f16e45ad3f..8b5303e0bfb8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_location.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_location.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_noop.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_noop.ksh
index 2ee17834696f..b1adbea9f4c4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_noop.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_noop.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_recursive.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_recursive.ksh
index c0b5553e39c9..ecb2f9be79f7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_recursive.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_load-key/zfs_load-key_recursive.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.cfg
index 739baf16086a..60568d224763 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib
index 8d06a32e7f52..08795a7ea257 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_001_pos.ksh
index 68ec78478571..f2970b21c30b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_002_pos.ksh
index 50161bc0a45d..2f7fc86a59a8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_003_pos.ksh
index 1beb501f5b64..e5db2e671c92 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_004_pos.ksh
index 9dcd8af0bb35..c645bd5f2d63 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_005_pos.ksh
index b94d83f45119..c25ad6abd0f0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_006_pos.ksh
index e9ab472795eb..a8ac566ce65a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_007_pos.ksh
index 84f478c938bd..ce0b24b7e532 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_008_pos.ksh
index 0437c61a2c40..7f0b2ce90cb4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_009_neg.ksh
index 02b3477a4452..c8e7a8893b87 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_010_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_010_neg.ksh
index 2c26157be835..f8e69ad6ad0e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_011_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_011_neg.ksh
index 0e0879823619..ce4839ad96af 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_011_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_011_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_012_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_012_pos.ksh
index 66958f2f0884..67fe4c93f743 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_013_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_013_pos.ksh
index e6a4be1577a3..c30331379a8f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_014_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_014_neg.ksh
index 5cf0bc7b3a05..4e7c2084712a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_014_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_014_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_001_pos.ksh
index 5fd963c03997..854723781e4d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_fail.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_fail.ksh
index 7b6c2ccdf660..d20d19339af7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_fail.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_fail.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_mountpoints.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_mountpoints.ksh
index faeae4227acd..5ac374bcbaac 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_mountpoints.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_all_mountpoints.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_encrypted.ksh
index a95e7507b4d0..334ef92195f3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_recursive.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_recursive.ksh
index 0e5cc5d6955e..dec6f9c9ca8e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_recursive.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_recursive.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh
index ed35b6e831a6..c54128f7b9e7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_test_race.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_test_race.ksh
index 3a5793d0707d..4faf57a72016 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_test_race.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_test_race.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_multi_mount.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_multi_mount.ksh
index c4b4f0773137..f425ba0aedc5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_multi_mount.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_multi_mount.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_program/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_program/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_program/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_program/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_program/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_program/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_program/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_program/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
index 2241b77bf806..6f79e4a8d3b6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/setup.ksh
index 13a5febb25c1..25da1c0ac007 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote.cfg
index 02d7c097a519..7bad4f945dba 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_001_pos.ksh
index 173c46d76449..e6199eab4d99 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_002_pos.ksh
index fa7c82ee87ab..21157e888783 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_003_pos.ksh
index 8d1ba8238a10..74147c860656 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_004_pos.ksh
index 653b21139f54..fb83b63892ef 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_005_pos.ksh
index aa2deb9c3efd..b809b72a3e38 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_006_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_006_neg.ksh
index 1aca734f46a1..a463bfb59e8e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_007_neg.ksh
index 26740dcc4f6b..b38a7e04743a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_008_pos.ksh
index 33dc403aefcc..c1449db5220e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_encryptionroot.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_encryptionroot.ksh
index fd6ed7e58e3a..697cf9f2c5a7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_encryptionroot.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_promote/zfs_promote_encryptionroot.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_property/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_property/cleanup.ksh
index 7bb00caed5a3..2d851653cb2f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_property/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_property/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_property/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_property/setup.ksh
index 75bee687f5b7..75bd028c432f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_property/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_property/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_property/zfs_written_property_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_property/zfs_written_property_001_pos.ksh
index fd3194fe9895..c579fd54c8da 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_property/zfs_written_property_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_property/zfs_written_property_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/cleanup.ksh
index e3a213302614..1105913417ca 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_aliases.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_aliases.ksh
index 6e5b48ffe272..165d9bd5868c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_aliases.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_aliases.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_override.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_override.ksh
index 44fe60463b2f..0f550025d5d2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_override.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/receive-o-x_props_override.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/setup.ksh
index 5fd3ff953096..831be403ac5f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-e.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-e.ksh
index 0c535b469bf3..85ae0dfdac74 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-e.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-e.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-wR-encrypted-mix.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-wR-encrypted-mix.ksh
index dc1653b698ee..8f073c0ba272 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-wR-encrypted-mix.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_-wR-encrypted-mix.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_001_pos.ksh
index d8051c919f4d..72d28644b372 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_002_pos.ksh
index 9fb25a3e42b4..cafe3437b097 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_003_pos.ksh
index 9cac9f54df16..09685427768e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_004_neg.ksh
index 9f4b32ade733..72ba966025b0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_005_neg.ksh
index 1841e07bdb00..234fa54cf344 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_006_pos.ksh
index 1406882645d1..126237a6325a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_007_neg.ksh
index e88b2853c85c..75a8cff5d544 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_008_pos.ksh
index be112d0cd394..63013dced83e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_009_neg.ksh
index c7cfe3cba71c..3dd9f17bcec6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_010_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_010_pos.ksh
index 3e24d3e2e3b7..7377c871ab2b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_011_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_011_pos.ksh
index 7de2c1834807..a355599a5e79 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_012_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_012_pos.ksh
index 4e72a66d49c8..ae142ce919d9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_013_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_013_pos.ksh
index 87bb63b36e52..a199acb87175 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_014_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_014_pos.ksh
index 989d31b9064d..708395d38780 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_014_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_015_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_015_pos.ksh
index ead3c43117b6..96a75c90af48 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_015_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_015_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_016_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_016_pos.ksh
index 04d20ebd39e1..7e775c8dc173 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_016_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_016_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_compressed_corrective.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_compressed_corrective.ksh
index fec6fc041b47..629bc07f628b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_compressed_corrective.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_compressed_corrective.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh
index 44d4e2fa6ded..9c09ede94efe 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_corrective.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_encrypted.ksh
index fe9c0f1803a7..094a3c9eb77b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_zstd.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_zstd.ksh
index e078103a1be2..fcdbc4130b28 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_zstd.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_from_zstd.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_large_block_corrective.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_large_block_corrective.ksh
index 0958b7c1bbf3..2fdff797813c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_large_block_corrective.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_large_block_corrective.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_new_props.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_new_props.ksh
index ae63f5c6ac1d..c8536387f573 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_new_props.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_new_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw.ksh
index 6b4425fd1db2..ab2b72ff45c6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_-d.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_-d.ksh
index 662f9386ebee..83dd3494c399 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_-d.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_-d.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_incremental.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_incremental.ksh
index c33bba53291a..a6bb5e1d7e18 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_incremental.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_raw_incremental.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_to_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_to_encrypted.ksh
index 7e12d30d0e7e..ebdf50dcbb67 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_to_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_receive/zfs_receive_to_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/cleanup.ksh
index f8f253a3b615..17540db5d93a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/setup.ksh
index 0f22179024bc..f0002d897c16 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.cfg
index 8d3da7cdeaa0..b88f241acd11 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.kshlib
index a3d735756fad..5c2ba124b9c5 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_001_pos.ksh
index a4fb95c8d10e..ce057b502b26 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_002_pos.ksh
index 05f1474b1854..3b5d7049de54 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_003_pos.ksh
index 26ee9cb923df..c5b3360903df 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_004_neg.ksh
index 224fceaddd08..91dc6e68e4cd 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_005_neg.ksh
index 3717d1d9dad2..2c66f2567a46 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_006_pos.ksh
index 5d67a4ed9547..97a03803d6d7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_007_pos.ksh
index 5b8d7c78dfc1..4b1d150fe81b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_008_pos.ksh
index 6f5974cc235e..119c55d269f1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_009_neg.ksh
index 7eef546380b2..cd6f5e2497db 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_010_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_010_neg.ksh
index b631ea886823..09e294835371 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_011_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_011_pos.ksh
index 43632c7d34ba..eaf17a5f1b6a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_012_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_012_neg.ksh
index 16c93e9f4e14..00d15e329ad1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_012_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_012_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_013_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_013_pos.ksh
index f33a971729ed..e819cf0bf3d3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_014_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_014_neg.ksh
index d0b6984d21cb..1dfb79393fd8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_014_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_014_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_encrypted_child.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_encrypted_child.ksh
index 2366cf67655c..645ab04253ab 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_encrypted_child.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_encrypted_child.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_mountpoint.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_mountpoint.ksh
index 7ec6b2aa490c..c0e0ddcdc768 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_mountpoint.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_mountpoint.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_nounmount.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_nounmount.ksh
index 96826d814f18..7ad23720f683 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_nounmount.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_nounmount.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_to_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_to_encrypted.ksh
index ab8e1c89ae86..c78a1e31b554 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_to_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_to_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_001_pos.ksh
index 416139f7aa3b..878a30c356f9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_002_pos.ksh
index 49eabfeb7223..6b996f52e3ca 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_reservation/zfs_reservation_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/cleanup.ksh
index 93abeb1338ce..33212f32f00e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/setup.ksh
index 562e5242d3c8..c60cd649d149 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback.cfg
index 215f3c350785..a10926dc8661 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_001_pos.ksh
index 5290f06205b2..872341978fef 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_002_pos.ksh
index 3b03063d0c1c..67e30602051e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_003_neg.ksh
index e798a7bec5c2..0c4e7a347754 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_004_neg.ksh
index be59742c9051..cf4bb1d30ea7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
index 29eb82a22cd6..0d1d7f4c284e 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/cleanup.ksh
index e3a213302614..1105913417ca 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send-b.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send-b.ksh
index 7e841c10ceac..994b347118e4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send-b.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send-b.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send.cfg
index 49f7245f9c58..8f693f5af9be 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_001_pos.ksh
index a8b22756a6d5..dab624a8e984 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_002_pos.ksh
index f575c0cc8da7..c5dd843d7038 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_003_pos.ksh
index 211225dd6fbe..b61d8dd74f4a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_004_neg.ksh
index ea3a759ddadc..2bedd6d3ec18 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_005_pos.ksh
index 174b21feb23e..71874f914885 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_006_pos.ksh
index d7ee161eb3be..fbf5f1b40a54 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_007_pos.ksh
index 15760398127c..9031ee618fcc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted.ksh
index b0f10028f472..68afea7576db 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted_unloaded.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted_unloaded.ksh
index bf9a2be8db53..b4c6d932ca36 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted_unloaded.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted_unloaded.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_raw.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_raw.ksh
index b221d8280df2..ef155fcaace6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_raw.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_raw.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_skip_missing.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_skip_missing.ksh
index 06a53fcddd5e..849001fff3f8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_skip_missing.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_skip_missing.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_sparse.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_sparse.ksh
index aeb49afd7fc8..39e4204f85cf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_sparse.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_sparse.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_001_pos.ksh
index de073bf1132f..e46f3f6873c4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_002_neg.ksh
index b4f24f5adf19..d1e17dee0442 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/cache_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_001_pos.ksh
index 4eb11423d9e4..50811540f3f3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_002_pos.ksh
index d628d6fc6ab1..b3357fa81634 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_003_pos.ksh
index fa9948445d9f..0b96babaaf31 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_004_pos.ksh
index b3f1afc63ab2..bd40dcc13ea2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/canmount_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/checksum_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/checksum_001_pos.ksh
index 91b08a838bd1..0b3e7cb2a74c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/checksum_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/checksum_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/cleanup.ksh
index b6c8bb2f47e9..c4552ba98785 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/compression_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/compression_001_pos.ksh
index ebeed4a7dab7..7f306bdd6434 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/compression_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/compression_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_001_pos.ksh
index c1f5affa3414..58954502ae8b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_002_pos.ksh
index c227a6fb8aa8..eae34744f472 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_003_pos.ksh
index 01b505e4ab1a..3b33a05b7a2f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/mountpoint_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/onoffs_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/onoffs_001_pos.ksh
index d6daf0e1b74e..7f71baff3d1c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/onoffs_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/onoffs_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/property_alias_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/property_alias_001_pos.ksh
index b75143ed61bd..477597f5710a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/property_alias_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/property_alias_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/readonly_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/readonly_001_pos.ksh
index 20d6b634429a..428d0ad79510 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/readonly_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/readonly_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/reservation_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/reservation_001_neg.ksh
index 9430c1ac4070..d60387d2d1ac 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/reservation_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/reservation_001_neg.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/ro_props_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/ro_props_001_pos.ksh
index d3d041f3395d..fc8972f36af6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/ro_props_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/ro_props_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/setup.ksh
index 2a909eba4f87..f119e07d0e31 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/share_mount_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/share_mount_001_neg.ksh
index 3097d931f683..7ac4a5de3f71 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/share_mount_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/share_mount_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/snapdir_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/snapdir_001_pos.ksh
index a41fa6c251b3..dbb964f03e8b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/snapdir_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/snapdir_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_001_pos.ksh
index b897dffcbd27..1c54d45b5715 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_002_pos.ksh
index 868abc82f394..897a77176777 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_003_neg.ksh
index 80f279cbe992..339c5d409c5e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_004_pos.ksh
index bcd367773722..2cdde2f5ceaa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/user_property_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/version_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/version_001_neg.ksh
index 0443b63376f1..99054c8fe07e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/version_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/version_001_neg.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_001_neg.ksh
index 0701c9ef0f28..01ae46211a06 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_002_neg.ksh
index 946f6983b161..39069e9893a6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_003_neg.ksh
index 5901ba7dc461..8923f2c23891 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_common.kshlib
index 484c7d862276..d53adddb3c15 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_feature_activation.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_feature_activation.ksh
index 760301c11758..7617e55dd8eb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_feature_activation.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_feature_activation.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_keylocation.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_keylocation.ksh
index 9791339479d7..623e3355b360 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_keylocation.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_keylocation.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_nomount.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_nomount.ksh
index ebf08711423c..458b487c927d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_nomount.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_set/zfs_set_nomount.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/setup.ksh
index 4310985e6624..18308628d741 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share.cfg
index 4c52ddef529d..8a47695f1715 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_001_pos.ksh
index b8e9407e756e..4a5c8d81ff3e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_002_pos.ksh
index 65cbe3f2a89d..fac6ae4831ee 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_003_pos.ksh
index b2cb8f5c470f..3bc01aec0bcf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_004_pos.ksh
index a00a3ddcc8ac..d9b4e7bfece1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_005_pos.ksh
index 85854085f560..7e41fd6a3ff8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_006_pos.ksh
index 64d6e9515549..084de85a3e4d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_007_neg.ksh
index 6a21dd22b93c..c9cbb5ce0f26 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_008_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_008_neg.ksh
index 3ac845510b24..bc391cbf7ea1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_009_neg.ksh
index 07aa52afd201..1c7eb02e8b89 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_010_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_010_neg.ksh
index 946fa36f1ffc..4989d2fb92b6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_011_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_011_pos.ksh
index 7bd50e7514a8..3311131432c2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_012_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_012_pos.ksh
index 70eb5abd02fb..5457ab154a77 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_013_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_013_pos.ksh
index 1aacebbe44d2..1eb330f6f948 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_after_mount.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_after_mount.ksh
index 0d4b66ea854c..96744c621149 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_after_mount.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_after_mount.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_concurrent_shares.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_concurrent_shares.ksh
index d779689f83bd..190656f201db 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_concurrent_shares.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_share/zfs_share_concurrent_shares.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/cleanup.ksh
index d9f935900f90..8b13bb7d1c27 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/setup.ksh
index b76d7c5f2560..87cbc4cfdbeb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot.cfg
index cbad8a572067..f322e35a6ea9 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_001_neg.ksh
index 2b883e4943ef..6c6cc5597071 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_002_neg.ksh
index 11904554a49c..364642a8b04a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_003_neg.ksh
index 7b6b01da07cb..08dae53d92f5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_004_neg.ksh
index 53f3015393eb..f932314c2c9b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_005_neg.ksh
index c9f9803c673e..3af348263bc3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_006_pos.ksh
index 785ea8659705..85a71310796a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_007_neg.ksh
index 5d1840447fc4..7b3e49c690a9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_008_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_008_neg.ksh
index a2f890f15f32..0167b1fbdfec 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_009_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_009_pos.ksh
index a81e82ddf546..4a4d1776b0d5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_snapshot/zfs_snapshot_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/cleanup.ksh
index a2ee99c24171..550985baf70b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/setup.ksh
index f40ac985e80c..7475e82986a0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfeature_set_unsupported.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfeature_set_unsupported.ksh
index 523b30ff9bfe..3fa9b898190b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfeature_set_unsupported.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfeature_set_unsupported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_get_unsupported.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_get_unsupported.ksh
index 1d52498de0dc..1b3454ce39b1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_get_unsupported.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_get_unsupported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_set_unsupported.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_set_unsupported.ksh
index 5bb46ec973ad..e3d89de21ef2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_set_unsupported.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_set_unsupported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_sysfs_live.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_sysfs_live.ksh
index 08a9aeaa9bad..c83593885f4e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_sysfs_live.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zfs_sysfs_live.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_get_unsupported.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_get_unsupported.ksh
index 3624a7e8de5b..d4279f769231 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_get_unsupported.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_get_unsupported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_set_unsupported.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_set_unsupported.ksh
index a2f0c7a26405..9d49cc9f91f0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_set_unsupported.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_sysfs/zpool_set_unsupported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key.ksh
index 55cfb5cade03..158b6c1da13b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_all.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_all.ksh
index 6d3d37bd618a..0f1f4cbf3ed0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_all.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_all.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_recursive.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_recursive.ksh
index 01c720c04b58..302bbc7be937 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_recursive.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unload-key/zfs_unload-key_recursive.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.cfg b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.cfg
index 06d25faf0356..e8ab496a6ebb 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.kshlib
index 929452403b2e..23f179d51c1f 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_001_pos.ksh
index 6395a1b64363..4e67c97db6d9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_002_pos.ksh
index c5cabbde1642..7dce719896b2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_003_pos.ksh
index e4b292436a29..92cf88164de1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_004_pos.ksh
index e139321e04ab..ede86c4cbcc9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_005_pos.ksh
index 23963ceaa82c..98e7eba210d8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_006_pos.ksh
index aca84ed39856..8dbd3c0f18d7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_007_neg.ksh
index 1a8665b86ea8..b3b7e438576c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_008_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_008_neg.ksh
index 3524efcd076d..56850901f36f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_009_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_009_pos.ksh
index ece19ca1bbdf..568402e338e4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_all_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_all_001_pos.ksh
index f98d48ad92d3..e6847aff65c5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_all_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_all_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_nested.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_nested.ksh
index 7da8be3d17eb..56c008a5c80e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_nested.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_nested.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_unload_keys.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_unload_keys.ksh
index d296118e1924..b9b3fa8eef30 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_unload_keys.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unmount/zfs_unmount_unload_keys.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_001_pos.ksh
index 4f0ef6bd389f..ebdd14e3469c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_002_pos.ksh
index e5f786e0ae28..7d50f27a08e5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_003_pos.ksh
index 6d081ab6ee89..afe252c3ca3d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_004_neg.ksh
index bae5e335158b..cbdcd494c7b4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_005_neg.ksh
index 0404e0d6ede5..5e4e0f2f803d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_006_pos.ksh
index ab8bfa3791b7..eb46d2e4a31d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_007_pos.ksh
index 0fc5bbaf3f6a..f08839597d13 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_008_pos.ksh
index 1ade9c92691e..048ddff232e9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_unshare/zfs_unshare_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/cleanup.ksh
index 6b9dbd6b6dfa..5df5bba87206 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/setup.ksh
index ab5ca7b27e6f..00a80be8a377 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade.kshlib
index 948123e81157..66dbc35bcbc3 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_001_pos.ksh
index 7f5f65978ebf..bde65e22c968 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_002_pos.ksh
index ea5baf8e5483..20b72663932f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_003_pos.ksh
index e2a85ada96aa..09985acac5d3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_004_pos.ksh
index 5367503f270d..9141c9197198 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_005_pos.ksh
index ab200674b098..3fc533cc65dc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_006_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_006_neg.ksh
index 9c4eab3ff79e..5d8e50b87a6e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_007_neg.ksh
index a7d366e650ea..62289957811d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_upgrade/zfs_upgrade_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/cleanup.ksh
index 456d2d0c2ddb..3c0d6ce024ba 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/setup.ksh
index cca05fee7229..d346a7d0b0d0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait.kshlib b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait.kshlib
index 9f62a7c92e6b..469a34a4290c 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait.kshlib
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait_deleteq.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait_deleteq.ksh
index 00c5a109c0b2..db1c9e25b366 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait_deleteq.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zfs_wait/zfs_wait_deleteq.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zhack/library.kshlib b/tests/zfs-tests/tests/functional/cli_root/zhack/library.kshlib
index 880a78861630..0f5f6198daf2 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zhack/library.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zhack/library.kshlib
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_001.ksh b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_001.ksh
index 2a511e9efcb6..ce159b555d20 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_001.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_002.ksh b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_002.ksh
index 4f1e61a39857..e8aa1fd848c9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_002.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_002.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_003.ksh b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_003.ksh
index 7e82363d2f46..615d917fb9c0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_003.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_003.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_004.ksh b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_004.ksh
index 0b739402b199..3bc9cea5827a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_004.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zhack/zhack_label_repair_004.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_args.ksh b/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_args.ksh
index dd9ef9ddd229..19351dc8f2df 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_args.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_args.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_counts.ksh b/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_counts.ksh
index 19b223aba46c..2d569bba9967 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_counts.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_counts.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_probe.ksh b/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_probe.ksh
index 22537a54db73..0d4d498e681c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_probe.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zinject/zinject_probe.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool/setup.ksh
index 200e914f3f5b..8085fe3d2b85 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_001_neg.ksh
index de4ca0c4ea2c..5e087f2bf224 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_002_pos.ksh
index bd564cc6d8c3..97d99f46ba4e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_003_pos.ksh
index 215af6188420..7f01cba5e90e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_colors.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_colors.ksh
index b131bc708dbc..f43339f6dfe1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_colors.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool/zpool_colors.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/add-o_ashift.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/add-o_ashift.ksh
index 51871934dd22..1acc318a3eb3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/add-o_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/add-o_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_nested_replacing_spare.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_nested_replacing_spare.ksh
index e86de0deae62..1db2c7e8c942 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_nested_replacing_spare.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_nested_replacing_spare.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_prop_ashift.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_prop_ashift.ksh
index 6a3283d0618f..d8aba16eab6c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_prop_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/add_prop_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/cleanup.ksh
index f3691e9207a9..3c16a6f97f4a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/setup.ksh
index ef19ba998678..e5ba1b8e3aaf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.cfg
index 1831e6563e8c..95710026205b 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.kshlib
index cc850e3e451f..091d65bb4f33 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_001_pos.ksh
index 9ef96f554744..82d19e850f28 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_002_pos.ksh
index afee34a33469..a563e017a106 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_003_pos.ksh
index 62eddff7f6b6..0200f57b59ef 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_004_pos.ksh
index cecda56ab125..0dbc3dec0777 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_005_pos.ksh
index 0e9d9f5f030f..49c24bac1678 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_006_pos.ksh
index 836d6d21c746..6938211d3056 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_007_neg.ksh
index a7df42fc788f..3b949191d05b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_008_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_008_neg.ksh
index c43f90792a9d..931a340a9aa8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_009_neg.ksh
index a13a27160e76..2e1590faf8f5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_010_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_010_pos.ksh
index 22860e9caf1d..df085a2ec746 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_dryrun_output.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_dryrun_output.ksh
index 3b06e8c35c77..f3c208e88f4c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_dryrun_output.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_add/zpool_add_dryrun_output.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/attach-o_ashift.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/attach-o_ashift.ksh
index 574cb7654d10..4339d0411082 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/attach-o_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/attach-o_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/cleanup.ksh
index 3167a5097b5a..9a9e017e450f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/setup.ksh
index 23dc57ed3679..e9abf41d2dfa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/zpool_attach_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/zpool_attach_001_neg.ksh
index 50993a52a5e2..06e22670e142 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_attach/zpool_attach_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_attach/zpool_attach_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear.cfg
index 4b4b05c8993b..6193a9b6ea2c 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_001_pos.ksh
index b1a295cd2337..fcda6c945a28 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_002_neg.ksh
index e8ba4e66420b..dd4fbe7a220b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_003_neg.ksh
index 46c07bf56076..433a1ddaa462 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_readonly.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_readonly.ksh
index e3d089d0469b..eff93a4817b5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_readonly.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_clear/zpool_clear_readonly.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/cleanup.ksh
index 2bce044319c4..f504d15fc0c3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/create-o_ashift.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/create-o_ashift.ksh
index f6f46cb98e90..928c2ac80bf2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/create-o_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/create-o_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/setup.ksh
index f9e3add1ed68..3d0099376db3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.cfg
index 3f22136e7460..8f88771e9c7d 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.shlib b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.shlib
index 765be8ac0dd1..ecab30ed3925 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.shlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_001_pos.ksh
index f24a9c705622..ad30c0fc87f9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_002_pos.ksh
index 21df8eb2b1ff..8de35454fe80 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_003_pos.ksh
index ae81828b3e8c..5d87385bc51c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_004_pos.ksh
index 9e73c29b3b00..a03b4310162e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_005_pos.ksh
index 26c0119242a1..f0c2e69a0c0f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_006_pos.ksh
index 37790c03fee3..adc47c48de28 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_007_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_007_neg.ksh
index ad0a282f731d..2e377bc3b522 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_008_pos.ksh
index f33fb8a2281e..76ed0a6c20ee 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_009_neg.ksh
index bb74c9cdda5f..7656f5bb4fdf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_010_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_010_neg.ksh
index 4bb9a6d8bb49..6d43227481bf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_011_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_011_neg.ksh
index 1dcbaff19eca..821f00ee5b99 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_011_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_011_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_012_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_012_neg.ksh
index e3ed3f850958..8234c905ea4e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_012_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_012_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_014_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_014_neg.ksh
index df14bde6b178..7bd935cb849b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_014_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_014_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_015_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_015_neg.ksh
index 6e02b585a916..384ecd557ce4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_015_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_015_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_016_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_016_pos.ksh
index eee869820f58..c0d384cff365 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_016_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_016_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_017_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_017_neg.ksh
index 3892fbad165c..15ccc495f5b3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_017_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_017_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_018_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_018_pos.ksh
index 6da1709071ba..451284964d9d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_018_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_018_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_019_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_019_pos.ksh
index deddb8ba58a5..5fa609241785 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_019_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_019_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_020_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_020_pos.ksh
index 5711d9f2686a..d60bf7de4df3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_020_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_020_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_021_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_021_pos.ksh
index 00e347897206..80fe34d3fe91 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_021_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_021_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_022_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_022_pos.ksh
index 0e9da881261e..deeaf18f4118 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_022_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_022_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_023_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_023_neg.ksh
index d2ae03eee687..7edc84747c56 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_023_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_023_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_024_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_024_pos.ksh
index a09ae6abc972..3bc1ed604a44 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_024_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_024_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_crypt_combos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_crypt_combos.ksh
index 63391e8adb49..27922f844241 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_crypt_combos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_crypt_combos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_001_pos.ksh
index 9e3e22db7cad..d7aa6843ac8a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_002_pos.ksh
index acc3c06bacb0..d22c5a4b2a14 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_003_pos.ksh
index 8058691fcb12..73e96535e0b9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_004_pos.ksh
index dbcb6e5ce737..f262a02c1f35 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_draid_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_dryrun_output.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_dryrun_output.ksh
index 0671ea618e05..2bd836bcbc4a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_dryrun_output.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_dryrun_output.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_encrypted.ksh
index e521d8f1cff0..28ac5cbf19c7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_001_pos.ksh
index 38a7ec06076b..f96d291ccb1c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_002_pos.ksh
index db79b31a91ca..12adcd2146f6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_003_pos.ksh
index 032878dcb12b..2e274bc06d12 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_004_neg.ksh
index 3dfaf22c15a1..43a97c1f8e28 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_005_pos.ksh
index e10d2936cd3d..7366a46f9c81 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_006_pos.ksh
index 292346ad96de..43ae07fbdd6b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_007_pos.ksh
index c7c133a219cd..0b2bd382aa31 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_008_pos.ksh
index 99db3d31a088..abac2e92344f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_009_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_009_pos.ksh
index cd3111496461..3de750cc4643 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_features_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_tempname.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_tempname.ksh
index a75bdecff475..fa0e913f8ad5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_tempname.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_create/zpool_create_tempname.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy.cfg
index c67212ce14af..46182129a855 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_001_pos.ksh
index e5248a1bad9a..9ab0a49fedd1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_002_pos.ksh
index 258c64754790..40adf3f7efbe 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_003_neg.ksh
index 12718eb8d987..97f9db64f2b1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_destroy/zpool_destroy_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_detach/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_detach/cleanup.ksh
index 3167a5097b5a..9a9e017e450f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_detach/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_detach/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_detach/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_detach/setup.ksh
index 23dc57ed3679..e9abf41d2dfa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_detach/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_detach/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_detach/zpool_detach_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_detach/zpool_detach_001_neg.ksh
index 5d1523fa0f92..740cfda3db63 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_detach/zpool_detach_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_detach/zpool_detach_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/cleanup.ksh
index 1adac153d740..c2460ed9eaa7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/setup.ksh
index e37841addf88..81146824b321 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.cfg
index 6018f9d2fd97..557e5f5a1f2f 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.kshlib
index b92ffb13a852..468183e53f63 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear.ksh
index 1df8ff441623..1a83e9d5c320 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear_retained.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear_retained.ksh
index 0eda2de1f6cb..126f88b2965f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear_retained.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_clear_retained.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_cliargs.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_cliargs.ksh
index 27e2cf0ba472..78afd1cd0a1c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_cliargs.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_cliargs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_duplicates.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_duplicates.ksh
index 5bc369480d90..6931a60f2c0f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_duplicates.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_duplicates.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_errors.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_errors.ksh
index 2e98cdfc6f4a..62c9ad2ee1d3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_errors.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_errors.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_follow.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_follow.ksh
index 3311eb546676..4f9f75324bb5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_follow.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_follow.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_poolname.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_poolname.ksh
index 0e3829fcc8d8..89bc47db6e20 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_poolname.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_events/zpool_events_poolname.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/cleanup.ksh
index 2b21521f867d..e289a50bbe76 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/setup.ksh
index ff052d23f659..741c7e245593 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand.cfg
index 0a9c1954f123..ed38f782ef80 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_001_pos.ksh
index c58e933f11be..1d25d7e764f2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_002_pos.ksh
index 34357ca070b5..cece33393d24 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_003_neg.ksh
index 68b17592e2f8..2dcfac0939ef 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_003_neg.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_004_pos.ksh
index e50c1f8b1606..63ccac25f869 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_004_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_005_pos.ksh
index 5e8f1d7053e8..530661a686aa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_expand/zpool_expand_005_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/setup.ksh
index 57bbf32711e3..f7546d6728b5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.cfg
index 0cedb61c25d9..2123dce57867 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.kshlib
index 54f805ea71a4..c574c34aff09 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_001_pos.ksh
index f084ac023997..a873eef96b88 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_002_pos.ksh
index 8bdaddc43da4..5f5376a09113 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_003_neg.ksh
index ec4eae3d5685..1c00b5036950 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_004_pos.ksh
index 4b4038bb8bfd..7cf067f3503f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_admin.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_admin.ksh
index cab8fc2b4239..0bddfd08032b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_admin.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_admin.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_pos.ksh
index 037d17d082bd..02468304d576 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_export/zpool_export_parallel_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/cleanup.ksh
index dde462e66cf9..2f1d4e1e3306 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/setup.ksh
index 03d149cd967a..4d14f5e44f70 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get.cfg
index 6cfa7eaf7514..ccb5e9c15809 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get_001_pos.ksh
index bca2337861d4..246e178bf818 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get.cfg
index e5a8b9026e03..cf5e0961f9fd 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_001_pos.ksh
index 49017fb5eef4..e0c954e34f13 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_002_pos.ksh
index fef573c8dd7d..06ef600e57d8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_003_pos.ksh
index 2a4c98b61c65..a7e8ba8ebffe 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_004_neg.ksh
index 873f58ee7f31..c543110b37ea 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_005_pos.ksh
index e00690fd94a7..f0b7a0450451 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_parsable.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_parsable.cfg
index 22778b41177d..f7cd3cfec8e1 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_parsable.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get_parsable.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_history/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_history/cleanup.ksh
index 7bb00caed5a3..2d851653cb2f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_history/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_history/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_history/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_history/setup.ksh
index 06829b1da5a2..0d9edd4a56fe 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_history/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_history/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_001_neg.ksh
index 052108479079..60bb7e5069eb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_002_pos.ksh
index 5796c60a3772..3da07cb1fc47 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_history/zpool_history_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/cleanup.ksh
index a1f0284c97ed..610d81379050 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_added.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_added.ksh
index 3238faaa9a52..9dbdd146b75a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_added.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_added.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_removed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_removed.ksh
index 3fe3861236d6..b707189beaa2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_removed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_removed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_replaced.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_replaced.ksh
index 8a81c18cd8ca..862630dbf1cf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_replaced.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_device_replaced.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_attached.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_attached.ksh
index b90e24c2cdc5..ea4332e582cb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_attached.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_attached.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_detached.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_detached.ksh
index ba695418f839..98dd4138ca29 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_detached.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_mirror_detached.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_paths_changed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_paths_changed.ksh
index 0902bc49f4b1..a36f7975dac4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_paths_changed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_paths_changed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_shared_device.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_shared_device.ksh
index 5d0bcfc222df..466e1602f079 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_shared_device.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_cachefile_shared_device.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_devices_missing.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_devices_missing.ksh
index e63b82be84bd..350142a6fa3d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_devices_missing.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_devices_missing.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_log_missing.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_log_missing.ksh
index f12cac78540f..fa1fc688887b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_log_missing.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_log_missing.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_paths_changed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_paths_changed.ksh
index 15f3a0a7b400..04b5c6844a1b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_paths_changed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_paths_changed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_config_changed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_config_changed.ksh
index ee0403135dfc..551c841d7926 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_config_changed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_config_changed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_device_replaced.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_device_replaced.ksh
index 6fdb9b26f26c..e3e7e58e3f87 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_device_replaced.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/import_rewind_device_replaced.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/setup.ksh
index 47f85fc493c1..12621356c5cd 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.cfg
index df951be0864e..4fd2b78b5f14 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.kshlib
index 7f9eb43e79b1..7194da878355 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_001_pos.ksh
index 4d061eff21f4..3c761ee58eb3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_002_pos.ksh
index d677f8fb4916..64b03f66cb93 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_003_pos.ksh
index 56914dd4a0f9..e84e8025adb9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_004_pos.ksh
index 494542d59a99..e911d694f421 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_005_pos.ksh
index b8805cd5803b..41a686f73055 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_006_pos.ksh
index d648b3262d8a..c40e5629c868 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_007_pos.ksh
index d7967eb5ef39..3570984b21b0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_008_pos.ksh
index 9489ce1460a4..5ce582e4f092 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_009_neg.ksh
index be18907f6c12..999a628c6cf2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_010_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_010_pos.ksh
index 107f0d88282d..ce1c103cd3c3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_011_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_011_neg.ksh
index 19d4f56709da..e74d1edbeb54 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_011_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_011_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_012_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_012_pos.ksh
index bf499808eb3e..20c1ed356a15 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_013_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_013_neg.ksh
index 956f851c536f..1c5681fc74d3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_013_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_013_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_014_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_014_pos.ksh
index 6e5e06515458..d16ced34125c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_014_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_015_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_015_pos.ksh
index c984b9bf045a..ef7d278ff727 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_015_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_015_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_016_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_016_pos.ksh
index 7c1dd10c5c08..0abbeca95454 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_016_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_016_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_017_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_017_pos.ksh
index b8547852d01f..ae46964e0c6e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_017_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_017_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_all_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_all_001_pos.ksh
index c16a37620a02..8a32a014aea5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_all_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_all_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted.ksh
index 4e9013afeb14..1719a16368b6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted_load.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted_load.ksh
index d060e8a798e2..361e99b3d875 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted_load.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_encrypted_load.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata3.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata3.ksh
index c5e578d79edb..d53172253811 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata3.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata3.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata4.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata4.ksh
index e450d9a6222c..8d9b6a3ad55b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata4.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_errata4.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_001_pos.ksh
index 7c31229afcdc..7df254442b50 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_002_neg.ksh
index be4d41596211..663669e4165a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_003_pos.ksh
index 31828a47a8c1..7d67f8222181 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_features_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed.ksh
index bc82b7cc1ee8..70ce6139eda3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile.ksh
index 07c43482d68f..679326e871d4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile_unclean_export.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile_unclean_export.ksh
index c4273d050422..9a8e5231812f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile_unclean_export.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_cachefile_unclean_export.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_unclean_export.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_unclean_export.ksh
index abbe9acff629..6178ad6c3669 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_unclean_export.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_hostid_changed_unclean_export.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_001_pos.ksh
index 488024cfd0e1..1d015b54776d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_002_pos.ksh
index 7f0cf79a4ad9..599ebe502033 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_003_pos.ksh
index 964b38f9e860..9e03dd91f93b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_admin.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_admin.ksh
index c681d1b7dd23..da6f1bb0f94a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_admin.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_admin.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_neg.ksh
index 339dc2575ede..985ed7a9ef1a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_pos.ksh
index 57a7412e37cc..60088e6dd973 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_parallel_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_rename_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_rename_001_pos.ksh
index 4d6005d2cb02..3d67add8eebe 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_rename_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_rename_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_status.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_status.ksh
index 679362bbef50..525c164ac9f5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_status.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_status.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/cleanup.ksh
index 92005b4efd7f..a3beee135954 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize.kshlib
index 8b0727483cfb..b02de837211b 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_attach_detach_add_remove.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_attach_detach_add_remove.ksh
index 56733758c633..d7f05642bcfa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_attach_detach_add_remove.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_attach_detach_add_remove.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_fault_export_import_online.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_fault_export_import_online.ksh
index 11b8a483e662..26c369be5bee 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_fault_export_import_online.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_fault_export_import_online.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_import_export.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_import_export.ksh
index c29c4b07e524..341f4f75cf7d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_import_export.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_import_export.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_offline_export_import_online.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_offline_export_import_online.ksh
index feca7f9af721..89eace601577 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_offline_export_import_online.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_offline_export_import_online.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_online_offline.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_online_offline.ksh
index 79f47f0f8ba2..10721c1f6cb2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_online_offline.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_online_offline.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_split.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_split.ksh
index e5d528d6cef8..dd8bbb283942 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_split.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_split.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_neg.ksh
index 7de3f20223fd..79bf0b6a2d08 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_pos.ksh
index facbd0efda59..f872246a0661 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_start_and_cancel_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_suspend_resume.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_suspend_resume.ksh
index 2f030c78a01b..79573daa20fb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_suspend_resume.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_suspend_resume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_uninit.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_uninit.ksh
index 17f776cfbc20..6c75146af6b7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_uninit.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_uninit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_unsupported_vdevs.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_unsupported_vdevs.ksh
index 3055478841fc..86e71f78159f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_unsupported_vdevs.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_unsupported_vdevs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_checksums.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_checksums.ksh
index 794d61c4e13f..a8d06d464851 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_checksums.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_checksums.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_initialized.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_initialized.ksh
index dc44727d8757..92e6164d637d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_initialized.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_initialized.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/labelclear.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/labelclear.cfg
index b2a10aa28a46..e8ca64f53516 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/labelclear.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/labelclear.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_active.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_active.ksh
index b63d55d7ad64..92cdf2b87373 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_active.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_active.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_exported.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_exported.ksh
index 72a555bebe07..96783ccd6dae 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_exported.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_exported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_removed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_removed.ksh
index bd8917b3cd66..39b293edf7fb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_removed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_removed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_valid.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_valid.ksh
index 31af9fd3f807..680f64c29934 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_valid.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_labelclear/zpool_labelclear_valid.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/cleanup.ksh
index 3167a5097b5a..9a9e017e450f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/setup.ksh
index 23dc57ed3679..e9abf41d2dfa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_001_pos.ksh
index 23bb47545e81..fc761a540953 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_002_neg.ksh
index be31eb69c4f2..301d8437ee34 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_003_pos.ksh
index a881c7622de2..e53ca89592dc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_offline/zpool_offline_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_online/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_online/cleanup.ksh
index 3167a5097b5a..9a9e017e450f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_online/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_online/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_online/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_online/setup.ksh
index 23dc57ed3679..e9abf41d2dfa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_online/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_online/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_001_pos.ksh
index 8cf64dfab713..f1b06a61abaf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_002_neg.ksh
index a0e7f21072fe..f4f684b9586f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_online/zpool_online_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/cleanup.ksh
index 79cd6e9f908e..7a8942bd8b6f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/setup.ksh
index 6a9af3bc28c3..a00348e4c9b6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/zpool_prefetch_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/zpool_prefetch_001_pos.ksh
index 474f41eae8f3..0f8b0dfd6c97 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/zpool_prefetch_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_prefetch/zpool_prefetch_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/cleanup.ksh
index 3167a5097b5a..9a9e017e450f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/setup.ksh
index 3d866cfd9f20..893b4ee765b9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_001_pos.ksh
index 3fea6c3bb0f0..0931fcb764ec 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_002_neg.ksh
index 4de0a05915d9..9429a6dd439d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reguid/zpool_reguid_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/cleanup.ksh
index af286ff9047f..21e9978b865e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/setup.ksh
index 405f6fa1da8e..9548d8516c8b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove.cfg
index 8baaeb0b3299..d66effe1e7a8 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_001_neg.ksh
index e87336ed00b3..5664fc674d92 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_002_pos.ksh
index ddaed845e0db..c650b3391fb0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_003_pos.ksh
index dc1745bf130e..84b78b7f26f5 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_remove/zpool_remove_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/cleanup.ksh
index 25fced1ec17b..1da3b42a10e9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/setup.ksh
index 59b8764ced84..c0040281ca74 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.cfg
index 35beb568cb40..4c61092bbde2 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.shlib b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.shlib
index 9b3bc1432270..d1f8c8b1b4c0 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.shlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_001_pos.ksh
index 5a1b94db3dcb..7e77cf0ecfb8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_002_pos.ksh
index 95f6f7dcbba4..14e29cbd91e6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_003_pos.ksh
index 3b9851d0d079..613210acbdc1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_004_pos.ksh
index 3180eddc094d..2bd9f616170b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_005_pos.ksh
index 095f3bc05e66..466281ec4d70 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_006_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_006_neg.ksh
index 6533bde68fbe..56250f11f992 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_007_pos.ksh
index 4ba56af85d32..8f03d1093ccc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_reopen/zpool_reopen_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/cleanup.ksh
index 3167a5097b5a..9a9e017e450f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace-o_ashift.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace-o_ashift.ksh
index 9595e51241b3..9b7ee1555534 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace-o_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace-o_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace_prop_ashift.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace_prop_ashift.ksh
index b4ac18e5ea25..c899dc4c4e57 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace_prop_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/replace_prop_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/setup.ksh
index 23dc57ed3679..e9abf41d2dfa 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/zpool_replace_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/zpool_replace_001_neg.ksh
index 6049c1a3697c..e6499b562b5d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_replace/zpool_replace_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_replace/zpool_replace_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/cleanup.ksh
index 066eb36b6f36..1c4be04b68e4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/setup.ksh
index 02ab31958a15..38326dbbd0b8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver.cfg
index 16984432ee27..d144e9ca3f78 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_bad_args.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_bad_args.ksh
index 3f4115aff089..70f0634b8ad2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_bad_args.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_bad_args.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_concurrent.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_concurrent.ksh
index 4c3b09796869..a74cd3ac4f83 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_concurrent.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_concurrent.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_restart.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_restart.ksh
index 8b5b5975774d..14ed595e68e6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_restart.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_resilver/zpool_resilver_restart.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/cleanup.ksh
index c725664380f2..06214ef7fb92 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/setup.ksh
index a0652219ae7d..0f629438bc96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_001_pos.ksh
index e414cd1beaad..8453c4a8ead8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_002_pos.ksh
index daa11c3949c6..5142a6bf0fc9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_003_pos.ksh
index d0066fdbb4a3..8e3358dde289 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_004_pos.ksh
index c88b9b0c8d33..41c21a946417 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_error_scrub_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub.cfg
index d95c1decd5de..045b49f62700 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_001_neg.ksh
index 0368c5809995..431568053472 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_002_pos.ksh
index e11825f91589..54acb0b25b9d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_003_pos.ksh
index 1e1412ee0da9..655489bea1b7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_004_pos.ksh
index 846473be9736..ea2335ad35a3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_005_pos.ksh
index 62d529486509..d19d66a23f58 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_encrypted_unloaded.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_encrypted_unloaded.ksh
index b1f7c6264b01..8ce59b317ac0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_encrypted_unloaded.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_encrypted_unloaded.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_multiple_copies.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_multiple_copies.ksh
index 1abef573883d..22e2670055bb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_multiple_copies.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_multiple_copies.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_offline_device.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_offline_device.ksh
index 815f26179132..eca604b97bdf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_offline_device.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_offline_device.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_print_repairing.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_print_repairing.ksh
index be06d6147af7..eb6bb87eb735 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_print_repairing.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_print_repairing.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_txg_continue_from_last.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_txg_continue_from_last.ksh
index b28a8d2cf72f..a988f7cb5e0d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_txg_continue_from_last.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_txg_continue_from_last.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_001_pos.ksh
index 55518ae9debe..ecc81dfce9d8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_002_neg.ksh
index 5783eb3a0d32..a1fe3b14f090 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/user_property_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/vdev_set_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/vdev_set_001_pos.ksh
index a1f3efb90577..2e5fddf0eccc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/vdev_set_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/vdev_set_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_001_pos.ksh
index 3eb1411c8c86..c3686aa10ff1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_002_neg.ksh
index ab592d433a80..a86f1f164ece 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_003_neg.ksh
index 7e93c8725355..4abb856302c2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_ashift.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_ashift.ksh
index 41fef8f7cdb4..75f7db142011 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_clear_userprop.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_clear_userprop.ksh
index d9395ea8a15b..4bd12747202f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_clear_userprop.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_clear_userprop.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_common.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_common.kshlib
index e095d315c2b5..615411a5e00e 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_common.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_features.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_features.ksh
index f496a0e429d8..b156839194f0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_features.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_set/zpool_set_features.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/cleanup.ksh
index e78deacd5bba..e8bb5cf880e4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/setup.ksh
index 4497dbd7463a..d5c89e387a51 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split.cfg
index a441a7dff0d6..de2c0601d013 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_cliargs.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_cliargs.ksh
index ae9ad1354b0a..c6d8c7ce0635 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_cliargs.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_cliargs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_devices.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_devices.ksh
index 83b12ab784cd..fead8e986ab6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_devices.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_devices.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_dryrun_output.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_dryrun_output.ksh
index def1d154387d..05addd2823a8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_dryrun_output.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_dryrun_output.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_encryption.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_encryption.ksh
index 768466983423..2c7a520e2d75 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_encryption.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_encryption.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_indirect.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_indirect.ksh
index e6e5d245793f..6dd72a7f2688 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_indirect.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_indirect.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_props.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_props.ksh
index 39ae1c9d56f9..20f52f80a607 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_props.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_resilver.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_resilver.ksh
index b50963bbe2ad..af22aa3e7482 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_resilver.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_resilver.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_vdevs.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_vdevs.ksh
index fff98cf83e84..cc9ac872d7c6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_vdevs.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_vdevs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_wholedisk.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_wholedisk.ksh
index 0725b77a3db2..2d6479143a58 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_wholedisk.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_split/zpool_split_wholedisk.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_001_pos.ksh
index 076a08802fbe..e658b20291dc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_002_pos.ksh
index d6f32cdc7ac6..b5701cbdce53 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_003_pos.ksh
index 52b22dd833f0..44226ec97999 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_004_pos.ksh
index 111d598dfb7d..fc8ce136ec9f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh
index ec4c67fb42f5..ab47dfb5ecf3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_006_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_006_pos.ksh
index d6f4a4fe2d86..42c52f8e5ac3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_007_pos.ksh
index 666ac9bfc9dd..bc4f7addbcc2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_008_pos.ksh
index 7c44e800c16a..8405aef3fe2c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_features_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_features_001_pos.ksh
index f5c68aca53e0..31f7427a3b47 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_features_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_status/zpool_status_features_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/cleanup.ksh
index 3167a5097b5a..9a9e017e450f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/setup.ksh
index 3d866cfd9f20..893b4ee765b9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_001_pos.ksh
index e72ca2157f10..eec4afac60bf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_002_neg.ksh
index e35a29130ccc..2b8806d7050f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_sync/zpool_sync_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/cleanup.ksh
index 8ba8166333eb..d762fcfee950 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/setup.ksh
index 09489600b3dc..7be2a316a873 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim.kshlib
index e8d43cc8c740..83a56a026276 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_attach_detach_add_remove.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_attach_detach_add_remove.ksh
index e715de9644b1..9be5329f7e7b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_attach_detach_add_remove.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_attach_detach_add_remove.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_fault_export_import_online.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_fault_export_import_online.ksh
index 6bb9fc346daf..f9fbd673dba7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_fault_export_import_online.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_fault_export_import_online.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_import_export.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_import_export.ksh
index a624d368c3c1..2360b6fd19cf 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_import_export.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_import_export.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_multiple.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_multiple.ksh
index e8236ff83134..0f4cde03c35c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_multiple.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_multiple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_neg.ksh
index 4ab2eb1a71b4..169b181d1ee1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_offline_export_import_online.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_offline_export_import_online.ksh
index 4f904d11ddda..3f93be4963e9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_offline_export_import_online.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_offline_export_import_online.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_online_offline.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_online_offline.ksh
index afc9a2ed19bd..9e130d87e6e3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_online_offline.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_online_offline.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh
index 9342cbe880ae..6cf22fee18b3 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate.ksh
index 6b83a1eede8e..404e743546b1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate_neg.ksh
index 11bd43076279..86525532d90d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_rate_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_secure.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_secure.ksh
index e97d09f515bc..dd6959ba1338 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_secure.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_secure.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_split.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_split.ksh
index 450dc6fd80f4..1f71f84e85d0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_split.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_split.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_neg.ksh
index 68e99090077c..fafe57355e22 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_pos.ksh
index a60e12e1481e..1ee21c0bfef9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_start_and_cancel_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_suspend_resume.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_suspend_resume.ksh
index 553d911e124c..c99f605a17ff 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_suspend_resume.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_suspend_resume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_unsupported_vdevs.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_unsupported_vdevs.ksh
index 988745e30e97..2e2b77f79b3d 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_unsupported_vdevs.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_unsupported_vdevs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_checksums.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_checksums.ksh
index a12acce44a44..2e40d20e13c4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_checksums.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_checksums.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh
index 41d1decd13ce..9c1fcf42ff49 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/cleanup.ksh
index 3b6f28dd7970..0d7282d1046c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/setup.ksh
index 94301e865bc8..991d05f23633 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.cfg b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.cfg
index 977aca621278..70edc02ad163 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.cfg
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.kshlib
index 0889946e8f27..d27eef6c306e 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_001_pos.ksh
index bd44db9eb6be..ad4cb97dcfbb 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_002_pos.ksh
index 8e5f3dd3a9b1..1cd2bd6418a8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_003_pos.ksh
index 559fdf2b0980..bcbb5c2180a0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_004_pos.ksh
index bbadfc1f1d1d..8420aa6c6b31 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_005_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_005_neg.ksh
index 46c93119561f..a5628d7b47e1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_006_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_006_neg.ksh
index c8280086e2e7..8c68f6367722 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_007_pos.ksh
index 018d9c1739fe..e0cd1d29ede6 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_008_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_008_pos.ksh
index aae7120bd69f..b85d9cec14d7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_009_neg.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_009_neg.ksh
index f32eac17bce9..ef59f41a8bf4 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_features_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_features_001_pos.ksh
index 448de3e4041e..1befc3f8c6b8 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_features_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_upgrade/zpool_upgrade_features_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/cleanup.ksh
index 456d2d0c2ddb..3c0d6ce024ba 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/cleanup.ksh
index 456d2d0c2ddb..3c0d6ce024ba 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/setup.ksh
index 8a6a1a25b1e6..8ce078649bcc 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_rebuild.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_rebuild.ksh
index 8cd5864597af..e8440a1e74f0 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_rebuild.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_rebuild.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace.ksh
index 06df7b51cff9..29c4864318e2 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace_cancel.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace_cancel.ksh
index f50b2d8e9a74..c601927841da 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace_cancel.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_replace_cancel.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_resilver.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_resilver.ksh
index a938901f7621..557642e70421 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_resilver.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_resilver.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_basic.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_basic.ksh
index d4bb17081700..8165c56cc087 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_basic.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_basic.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_cancel.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_cancel.ksh
index 7adb3b2b82fa..1a0a625a56ba 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_cancel.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_cancel.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_flag.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_flag.ksh
index aac62cf460db..27f79bc475a1 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_flag.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/scan/zpool_wait_scrub_flag.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/setup.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/setup.ksh
index 5a9af18464a6..01bd122a279c 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait.kshlib b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait.kshlib
index ccb97914968a..5995ecb5be1b 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait.kshlib
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_discard.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_discard.ksh
index 8d5747e09047..52fe892dd710 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_discard.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_discard.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_freeing.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_freeing.ksh
index 73ec6a27bcc7..fd0227bcae40 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_freeing.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_freeing.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_basic.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_basic.ksh
index 924ae5f0d86d..9e0a282d26fe 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_basic.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_basic.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_cancel.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_cancel.ksh
index 8b19ee62aad3..0ef6c24bd110 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_cancel.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_cancel.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_flag.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_flag.ksh
index 8c8c45a51eec..3fed4dbcd9c7 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_flag.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_initialize_flag.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_multiple.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_multiple.ksh
index a8107b94eb3b..477a9b5a915f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_multiple.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_multiple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_no_activity.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_no_activity.ksh
index f4819f37adb7..01f5d003156f 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_no_activity.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_no_activity.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove.ksh
index 19298d193cd0..c01ec2555b9a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove_cancel.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove_cancel.ksh
index 4373b5777978..ed742975def9 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove_cancel.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_remove_cancel.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_basic.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_basic.ksh
index f047050ea0d2..504eec11d70e 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_basic.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_basic.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_cancel.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_cancel.ksh
index 26e1aa68e644..b94e7a50ce91 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_cancel.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_cancel.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_flag.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_flag.ksh
index effccc1c340f..a6b7cabb1c4a 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_flag.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_trim_flag.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_usage.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_usage.ksh
index 05cbfce5741c..de5d15bf406b 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_usage.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_wait/zpool_wait_usage.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_001_pos.ksh
index 853d40e0355b..0840878fdb0d 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_002_neg.ksh
index 1edc9fa82047..ec4abe35409d 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/arc_summary_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/arcstat_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/arcstat_001_pos.ksh
index d48aae19c746..700bd9a6f529 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/arcstat_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/arcstat_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/cleanup.ksh
index bbc2565f3b36..a3c3fa6fc144 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/misc.cfg b/tests/zfs-tests/tests/functional/cli_user/misc/misc.cfg
index 9c76a8780b4a..f2e8472208d1 100644
--- a/tests/zfs-tests/tests/functional/cli_user/misc/misc.cfg
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/misc.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/setup.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/setup.ksh
index 9e49c7188ce5..c85a6390f535 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zdb_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zdb_001_neg.ksh
index ee889dfc2682..65612eb43d42 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zdb_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zdb_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_001_neg.ksh
index a70dc47fcc95..2ad38417101a 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_allow_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_allow_001_neg.ksh
index 74dc1956105d..96a0cf43ebd1 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_allow_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_allow_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_clone_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_clone_001_neg.ksh
index 4cb615b07cd2..c9d9d5b0ffeb 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_clone_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_clone_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_create_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_create_001_neg.ksh
index c77641ad8d7a..5829aaa9044b 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_create_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_create_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_destroy_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_destroy_001_neg.ksh
index c1bdf6a83cea..1ad3d2b67002 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_destroy_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_destroy_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_get_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_get_001_neg.ksh
index 352dcae6301b..978a25181def 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_get_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_get_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_inherit_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_inherit_001_neg.ksh
index c52c7bbfd170..304958968081 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_inherit_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_inherit_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_mount_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_mount_001_neg.ksh
index b5779ec8b56a..f218ee21a405 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_mount_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_mount_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_promote_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_promote_001_neg.ksh
index 64cbbd57cc58..a1bf844777cb 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_promote_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_promote_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_receive_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_receive_001_neg.ksh
index 3eec6306a60d..105780014c8a 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_receive_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_receive_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rename_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rename_001_neg.ksh
index a7c0d78e4a8f..5d87b67725c0 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rename_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rename_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rollback_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rollback_001_neg.ksh
index bda0702c7581..472f4c7b3bad 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rollback_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_rollback_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_send_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_send_001_neg.ksh
index 9bdcd519716a..3748f7948901 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_send_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_send_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_set_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_set_001_neg.ksh
index 1ec198415705..727e08915874 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_set_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_set_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_share_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_share_001_neg.ksh
index 4ef9ac28af51..ca029a9a14eb 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_share_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_share_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_snapshot_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_snapshot_001_neg.ksh
index 8c770ae4cc22..9c3ffcdd22ab 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_snapshot_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_snapshot_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unallow_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unallow_001_neg.ksh
index e382141393c1..fd230a2d166b 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unallow_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unallow_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unmount_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unmount_001_neg.ksh
index d421643314cf..14ee45761232 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unmount_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unmount_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unshare_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unshare_001_neg.ksh
index f6f5b13556c9..664eff296c7e 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unshare_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_unshare_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_upgrade_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_upgrade_001_neg.ksh
index d03907293501..6eaafef0d3af 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zfs_upgrade_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zfs_upgrade_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zilstat_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zilstat_001_pos.ksh
index 9deee67a56ca..2ac33d11a75e 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zilstat_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zilstat_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_001_neg.ksh
index 13c4ad0f1362..dfad671f03fb 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_add_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_add_001_neg.ksh
index b68a3eae9920..7a1c74446b22 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_add_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_add_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_attach_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_attach_001_neg.ksh
index 959f2aea991d..d6c46dcc327e 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_attach_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_attach_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_clear_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_clear_001_neg.ksh
index f73169ac5b75..abb5234aa30b 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_clear_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_clear_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_create_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_create_001_neg.ksh
index 15a44abd4dda..9c1c044b78f8 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_create_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_create_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_destroy_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_destroy_001_neg.ksh
index fabac4dbcddb..5fa53c6d3a2f 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_destroy_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_destroy_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_detach_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_detach_001_neg.ksh
index 35f200148fc8..c3b00e5c6b8f 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_detach_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_detach_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_export_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_export_001_neg.ksh
index 9f5c7c224f07..9c1e5d076368 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_export_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_export_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_get_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_get_001_neg.ksh
index d3179be3970d..91328ef383a3 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_get_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_get_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_history_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_history_001_neg.ksh
index 916905e24ec1..6fb039bda6ee 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_history_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_history_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_001_neg.ksh
index 66dd71507abd..e5e68e6a29c0 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_002_neg.ksh
index 3eb091ef2573..e6f928354ebd 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_import_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_offline_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_offline_001_neg.ksh
index 1f8b5dc94c9e..fdf99b44af6f 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_offline_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_offline_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_online_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_online_001_neg.ksh
index e3c0699e096c..595816d225e6 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_online_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_online_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_remove_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_remove_001_neg.ksh
index 91632c539e66..16ed39e50eb1 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_remove_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_remove_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_replace_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_replace_001_neg.ksh
index fb6f5847c0fd..92ae7307a12c 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_replace_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_replace_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_scrub_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_scrub_001_neg.ksh
index 730c18e085ba..4b648f534bbd 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_scrub_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_scrub_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_set_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_set_001_neg.ksh
index 8c89379f5690..705b66fd0f9a 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_set_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_set_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_status_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_status_001_neg.ksh
index a5a44be812f0..a7cc90e6bf8d 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_status_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_status_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_upgrade_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_upgrade_001_neg.ksh
index eebe13ad30b3..8961dcb25825 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_upgrade_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_upgrade_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_wait_privilege.ksh b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_wait_privilege.ksh
index 42a2dd2c63ee..0c6e30a5d6b2 100755
--- a/tests/zfs-tests/tests/functional/cli_user/misc/zpool_wait_privilege.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/misc/zpool_wait_privilege.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/cleanup.ksh
index 635042bc11bc..17548bdb78f9 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/setup.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/setup.ksh
index 0196b795395d..27000d41234f 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.cfg b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.cfg
index de343510186d..a0587f241551 100644
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.cfg
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.kshlib b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.kshlib
index 4c0d9b5b4606..b413b29efda4 100644
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.kshlib
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_001_pos.ksh
index 318b42e86bdf..413778a04ae6 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_002_pos.ksh
index cc0659f0761e..dccc46a1647c 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_003_pos.ksh
index 896f629a260a..9d955ff4dd47 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_004_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_004_neg.ksh
index cc3f2084a8b0..4820ca0a72f5 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_007_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_007_pos.ksh
index 1049ba9dbe1b..5b025ce2a45a 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_008_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_008_neg.ksh
index dda1c4f18ca0..2d4245abdb3f 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zfs_list/zfs_list_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/setup.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/setup.ksh
index 009d931c100d..c40f01fce640 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_disable.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_disable.ksh
index 5fea262a4f61..3aa069205125 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_disable.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_disable.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_homedir.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_homedir.ksh
index 60d350573a15..86ceb8dec296 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_homedir.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_homedir.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_searchpath.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_searchpath.ksh
index efd279faed1a..4c0fa1909663 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_searchpath.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_-c_searchpath.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_001_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_001_neg.ksh
index eeb2c47dcb27..762e20a1871d 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_002_pos.ksh
index 72c5367522ff..eb032373185f 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_003_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_003_neg.ksh
index 5f490b54a795..9b5fa165e2ec 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_004_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_004_pos.ksh
index 3ff871b0d2d9..b33f160f45ee 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_005_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_005_pos.ksh
index 10b4761fe233..6baa5b87b4a0 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_iostat/zpool_iostat_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_list/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_list/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_list/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_list/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_list/setup.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_list/setup.ksh
index 76aa23035dd9..9e1eb26ef761 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_list/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_list/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_001_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_001_pos.ksh
index a54124a58e5c..1bd7ffbca9c4 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_002_neg.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_002_neg.ksh
index 001c7292bed2..daa8fcb6aebb 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_list/zpool_list_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_status/cleanup.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_status/cleanup.ksh
index 17d29ee4f548..66de31744a96 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_status/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_status/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_status/setup.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_status/setup.ksh
index 4c719075a741..be80dc7e3837 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_status/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_status/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_disable.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_disable.ksh
index 4cac07371660..0ba3c89ab98f 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_disable.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_disable.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_homedir.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_homedir.ksh
index a0d17ba7c94c..db2d0b461fa4 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_homedir.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_homedir.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_searchpath.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_searchpath.ksh
index e3c9187355ae..866c74ae2a25 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_searchpath.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_-c_searchpath.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_003_pos.ksh b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_003_pos.ksh
index 69b5448b458a..7fd71e6fc89a 100755
--- a/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cli_user/zpool_status/zpool_status_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/cleanup.ksh b/tests/zfs-tests/tests/functional/compression/cleanup.ksh
index f3647ea2bbee..10e4ec0754ad 100755
--- a/tests/zfs-tests/tests/functional/compression/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/compression/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/compress.cfg b/tests/zfs-tests/tests/functional/compression/compress.cfg
index 6c955807c482..a659925d016c 100644
--- a/tests/zfs-tests/tests/functional/compression/compress.cfg
+++ b/tests/zfs-tests/tests/functional/compression/compress.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/compress_001_pos.ksh b/tests/zfs-tests/tests/functional/compression/compress_001_pos.ksh
index cddd45a628f4..86a335f44be8 100755
--- a/tests/zfs-tests/tests/functional/compression/compress_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/compression/compress_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/compress_002_pos.ksh b/tests/zfs-tests/tests/functional/compression/compress_002_pos.ksh
index 1f7d234c10bf..e7f28e18ed1f 100755
--- a/tests/zfs-tests/tests/functional/compression/compress_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/compression/compress_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/compress_003_pos.ksh b/tests/zfs-tests/tests/functional/compression/compress_003_pos.ksh
index f8028ad218a1..715d951b8dce 100755
--- a/tests/zfs-tests/tests/functional/compression/compress_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/compression/compress_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh b/tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh
index ba851343712f..7b36e1771bd7 100755
--- a/tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/compress_zstd_bswap.ksh b/tests/zfs-tests/tests/functional/compression/compress_zstd_bswap.ksh
index 73428e8af510..553be748c74f 100755
--- a/tests/zfs-tests/tests/functional/compression/compress_zstd_bswap.ksh
+++ b/tests/zfs-tests/tests/functional/compression/compress_zstd_bswap.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc.ksh b/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc.ksh
index 1eded81101c1..c5e5e00bbba0 100755
--- a/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc.ksh
+++ b/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc_disabled.ksh b/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc_disabled.ksh
index b08f8dccc845..6b3c7cb3eb0e 100755
--- a/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc_disabled.ksh
+++ b/tests/zfs-tests/tests/functional/compression/l2arc_compressed_arc_disabled.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/l2arc_encrypted.ksh b/tests/zfs-tests/tests/functional/compression/l2arc_encrypted.ksh
index 8da3441330a6..6f1fa10ccb4b 100755
--- a/tests/zfs-tests/tests/functional/compression/l2arc_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/compression/l2arc_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/l2arc_encrypted_no_compressed_arc.ksh b/tests/zfs-tests/tests/functional/compression/l2arc_encrypted_no_compressed_arc.ksh
index e571016f6e2a..f05ad901077f 100755
--- a/tests/zfs-tests/tests/functional/compression/l2arc_encrypted_no_compressed_arc.ksh
+++ b/tests/zfs-tests/tests/functional/compression/l2arc_encrypted_no_compressed_arc.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/compression/setup.ksh b/tests/zfs-tests/tests/functional/compression/setup.ksh
index 1eeefeaa18c1..84e6d5d8ac1f 100755
--- a/tests/zfs-tests/tests/functional/compression/setup.ksh
+++ b/tests/zfs-tests/tests/functional/compression/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh b/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/cp_files/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cp_files/cp_files_001_pos.ksh b/tests/zfs-tests/tests/functional/cp_files/cp_files_001_pos.ksh
index 5a48f0fbc522..183aeaf16cde 100755
--- a/tests/zfs-tests/tests/functional/cp_files/cp_files_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cp_files/cp_files_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cp_files/cp_files_002_pos.ksh b/tests/zfs-tests/tests/functional/cp_files/cp_files_002_pos.ksh
index 418c41fe659a..4a4bad7ac29d 100755
--- a/tests/zfs-tests/tests/functional/cp_files/cp_files_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/cp_files/cp_files_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cp_files/cp_stress.ksh b/tests/zfs-tests/tests/functional/cp_files/cp_stress.ksh
index d0880c9270f6..b5ebc68f71b5 100755
--- a/tests/zfs-tests/tests/functional/cp_files/cp_stress.ksh
+++ b/tests/zfs-tests/tests/functional/cp_files/cp_stress.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/cp_files/setup.ksh b/tests/zfs-tests/tests/functional/cp_files/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/cp_files/setup.ksh
+++ b/tests/zfs-tests/tests/functional/cp_files/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/crtime/cleanup.ksh b/tests/zfs-tests/tests/functional/crtime/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/crtime/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/crtime/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/crtime/crtime_001_pos.ksh b/tests/zfs-tests/tests/functional/crtime/crtime_001_pos.ksh
index b2d0e7378652..aed70d81f501 100755
--- a/tests/zfs-tests/tests/functional/crtime/crtime_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/crtime/crtime_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/crtime/setup.ksh b/tests/zfs-tests/tests/functional/crtime/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/crtime/setup.ksh
+++ b/tests/zfs-tests/tests/functional/crtime/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/ctime/cleanup.ksh b/tests/zfs-tests/tests/functional/ctime/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/ctime/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/ctime/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/ctime/ctime_001_pos.ksh b/tests/zfs-tests/tests/functional/ctime/ctime_001_pos.ksh
index 6791067ff72f..ccc030132252 100755
--- a/tests/zfs-tests/tests/functional/ctime/ctime_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/ctime/ctime_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/ctime/setup.ksh b/tests/zfs-tests/tests/functional/ctime/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/ctime/setup.ksh
+++ b/tests/zfs-tests/tests/functional/ctime/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/deadman/deadman.cfg b/tests/zfs-tests/tests/functional/deadman/deadman.cfg
index 96dc06b78675..206979f04e21 100644
--- a/tests/zfs-tests/tests/functional/deadman/deadman.cfg
+++ b/tests/zfs-tests/tests/functional/deadman/deadman.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/deadman/deadman_ratelimit.ksh b/tests/zfs-tests/tests/functional/deadman/deadman_ratelimit.ksh
index d851d03e1a87..10490b5c54d0 100755
--- a/tests/zfs-tests/tests/functional/deadman/deadman_ratelimit.ksh
+++ b/tests/zfs-tests/tests/functional/deadman/deadman_ratelimit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/deadman/deadman_sync.ksh b/tests/zfs-tests/tests/functional/deadman/deadman_sync.ksh
index 5c165523fefd..027a02b7b635 100755
--- a/tests/zfs-tests/tests/functional/deadman/deadman_sync.ksh
+++ b/tests/zfs-tests/tests/functional/deadman/deadman_sync.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/deadman/deadman_zio.ksh b/tests/zfs-tests/tests/functional/deadman/deadman_zio.ksh
index 592399be0e80..3ef5524d0dec 100755
--- a/tests/zfs-tests/tests/functional/deadman/deadman_zio.ksh
+++ b/tests/zfs-tests/tests/functional/deadman/deadman_zio.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/dedup/cleanup.ksh b/tests/zfs-tests/tests/functional/dedup/cleanup.ksh
index b3c4c04d7761..e532487265fe 100755
--- a/tests/zfs-tests/tests/functional/dedup/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/dedup/dedup_fdt_create.ksh b/tests/zfs-tests/tests/functional/dedup/dedup_fdt_create.ksh
index 3b17de5a4073..1a82e5d30a17 100755
--- a/tests/zfs-tests/tests/functional/dedup/dedup_fdt_create.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/dedup_fdt_create.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/dedup/dedup_fdt_import.ksh b/tests/zfs-tests/tests/functional/dedup/dedup_fdt_import.ksh
index faa9b7e044cd..5f6eb7c34009 100755
--- a/tests/zfs-tests/tests/functional/dedup/dedup_fdt_import.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/dedup_fdt_import.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_create.ksh b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_create.ksh
index 9e524ddbe28e..3348614cb740 100755
--- a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_create.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_create.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_mixed.ksh b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_mixed.ksh
index fd3b01e8cd2c..c962efaa7c58 100755
--- a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_mixed.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_mixed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_upgrade.ksh b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_upgrade.ksh
index 7a1e8006db16..94f009fc0d04 100755
--- a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_upgrade.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_fdt_upgrade.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_import.ksh b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_import.ksh
index 4de46e89fc05..9f6b1ef12a97 100755
--- a/tests/zfs-tests/tests/functional/dedup/dedup_legacy_import.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/dedup_legacy_import.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/dedup/dedup_quota.ksh b/tests/zfs-tests/tests/functional/dedup/dedup_quota.ksh
index b1657648b5a1..141286ba7c07 100755
--- a/tests/zfs-tests/tests/functional/dedup/dedup_quota.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/dedup_quota.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/dedup/setup.ksh b/tests/zfs-tests/tests/functional/dedup/setup.ksh
index a21238879faf..c395ca71c848 100755
--- a/tests/zfs-tests/tests/functional/dedup/setup.ksh
+++ b/tests/zfs-tests/tests/functional/dedup/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/cleanup.ksh b/tests/zfs-tests/tests/functional/delegate/cleanup.ksh
index 173a3ef2e136..6982b1b10575 100755
--- a/tests/zfs-tests/tests/functional/delegate/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/delegate.cfg b/tests/zfs-tests/tests/functional/delegate/delegate.cfg
index d78896fb0174..f80eb2f2d780 100644
--- a/tests/zfs-tests/tests/functional/delegate/delegate.cfg
+++ b/tests/zfs-tests/tests/functional/delegate/delegate.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/delegate_common.kshlib b/tests/zfs-tests/tests/functional/delegate/delegate_common.kshlib
index 5ddb6ca2ddc8..7ffdd3810010 100644
--- a/tests/zfs-tests/tests/functional/delegate/delegate_common.kshlib
+++ b/tests/zfs-tests/tests/functional/delegate/delegate_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/setup.ksh b/tests/zfs-tests/tests/functional/delegate/setup.ksh
index dd2822442bd1..57a019a415bd 100755
--- a/tests/zfs-tests/tests/functional/delegate/setup.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_001_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_001_pos.ksh
index 4324e3f4cbf3..16d9e3d9e922 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_002_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_002_pos.ksh
index 9045f316ca81..ffb9a156d37c 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_003_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_003_pos.ksh
index 34a26cfc0ca4..e0189fc26d2c 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_004_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_004_pos.ksh
index f90cdd8aa5a9..ae430c859c39 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_005_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_005_pos.ksh
index d8e7b56021f7..9753b9fa802b 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_006_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_006_pos.ksh
index a4e96adf088e..a26b9958c837 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_007_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_007_pos.ksh
index 8855fa48e3a4..4a5b61328ac5 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_008_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_008_pos.ksh
index be187475e937..05c8cf989e30 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_009_neg.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_009_neg.ksh
index 9b7995f651df..6c21140b255c 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_010_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_010_pos.ksh
index 549928697edd..692ae007d0d1 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_011_neg.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_011_neg.ksh
index 44a98dde5ba2..0317e9e2eae9 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_011_neg.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_011_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_allow_012_neg.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_allow_012_neg.ksh
index dac66c0318bd..57b80b69a13e 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_allow_012_neg.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_allow_012_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_001_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_001_pos.ksh
index 5d64880d030a..225b7c35095b 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_002_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_002_pos.ksh
index 471c5645bced..236c0bdc5cd7 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_003_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_003_pos.ksh
index 98af7fba226f..81d38c5d3800 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_004_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_004_pos.ksh
index 7e35d4cc38ec..9597b0c9c3a5 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_005_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_005_pos.ksh
index 59bc6cc7d6de..c194aca1c1fe 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_006_pos.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_006_pos.ksh
index 5521eccebfd6..77f1d12e550f 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_007_neg.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_007_neg.ksh
index a25f60b41d0b..d4811d3434ea 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_008_neg.ksh b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_008_neg.ksh
index 1cda9cef9fb1..7d59d6b363d3 100755
--- a/tests/zfs-tests/tests/functional/delegate/zfs_unallow_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/delegate/zfs_unallow_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/devices/cleanup.ksh b/tests/zfs-tests/tests/functional/devices/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/devices/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/devices/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/devices/devices.cfg b/tests/zfs-tests/tests/functional/devices/devices.cfg
index 6024834aa3f6..6592431f71dd 100644
--- a/tests/zfs-tests/tests/functional/devices/devices.cfg
+++ b/tests/zfs-tests/tests/functional/devices/devices.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/devices/devices_001_pos.ksh b/tests/zfs-tests/tests/functional/devices/devices_001_pos.ksh
index d130a3d0362d..982ba3ef2bc5 100755
--- a/tests/zfs-tests/tests/functional/devices/devices_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/devices/devices_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/devices/devices_002_neg.ksh b/tests/zfs-tests/tests/functional/devices/devices_002_neg.ksh
index 1cc7b2bd26eb..bc6d2a1b049c 100755
--- a/tests/zfs-tests/tests/functional/devices/devices_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/devices/devices_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/devices/devices_003_pos.ksh b/tests/zfs-tests/tests/functional/devices/devices_003_pos.ksh
index 909ca9c80d4b..995df04c3aaf 100755
--- a/tests/zfs-tests/tests/functional/devices/devices_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/devices/devices_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/devices/devices_common.kshlib b/tests/zfs-tests/tests/functional/devices/devices_common.kshlib
index 800c565bfe67..8024067ac9e4 100644
--- a/tests/zfs-tests/tests/functional/devices/devices_common.kshlib
+++ b/tests/zfs-tests/tests/functional/devices/devices_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/devices/setup.ksh b/tests/zfs-tests/tests/functional/devices/setup.ksh
index c464156ceb60..6a9805a746bd 100755
--- a/tests/zfs-tests/tests/functional/devices/setup.ksh
+++ b/tests/zfs-tests/tests/functional/devices/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/cleanup.ksh b/tests/zfs-tests/tests/functional/direct/cleanup.ksh
index 75fe97f923d2..099f61628878 100755
--- a/tests/zfs-tests/tests/functional/direct/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/direct/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio.cfg b/tests/zfs-tests/tests/functional/direct/dio.cfg
index 6472610d7b41..bb56d1b2587d 100644
--- a/tests/zfs-tests/tests/functional/direct/dio.cfg
+++ b/tests/zfs-tests/tests/functional/direct/dio.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio.kshlib b/tests/zfs-tests/tests/functional/direct/dio.kshlib
index 49c43a0aaca3..33564ccc71e6 100644
--- a/tests/zfs-tests/tests/functional/direct/dio.kshlib
+++ b/tests/zfs-tests/tests/functional/direct/dio.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_aligned_block.ksh b/tests/zfs-tests/tests/functional/direct/dio_aligned_block.ksh
index e26fbdfc2569..b275224948fb 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_aligned_block.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_aligned_block.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_async_always.ksh b/tests/zfs-tests/tests/functional/direct/dio_async_always.ksh
index 27fd66ccd216..ee3a102b7da1 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_async_always.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_async_always.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # DDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_async_fio_ioengines.ksh b/tests/zfs-tests/tests/functional/direct/dio_async_fio_ioengines.ksh
index 5492a5a90584..707dfeebd0b6 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_async_fio_ioengines.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_async_fio_ioengines.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_compression.ksh b/tests/zfs-tests/tests/functional/direct/dio_compression.ksh
index 5463715d7bab..14d285cd8217 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_compression.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_compression.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_dedup.ksh b/tests/zfs-tests/tests/functional/direct/dio_dedup.ksh
index ba2b29eeca4e..004f2875a405 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_dedup.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_dedup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # DDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_encryption.ksh b/tests/zfs-tests/tests/functional/direct/dio_encryption.ksh
index b6faa11970b3..ed26632bc06b 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_encryption.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_encryption.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # DDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_grow_block.ksh b/tests/zfs-tests/tests/functional/direct/dio_grow_block.ksh
index 12b2f2127535..45c2f68c110a 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_grow_block.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_grow_block.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_loopback_dev.ksh b/tests/zfs-tests/tests/functional/direct/dio_loopback_dev.ksh
index 7186eba5aafc..3e02739c9ff9 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_loopback_dev.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_loopback_dev.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_max_recordsize.ksh b/tests/zfs-tests/tests/functional/direct/dio_max_recordsize.ksh
index 2c0ce832b1fe..533f1d9b636c 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_max_recordsize.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_max_recordsize.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_mixed.ksh b/tests/zfs-tests/tests/functional/direct/dio_mixed.ksh
index dc10b8a33dbe..31f3a0c67639 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_mixed.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_mixed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_mmap.ksh b/tests/zfs-tests/tests/functional/direct/dio_mmap.ksh
index fbd6afd7b391..52a03ff64e03 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_mmap.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_mmap.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_overwrites.ksh b/tests/zfs-tests/tests/functional/direct/dio_overwrites.ksh
index 04973fc88632..5e47a8a400d8 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_overwrites.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_overwrites.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_property.ksh b/tests/zfs-tests/tests/functional/direct/dio_property.ksh
index 9e18f0bf787e..1a10b4903372 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_property.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_property.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_random.ksh b/tests/zfs-tests/tests/functional/direct/dio_random.ksh
index abe8d5c0dca1..381b104dd643 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_random.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_random.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_read_verify.ksh b/tests/zfs-tests/tests/functional/direct/dio_read_verify.ksh
index 67e0b4a7c700..114d2946f9cc 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_read_verify.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_read_verify.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_recordsize.ksh b/tests/zfs-tests/tests/functional/direct/dio_recordsize.ksh
index def46822130d..749be19e0a0d 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_recordsize.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_recordsize.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_unaligned_block.ksh b/tests/zfs-tests/tests/functional/direct/dio_unaligned_block.ksh
index 309d35ea0e6d..fe3fd7a2a022 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_unaligned_block.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_unaligned_block.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_unaligned_filesize.ksh b/tests/zfs-tests/tests/functional/direct/dio_unaligned_filesize.ksh
index 6e2982ad7d46..7d4b0e393146 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_unaligned_filesize.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_unaligned_filesize.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_write_stable_pages.ksh b/tests/zfs-tests/tests/functional/direct/dio_write_stable_pages.ksh
index 3d7f7089d7c8..9defa545307f 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_write_stable_pages.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_write_stable_pages.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/dio_write_verify.ksh b/tests/zfs-tests/tests/functional/direct/dio_write_verify.ksh
index 1c1565cbbefb..06b8fe2126db 100755
--- a/tests/zfs-tests/tests/functional/direct/dio_write_verify.ksh
+++ b/tests/zfs-tests/tests/functional/direct/dio_write_verify.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/direct/setup.ksh b/tests/zfs-tests/tests/functional/direct/setup.ksh
index f66d6531c1db..066ed3c0a78e 100755
--- a/tests/zfs-tests/tests/functional/direct/setup.ksh
+++ b/tests/zfs-tests/tests/functional/direct/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/cleanup.ksh b/tests/zfs-tests/tests/functional/dos_attributes/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/dos_attributes/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/dos_attributes/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/read_dos_attrs_001.ksh b/tests/zfs-tests/tests/functional/dos_attributes/read_dos_attrs_001.ksh
index 2c99a4049c67..ad042031eb55 100755
--- a/tests/zfs-tests/tests/functional/dos_attributes/read_dos_attrs_001.ksh
+++ b/tests/zfs-tests/tests/functional/dos_attributes/read_dos_attrs_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/setup.ksh b/tests/zfs-tests/tests/functional/dos_attributes/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/dos_attributes/setup.ksh
+++ b/tests/zfs-tests/tests/functional/dos_attributes/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/write_dos_attrs_001.ksh b/tests/zfs-tests/tests/functional/dos_attributes/write_dos_attrs_001.ksh
index 4a7fb747f930..2b0eb4519fa6 100755
--- a/tests/zfs-tests/tests/functional/dos_attributes/write_dos_attrs_001.ksh
+++ b/tests/zfs-tests/tests/functional/dos_attributes/write_dos_attrs_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/cleanup.ksh b/tests/zfs-tests/tests/functional/events/cleanup.ksh
index 669b8ae99456..18cdb3753fc7 100755
--- a/tests/zfs-tests/tests/functional/events/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/events/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/events.cfg b/tests/zfs-tests/tests/functional/events/events.cfg
index 5dbdb3074f31..bdfc60778c5c 100644
--- a/tests/zfs-tests/tests/functional/events/events.cfg
+++ b/tests/zfs-tests/tests/functional/events/events.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/events_001_pos.ksh b/tests/zfs-tests/tests/functional/events/events_001_pos.ksh
index b509a44606f0..5781208dd665 100755
--- a/tests/zfs-tests/tests/functional/events/events_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/events/events_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/events_002_pos.ksh b/tests/zfs-tests/tests/functional/events/events_002_pos.ksh
index e355b8977378..6ce0cb2be63e 100755
--- a/tests/zfs-tests/tests/functional/events/events_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/events/events_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/events_common.kshlib b/tests/zfs-tests/tests/functional/events/events_common.kshlib
index 7a0b032c3b2f..79813e33bc77 100644
--- a/tests/zfs-tests/tests/functional/events/events_common.kshlib
+++ b/tests/zfs-tests/tests/functional/events/events_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/setup.ksh b/tests/zfs-tests/tests/functional/events/setup.ksh
index 0f058b8fe18c..3a006a938a27 100755
--- a/tests/zfs-tests/tests/functional/events/setup.ksh
+++ b/tests/zfs-tests/tests/functional/events/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/zed_cksum_config.ksh b/tests/zfs-tests/tests/functional/events/zed_cksum_config.ksh
index 5aae3d034660..3a0856e2f803 100755
--- a/tests/zfs-tests/tests/functional/events/zed_cksum_config.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_cksum_config.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/events/zed_cksum_reported.ksh b/tests/zfs-tests/tests/functional/events/zed_cksum_reported.ksh
index 78acd76c2eeb..c1e963390162 100755
--- a/tests/zfs-tests/tests/functional/events/zed_cksum_reported.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_cksum_reported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/events/zed_diagnose_multiple.ksh b/tests/zfs-tests/tests/functional/events/zed_diagnose_multiple.ksh
index aea9f1dd34de..785bd9543dd6 100755
--- a/tests/zfs-tests/tests/functional/events/zed_diagnose_multiple.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_diagnose_multiple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/zed_fd_spill.ksh b/tests/zfs-tests/tests/functional/events/zed_fd_spill.ksh
index 4803f0f3de7c..0aa7f7a4754d 100755
--- a/tests/zfs-tests/tests/functional/events/zed_fd_spill.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_fd_spill.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/zed_io_config.ksh b/tests/zfs-tests/tests/functional/events/zed_io_config.ksh
index 637f979fe8d1..d127314fadcb 100755
--- a/tests/zfs-tests/tests/functional/events/zed_io_config.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_io_config.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
diff --git a/tests/zfs-tests/tests/functional/events/zed_rc_filter.ksh b/tests/zfs-tests/tests/functional/events/zed_rc_filter.ksh
index 766468b5660d..26dd4d6061ed 100755
--- a/tests/zfs-tests/tests/functional/events/zed_rc_filter.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_rc_filter.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/zed_slow_io.ksh b/tests/zfs-tests/tests/functional/events/zed_slow_io.ksh
index d9fabb2c3bc9..0c68530ee9ef 100755
--- a/tests/zfs-tests/tests/functional/events/zed_slow_io.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_slow_io.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/events/zed_slow_io_many_vdevs.ksh b/tests/zfs-tests/tests/functional/events/zed_slow_io_many_vdevs.ksh
index e27ef91cbdc7..a2a2d5888ed6 100755
--- a/tests/zfs-tests/tests/functional/events/zed_slow_io_many_vdevs.ksh
+++ b/tests/zfs-tests/tests/functional/events/zed_slow_io_many_vdevs.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/exec/cleanup.ksh b/tests/zfs-tests/tests/functional/exec/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/exec/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/exec/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/exec/exec_001_pos.ksh b/tests/zfs-tests/tests/functional/exec/exec_001_pos.ksh
index 097ecd5f49dd..3fe3f1171f8e 100755
--- a/tests/zfs-tests/tests/functional/exec/exec_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/exec/exec_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/exec/exec_002_neg.ksh b/tests/zfs-tests/tests/functional/exec/exec_002_neg.ksh
index 5cda647ef14f..4d7c328d961e 100755
--- a/tests/zfs-tests/tests/functional/exec/exec_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/exec/exec_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/exec/setup.ksh b/tests/zfs-tests/tests/functional/exec/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/exec/setup.ksh
+++ b/tests/zfs-tests/tests/functional/exec/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fadvise/cleanup.ksh b/tests/zfs-tests/tests/functional/fadvise/cleanup.ksh
index 8b5b43a74c16..8987e2277431 100755
--- a/tests/zfs-tests/tests/functional/fadvise/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/fadvise/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fadvise/fadvise_sequential.ksh b/tests/zfs-tests/tests/functional/fadvise/fadvise_sequential.ksh
index daeb93273a54..f72c21f568ef 100755
--- a/tests/zfs-tests/tests/functional/fadvise/fadvise_sequential.ksh
+++ b/tests/zfs-tests/tests/functional/fadvise/fadvise_sequential.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fadvise/setup.ksh b/tests/zfs-tests/tests/functional/fadvise/setup.ksh
index 8ddd73307bb4..a4a14118cc8a 100755
--- a/tests/zfs-tests/tests/functional/fadvise/setup.ksh
+++ b/tests/zfs-tests/tests/functional/fadvise/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fallocate/cleanup.ksh b/tests/zfs-tests/tests/functional/fallocate/cleanup.ksh
index c99f11a0e87c..b82b7b17ede3 100755
--- a/tests/zfs-tests/tests/functional/fallocate/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/fallocate/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fallocate/fallocate_prealloc.ksh b/tests/zfs-tests/tests/functional/fallocate/fallocate_prealloc.ksh
index 35eb828d6ba6..4821d1612e3d 100755
--- a/tests/zfs-tests/tests/functional/fallocate/fallocate_prealloc.ksh
+++ b/tests/zfs-tests/tests/functional/fallocate/fallocate_prealloc.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fallocate/fallocate_punch-hole.ksh b/tests/zfs-tests/tests/functional/fallocate/fallocate_punch-hole.ksh
index d01017f9e09f..959db28722b3 100755
--- a/tests/zfs-tests/tests/functional/fallocate/fallocate_punch-hole.ksh
+++ b/tests/zfs-tests/tests/functional/fallocate/fallocate_punch-hole.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fallocate/fallocate_zero-range.ksh b/tests/zfs-tests/tests/functional/fallocate/fallocate_zero-range.ksh
index 47dd06cc0dc3..7847d70efdc7 100755
--- a/tests/zfs-tests/tests/functional/fallocate/fallocate_zero-range.ksh
+++ b/tests/zfs-tests/tests/functional/fallocate/fallocate_zero-range.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fallocate/setup.ksh b/tests/zfs-tests/tests/functional/fallocate/setup.ksh
index 51fa056fd36f..38161c2196ba 100755
--- a/tests/zfs-tests/tests/functional/fallocate/setup.ksh
+++ b/tests/zfs-tests/tests/functional/fallocate/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/auto_offline_001_pos.ksh b/tests/zfs-tests/tests/functional/fault/auto_offline_001_pos.ksh
index c0387e1d3235..43bfe2f5bfb1 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_offline_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_offline_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/auto_online_001_pos.ksh b/tests/zfs-tests/tests/functional/fault/auto_online_001_pos.ksh
index 950e80dfc186..61b0129d3cf5 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_online_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_online_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/auto_online_002_pos.ksh b/tests/zfs-tests/tests/functional/fault/auto_online_002_pos.ksh
index 09285b5108ee..2223cd03f4aa 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_online_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_online_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/auto_replace_001_pos.ksh b/tests/zfs-tests/tests/functional/fault/auto_replace_001_pos.ksh
index ae56ee9919bf..ef49a5d50f6c 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_replace_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_replace_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/auto_replace_002_pos.ksh b/tests/zfs-tests/tests/functional/fault/auto_replace_002_pos.ksh
index 2259e604317b..a77957f32255 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_replace_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_replace_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/auto_spare_001_pos.ksh b/tests/zfs-tests/tests/functional/fault/auto_spare_001_pos.ksh
index a93267185b06..6397e26b5d89 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_spare_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_spare_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/fault/auto_spare_002_pos.ksh b/tests/zfs-tests/tests/functional/fault/auto_spare_002_pos.ksh
index bd32be9a4ff8..1d104fe6c106 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_spare_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_spare_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/fault/auto_spare_ashift.ksh b/tests/zfs-tests/tests/functional/fault/auto_spare_ashift.ksh
index f4fd21d0433d..9fa28ccb6d0d 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_spare_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_spare_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/fault/auto_spare_multiple.ksh b/tests/zfs-tests/tests/functional/fault/auto_spare_multiple.ksh
index 8a9cf6f5324e..023f5b58a6e5 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_spare_multiple.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_spare_multiple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/fault/auto_spare_shared.ksh b/tests/zfs-tests/tests/functional/fault/auto_spare_shared.ksh
index 1cfa84a930bc..c357a92b9c2d 100755
--- a/tests/zfs-tests/tests/functional/fault/auto_spare_shared.ksh
+++ b/tests/zfs-tests/tests/functional/fault/auto_spare_shared.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/cleanup.ksh b/tests/zfs-tests/tests/functional/fault/cleanup.ksh
index 2959236b59a3..8801991263cc 100755
--- a/tests/zfs-tests/tests/functional/fault/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/fault/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/decompress_fault.ksh b/tests/zfs-tests/tests/functional/fault/decompress_fault.ksh
index bcb7d8d1281c..11b4481fd76c 100755
--- a/tests/zfs-tests/tests/functional/fault/decompress_fault.ksh
+++ b/tests/zfs-tests/tests/functional/fault/decompress_fault.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/fault/decrypt_fault.ksh b/tests/zfs-tests/tests/functional/fault/decrypt_fault.ksh
index a4cf06144e58..9133ee00b5d6 100755
--- a/tests/zfs-tests/tests/functional/fault/decrypt_fault.ksh
+++ b/tests/zfs-tests/tests/functional/fault/decrypt_fault.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/fault/fault.cfg b/tests/zfs-tests/tests/functional/fault/fault.cfg
index 0cf2b05cce44..30887f290ed4 100644
--- a/tests/zfs-tests/tests/functional/fault/fault.cfg
+++ b/tests/zfs-tests/tests/functional/fault/fault.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/fault_limits.ksh b/tests/zfs-tests/tests/functional/fault/fault_limits.ksh
index 2f62a15c392b..1b3310edb98b 100755
--- a/tests/zfs-tests/tests/functional/fault/fault_limits.ksh
+++ b/tests/zfs-tests/tests/functional/fault/fault_limits.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/scrub_after_resilver.ksh b/tests/zfs-tests/tests/functional/fault/scrub_after_resilver.ksh
index db4a4ad55ef1..e7fdf38f053d 100755
--- a/tests/zfs-tests/tests/functional/fault/scrub_after_resilver.ksh
+++ b/tests/zfs-tests/tests/functional/fault/scrub_after_resilver.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/fault/setup.ksh b/tests/zfs-tests/tests/functional/fault/setup.ksh
index 61b9206ec1a6..6ca860ed6153 100755
--- a/tests/zfs-tests/tests/functional/fault/setup.ksh
+++ b/tests/zfs-tests/tests/functional/fault/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/suspend_on_probe_errors.ksh b/tests/zfs-tests/tests/functional/fault/suspend_on_probe_errors.ksh
index 3f6edad6da9b..340994bb60c5 100755
--- a/tests/zfs-tests/tests/functional/fault/suspend_on_probe_errors.ksh
+++ b/tests/zfs-tests/tests/functional/fault/suspend_on_probe_errors.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/suspend_resume_single.ksh b/tests/zfs-tests/tests/functional/fault/suspend_resume_single.ksh
index 0dc5584e4fd5..6b9d8211aab9 100755
--- a/tests/zfs-tests/tests/functional/fault/suspend_resume_single.ksh
+++ b/tests/zfs-tests/tests/functional/fault/suspend_resume_single.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/fault/zpool_status_-s.ksh b/tests/zfs-tests/tests/functional/fault/zpool_status_-s.ksh
index 57911aa05ec9..be19495325df 100755
--- a/tests/zfs-tests/tests/functional/fault/zpool_status_-s.ksh
+++ b/tests/zfs-tests/tests/functional/fault/zpool_status_-s.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/async_destroy/async_destroy_001_pos.ksh b/tests/zfs-tests/tests/functional/features/async_destroy/async_destroy_001_pos.ksh
index d5c930ecfbb2..825f3f9378c7 100755
--- a/tests/zfs-tests/tests/functional/features/async_destroy/async_destroy_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/async_destroy/async_destroy_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/async_destroy/cleanup.ksh b/tests/zfs-tests/tests/functional/features/async_destroy/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/features/async_destroy/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/features/async_destroy/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/async_destroy/setup.ksh b/tests/zfs-tests/tests/functional/features/async_destroy/setup.ksh
index 76aa23035dd9..9e1eb26ef761 100755
--- a/tests/zfs-tests/tests/functional/features/async_destroy/setup.ksh
+++ b/tests/zfs-tests/tests/functional/features/async_destroy/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/cleanup.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/cleanup.ksh
index 9fa5ba6e13c4..3f512826ccb3 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_001_pos.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_001_pos.ksh
index e4aea2750669..15ad0e018445 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_002_pos.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_002_pos.ksh
index c0df76624f56..2e2fad595765 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_003_pos.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_003_pos.ksh
index 867382165235..cc0b672cc666 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_004_neg.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_004_neg.ksh
index a77fe10ccf31..e78ee60b1216 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_005_pos.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_005_pos.ksh
index 8910f375b1c5..b5346a9c2f66 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_006_pos.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_006_pos.ksh
index a84e38aee87a..190ade077864 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_007_neg.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_007_neg.ksh
index ac755a338d55..8968dafee54f 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_008_pos.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_008_pos.ksh
index 00a0d5784cdb..507cc016ae7f 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_009_pos.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_009_pos.ksh
index 457c100ed989..a8490c115945 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/large_dnode_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/features/large_dnode/setup.ksh b/tests/zfs-tests/tests/functional/features/large_dnode/setup.ksh
index 02735d765426..843dda367656 100755
--- a/tests/zfs-tests/tests/functional/features/large_dnode/setup.ksh
+++ b/tests/zfs-tests/tests/functional/features/large_dnode/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/grow/grow.cfg b/tests/zfs-tests/tests/functional/grow/grow.cfg
index 0d78416317c0..895fa84804de 100644
--- a/tests/zfs-tests/tests/functional/grow/grow.cfg
+++ b/tests/zfs-tests/tests/functional/grow/grow.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/grow/grow_pool_001_pos.ksh b/tests/zfs-tests/tests/functional/grow/grow_pool_001_pos.ksh
index ae2b261f4efa..5f7ee6d29584 100755
--- a/tests/zfs-tests/tests/functional/grow/grow_pool_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/grow/grow_pool_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/grow/grow_replicas_001_pos.ksh b/tests/zfs-tests/tests/functional/grow/grow_replicas_001_pos.ksh
index 1d0215550145..840529313dde 100755
--- a/tests/zfs-tests/tests/functional/grow/grow_replicas_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/grow/grow_replicas_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/cleanup.ksh b/tests/zfs-tests/tests/functional/history/cleanup.ksh
index 36e0311a34cb..6be359507aa8 100755
--- a/tests/zfs-tests/tests/functional/history/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/history/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history.cfg b/tests/zfs-tests/tests/functional/history/history.cfg
index 6020443bcdb0..e859cc06cd2f 100644
--- a/tests/zfs-tests/tests/functional/history/history.cfg
+++ b/tests/zfs-tests/tests/functional/history/history.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_001_pos.ksh b/tests/zfs-tests/tests/functional/history/history_001_pos.ksh
index 7180e9af767d..74577f971054 100755
--- a/tests/zfs-tests/tests/functional/history/history_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_002_pos.ksh b/tests/zfs-tests/tests/functional/history/history_002_pos.ksh
index 81f2ffb21731..cb0603ea185a 100755
--- a/tests/zfs-tests/tests/functional/history/history_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_003_pos.ksh b/tests/zfs-tests/tests/functional/history/history_003_pos.ksh
index efaf022153a8..7a149710eb66 100755
--- a/tests/zfs-tests/tests/functional/history/history_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_004_pos.ksh b/tests/zfs-tests/tests/functional/history/history_004_pos.ksh
index f7ec5df6fd31..23ecdec54c6b 100755
--- a/tests/zfs-tests/tests/functional/history/history_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_005_neg.ksh b/tests/zfs-tests/tests/functional/history/history_005_neg.ksh
index c4d699f39d6c..17ad12c28c62 100755
--- a/tests/zfs-tests/tests/functional/history/history_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_006_neg.ksh b/tests/zfs-tests/tests/functional/history/history_006_neg.ksh
index c8b6404b8c35..32a61c9383ba 100755
--- a/tests/zfs-tests/tests/functional/history/history_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_007_pos.ksh b/tests/zfs-tests/tests/functional/history/history_007_pos.ksh
index 714db4772aa3..a22c205ec311 100755
--- a/tests/zfs-tests/tests/functional/history/history_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_008_pos.ksh b/tests/zfs-tests/tests/functional/history/history_008_pos.ksh
index eff313a31aef..93a4cbeb7851 100755
--- a/tests/zfs-tests/tests/functional/history/history_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_009_pos.ksh b/tests/zfs-tests/tests/functional/history/history_009_pos.ksh
index be43193dc426..8fe607432459 100755
--- a/tests/zfs-tests/tests/functional/history/history_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_010_pos.ksh b/tests/zfs-tests/tests/functional/history/history_010_pos.ksh
index d972ba66d17b..67c785c53b76 100755
--- a/tests/zfs-tests/tests/functional/history/history_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/history/history_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/history_common.kshlib b/tests/zfs-tests/tests/functional/history/history_common.kshlib
index 2ee761cea93a..dc53fef18e12 100644
--- a/tests/zfs-tests/tests/functional/history/history_common.kshlib
+++ b/tests/zfs-tests/tests/functional/history/history_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/history/setup.ksh b/tests/zfs-tests/tests/functional/history/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/history/setup.ksh
+++ b/tests/zfs-tests/tests/functional/history/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/hkdf/hkdf_test.c b/tests/zfs-tests/tests/functional/hkdf/hkdf_test.c
index 24aeb0b224a7..c7194c5e95a0 100644
--- a/tests/zfs-tests/tests/functional/hkdf/hkdf_test.c
+++ b/tests/zfs-tests/tests/functional/hkdf/hkdf_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/cleanup.ksh b/tests/zfs-tests/tests/functional/idmap_mount/cleanup.ksh
index 4895aa23ee4a..5e73dd34936e 100755
--- a/tests/zfs-tests/tests/functional/idmap_mount/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/idmap_mount/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount.cfg b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount.cfg
index 51998945d0d1..ca0a351cf576 100644
--- a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount.cfg
+++ b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_001.ksh b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_001.ksh
index e7187935e532..0d8ce45feaef 100755
--- a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_001.ksh
+++ b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_002.ksh b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_002.ksh
index 8cba90ea58b7..3dbb7feae119 100755
--- a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_002.ksh
+++ b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_002.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_003.ksh b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_003.ksh
index 1f1a2aec655e..5ca505677603 100755
--- a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_003.ksh
+++ b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_003.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_004.ksh b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_004.ksh
index 89f2f750d23c..cdc5977b9010 100755
--- a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_004.ksh
+++ b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_004.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_005.ksh b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_005.ksh
index a4ecea92c127..6cbf82f6b44c 100755
--- a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_005.ksh
+++ b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_005.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_common.kshlib b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_common.kshlib
index 980845ca209c..c93ef91669e1 100644
--- a/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_common.kshlib
+++ b/tests/zfs-tests/tests/functional/idmap_mount/idmap_mount_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/idmap_mount/setup.ksh b/tests/zfs-tests/tests/functional/idmap_mount/setup.ksh
index 90a14f12058f..53ee0eac27cd 100755
--- a/tests/zfs-tests/tests/functional/idmap_mount/setup.ksh
+++ b/tests/zfs-tests/tests/functional/idmap_mount/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/README.config b/tests/zfs-tests/tests/functional/inheritance/README.config
index 95fd363bac4f..d64b0feb2036 100644
--- a/tests/zfs-tests/tests/functional/inheritance/README.config
+++ b/tests/zfs-tests/tests/functional/inheritance/README.config
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/README.state b/tests/zfs-tests/tests/functional/inheritance/README.state
index 2fbd103f178e..b20b19ed7555 100644
--- a/tests/zfs-tests/tests/functional/inheritance/README.state
+++ b/tests/zfs-tests/tests/functional/inheritance/README.state
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/cleanup.ksh b/tests/zfs-tests/tests/functional/inheritance/cleanup.ksh
index 7fa851fc0ef6..15e256f92479 100755
--- a/tests/zfs-tests/tests/functional/inheritance/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/inheritance/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config001.cfg b/tests/zfs-tests/tests/functional/inheritance/config001.cfg
index 23819eb7ff8b..29102243733d 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config001.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config001.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config002.cfg b/tests/zfs-tests/tests/functional/inheritance/config002.cfg
index 09f6bb3535cb..20ffa4f0fa94 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config002.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config002.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config003.cfg b/tests/zfs-tests/tests/functional/inheritance/config003.cfg
index 99c5f9f3e0d4..7368e86d9bb4 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config003.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config003.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config004.cfg b/tests/zfs-tests/tests/functional/inheritance/config004.cfg
index 196683d53d53..2d5dd98655f9 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config004.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config004.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config005.cfg b/tests/zfs-tests/tests/functional/inheritance/config005.cfg
index 27f49c54e77f..fd5af3f14750 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config005.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config005.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config006.cfg b/tests/zfs-tests/tests/functional/inheritance/config006.cfg
index 3cb630b931bb..a251d5fdc0b7 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config006.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config006.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config007.cfg b/tests/zfs-tests/tests/functional/inheritance/config007.cfg
index 8a7b47c1a93a..9766c6abd493 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config007.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config007.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config008.cfg b/tests/zfs-tests/tests/functional/inheritance/config008.cfg
index c8105f9e47a6..c831994faa6c 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config008.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config008.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config009.cfg b/tests/zfs-tests/tests/functional/inheritance/config009.cfg
index c8105f9e47a6..c831994faa6c 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config009.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config009.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config010.cfg b/tests/zfs-tests/tests/functional/inheritance/config010.cfg
index c8105f9e47a6..c831994faa6c 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config010.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config010.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config011.cfg b/tests/zfs-tests/tests/functional/inheritance/config011.cfg
index 99c5f9f3e0d4..7368e86d9bb4 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config011.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config011.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config012.cfg b/tests/zfs-tests/tests/functional/inheritance/config012.cfg
index 99c5f9f3e0d4..7368e86d9bb4 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config012.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config012.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config013.cfg b/tests/zfs-tests/tests/functional/inheritance/config013.cfg
index 196683d53d53..2d5dd98655f9 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config013.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config013.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config014.cfg b/tests/zfs-tests/tests/functional/inheritance/config014.cfg
index 196683d53d53..2d5dd98655f9 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config014.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config014.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config015.cfg b/tests/zfs-tests/tests/functional/inheritance/config015.cfg
index 09f6bb3535cb..20ffa4f0fa94 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config015.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config015.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config016.cfg b/tests/zfs-tests/tests/functional/inheritance/config016.cfg
index 09f6bb3535cb..20ffa4f0fa94 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config016.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config016.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config017.cfg b/tests/zfs-tests/tests/functional/inheritance/config017.cfg
index 27f49c54e77f..fd5af3f14750 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config017.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config017.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config018.cfg b/tests/zfs-tests/tests/functional/inheritance/config018.cfg
index 27f49c54e77f..fd5af3f14750 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config018.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config018.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config019.cfg b/tests/zfs-tests/tests/functional/inheritance/config019.cfg
index 23819eb7ff8b..29102243733d 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config019.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config019.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config020.cfg b/tests/zfs-tests/tests/functional/inheritance/config020.cfg
index 23819eb7ff8b..29102243733d 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config020.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config020.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config021.cfg b/tests/zfs-tests/tests/functional/inheritance/config021.cfg
index 3cb630b931bb..a251d5fdc0b7 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config021.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config021.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config022.cfg b/tests/zfs-tests/tests/functional/inheritance/config022.cfg
index 3cb630b931bb..a251d5fdc0b7 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config022.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config022.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config023.cfg b/tests/zfs-tests/tests/functional/inheritance/config023.cfg
index 8a7b47c1a93a..9766c6abd493 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config023.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config023.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/config024.cfg b/tests/zfs-tests/tests/functional/inheritance/config024.cfg
index 8a7b47c1a93a..9766c6abd493 100644
--- a/tests/zfs-tests/tests/functional/inheritance/config024.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/config024.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/inherit.kshlib b/tests/zfs-tests/tests/functional/inheritance/inherit.kshlib
index 8967a0fbc128..5a558d0e0293 100644
--- a/tests/zfs-tests/tests/functional/inheritance/inherit.kshlib
+++ b/tests/zfs-tests/tests/functional/inheritance/inherit.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/inherit_001_pos.ksh b/tests/zfs-tests/tests/functional/inheritance/inherit_001_pos.ksh
index 1f203e1dc551..d8a6541d1b42 100755
--- a/tests/zfs-tests/tests/functional/inheritance/inherit_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inheritance/inherit_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state001.cfg b/tests/zfs-tests/tests/functional/inheritance/state001.cfg
index 4fbdcd6e212b..d19362a83b70 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state001.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state001.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state002.cfg b/tests/zfs-tests/tests/functional/inheritance/state002.cfg
index f368be370c24..d5fb1a90f51f 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state002.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state002.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state003.cfg b/tests/zfs-tests/tests/functional/inheritance/state003.cfg
index 06b092dd3800..1bba1e26d3d6 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state003.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state003.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state004.cfg b/tests/zfs-tests/tests/functional/inheritance/state004.cfg
index e679e449d850..4614e806da0d 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state004.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state004.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state005.cfg b/tests/zfs-tests/tests/functional/inheritance/state005.cfg
index da7a4f9d4e86..94581d77edff 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state005.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state005.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state006.cfg b/tests/zfs-tests/tests/functional/inheritance/state006.cfg
index 93d90c86cbbb..7b0b023817a8 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state006.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state006.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state007.cfg b/tests/zfs-tests/tests/functional/inheritance/state007.cfg
index 871287b15878..2906a55dc535 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state007.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state007.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state008.cfg b/tests/zfs-tests/tests/functional/inheritance/state008.cfg
index 4b1cfbd09cbb..b4e71f3884f3 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state008.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state008.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state009.cfg b/tests/zfs-tests/tests/functional/inheritance/state009.cfg
index 19ee507ef80b..493bb57678e9 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state009.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state009.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state010.cfg b/tests/zfs-tests/tests/functional/inheritance/state010.cfg
index 57c29d6e3e04..4ff716347f4d 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state010.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state010.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state011.cfg b/tests/zfs-tests/tests/functional/inheritance/state011.cfg
index 5eb33af00b31..d6feb031632d 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state011.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state011.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state012.cfg b/tests/zfs-tests/tests/functional/inheritance/state012.cfg
index afe1d0d947fe..35ad5e4514b3 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state012.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state012.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state013.cfg b/tests/zfs-tests/tests/functional/inheritance/state013.cfg
index 49f2c242cb76..0225bf1339ce 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state013.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state013.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state014.cfg b/tests/zfs-tests/tests/functional/inheritance/state014.cfg
index e6418e3e5a80..e634f2c05be4 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state014.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state014.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state015.cfg b/tests/zfs-tests/tests/functional/inheritance/state015.cfg
index c8228f080925..e7bb6031cc79 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state015.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state015.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state016.cfg b/tests/zfs-tests/tests/functional/inheritance/state016.cfg
index c830287d2a76..9e520f396098 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state016.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state016.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state017.cfg b/tests/zfs-tests/tests/functional/inheritance/state017.cfg
index 09d061340af3..4387b3f06d54 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state017.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state017.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state018.cfg b/tests/zfs-tests/tests/functional/inheritance/state018.cfg
index f718c83395d6..0866240a4add 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state018.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state018.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state019.cfg b/tests/zfs-tests/tests/functional/inheritance/state019.cfg
index 484e9e02c680..2a63cf9ed774 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state019.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state019.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state020.cfg b/tests/zfs-tests/tests/functional/inheritance/state020.cfg
index 5a4ec6a6f7e6..20a4359d061e 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state020.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state020.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state021.cfg b/tests/zfs-tests/tests/functional/inheritance/state021.cfg
index 231530a14776..be03a38b9e4b 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state021.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state021.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state022.cfg b/tests/zfs-tests/tests/functional/inheritance/state022.cfg
index 990215766aad..905863ee84eb 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state022.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state022.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state023.cfg b/tests/zfs-tests/tests/functional/inheritance/state023.cfg
index 4f9091c67908..7490ce4ca4e0 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state023.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state023.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inheritance/state024.cfg b/tests/zfs-tests/tests/functional/inheritance/state024.cfg
index cd67aaf6728f..a41571a9f13d 100644
--- a/tests/zfs-tests/tests/functional/inheritance/state024.cfg
+++ b/tests/zfs-tests/tests/functional/inheritance/state024.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse.cfg b/tests/zfs-tests/tests/functional/inuse/inuse.cfg
index 2514f89e78e5..32fcdf40b069 100644
--- a/tests/zfs-tests/tests/functional/inuse/inuse.cfg
+++ b/tests/zfs-tests/tests/functional/inuse/inuse.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_001_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_001_pos.ksh
index 17e1169175e7..e5098840e0e4 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_003_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_003_pos.ksh
index 385b88bdc6b6..9fde9ed648de 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_004_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_004_pos.ksh
index 054c6e5ac8bd..db3dfec42a47 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_005_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_005_pos.ksh
index f50fd2ff91de..d9b2ec3b8176 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_006_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_006_pos.ksh
index 0d2c2ded0260..e1234119bfe1 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_007_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_007_pos.ksh
index d3e580a6f533..2ef100f7a88e 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_008_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_008_pos.ksh
index 68bf19f0abce..520fbdeea14b 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/inuse_009_pos.ksh b/tests/zfs-tests/tests/functional/inuse/inuse_009_pos.ksh
index 64fe05b422dd..8857fc76c080 100755
--- a/tests/zfs-tests/tests/functional/inuse/inuse_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/inuse_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/inuse/setup.ksh b/tests/zfs-tests/tests/functional/inuse/setup.ksh
index 14cdb6798a9f..94c7090e2a26 100755
--- a/tests/zfs-tests/tests/functional/inuse/setup.ksh
+++ b/tests/zfs-tests/tests/functional/inuse/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/cleanup.ksh b/tests/zfs-tests/tests/functional/io/cleanup.ksh
index 5bd79c0070fa..dbb671c41732 100755
--- a/tests/zfs-tests/tests/functional/io/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/io/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/io.cfg b/tests/zfs-tests/tests/functional/io/io.cfg
index 9312ad1e1430..e51b4c0abc11 100644
--- a/tests/zfs-tests/tests/functional/io/io.cfg
+++ b/tests/zfs-tests/tests/functional/io/io.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/io_uring.ksh b/tests/zfs-tests/tests/functional/io/io_uring.ksh
index f14b9f450826..0b55eda01d90 100755
--- a/tests/zfs-tests/tests/functional/io/io_uring.ksh
+++ b/tests/zfs-tests/tests/functional/io/io_uring.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/libaio.ksh b/tests/zfs-tests/tests/functional/io/libaio.ksh
index 242b2ca8de30..a6fef30bc91a 100755
--- a/tests/zfs-tests/tests/functional/io/libaio.ksh
+++ b/tests/zfs-tests/tests/functional/io/libaio.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/mmap.ksh b/tests/zfs-tests/tests/functional/io/mmap.ksh
index 112267ee20d8..89d22ba1c0ff 100755
--- a/tests/zfs-tests/tests/functional/io/mmap.ksh
+++ b/tests/zfs-tests/tests/functional/io/mmap.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/posixaio.ksh b/tests/zfs-tests/tests/functional/io/posixaio.ksh
index 52331027cdd2..371c482165a4 100755
--- a/tests/zfs-tests/tests/functional/io/posixaio.ksh
+++ b/tests/zfs-tests/tests/functional/io/posixaio.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/psync.ksh b/tests/zfs-tests/tests/functional/io/psync.ksh
index 5227fcbdd449..19c8ea41e741 100755
--- a/tests/zfs-tests/tests/functional/io/psync.ksh
+++ b/tests/zfs-tests/tests/functional/io/psync.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/setup.ksh b/tests/zfs-tests/tests/functional/io/setup.ksh
index 29d267115891..82397150a228 100755
--- a/tests/zfs-tests/tests/functional/io/setup.ksh
+++ b/tests/zfs-tests/tests/functional/io/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/io/sync.ksh b/tests/zfs-tests/tests/functional/io/sync.ksh
index 76248a38a519..76b67fca8ba4 100755
--- a/tests/zfs-tests/tests/functional/io/sync.ksh
+++ b/tests/zfs-tests/tests/functional/io/sync.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/cleanup.ksh b/tests/zfs-tests/tests/functional/l2arc/cleanup.ksh
index c3d88e3ffc71..cbb71237ecde 100755
--- a/tests/zfs-tests/tests/functional/l2arc/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/l2arc.cfg b/tests/zfs-tests/tests/functional/l2arc/l2arc.cfg
index f79123e5b2e1..ca61bdf2aa15 100644
--- a/tests/zfs-tests/tests/functional/l2arc/l2arc.cfg
+++ b/tests/zfs-tests/tests/functional/l2arc/l2arc.cfg
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/l2arc_arcstats_pos.ksh b/tests/zfs-tests/tests/functional/l2arc/l2arc_arcstats_pos.ksh
index dc6bb9f9a163..6d878fe6c371 100755
--- a/tests/zfs-tests/tests/functional/l2arc/l2arc_arcstats_pos.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/l2arc_arcstats_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/l2arc_l2miss_pos.ksh b/tests/zfs-tests/tests/functional/l2arc/l2arc_l2miss_pos.ksh
index 8a9e4fa41b7c..fe7f98b2410c 100755
--- a/tests/zfs-tests/tests/functional/l2arc/l2arc_l2miss_pos.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/l2arc_l2miss_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/l2arc_mfuonly_pos.ksh b/tests/zfs-tests/tests/functional/l2arc/l2arc_mfuonly_pos.ksh
index 2c5fc6753152..9429b0db6421 100755
--- a/tests/zfs-tests/tests/functional/l2arc/l2arc_mfuonly_pos.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/l2arc_mfuonly_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_001_pos.ksh b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_001_pos.ksh
index a999f96971fd..3a56413265d1 100755
--- a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_002_pos.ksh b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_002_pos.ksh
index 4c6bc2e2e720..4412b1f172e3 100755
--- a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_003_neg.ksh b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_003_neg.ksh
index 104d1d484ff2..8a783d940375 100755
--- a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_004_pos.ksh b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_004_pos.ksh
index 6460b9a0e7a1..fd9169782799 100755
--- a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_005_pos.ksh b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_005_pos.ksh
index ce379a566f18..cd929388ab6b 100755
--- a/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/persist_l2arc_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/l2arc/setup.ksh b/tests/zfs-tests/tests/functional/l2arc/setup.ksh
index 0df61a9d2761..e9899b8b076c 100755
--- a/tests/zfs-tests/tests/functional/l2arc/setup.ksh
+++ b/tests/zfs-tests/tests/functional/l2arc/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/large_files/cleanup.ksh b/tests/zfs-tests/tests/functional/large_files/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/large_files/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/large_files/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/large_files/large_files_001_pos.ksh b/tests/zfs-tests/tests/functional/large_files/large_files_001_pos.ksh
index aebc8b2647d5..7de64ac677da 100755
--- a/tests/zfs-tests/tests/functional/large_files/large_files_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/large_files/large_files_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/large_files/large_files_002_pos.ksh b/tests/zfs-tests/tests/functional/large_files/large_files_002_pos.ksh
index e0014d64350c..f6363439f7f0 100755
--- a/tests/zfs-tests/tests/functional/large_files/large_files_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/large_files/large_files_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/large_files/setup.ksh b/tests/zfs-tests/tests/functional/large_files/setup.ksh
index d617f361b24d..a40bc37b0c1d 100755
--- a/tests/zfs-tests/tests/functional/large_files/setup.ksh
+++ b/tests/zfs-tests/tests/functional/large_files/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/largest_pool/largest_pool.cfg b/tests/zfs-tests/tests/functional/largest_pool/largest_pool.cfg
index 9306c799ec54..0a4a2b577449 100644
--- a/tests/zfs-tests/tests/functional/largest_pool/largest_pool.cfg
+++ b/tests/zfs-tests/tests/functional/largest_pool/largest_pool.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/largest_pool/largest_pool_001_pos.ksh b/tests/zfs-tests/tests/functional/largest_pool/largest_pool_001_pos.ksh
index 85f25c7618c6..c4fdef55c7ee 100755
--- a/tests/zfs-tests/tests/functional/largest_pool/largest_pool_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/largest_pool/largest_pool_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/libzfs/cleanup.ksh b/tests/zfs-tests/tests/functional/libzfs/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/libzfs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/libzfs/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/libzfs/libzfs_input.ksh b/tests/zfs-tests/tests/functional/libzfs/libzfs_input.ksh
index bc39c0367bed..20f5b091b038 100755
--- a/tests/zfs-tests/tests/functional/libzfs/libzfs_input.ksh
+++ b/tests/zfs-tests/tests/functional/libzfs/libzfs_input.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/libzfs/many_fds.c b/tests/zfs-tests/tests/functional/libzfs/many_fds.c
index 6e0b1fd4b4aa..fceb5a7892cf 100644
--- a/tests/zfs-tests/tests/functional/libzfs/many_fds.c
+++ b/tests/zfs-tests/tests/functional/libzfs/many_fds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/tests/functional/libzfs/setup.ksh b/tests/zfs-tests/tests/functional/libzfs/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/libzfs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/libzfs/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/limits/cleanup.ksh b/tests/zfs-tests/tests/functional/limits/cleanup.ksh
index 2a84ab4438b6..293f9fc5f84d 100755
--- a/tests/zfs-tests/tests/functional/limits/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/limits/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/limits/filesystem_count.ksh b/tests/zfs-tests/tests/functional/limits/filesystem_count.ksh
index e9f839ca8ad4..7e0e5dd2ccdf 100755
--- a/tests/zfs-tests/tests/functional/limits/filesystem_count.ksh
+++ b/tests/zfs-tests/tests/functional/limits/filesystem_count.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/limits/filesystem_limit.ksh b/tests/zfs-tests/tests/functional/limits/filesystem_limit.ksh
index fbfc141be3e3..d1ef39030ced 100755
--- a/tests/zfs-tests/tests/functional/limits/filesystem_limit.ksh
+++ b/tests/zfs-tests/tests/functional/limits/filesystem_limit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/limits/setup.ksh b/tests/zfs-tests/tests/functional/limits/setup.ksh
index 94f3e7b4d47f..5c628360d8d8 100755
--- a/tests/zfs-tests/tests/functional/limits/setup.ksh
+++ b/tests/zfs-tests/tests/functional/limits/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/limits/snapshot_count.ksh b/tests/zfs-tests/tests/functional/limits/snapshot_count.ksh
index ac4a47ddc74d..7abe15f4a12d 100755
--- a/tests/zfs-tests/tests/functional/limits/snapshot_count.ksh
+++ b/tests/zfs-tests/tests/functional/limits/snapshot_count.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/limits/snapshot_limit.ksh b/tests/zfs-tests/tests/functional/limits/snapshot_limit.ksh
index 62f14466e693..8bfc729c5f9f 100755
--- a/tests/zfs-tests/tests/functional/limits/snapshot_limit.ksh
+++ b/tests/zfs-tests/tests/functional/limits/snapshot_limit.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/link_count/cleanup.ksh b/tests/zfs-tests/tests/functional/link_count/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/link_count/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/link_count/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/link_count/link_count_001.ksh b/tests/zfs-tests/tests/functional/link_count/link_count_001.ksh
index d3020c99c95c..8b92eb47961d 100755
--- a/tests/zfs-tests/tests/functional/link_count/link_count_001.ksh
+++ b/tests/zfs-tests/tests/functional/link_count/link_count_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/link_count/link_count_root_inode.ksh b/tests/zfs-tests/tests/functional/link_count/link_count_root_inode.ksh
index d2bf30ac37c2..435300aa0363 100755
--- a/tests/zfs-tests/tests/functional/link_count/link_count_root_inode.ksh
+++ b/tests/zfs-tests/tests/functional/link_count/link_count_root_inode.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/link_count/setup.ksh b/tests/zfs-tests/tests/functional/link_count/setup.ksh
index 76aa23035dd9..9e1eb26ef761 100755
--- a/tests/zfs-tests/tests/functional/link_count/setup.ksh
+++ b/tests/zfs-tests/tests/functional/link_count/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/log_spacemap/log_spacemap_import_logs.ksh b/tests/zfs-tests/tests/functional/log_spacemap/log_spacemap_import_logs.ksh
index d16574d3a8f7..c0e51b3f2352 100755
--- a/tests/zfs-tests/tests/functional/log_spacemap/log_spacemap_import_logs.ksh
+++ b/tests/zfs-tests/tests/functional/log_spacemap/log_spacemap_import_logs.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/longname/cleanup.ksh b/tests/zfs-tests/tests/functional/longname/cleanup.ksh
index aac8062ec408..1e9eb87fa948 100755
--- a/tests/zfs-tests/tests/functional/longname/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/longname/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/longname/longname_001_pos.ksh b/tests/zfs-tests/tests/functional/longname/longname_001_pos.ksh
index b7010fe0fc81..d201ee746d91 100755
--- a/tests/zfs-tests/tests/functional/longname/longname_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/longname/longname_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/longname/longname_002_pos.ksh b/tests/zfs-tests/tests/functional/longname/longname_002_pos.ksh
index dd2acabb3e02..aa55ef7d5c0d 100755
--- a/tests/zfs-tests/tests/functional/longname/longname_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/longname/longname_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/longname/longname_003_pos.ksh b/tests/zfs-tests/tests/functional/longname/longname_003_pos.ksh
index f684b514399d..5d3081884f86 100755
--- a/tests/zfs-tests/tests/functional/longname/longname_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/longname/longname_003_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/longname/setup.ksh b/tests/zfs-tests/tests/functional/longname/setup.ksh
index 3f6759469b7b..63650f58188e 100755
--- a/tests/zfs-tests/tests/functional/longname/setup.ksh
+++ b/tests/zfs-tests/tests/functional/longname/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/luks/luks_sanity.ksh b/tests/zfs-tests/tests/functional/luks/luks_sanity.ksh
index 9cee26503de7..39a3fde35e72 100755
--- a/tests/zfs-tests/tests/functional/luks/luks_sanity.ksh
+++ b/tests/zfs-tests/tests/functional/luks/luks_sanity.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/cleanup.ksh b/tests/zfs-tests/tests/functional/migration/cleanup.ksh
index c9f1833be10c..a0ad59b7c72c 100755
--- a/tests/zfs-tests/tests/functional/migration/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/migration/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration.cfg b/tests/zfs-tests/tests/functional/migration/migration.cfg
index 7d606f6d9a12..81810c872623 100644
--- a/tests/zfs-tests/tests/functional/migration/migration.cfg
+++ b/tests/zfs-tests/tests/functional/migration/migration.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration.kshlib b/tests/zfs-tests/tests/functional/migration/migration.kshlib
index 7078f93a559b..bffbb5150f7a 100644
--- a/tests/zfs-tests/tests/functional/migration/migration.kshlib
+++ b/tests/zfs-tests/tests/functional/migration/migration.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_001_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_001_pos.ksh
index 8e0cdf8034d9..b43b137b1243 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_002_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_002_pos.ksh
index fe8aee004b93..227e25f19de9 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_003_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_003_pos.ksh
index 3d9ba5691d59..2dcee9e982ff 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_004_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_004_pos.ksh
index c3b7b73b7e50..4d5de0169cd1 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_005_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_005_pos.ksh
index c48c8d6bc57f..c1cb721a04e3 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_006_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_006_pos.ksh
index 893a9bc50fc5..eade22483c70 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_007_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_007_pos.ksh
index 80b7749d6805..5493fb41fdc3 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_008_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_008_pos.ksh
index 5fdcc5f90c55..1464e5b61b03 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_009_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_009_pos.ksh
index c91946067ef2..5e9f07c7e79b 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_010_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_010_pos.ksh
index 62ccccb1613c..7449df958328 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_011_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_011_pos.ksh
index 9718fefb406d..a00603f806ff 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/migration_012_pos.ksh b/tests/zfs-tests/tests/functional/migration/migration_012_pos.ksh
index 243136e768bd..dd9e6aba51eb 100755
--- a/tests/zfs-tests/tests/functional/migration/migration_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/migration/migration_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/migration/setup.ksh b/tests/zfs-tests/tests/functional/migration/setup.ksh
index 5aa4d058ce5d..0d0c080c1524 100755
--- a/tests/zfs-tests/tests/functional/migration/setup.ksh
+++ b/tests/zfs-tests/tests/functional/migration/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/cleanup.ksh b/tests/zfs-tests/tests/functional/mmap/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/mmap/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/mmap.cfg b/tests/zfs-tests/tests/functional/mmap/mmap.cfg
index a331c5b2aa4f..83ab007efec6 100644
--- a/tests/zfs-tests/tests/functional/mmap/mmap.cfg
+++ b/tests/zfs-tests/tests/functional/mmap/mmap.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/mmap_libaio_001_pos.ksh b/tests/zfs-tests/tests/functional/mmap/mmap_libaio_001_pos.ksh
index b9e9a8a3c138..ac941b3e652b 100755
--- a/tests/zfs-tests/tests/functional/mmap/mmap_libaio_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/mmap_libaio_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/mmap_mixed.ksh b/tests/zfs-tests/tests/functional/mmap/mmap_mixed.ksh
index 6c8246d48acf..d0a8e7e6725d 100755
--- a/tests/zfs-tests/tests/functional/mmap/mmap_mixed.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/mmap_mixed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/mmap_read_001_pos.ksh b/tests/zfs-tests/tests/functional/mmap/mmap_read_001_pos.ksh
index acef0676f5cb..0287f84774b1 100755
--- a/tests/zfs-tests/tests/functional/mmap/mmap_read_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/mmap_read_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/mmap_seek_001_pos.ksh b/tests/zfs-tests/tests/functional/mmap/mmap_seek_001_pos.ksh
index c09746b4b66a..367a5c69358b 100755
--- a/tests/zfs-tests/tests/functional/mmap/mmap_seek_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/mmap_seek_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/mmap_sync_001_pos.ksh b/tests/zfs-tests/tests/functional/mmap/mmap_sync_001_pos.ksh
index b764d6607ba6..a8918ed6a937 100755
--- a/tests/zfs-tests/tests/functional/mmap/mmap_sync_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/mmap_sync_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/mmap/mmap_write_001_pos.ksh b/tests/zfs-tests/tests/functional/mmap/mmap_write_001_pos.ksh
index 9de0471a9b69..167ed0f54cd0 100755
--- a/tests/zfs-tests/tests/functional/mmap/mmap_write_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/mmap_write_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmap/setup.ksh b/tests/zfs-tests/tests/functional/mmap/setup.ksh
index 76aa23035dd9..9e1eb26ef761 100755
--- a/tests/zfs-tests/tests/functional/mmap/setup.ksh
+++ b/tests/zfs-tests/tests/functional/mmap/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/cleanup.ksh b/tests/zfs-tests/tests/functional/mmp/cleanup.ksh
index b41d6ccbeb7c..d16cb24df404 100755
--- a/tests/zfs-tests/tests/functional/mmp/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp.cfg b/tests/zfs-tests/tests/functional/mmp/mmp.cfg
index 9f7e76e27018..18c43424eb3e 100644
--- a/tests/zfs-tests/tests/functional/mmp/mmp.cfg
+++ b/tests/zfs-tests/tests/functional/mmp/mmp.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp.kshlib b/tests/zfs-tests/tests/functional/mmp/mmp.kshlib
index 01e4f2b735fa..bd29c5080210 100644
--- a/tests/zfs-tests/tests/functional/mmp/mmp.kshlib
+++ b/tests/zfs-tests/tests/functional/mmp/mmp.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_active_import.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_active_import.ksh
index c4ed894826ad..62a5262a62c1 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_active_import.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_active_import.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_exported_import.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_exported_import.ksh
index 3d67deb02c5f..1cc55213f5de 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_exported_import.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_exported_import.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_hostid.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_hostid.ksh
index e3c6e34f4bc0..6144db85cfba 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_hostid.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_hostid.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_inactive_import.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_inactive_import.ksh
index 6e7bb637548d..7aeb0c6f4d25 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_inactive_import.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_inactive_import.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_interval.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_interval.ksh
index 0c080ab5d313..d36b65555c4b 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_interval.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_interval.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_on_off.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_on_off.ksh
index 513b7d31f9cd..2dcebd432504 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_on_off.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_on_off.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_on_thread.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_on_thread.ksh
index cd82fa47e23f..8b8d6dc44619 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_on_thread.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_on_thread.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_on_uberblocks.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_on_uberblocks.ksh
index 007288a78f4b..284ca92839a5 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_on_uberblocks.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_on_uberblocks.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_on_zdb.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_on_zdb.ksh
index 131fd21e8817..10e65c79fd4e 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_on_zdb.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_on_zdb.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_reset_interval.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_reset_interval.ksh
index 6063c6a3796b..e5273aa91ef3 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_reset_interval.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_reset_interval.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_write_distribution.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_write_distribution.ksh
index 6f34974770d1..f7e5ceb927f0 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_write_distribution.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_write_distribution.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_write_slow_disk.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_write_slow_disk.ksh
index e45aedd450d2..dcb4b5d3d578 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_write_slow_disk.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_write_slow_disk.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/mmp_write_uberblocks.ksh b/tests/zfs-tests/tests/functional/mmp/mmp_write_uberblocks.ksh
index e287f41983d7..51839b4238b9 100755
--- a/tests/zfs-tests/tests/functional/mmp/mmp_write_uberblocks.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/mmp_write_uberblocks.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/multihost_history.ksh b/tests/zfs-tests/tests/functional/mmp/multihost_history.ksh
index e831475dbcb2..cbffd28f6609 100755
--- a/tests/zfs-tests/tests/functional/mmp/multihost_history.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/multihost_history.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mmp/setup.ksh b/tests/zfs-tests/tests/functional/mmp/setup.ksh
index b1e5431c8427..94a19b042aee 100755
--- a/tests/zfs-tests/tests/functional/mmp/setup.ksh
+++ b/tests/zfs-tests/tests/functional/mmp/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mount/cleanup.ksh b/tests/zfs-tests/tests/functional/mount/cleanup.ksh
index 0e88e2a1fc79..234798bfc796 100755
--- a/tests/zfs-tests/tests/functional/mount/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/mount/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mount/setup.ksh b/tests/zfs-tests/tests/functional/mount/setup.ksh
index 9b3bc37ce6ae..f09a78ba5d71 100755
--- a/tests/zfs-tests/tests/functional/mount/setup.ksh
+++ b/tests/zfs-tests/tests/functional/mount/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mount/umount_001.ksh b/tests/zfs-tests/tests/functional/mount/umount_001.ksh
index 9e350de66fa3..4f93bb7ffc60 100755
--- a/tests/zfs-tests/tests/functional/mount/umount_001.ksh
+++ b/tests/zfs-tests/tests/functional/mount/umount_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mount/umount_unlinked_drain.ksh b/tests/zfs-tests/tests/functional/mount/umount_unlinked_drain.ksh
index 9e93c1784dbf..c088793af1f0 100755
--- a/tests/zfs-tests/tests/functional/mount/umount_unlinked_drain.ksh
+++ b/tests/zfs-tests/tests/functional/mount/umount_unlinked_drain.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/mount/umountall_001.ksh b/tests/zfs-tests/tests/functional/mount/umountall_001.ksh
index 40c94593ba2d..46f522adaff7 100755
--- a/tests/zfs-tests/tests/functional/mount/umountall_001.ksh
+++ b/tests/zfs-tests/tests/functional/mount/umountall_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/mv_files/cleanup.ksh b/tests/zfs-tests/tests/functional/mv_files/cleanup.ksh
index 882f9955a4c2..c8f39748f2c3 100755
--- a/tests/zfs-tests/tests/functional/mv_files/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/mv_files/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mv_files/mv_files.cfg b/tests/zfs-tests/tests/functional/mv_files/mv_files.cfg
index 2ee7c08d3c43..767752e56725 100644
--- a/tests/zfs-tests/tests/functional/mv_files/mv_files.cfg
+++ b/tests/zfs-tests/tests/functional/mv_files/mv_files.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mv_files/mv_files_001_pos.ksh b/tests/zfs-tests/tests/functional/mv_files/mv_files_001_pos.ksh
index fffe8d285654..d22b9ff0c54e 100755
--- a/tests/zfs-tests/tests/functional/mv_files/mv_files_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/mv_files/mv_files_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mv_files/mv_files_002_pos.ksh b/tests/zfs-tests/tests/functional/mv_files/mv_files_002_pos.ksh
index 7eea345d150e..d98d6f920cad 100755
--- a/tests/zfs-tests/tests/functional/mv_files/mv_files_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/mv_files/mv_files_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib b/tests/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib
index c3827198a6ef..8f3922823dde 100644
--- a/tests/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib
+++ b/tests/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/mv_files/setup.ksh b/tests/zfs-tests/tests/functional/mv_files/setup.ksh
index 669a930c6323..9b609c7e63e6 100755
--- a/tests/zfs-tests/tests/functional/mv_files/setup.ksh
+++ b/tests/zfs-tests/tests/functional/mv_files/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/nestedfs/cleanup.ksh b/tests/zfs-tests/tests/functional/nestedfs/cleanup.ksh
index 8a6521193e66..4b1abd5c189d 100755
--- a/tests/zfs-tests/tests/functional/nestedfs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/nestedfs/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/nestedfs/nestedfs_001_pos.ksh b/tests/zfs-tests/tests/functional/nestedfs/nestedfs_001_pos.ksh
index 84749d60227d..80192988a6b4 100755
--- a/tests/zfs-tests/tests/functional/nestedfs/nestedfs_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/nestedfs/nestedfs_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/nestedfs/setup.ksh b/tests/zfs-tests/tests/functional/nestedfs/setup.ksh
index 1eeefeaa18c1..84e6d5d8ac1f 100755
--- a/tests/zfs-tests/tests/functional/nestedfs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/nestedfs/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/cleanup.ksh b/tests/zfs-tests/tests/functional/no_space/cleanup.ksh
index d1a731f18372..22dd7a7c861f 100755
--- a/tests/zfs-tests/tests/functional/no_space/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/enospc.cfg b/tests/zfs-tests/tests/functional/no_space/enospc.cfg
index e8e6065bbc81..82b21d3c16aa 100644
--- a/tests/zfs-tests/tests/functional/no_space/enospc.cfg
+++ b/tests/zfs-tests/tests/functional/no_space/enospc.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/enospc_001_pos.ksh b/tests/zfs-tests/tests/functional/no_space/enospc_001_pos.ksh
index c6d374635c5b..15788595ba48 100755
--- a/tests/zfs-tests/tests/functional/no_space/enospc_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/enospc_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/enospc_002_pos.ksh b/tests/zfs-tests/tests/functional/no_space/enospc_002_pos.ksh
index 0aecbea7eb27..508e4fc3bda9 100755
--- a/tests/zfs-tests/tests/functional/no_space/enospc_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/enospc_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/enospc_003_pos.ksh b/tests/zfs-tests/tests/functional/no_space/enospc_003_pos.ksh
index 5ac96962546f..a13bb25e95f4 100755
--- a/tests/zfs-tests/tests/functional/no_space/enospc_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/enospc_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/enospc_df.ksh b/tests/zfs-tests/tests/functional/no_space/enospc_df.ksh
index cf788ca7fdf0..caf85cb228c4 100755
--- a/tests/zfs-tests/tests/functional/no_space/enospc_df.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/enospc_df.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/enospc_ganging.ksh b/tests/zfs-tests/tests/functional/no_space/enospc_ganging.ksh
index 9b285ac5f31f..ca8e3abde5ed 100755
--- a/tests/zfs-tests/tests/functional/no_space/enospc_ganging.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/enospc_ganging.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/no_space/enospc_rm.ksh b/tests/zfs-tests/tests/functional/no_space/enospc_rm.ksh
index d9582fbe2a76..5ef6868ff163 100755
--- a/tests/zfs-tests/tests/functional/no_space/enospc_rm.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/enospc_rm.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/no_space/setup.ksh b/tests/zfs-tests/tests/functional/no_space/setup.ksh
index 458a575ed3c0..a7f63635995a 100755
--- a/tests/zfs-tests/tests/functional/no_space/setup.ksh
+++ b/tests/zfs-tests/tests/functional/no_space/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/nopwrite/cleanup.ksh b/tests/zfs-tests/tests/functional/nopwrite/cleanup.ksh
index 2d7b69aac8e0..03df6c17cf78 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite.shlib b/tests/zfs-tests/tests/functional/nopwrite/nopwrite.shlib
index a6d1eb2c769f..710a4d8185af 100644
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite.shlib
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_copies.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_copies.ksh
index 2a61f605b21d..adb41f356c57 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_copies.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_copies.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_mtime.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_mtime.ksh
index 0422bbaca1c8..2c20fe50fc82 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_mtime.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_mtime.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_negative.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_negative.ksh
index 617c34602beb..001727af820b 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_negative.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_negative.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_promoted_clone.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_promoted_clone.ksh
index 057c59a3801c..b19271ad05b0 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_promoted_clone.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_promoted_clone.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_recsize.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_recsize.ksh
index 38e7ec1ff219..b600a510f2e1 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_recsize.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_recsize.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_sync.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_sync.ksh
index e0721cac198c..52f2a8e6eaaf 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_sync.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_sync.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_varying_compression.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_varying_compression.ksh
index 190bdbd6c6db..b3fdeccc4658 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_varying_compression.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_varying_compression.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_volume.ksh b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_volume.ksh
index e0422a3acfd7..0cc430cf1342 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/nopwrite_volume.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/nopwrite_volume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/nopwrite/setup.ksh b/tests/zfs-tests/tests/functional/nopwrite/setup.ksh
index 17c68a6381b9..9ac29de0efc4 100755
--- a/tests/zfs-tests/tests/functional/nopwrite/setup.ksh
+++ b/tests/zfs-tests/tests/functional/nopwrite/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/online_offline/cleanup.ksh b/tests/zfs-tests/tests/functional/online_offline/cleanup.ksh
index a0555aff06c2..aaa353d4cf24 100755
--- a/tests/zfs-tests/tests/functional/online_offline/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/online_offline/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/online_offline/online_offline.cfg b/tests/zfs-tests/tests/functional/online_offline/online_offline.cfg
index 18f197b54d4a..a9cf8a03d98a 100644
--- a/tests/zfs-tests/tests/functional/online_offline/online_offline.cfg
+++ b/tests/zfs-tests/tests/functional/online_offline/online_offline.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/online_offline/online_offline_001_pos.ksh b/tests/zfs-tests/tests/functional/online_offline/online_offline_001_pos.ksh
index d77103330a30..6ed1b3769109 100755
--- a/tests/zfs-tests/tests/functional/online_offline/online_offline_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/online_offline/online_offline_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/online_offline/online_offline_002_neg.ksh b/tests/zfs-tests/tests/functional/online_offline/online_offline_002_neg.ksh
index 33244024284a..5fe0e04077f0 100755
--- a/tests/zfs-tests/tests/functional/online_offline/online_offline_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/online_offline/online_offline_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/online_offline/online_offline_003_neg.ksh b/tests/zfs-tests/tests/functional/online_offline/online_offline_003_neg.ksh
index 1ff5b544b62c..168483053e37 100755
--- a/tests/zfs-tests/tests/functional/online_offline/online_offline_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/online_offline/online_offline_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/online_offline/setup.ksh b/tests/zfs-tests/tests/functional/online_offline/setup.ksh
index 0327c20a73cc..3c5688cf23a8 100755
--- a/tests/zfs-tests/tests/functional/online_offline/setup.ksh
+++ b/tests/zfs-tests/tests/functional/online_offline/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/cleanup.ksh b/tests/zfs-tests/tests/functional/pam/cleanup.ksh
index 5bb6e518edb0..84570755589e 100755
--- a/tests/zfs-tests/tests/functional/pam/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/pam/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/pam_basic.ksh b/tests/zfs-tests/tests/functional/pam/pam_basic.ksh
index dc54b2d253f8..4030a6788c4d 100755
--- a/tests/zfs-tests/tests/functional/pam/pam_basic.ksh
+++ b/tests/zfs-tests/tests/functional/pam/pam_basic.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/pam_change_unmounted.ksh b/tests/zfs-tests/tests/functional/pam/pam_change_unmounted.ksh
index 91b202f7609d..3ca4fb810e30 100755
--- a/tests/zfs-tests/tests/functional/pam/pam_change_unmounted.ksh
+++ b/tests/zfs-tests/tests/functional/pam/pam_change_unmounted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/pam_mount_recursively.ksh b/tests/zfs-tests/tests/functional/pam/pam_mount_recursively.ksh
index 93683da7d7db..7d6b795aba1e 100755
--- a/tests/zfs-tests/tests/functional/pam/pam_mount_recursively.ksh
+++ b/tests/zfs-tests/tests/functional/pam/pam_mount_recursively.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/pam_nounmount.ksh b/tests/zfs-tests/tests/functional/pam/pam_nounmount.ksh
index 011a873e5bfd..4f5255a104fd 100755
--- a/tests/zfs-tests/tests/functional/pam/pam_nounmount.ksh
+++ b/tests/zfs-tests/tests/functional/pam/pam_nounmount.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/pam_recursive.ksh b/tests/zfs-tests/tests/functional/pam/pam_recursive.ksh
index 3714b179b852..723bbb64c8ec 100755
--- a/tests/zfs-tests/tests/functional/pam/pam_recursive.ksh
+++ b/tests/zfs-tests/tests/functional/pam/pam_recursive.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/pam_short_password.ksh b/tests/zfs-tests/tests/functional/pam/pam_short_password.ksh
index 079608583a72..be418b97cf92 100755
--- a/tests/zfs-tests/tests/functional/pam/pam_short_password.ksh
+++ b/tests/zfs-tests/tests/functional/pam/pam_short_password.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/setup.ksh b/tests/zfs-tests/tests/functional/pam/setup.ksh
index f08758d2f2dc..e0d81c531df5 100755
--- a/tests/zfs-tests/tests/functional/pam/setup.ksh
+++ b/tests/zfs-tests/tests/functional/pam/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pam/utilities.kshlib.in b/tests/zfs-tests/tests/functional/pam/utilities.kshlib.in
index e118255dbd22..f69a0b097170 100644
--- a/tests/zfs-tests/tests/functional/pam/utilities.kshlib.in
+++ b/tests/zfs-tests/tests/functional/pam/utilities.kshlib.in
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_after_rewind.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_after_rewind.ksh
index c1dec30aa50d..cd21b6607274 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_after_rewind.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_after_rewind.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_big_rewind.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_big_rewind.ksh
index 7e523ef90873..abee9728182a 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_big_rewind.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_big_rewind.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_capacity.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_capacity.ksh
index b6d34307b3f2..3585fbee4c79 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_capacity.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_capacity.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_conf_change.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_conf_change.ksh
index 4f783108a93a..c01d3170a666 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_conf_change.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_conf_change.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard.ksh
index efd46a69b9d7..6ddec7fffb30 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_busy.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_busy.ksh
index 2bf5ab199e6e..6c32668ff4b9 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_busy.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_busy.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_many.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_many.ksh
index cf0cf6ce9eea..cf97b4130b01 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_many.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_discard_many.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_indirect.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_indirect.ksh
index aa14d8ed27fc..6dfa8c91a713 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_indirect.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_indirect.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_invalid.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_invalid.ksh
index c10f0550c6b8..d85b1fe13b30 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_invalid.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_invalid.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_lun_expsz.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_lun_expsz.ksh
index 7cfc3b1829bc..1621b2e5eaef 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_lun_expsz.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_lun_expsz.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_open.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_open.ksh
index 018478af8d61..9ba1bdb22704 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_open.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_open.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_removal.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_removal.ksh
index 514a05984160..5d0a9cb41686 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_removal.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_removal.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_rewind.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_rewind.ksh
index 2a2bb2deed80..e17e275954d7 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_rewind.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_rewind.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_ro_rewind.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_ro_rewind.ksh
index f326bf0c25d2..f138cc5b0d44 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_ro_rewind.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_ro_rewind.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_sm_scale.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_sm_scale.ksh
index e24c4eb55252..1773c812f48b 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_sm_scale.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_sm_scale.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_twice.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_twice.ksh
index 3f1076b94c4e..193867c87a63 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_twice.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_twice.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_vdev_add.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_vdev_add.ksh
index efb69b7c0ee9..887cddc486de 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_vdev_add.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_vdev_add.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zdb.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zdb.ksh
index 18ef2309c605..cd4573b2e4d1 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zdb.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zdb.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zhack_feat.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zhack_feat.ksh
index 815fc8573987..bee698f337eb 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zhack_feat.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/checkpoint_zhack_feat.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/cleanup.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/cleanup.ksh
index 5fa03d74f6b6..ea7baa1a1633 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/pool_checkpoint.kshlib b/tests/zfs-tests/tests/functional/pool_checkpoint/pool_checkpoint.kshlib
index bb8bab6cdf46..ce9fefb9d39e 100644
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/pool_checkpoint.kshlib
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/pool_checkpoint.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/pool_checkpoint/setup.ksh b/tests/zfs-tests/tests/functional/pool_checkpoint/setup.ksh
index 118400cb2a00..0e6caac81ae4 100755
--- a/tests/zfs-tests/tests/functional/pool_checkpoint/setup.ksh
+++ b/tests/zfs-tests/tests/functional/pool_checkpoint/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/pool_names/pool_names_001_pos.ksh b/tests/zfs-tests/tests/functional/pool_names/pool_names_001_pos.ksh
index 3695feb94931..652e19d840b9 100755
--- a/tests/zfs-tests/tests/functional/pool_names/pool_names_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/pool_names/pool_names_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pool_names/pool_names_002_neg.ksh b/tests/zfs-tests/tests/functional/pool_names/pool_names_002_neg.ksh
index 2a688b6bfcee..ca40772b4320 100755
--- a/tests/zfs-tests/tests/functional/pool_names/pool_names_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/pool_names/pool_names_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/poolversion/cleanup.ksh b/tests/zfs-tests/tests/functional/poolversion/cleanup.ksh
index 05d691313b40..d1057300de38 100755
--- a/tests/zfs-tests/tests/functional/poolversion/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/poolversion/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/poolversion/poolversion_001_pos.ksh b/tests/zfs-tests/tests/functional/poolversion/poolversion_001_pos.ksh
index f759a1099cbc..0655367d5082 100755
--- a/tests/zfs-tests/tests/functional/poolversion/poolversion_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/poolversion/poolversion_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/poolversion/poolversion_002_pos.ksh b/tests/zfs-tests/tests/functional/poolversion/poolversion_002_pos.ksh
index 1d7e42fcf394..3c4cfd2d7df9 100755
--- a/tests/zfs-tests/tests/functional/poolversion/poolversion_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/poolversion/poolversion_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/poolversion/setup.ksh b/tests/zfs-tests/tests/functional/poolversion/setup.ksh
index 9532404423d1..415efcf4e43c 100755
--- a/tests/zfs-tests/tests/functional/poolversion/setup.ksh
+++ b/tests/zfs-tests/tests/functional/poolversion/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/privilege/cleanup.ksh b/tests/zfs-tests/tests/functional/privilege/cleanup.ksh
index 5acce6dc6555..35557aee0513 100755
--- a/tests/zfs-tests/tests/functional/privilege/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/privilege/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/privilege/privilege_001_pos.ksh b/tests/zfs-tests/tests/functional/privilege/privilege_001_pos.ksh
index 5e8b0d401966..f1a50d25f45c 100755
--- a/tests/zfs-tests/tests/functional/privilege/privilege_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/privilege/privilege_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/privilege/privilege_002_pos.ksh b/tests/zfs-tests/tests/functional/privilege/privilege_002_pos.ksh
index 705c1a60e266..92557b47be46 100755
--- a/tests/zfs-tests/tests/functional/privilege/privilege_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/privilege/privilege_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/privilege/setup.ksh b/tests/zfs-tests/tests/functional/privilege/setup.ksh
index 92b08b209a65..d0c27d2b946d 100755
--- a/tests/zfs-tests/tests/functional/privilege/setup.ksh
+++ b/tests/zfs-tests/tests/functional/privilege/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/procfs/cleanup.ksh b/tests/zfs-tests/tests/functional/procfs/cleanup.ksh
index b3fb51695a2b..bf652df601a8 100755
--- a/tests/zfs-tests/tests/functional/procfs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/procfs/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/procfs/pool_state.ksh b/tests/zfs-tests/tests/functional/procfs/pool_state.ksh
index bae876379177..8633c3379cde 100755
--- a/tests/zfs-tests/tests/functional/procfs/pool_state.ksh
+++ b/tests/zfs-tests/tests/functional/procfs/pool_state.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/procfs/procfs_list_basic.ksh b/tests/zfs-tests/tests/functional/procfs/procfs_list_basic.ksh
index 8eb35f85da32..eb5544ec5c8b 100755
--- a/tests/zfs-tests/tests/functional/procfs/procfs_list_basic.ksh
+++ b/tests/zfs-tests/tests/functional/procfs/procfs_list_basic.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/procfs/procfs_list_concurrent_readers.ksh b/tests/zfs-tests/tests/functional/procfs/procfs_list_concurrent_readers.ksh
index 59052ae05c0d..cdee02b79216 100755
--- a/tests/zfs-tests/tests/functional/procfs/procfs_list_concurrent_readers.ksh
+++ b/tests/zfs-tests/tests/functional/procfs/procfs_list_concurrent_readers.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/procfs/procfs_list_stale_read.ksh b/tests/zfs-tests/tests/functional/procfs/procfs_list_stale_read.ksh
index be89e3b8c548..a47aaed32db4 100755
--- a/tests/zfs-tests/tests/functional/procfs/procfs_list_stale_read.ksh
+++ b/tests/zfs-tests/tests/functional/procfs/procfs_list_stale_read.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/procfs/setup.ksh b/tests/zfs-tests/tests/functional/procfs/setup.ksh
index f7d07d5d7211..b5c4e4a03334 100755
--- a/tests/zfs-tests/tests/functional/procfs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/procfs/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/cleanup.ksh b/tests/zfs-tests/tests/functional/projectquota/cleanup.ksh
index fd04aaabc566..8391ea3a8134 100755
--- a/tests/zfs-tests/tests/functional/projectquota/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectid_001_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectid_001_pos.ksh
index ac5524b49d04..1e7a8a7d8cb3 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectid_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectid_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectid_002_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectid_002_pos.ksh
index ef87a1cb774b..853d07513dc7 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectid_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectid_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectid_003_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectid_003_pos.ksh
index a66d61b686b3..d407fd7cf32c 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectid_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectid_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota.cfg b/tests/zfs-tests/tests/functional/projectquota/projectquota.cfg
index b8a37dbd05bb..6a7d5f902ed8 100644
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota.cfg
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_001_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_001_pos.ksh
index f365bb9df617..b97ede2fc0ce 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_002_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_002_pos.ksh
index 7a92649ab4ad..f5446145c7a5 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_003_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_003_pos.ksh
index 5468759f7e12..82b38560030f 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_004_neg.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_004_neg.ksh
index a7a39f8fe7f7..19f6987b3b4d 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_004_neg.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_004_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_005_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_005_pos.ksh
index ecd2bb278561..0a5d67adbbd1 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_006_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_006_pos.ksh
index 984f4340d922..3c5a87c80b0d 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_007_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_007_pos.ksh
index a06551b56c96..a12893e25d3c 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_008_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_008_pos.ksh
index 20b64995f64a..3369b11ab7c9 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_009_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectquota_009_pos.ksh
index 52d896577a98..be2cc615e394 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectquota_common.kshlib b/tests/zfs-tests/tests/functional/projectquota/projectquota_common.kshlib
index eea5b5100501..9a77dfddb857 100644
--- a/tests/zfs-tests/tests/functional/projectquota/projectquota_common.kshlib
+++ b/tests/zfs-tests/tests/functional/projectquota/projectquota_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectspace_001_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectspace_001_pos.ksh
index 97cb13b2343a..5e6a0b80ba06 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectspace_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectspace_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectspace_002_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectspace_002_pos.ksh
index 6ea68ff32188..95029c47887a 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectspace_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectspace_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectspace_003_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectspace_003_pos.ksh
index 07b899c2ff12..b960f253926a 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectspace_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectspace_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projectspace_004_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projectspace_004_pos.ksh
index c928080a36c7..c5a97c160369 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projectspace_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projectspace_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projecttree_001_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projecttree_001_pos.ksh
index 2e048868fec6..f462390ab1ac 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projecttree_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projecttree_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projecttree_002_pos.ksh b/tests/zfs-tests/tests/functional/projectquota/projecttree_002_pos.ksh
index 2494b8f7ef49..8f71ed50f4a3 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projecttree_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projecttree_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/projecttree_003_neg.ksh b/tests/zfs-tests/tests/functional/projectquota/projecttree_003_neg.ksh
index ec122301255a..9424a073c110 100755
--- a/tests/zfs-tests/tests/functional/projectquota/projecttree_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/projecttree_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/projectquota/setup.ksh b/tests/zfs-tests/tests/functional/projectquota/setup.ksh
index 873d706afc01..70dd4bf9c467 100755
--- a/tests/zfs-tests/tests/functional/projectquota/setup.ksh
+++ b/tests/zfs-tests/tests/functional/projectquota/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/pyzfs/pyzfs_unittest.ksh.in b/tests/zfs-tests/tests/functional/pyzfs/pyzfs_unittest.ksh.in
index 7fa14161a538..1fa297d02983 100755
--- a/tests/zfs-tests/tests/functional/pyzfs/pyzfs_unittest.ksh.in
+++ b/tests/zfs-tests/tests/functional/pyzfs/pyzfs_unittest.ksh.in
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/quota/cleanup.ksh b/tests/zfs-tests/tests/functional/quota/cleanup.ksh
index 8a6521193e66..4b1abd5c189d 100755
--- a/tests/zfs-tests/tests/functional/quota/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/quota/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota.cfg b/tests/zfs-tests/tests/functional/quota/quota.cfg
index 5cb6ae002dbd..06c9209b1913 100644
--- a/tests/zfs-tests/tests/functional/quota/quota.cfg
+++ b/tests/zfs-tests/tests/functional/quota/quota.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota.kshlib b/tests/zfs-tests/tests/functional/quota/quota.kshlib
index b4cfde020f3f..26198cebbd88 100644
--- a/tests/zfs-tests/tests/functional/quota/quota.kshlib
+++ b/tests/zfs-tests/tests/functional/quota/quota.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota_001_pos.ksh b/tests/zfs-tests/tests/functional/quota/quota_001_pos.ksh
index f01008a46bb1..527a9ecb92f0 100755
--- a/tests/zfs-tests/tests/functional/quota/quota_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/quota/quota_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota_002_pos.ksh b/tests/zfs-tests/tests/functional/quota/quota_002_pos.ksh
index bea2a5a68691..c95fae9d89ea 100755
--- a/tests/zfs-tests/tests/functional/quota/quota_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/quota/quota_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota_003_pos.ksh b/tests/zfs-tests/tests/functional/quota/quota_003_pos.ksh
index 33f6421131fc..3e401bed8b07 100755
--- a/tests/zfs-tests/tests/functional/quota/quota_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/quota/quota_003_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota_004_pos.ksh b/tests/zfs-tests/tests/functional/quota/quota_004_pos.ksh
index 682d09f080a4..fd0f13b13178 100755
--- a/tests/zfs-tests/tests/functional/quota/quota_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/quota/quota_004_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota_005_pos.ksh b/tests/zfs-tests/tests/functional/quota/quota_005_pos.ksh
index 9c4db81ca270..731e892f1f2f 100755
--- a/tests/zfs-tests/tests/functional/quota/quota_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/quota/quota_005_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/quota_006_neg.ksh b/tests/zfs-tests/tests/functional/quota/quota_006_neg.ksh
index 111d771188e3..18aebe27c2dc 100755
--- a/tests/zfs-tests/tests/functional/quota/quota_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/quota/quota_006_neg.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/quota/setup.ksh b/tests/zfs-tests/tests/functional/quota/setup.ksh
index 8ff0592c7632..e6366f40de2f 100755
--- a/tests/zfs-tests/tests/functional/quota/setup.ksh
+++ b/tests/zfs-tests/tests/functional/quota/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/cleanup.ksh b/tests/zfs-tests/tests/functional/raidz/cleanup.ksh
index c5bb8f9b4fa2..96a90a45d481 100755
--- a/tests/zfs-tests/tests/functional/raidz/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_001_neg.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_001_neg.ksh
index 9bd616f3a257..ad6faaf7ee59 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_002_pos.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_002_pos.ksh
index 4bd11a94036d..20a5efe71e31 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_001_pos.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_001_pos.ksh
index 125b0e5411a3..d0d3c112b0d2 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_002_pos.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_002_pos.ksh
index 185316a7cb85..b48580c2a2f4 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_neg.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_neg.ksh
index a2eb87b1f722..bd2bb47d972f 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_pos.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_pos.ksh
index 6f852c516ca4..df6835612966 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_004_pos.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_004_pos.ksh
index 5056e4e4b1fd..ffbe827c94af 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_005_pos.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_005_pos.ksh
index 49b9f6c1d353..f90f5bbbf112 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_006_neg.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_006_neg.ksh
index 35ba8bde2392..ad7845925536 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/raidz_expand_007_neg.ksh b/tests/zfs-tests/tests/functional/raidz/raidz_expand_007_neg.ksh
index 78294cb9e516..6f35a27c7504 100755
--- a/tests/zfs-tests/tests/functional/raidz/raidz_expand_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/raidz_expand_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/raidz/setup.ksh b/tests/zfs-tests/tests/functional/raidz/setup.ksh
index 47821e42915e..97921002409b 100755
--- a/tests/zfs-tests/tests/functional/raidz/setup.ksh
+++ b/tests/zfs-tests/tests/functional/raidz/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redacted_send/cleanup.ksh b/tests/zfs-tests/tests/functional/redacted_send/cleanup.ksh
index 2c344f0ed3d8..e111eb56a6d4 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted.cfg b/tests/zfs-tests/tests/functional/redacted_send/redacted.cfg
index 9608b87f107b..742228c96deb 100644
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted.cfg
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted.kshlib b/tests/zfs-tests/tests/functional/redacted_send/redacted.kshlib
index cc1cf0411027..40267c8d4ae8 100644
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted.kshlib
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted.kshlib
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_compressed.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_compressed.ksh
index 0a8bf3903c28..91c82589c0e3 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_compressed.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_compressed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_contents.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_contents.ksh
index fb12862c9531..edcc61013b6a 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_contents.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_contents.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_deleted.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_deleted.ksh
index ec11610742fb..d73394f93720 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_deleted.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_deleted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_disabled_feature.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_disabled_feature.ksh
index 3cf73f00167e..129ec7f988f0 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_disabled_feature.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_disabled_feature.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_embedded.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_embedded.ksh
index 35faf038ad8f..9f723e3f5860 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_embedded.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_embedded.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_holes.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_holes.ksh
index d111aa0ef608..759031724659 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_holes.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_holes.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_incrementals.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_incrementals.ksh
index 18ea5d68fcf8..5b05074fc1c2 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_incrementals.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_incrementals.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_largeblocks.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_largeblocks.ksh
index ef85bb31dcea..bd911a0b16ea 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_largeblocks.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_largeblocks.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_many_clones.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_many_clones.ksh
index f2150be3bc95..6a9a3a8dbf01 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_many_clones.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_many_clones.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_mixed_recsize.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_mixed_recsize.ksh
index e1cd09e17d59..c6d99a02901c 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_mixed_recsize.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_mixed_recsize.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_mounts.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_mounts.ksh
index c041469163c5..c26ba1e4eb19 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_mounts.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_mounts.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_negative.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_negative.ksh
index ea5e08c3cb86..6539dc1616ce 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_negative.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_negative.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_origin.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_origin.ksh
index 74e5914f2d88..6a770fd66e14 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_origin.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_origin.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_panic.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_panic.ksh
index a2438c2cd731..8e614709fbe4 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_panic.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_panic.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_props.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_props.ksh
index 74b71cdf6954..0b8ad4074706 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_props.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_resume.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_resume.ksh
index 31f7b0ada82c..34a6bb02505c 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_resume.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_resume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_size.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_size.ksh
index 1634ffe06463..7bc45b718a02 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_size.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_size.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/redacted_volume.ksh b/tests/zfs-tests/tests/functional/redacted_send/redacted_volume.ksh
index 2ea10638ce31..b042797be19d 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/redacted_volume.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/redacted_volume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/redacted_send/setup.ksh b/tests/zfs-tests/tests/functional/redacted_send/setup.ksh
index 6e08bec2e822..e4221c06995c 100755
--- a/tests/zfs-tests/tests/functional/redacted_send/setup.ksh
+++ b/tests/zfs-tests/tests/functional/redacted_send/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/cleanup.ksh b/tests/zfs-tests/tests/functional/redundancy/cleanup.ksh
index 1c95d752c5a0..955f61929481 100755
--- a/tests/zfs-tests/tests/functional/redundancy/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy.cfg b/tests/zfs-tests/tests/functional/redundancy/redundancy.cfg
index 3e7916257ff4..7c8e5f826687 100644
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy.cfg
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy.kshlib b/tests/zfs-tests/tests/functional/redundancy/redundancy.kshlib
index 297c6a073bb9..65435554bdbe 100644
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy.kshlib
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid.ksh
index df113a98aa3c..a1356f619009 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid1.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid1.ksh
index a59743592eca..6329cc70e319 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid1.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid1.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid2.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid2.ksh
index 48c4a24cb496..19ae9d96166f 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid2.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid2.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid3.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid3.ksh
index 8e1ad237b5a2..27686c51d7c9 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid3.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid3.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged1.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged1.ksh
index 50d7358411dc..cafd63166013 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged1.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged1.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged2.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged2.ksh
index ad66f8633986..46bf9f950864 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged2.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_damaged2.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare1.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare1.ksh
index 8acee1567957..b0f312f26e60 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare1.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare1.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare2.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare2.ksh
index 08fdd558f929..288f02392b43 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare2.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare2.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare3.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare3.ksh
index dd4bca2795b9..425c30a4984c 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare3.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_draid_spare3.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_mirror.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_mirror.ksh
index 3410ac018b83..65228c71dda2 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_mirror.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_mirror.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz.ksh
index 7de35c947fec..95e12be1f0f8 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz1.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz1.ksh
index 5700aa440606..d5da4deed244 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz1.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz1.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz2.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz2.ksh
index d73d80114b6b..c8d9ac01643a 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz2.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz2.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz3.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz3.ksh
index 9839d9b63145..59e29189e592 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz3.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_raidz3.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/redundancy_stripe.ksh b/tests/zfs-tests/tests/functional/redundancy/redundancy_stripe.ksh
index 774226acda96..4a6de7f5fe3a 100755
--- a/tests/zfs-tests/tests/functional/redundancy/redundancy_stripe.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/redundancy_stripe.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/redundancy/setup.ksh b/tests/zfs-tests/tests/functional/redundancy/setup.ksh
index 0ac48c82a810..34b4f42b1b10 100755
--- a/tests/zfs-tests/tests/functional/redundancy/setup.ksh
+++ b/tests/zfs-tests/tests/functional/redundancy/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/cleanup.ksh b/tests/zfs-tests/tests/functional/refquota/cleanup.ksh
index 2f0a02ed8dd3..bcf4915fb08c 100755
--- a/tests/zfs-tests/tests/functional/refquota/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_001_pos.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_001_pos.ksh
index 6583210ca3ec..b4e3523ef29e 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_002_pos.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_002_pos.ksh
index e2c42529c9d4..a6a1492a9d7c 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_003_pos.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_003_pos.ksh
index 7f7c2ba683f1..b9500d028f6c 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_004_pos.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_004_pos.ksh
index 8051f9af833c..3f08bbdda6a5 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_005_pos.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_005_pos.ksh
index cfccff5f1af5..2cc1f57d64f2 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_006_neg.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_006_neg.ksh
index d0d9d12b0813..32e61b45fad6 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_006_neg.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_006_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_007_neg.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_007_neg.ksh
index 484203549a96..51620e120622 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/refquota_008_neg.ksh b/tests/zfs-tests/tests/functional/refquota/refquota_008_neg.ksh
index 6e4da3621c29..a56691adcb16 100755
--- a/tests/zfs-tests/tests/functional/refquota/refquota_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/refquota_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refquota/setup.ksh b/tests/zfs-tests/tests/functional/refquota/setup.ksh
index aae97e80f7b3..be7beaeada4d 100755
--- a/tests/zfs-tests/tests/functional/refquota/setup.ksh
+++ b/tests/zfs-tests/tests/functional/refquota/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/cleanup.ksh b/tests/zfs-tests/tests/functional/refreserv/cleanup.ksh
index 2f0a02ed8dd3..bcf4915fb08c 100755
--- a/tests/zfs-tests/tests/functional/refreserv/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv.cfg b/tests/zfs-tests/tests/functional/refreserv/refreserv.cfg
index 818e7e8283a2..5468bbf59929 100644
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv.cfg
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv_001_pos.ksh b/tests/zfs-tests/tests/functional/refreserv/refreserv_001_pos.ksh
index 82904663b668..4ee9f9eab2f8 100755
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv_002_pos.ksh b/tests/zfs-tests/tests/functional/refreserv/refreserv_002_pos.ksh
index ed45eb782e12..191edde6a6ea 100755
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv_003_pos.ksh b/tests/zfs-tests/tests/functional/refreserv/refreserv_003_pos.ksh
index aa910facb984..0c7ba8488552 100755
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv_004_pos.ksh b/tests/zfs-tests/tests/functional/refreserv/refreserv_004_pos.ksh
index ec67ccf44057..46ad098987be 100755
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv_005_pos.ksh b/tests/zfs-tests/tests/functional/refreserv/refreserv_005_pos.ksh
index e078e76ad698..1f4a9a627afe 100755
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv_multi_raidz.ksh b/tests/zfs-tests/tests/functional/refreserv/refreserv_multi_raidz.ksh
index ff79764babd8..858e7e043fcc 100755
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv_multi_raidz.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv_multi_raidz.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/refreserv/refreserv_raidz.ksh b/tests/zfs-tests/tests/functional/refreserv/refreserv_raidz.ksh
index 0c8de79b3f9f..3249bd93d5ce 100755
--- a/tests/zfs-tests/tests/functional/refreserv/refreserv_raidz.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/refreserv_raidz.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/refreserv/setup.ksh b/tests/zfs-tests/tests/functional/refreserv/setup.ksh
index aae97e80f7b3..be7beaeada4d 100755
--- a/tests/zfs-tests/tests/functional/refreserv/setup.ksh
+++ b/tests/zfs-tests/tests/functional/refreserv/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/cleanup.ksh b/tests/zfs-tests/tests/functional/removal/cleanup.ksh
index 352a9fe10a20..2529ffef9b9b 100755
--- a/tests/zfs-tests/tests/functional/removal/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/removal/cleanup.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal.kshlib b/tests/zfs-tests/tests/functional/removal/removal.kshlib
index 664cafd9f39e..5651b34fdc3b 100644
--- a/tests/zfs-tests/tests/functional/removal/removal.kshlib
+++ b/tests/zfs-tests/tests/functional/removal/removal.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_all_vdev.ksh b/tests/zfs-tests/tests/functional/removal/removal_all_vdev.ksh
index d3a594689a45..1da3fb0f7ad3 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_all_vdev.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_all_vdev.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_cancel.ksh b/tests/zfs-tests/tests/functional/removal/removal_cancel.ksh
index e97dc5e77a8a..65b6fe597b98 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_cancel.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_cancel.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_check_space.ksh b/tests/zfs-tests/tests/functional/removal/removal_check_space.ksh
index dec692ada47f..5fd697b2ba31 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_check_space.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_check_space.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_condense_export.ksh b/tests/zfs-tests/tests/functional/removal/removal_condense_export.ksh
index 8de17ff2e8a1..e4774f308573 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_condense_export.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_condense_export.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_multiple_indirection.ksh b/tests/zfs-tests/tests/functional/removal/removal_multiple_indirection.ksh
index 6c52fd7819ae..6340430b297b 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_multiple_indirection.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_multiple_indirection.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_nopwrite.ksh b/tests/zfs-tests/tests/functional/removal/removal_nopwrite.ksh
index 3533c41cac28..26a9769cbb95 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_nopwrite.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_nopwrite.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_remap_deadlists.ksh b/tests/zfs-tests/tests/functional/removal/removal_remap_deadlists.ksh
index 9348022866f4..435cfa7b2abf 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_remap_deadlists.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_remap_deadlists.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_reservation.ksh b/tests/zfs-tests/tests/functional/removal/removal_reservation.ksh
index bf0c202ecbf2..4ec3fb7bf337 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_reservation.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_reservation.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_resume_export.ksh b/tests/zfs-tests/tests/functional/removal/removal_resume_export.ksh
index 142e72754b00..bf9a71eae9fc 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_resume_export.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_resume_export.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_sanity.ksh b/tests/zfs-tests/tests/functional/removal/removal_sanity.ksh
index e927e3c0e25b..1e95fce2920a 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_sanity.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_sanity.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_add.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_add.ksh
index 7ec6c8675074..61bf35f20e1c 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_add.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_add.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_create_fs.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_create_fs.ksh
index 0872fd9faf40..6814c9582f3e 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_create_fs.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_create_fs.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_dedup.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_dedup.ksh
index ac79b7c17268..ef093604f5e4 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_dedup.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_dedup.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_errors.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_errors.ksh
index be7364eb2b0d..0aa51cb0d383 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_errors.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_errors.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_export.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_export.ksh
index 098a52cb9f9a..b94841aed159 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_export.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_export.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_faulted.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_faulted.ksh
index 44d222860b80..0721f5248bbf 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_faulted.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_faulted.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_ganging.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_ganging.ksh
index e3e635998efd..e48eb277f0b7 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_ganging.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_ganging.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_indirect.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_indirect.ksh
index 2a7878f4a2d5..cb8c09c9d4a5 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_indirect.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_indirect.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_remove.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_remove.ksh
index df7bc671994a..bcfcfd74b78b 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_remove.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_remove.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_scrub.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_scrub.ksh
index d96c1ce9de15..7494c1e0924a 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_scrub.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_scrub.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_send.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_send.ksh
index 735578104740..261c6f664dbb 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_send.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_send.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_send_recv.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_send_recv.ksh
index c4b5f7e7686f..2c600b77b483 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_send_recv.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_send_recv.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_snapshot.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_snapshot.ksh
index a4ec8ddfa6fa..0331dc0aa2c4 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_snapshot.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_snapshot.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_write.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_write.ksh
index 5d37b903e08c..e7ca91e108f7 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_write.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_write.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/removal_with_zdb.ksh b/tests/zfs-tests/tests/functional/removal/removal_with_zdb.ksh
index 5c469259a9ef..b0695be7b495 100755
--- a/tests/zfs-tests/tests/functional/removal/removal_with_zdb.ksh
+++ b/tests/zfs-tests/tests/functional/removal/removal_with_zdb.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/remove_attach_mirror.ksh b/tests/zfs-tests/tests/functional/removal/remove_attach_mirror.ksh
index cdbd962025cf..bd8c937ba328 100755
--- a/tests/zfs-tests/tests/functional/removal/remove_attach_mirror.ksh
+++ b/tests/zfs-tests/tests/functional/removal/remove_attach_mirror.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/remove_expanded.ksh b/tests/zfs-tests/tests/functional/removal/remove_expanded.ksh
index 5ee55e9a9d3e..bd63aaa1998b 100755
--- a/tests/zfs-tests/tests/functional/removal/remove_expanded.ksh
+++ b/tests/zfs-tests/tests/functional/removal/remove_expanded.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/remove_indirect.ksh b/tests/zfs-tests/tests/functional/removal/remove_indirect.ksh
index c4ba0d9ac564..4a2d0aa9010a 100755
--- a/tests/zfs-tests/tests/functional/removal/remove_indirect.ksh
+++ b/tests/zfs-tests/tests/functional/removal/remove_indirect.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/remove_mirror.ksh b/tests/zfs-tests/tests/functional/removal/remove_mirror.ksh
index a62479f2a1e4..10af93f4705c 100755
--- a/tests/zfs-tests/tests/functional/removal/remove_mirror.ksh
+++ b/tests/zfs-tests/tests/functional/removal/remove_mirror.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/remove_mirror_sanity.ksh b/tests/zfs-tests/tests/functional/removal/remove_mirror_sanity.ksh
index 21af3965ae79..d8efa82be159 100755
--- a/tests/zfs-tests/tests/functional/removal/remove_mirror_sanity.ksh
+++ b/tests/zfs-tests/tests/functional/removal/remove_mirror_sanity.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/removal/remove_raidz.ksh b/tests/zfs-tests/tests/functional/removal/remove_raidz.ksh
index 98d4536a148d..eaff8be65f95 100755
--- a/tests/zfs-tests/tests/functional/removal/remove_raidz.ksh
+++ b/tests/zfs-tests/tests/functional/removal/remove_raidz.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rename_dirs/cleanup.ksh b/tests/zfs-tests/tests/functional/rename_dirs/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/rename_dirs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/rename_dirs/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rename_dirs/rename_dirs_001_pos.ksh b/tests/zfs-tests/tests/functional/rename_dirs/rename_dirs_001_pos.ksh
index 10e4be0e2581..dedfa038ddb3 100755
--- a/tests/zfs-tests/tests/functional/rename_dirs/rename_dirs_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rename_dirs/rename_dirs_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rename_dirs/setup.ksh b/tests/zfs-tests/tests/functional/rename_dirs/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/rename_dirs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/rename_dirs/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/renameat2/cleanup.ksh b/tests/zfs-tests/tests/functional/renameat2/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/renameat2/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/renameat2/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/renameat2/renameat2_exchange.ksh b/tests/zfs-tests/tests/functional/renameat2/renameat2_exchange.ksh
index b9d5d6498bc5..7e8a94a75957 100755
--- a/tests/zfs-tests/tests/functional/renameat2/renameat2_exchange.ksh
+++ b/tests/zfs-tests/tests/functional/renameat2/renameat2_exchange.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/renameat2/renameat2_noreplace.ksh b/tests/zfs-tests/tests/functional/renameat2/renameat2_noreplace.ksh
index c8ce12b1ca82..7ebedfa91a1e 100755
--- a/tests/zfs-tests/tests/functional/renameat2/renameat2_noreplace.ksh
+++ b/tests/zfs-tests/tests/functional/renameat2/renameat2_noreplace.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/renameat2/renameat2_whiteout.ksh b/tests/zfs-tests/tests/functional/renameat2/renameat2_whiteout.ksh
index 7e7a3ba5efeb..18b06fbc12b0 100755
--- a/tests/zfs-tests/tests/functional/renameat2/renameat2_whiteout.ksh
+++ b/tests/zfs-tests/tests/functional/renameat2/renameat2_whiteout.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/renameat2/setup.ksh b/tests/zfs-tests/tests/functional/renameat2/setup.ksh
index 9b34b18cd5cd..fe9bc366aa66 100755
--- a/tests/zfs-tests/tests/functional/renameat2/setup.ksh
+++ b/tests/zfs-tests/tests/functional/renameat2/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/attach_import.ksh b/tests/zfs-tests/tests/functional/replacement/attach_import.ksh
index e2749b164efe..4c2d158b6d5f 100755
--- a/tests/zfs-tests/tests/functional/replacement/attach_import.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/attach_import.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/replacement/attach_multiple.ksh b/tests/zfs-tests/tests/functional/replacement/attach_multiple.ksh
index 5c3835349173..6c9707fc1ace 100755
--- a/tests/zfs-tests/tests/functional/replacement/attach_multiple.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/attach_multiple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/replacement/attach_rebuild.ksh b/tests/zfs-tests/tests/functional/replacement/attach_rebuild.ksh
index 8b4cb9da2d23..6e414027ef18 100755
--- a/tests/zfs-tests/tests/functional/replacement/attach_rebuild.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/attach_rebuild.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/attach_resilver.ksh b/tests/zfs-tests/tests/functional/replacement/attach_resilver.ksh
index 724a7865fe69..9b5bcb9e238e 100755
--- a/tests/zfs-tests/tests/functional/replacement/attach_resilver.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/attach_resilver.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/cleanup.ksh b/tests/zfs-tests/tests/functional/replacement/cleanup.ksh
index a0555aff06c2..aaa353d4cf24 100755
--- a/tests/zfs-tests/tests/functional/replacement/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/detach.ksh b/tests/zfs-tests/tests/functional/replacement/detach.ksh
index c563a015ad9a..b0d1d502be53 100755
--- a/tests/zfs-tests/tests/functional/replacement/detach.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/detach.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/rebuild_disabled_feature.ksh b/tests/zfs-tests/tests/functional/replacement/rebuild_disabled_feature.ksh
index 5e86a8ccb8ac..296f83671229 100755
--- a/tests/zfs-tests/tests/functional/replacement/rebuild_disabled_feature.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/rebuild_disabled_feature.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/replacement/rebuild_multiple.ksh b/tests/zfs-tests/tests/functional/replacement/rebuild_multiple.ksh
index 2cb971a1caf1..6bb1498d4e9b 100755
--- a/tests/zfs-tests/tests/functional/replacement/rebuild_multiple.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/rebuild_multiple.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/replacement/rebuild_raidz.ksh b/tests/zfs-tests/tests/functional/replacement/rebuild_raidz.ksh
index 26dc6f87b26e..c8bde73af224 100755
--- a/tests/zfs-tests/tests/functional/replacement/rebuild_raidz.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/rebuild_raidz.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/replacement/replace_import.ksh b/tests/zfs-tests/tests/functional/replacement/replace_import.ksh
index 37d3c6645c3f..cbd04cdbe4f4 100755
--- a/tests/zfs-tests/tests/functional/replacement/replace_import.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/replace_import.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/replacement/replace_rebuild.ksh b/tests/zfs-tests/tests/functional/replacement/replace_rebuild.ksh
index ea1fabdbbeb9..905291a85583 100755
--- a/tests/zfs-tests/tests/functional/replacement/replace_rebuild.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/replace_rebuild.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/replace_resilver.ksh b/tests/zfs-tests/tests/functional/replacement/replace_resilver.ksh
index bdca3c772584..796ceaabe57e 100755
--- a/tests/zfs-tests/tests/functional/replacement/replace_resilver.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/replace_resilver.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/replacement.cfg b/tests/zfs-tests/tests/functional/replacement/replacement.cfg
index 9e82a4ccd502..b33945b3a90c 100644
--- a/tests/zfs-tests/tests/functional/replacement/replacement.cfg
+++ b/tests/zfs-tests/tests/functional/replacement/replacement.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/replacement/resilver_restart_001.ksh b/tests/zfs-tests/tests/functional/replacement/resilver_restart_001.ksh
index 101fa410bdb6..e9a0680584cb 100755
--- a/tests/zfs-tests/tests/functional/replacement/resilver_restart_001.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/resilver_restart_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/replacement/resilver_restart_002.ksh b/tests/zfs-tests/tests/functional/replacement/resilver_restart_002.ksh
index bc5bc017768c..147938e452a1 100755
--- a/tests/zfs-tests/tests/functional/replacement/resilver_restart_002.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/resilver_restart_002.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/replacement/scrub_cancel.ksh b/tests/zfs-tests/tests/functional/replacement/scrub_cancel.ksh
index a1b48680c202..0782aac1fe2d 100755
--- a/tests/zfs-tests/tests/functional/replacement/scrub_cancel.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/scrub_cancel.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # CDDL HEADER START
diff --git a/tests/zfs-tests/tests/functional/replacement/setup.ksh b/tests/zfs-tests/tests/functional/replacement/setup.ksh
index 0327c20a73cc..3c5688cf23a8 100755
--- a/tests/zfs-tests/tests/functional/replacement/setup.ksh
+++ b/tests/zfs-tests/tests/functional/replacement/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/cleanup.ksh b/tests/zfs-tests/tests/functional/reservation/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/reservation/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation.cfg b/tests/zfs-tests/tests/functional/reservation/reservation.cfg
index 18d0ead30d64..4312d3e80053 100644
--- a/tests/zfs-tests/tests/functional/reservation/reservation.cfg
+++ b/tests/zfs-tests/tests/functional/reservation/reservation.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation.shlib b/tests/zfs-tests/tests/functional/reservation/reservation.shlib
index 911c3a908a17..e68f038fe698 100644
--- a/tests/zfs-tests/tests/functional/reservation/reservation.shlib
+++ b/tests/zfs-tests/tests/functional/reservation/reservation.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_001_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_001_pos.ksh
index dbe4890be86c..e2e867bf0f8e 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_002_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_002_pos.ksh
index eca3f5936580..c2ebaca19da5 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_003_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_003_pos.ksh
index a6e701dcf381..fadfe15f16d6 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_004_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_004_pos.ksh
index 2b52cd6a07d9..8d3c2dfcd0a2 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_005_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_005_pos.ksh
index e6cfa88990ac..f99c5eb95eec 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_006_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_006_pos.ksh
index ef7b554de1ef..0cd0ca8f9c9b 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_007_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_007_pos.ksh
index d3db1c7cfbeb..8f17a7d8931d 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_008_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_008_pos.ksh
index 2c7c0c04014b..b107af3ecbdb 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_009_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_009_pos.ksh
index 7fd19ef50b12..5d36f37e0467 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh
index c575dc7c3156..b00f34aec87b 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_011_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_011_pos.ksh
index d3fcc24bc49d..a2aa66f2b685 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_012_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_012_pos.ksh
index 77bf8beb0b92..d3a2f76c7370 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_013_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_013_pos.ksh
index 7ef2b61e3c8b..2fcc25ce07e9 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_014_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_014_pos.ksh
index eeefe182798a..86b0ec06e4bc 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_014_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_015_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_015_pos.ksh
index 2b9d3f98694b..fb1d4b1581f6 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_015_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_015_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_016_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_016_pos.ksh
index 84a80e34323e..d70175a2261f 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_016_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_016_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_017_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_017_pos.ksh
index 486ad397ca13..02383ed784ab 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_017_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_017_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_018_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_018_pos.ksh
index 717c8371ff19..36b3c0a6a603 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_018_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_018_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_019_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_019_pos.ksh
index 45da06a9f42f..30000dcbf64d 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_019_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_019_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_020_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_020_pos.ksh
index 68d46d0a0eea..38d2ae06a18f 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_020_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_020_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_021_neg.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_021_neg.ksh
index 07da7e96306e..741884d8edc2 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_021_neg.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_021_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_022_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_022_pos.ksh
index 879dc5da5a85..35daa9f61d08 100755
--- a/tests/zfs-tests/tests/functional/reservation/reservation_022_pos.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/reservation_022_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/reservation/setup.ksh b/tests/zfs-tests/tests/functional/reservation/setup.ksh
index 6b93b4a7e310..2d5d8422e35b 100755
--- a/tests/zfs-tests/tests/functional/reservation/setup.ksh
+++ b/tests/zfs-tests/tests/functional/reservation/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rootpool/cleanup.ksh b/tests/zfs-tests/tests/functional/rootpool/cleanup.ksh
index c51a3f27bddc..48359b77f5d3 100755
--- a/tests/zfs-tests/tests/functional/rootpool/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/rootpool/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rootpool/rootpool_002_neg.ksh b/tests/zfs-tests/tests/functional/rootpool/rootpool_002_neg.ksh
index c6c3bf8a52b1..f0021406b2b0 100755
--- a/tests/zfs-tests/tests/functional/rootpool/rootpool_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/rootpool/rootpool_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rootpool/rootpool_003_neg.ksh b/tests/zfs-tests/tests/functional/rootpool/rootpool_003_neg.ksh
index 6dbbc7da39ef..ec8f27f2d487 100755
--- a/tests/zfs-tests/tests/functional/rootpool/rootpool_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/rootpool/rootpool_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rootpool/rootpool_007_pos.ksh b/tests/zfs-tests/tests/functional/rootpool/rootpool_007_pos.ksh
index a336e6bbb33f..9360157c27a1 100755
--- a/tests/zfs-tests/tests/functional/rootpool/rootpool_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rootpool/rootpool_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rootpool/setup.ksh b/tests/zfs-tests/tests/functional/rootpool/setup.ksh
index 049bdf066aeb..75146ec0ab63 100755
--- a/tests/zfs-tests/tests/functional/rootpool/setup.ksh
+++ b/tests/zfs-tests/tests/functional/rootpool/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/cleanup.ksh b/tests/zfs-tests/tests/functional/rsend/cleanup.ksh
index 9a6ad98b3fde..5a5cfb822946 100755
--- a/tests/zfs-tests/tests/functional/rsend/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/recv_dedup.ksh b/tests/zfs-tests/tests/functional/rsend/recv_dedup.ksh
index ba23c4f6aa3c..87ac50141f04 100755
--- a/tests/zfs-tests/tests/functional/rsend/recv_dedup.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/recv_dedup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/recv_dedup_encrypted_zvol.ksh b/tests/zfs-tests/tests/functional/rsend/recv_dedup_encrypted_zvol.ksh
index daf559d264d9..ca7656ca0ccc 100755
--- a/tests/zfs-tests/tests/functional/rsend/recv_dedup_encrypted_zvol.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/recv_dedup_encrypted_zvol.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend.cfg b/tests/zfs-tests/tests/functional/rsend/rsend.cfg
index 9e3422ecad67..03b48f9302e7 100644
--- a/tests/zfs-tests/tests/functional/rsend/rsend.cfg
+++ b/tests/zfs-tests/tests/functional/rsend/rsend.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend.kshlib b/tests/zfs-tests/tests/functional/rsend/rsend.kshlib
index b4fcdd7bbd24..b696d60741c0 100644
--- a/tests/zfs-tests/tests/functional/rsend/rsend.kshlib
+++ b/tests/zfs-tests/tests/functional/rsend/rsend.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_001_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_001_pos.ksh
index b73c27656437..e912caeb1723 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_002_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_002_pos.ksh
index 111d00eeb63a..3134cdadb0ca 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_003_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_003_pos.ksh
index fa4479c666d9..81c126b7d2c6 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_004_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_004_pos.ksh
index 522662076d2c..1d876b8c2553 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_005_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_005_pos.ksh
index 2c1ba0c1644a..e3dc4cdd1060 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_006_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_006_pos.ksh
index 5216016e6b71..66394da09e9d 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_007_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_007_pos.ksh
index 499caff9a71a..fef23548982d 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_008_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_008_pos.ksh
index fab0a7d9ec7c..9df06c6c19dc 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_009_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_009_pos.ksh
index fc5a582f881e..46b5080347ab 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_010_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_010_pos.ksh
index a9a7d53819d8..06a90bbd7d34 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_011_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_011_pos.ksh
index 113ef4f6dc85..0677aee73ee8 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_012_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_012_pos.ksh
index 0fa40f40bed5..f969e2dcf471 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_013_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_013_pos.ksh
index e06e0f3e5e53..b5821d6eed11 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_014_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_014_pos.ksh
index 47fc2f1bead4..01cf1c09f8df 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_014_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_016_neg.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_016_neg.ksh
index 2741cd20ae0a..16582fa3de40 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_016_neg.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_016_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_019_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_019_pos.ksh
index 673d1d072be4..80614e7e3fb3 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_019_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_019_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_020_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_020_pos.ksh
index b7ecf90916ba..4ead3cb98859 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_020_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_020_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_021_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_021_pos.ksh
index 50f2b8890a5c..c7f8cf75169f 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_021_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_021_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_022_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_022_pos.ksh
index cb68b1c3b27d..9310ff6cfc37 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_022_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_022_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_024_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_024_pos.ksh
index c44985ae8c1d..f5c954043676 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_024_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_024_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_025_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_025_pos.ksh
index 95ec9875737e..75675fb22597 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_025_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_025_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_026_neg.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_026_neg.ksh
index 504e5fba811d..61bf152f3e1e 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_026_neg.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_026_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_027_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_027_pos.ksh
index d575ac2676bb..d5d40202cad9 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_027_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_027_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_028_neg.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_028_neg.ksh
index a6a1cbfc8ee8..1a0b1dfc5a0d 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_028_neg.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_028_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_029_neg.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_029_neg.ksh
index 28d3826cef60..41f7ea963fb6 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_029_neg.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_029_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_030_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_030_pos.ksh
index a683f5befa3d..d2c39b243584 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_030_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_030_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/rsend_031_pos.ksh b/tests/zfs-tests/tests/functional/rsend/rsend_031_pos.ksh
index 119da7150c36..7af557da04c1 100755
--- a/tests/zfs-tests/tests/functional/rsend/rsend_031_pos.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/rsend_031_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-L_toggle.ksh b/tests/zfs-tests/tests/functional/rsend/send-L_toggle.ksh
index 483efcc60548..c701abe7f7cb 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-L_toggle.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-L_toggle.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_embedded_blocks.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_embedded_blocks.ksh
index 3dce217d8955..c5ec994fafc9 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_embedded_blocks.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_embedded_blocks.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_incremental.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_incremental.ksh
index d673282c9355..382bc1ce148c 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_incremental.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_incremental.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_longname.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_longname.ksh
index 3f7edc6810dd..38dc9cb00f95 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_longname.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_longname.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_lz4_disabled.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_lz4_disabled.ksh
index bc706bab25b8..7a293727ad47 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_lz4_disabled.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_lz4_disabled.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_mixed_compression.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_mixed_compression.ksh
index 22e91c011b31..dda41edee048 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_mixed_compression.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_mixed_compression.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_props.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_props.ksh
index 82a2eb91e825..c49c31f3574d 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_props.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_recv_dedup.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_recv_dedup.ksh
index cef81617b13b..25d59c9387c3 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_recv_dedup.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_recv_dedup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_recv_lz4_disabled.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_recv_lz4_disabled.ksh
index 15873ed12f1e..5807af4fd509 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_recv_lz4_disabled.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_recv_lz4_disabled.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_resume.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_resume.ksh
index 05ba5ed244d9..49363cd7519b 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_resume.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_resume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_stream_size_estimate.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_stream_size_estimate.ksh
index 5d308d8f6574..36076292a88d 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_stream_size_estimate.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_stream_size_estimate.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_verify_contents.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_verify_contents.ksh
index 0a5d56bebe32..f97b82d1fa8d 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_verify_contents.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_verify_contents.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_verify_ratio.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_verify_ratio.ksh
index 845349a95873..83dd53f6c8fe 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_verify_ratio.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_verify_ratio.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_volume.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_volume.ksh
index 6a29d964500d..e617bcec64e9 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_volume.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_volume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_zstream_recompress.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_zstream_recompress.ksh
index dd2a7d02a261..81c7e24a2204 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_zstream_recompress.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_zstream_recompress.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-c_zstreamdump.ksh b/tests/zfs-tests/tests/functional/rsend/send-c_zstreamdump.ksh
index 82d15c68ec47..5ff2cbf0c6a9 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-c_zstreamdump.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-c_zstreamdump.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-cpL_varied_recsize.ksh b/tests/zfs-tests/tests/functional/rsend/send-cpL_varied_recsize.ksh
index cf390c26f960..0ec8ba065bc4 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-cpL_varied_recsize.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-cpL_varied_recsize.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send-wR_encrypted_zvol.ksh b/tests/zfs-tests/tests/functional/rsend/send-wR_encrypted_zvol.ksh
index 7db9892da583..07155c1912bf 100755
--- a/tests/zfs-tests/tests/functional/rsend/send-wR_encrypted_zvol.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send-wR_encrypted_zvol.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_doall.ksh b/tests/zfs-tests/tests/functional/rsend/send_doall.ksh
index 55b8c002e61a..7c6238483220 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_doall.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_doall.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh b/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh
index 0212bd144fb8..bcd8078841b7 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_encrypted_freeobjects.ksh b/tests/zfs-tests/tests/functional/rsend/send_encrypted_freeobjects.ksh
index 92451bd1ab6f..a1fdfadee2ec 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_encrypted_freeobjects.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_encrypted_freeobjects.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_encrypted_hierarchy.ksh b/tests/zfs-tests/tests/functional/rsend/send_encrypted_hierarchy.ksh
index 6dd4ae46f947..c042ebe28d0e 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_encrypted_hierarchy.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_encrypted_hierarchy.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_encrypted_incremental.ksh b/tests/zfs-tests/tests/functional/rsend/send_encrypted_incremental.ksh
index 491ad55db411..7537e0a87df1 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_encrypted_incremental.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_encrypted_incremental.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_encrypted_props.ksh b/tests/zfs-tests/tests/functional/rsend/send_encrypted_props.ksh
index 3b20f0a99a4a..1e7ca56a143e 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_encrypted_props.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_encrypted_props.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_encrypted_truncated_files.ksh b/tests/zfs-tests/tests/functional/rsend/send_encrypted_truncated_files.ksh
index a6223f05a65a..3c15e408793e 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_encrypted_truncated_files.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_encrypted_truncated_files.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_freeobjects.ksh b/tests/zfs-tests/tests/functional/rsend/send_freeobjects.ksh
index 925f667ee9a6..2c261f288374 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_freeobjects.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_freeobjects.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_holds.ksh b/tests/zfs-tests/tests/functional/rsend/send_holds.ksh
index 5dcf0e2a0a7a..75271da933c2 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_holds.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_holds.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_hole_birth.ksh b/tests/zfs-tests/tests/functional/rsend/send_hole_birth.ksh
index 72b83505d5e8..fc966be77e21 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_hole_birth.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_hole_birth.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_invalid.ksh b/tests/zfs-tests/tests/functional/rsend/send_invalid.ksh
index ab3b1d73f850..bf9d0b3e7762 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_invalid.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_invalid.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_mixed_raw.ksh b/tests/zfs-tests/tests/functional/rsend/send_mixed_raw.ksh
index 59b08ccf723b..415e71d11fd8 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_mixed_raw.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_mixed_raw.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_partial_dataset.ksh b/tests/zfs-tests/tests/functional/rsend/send_partial_dataset.ksh
index c36b0c7c3ece..34b2c0a9b493 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_partial_dataset.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_partial_dataset.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_raw_ashift.ksh b/tests/zfs-tests/tests/functional/rsend/send_raw_ashift.ksh
index f238c361134f..16e18c8def1f 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_raw_ashift.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_raw_ashift.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_raw_large_blocks.ksh b/tests/zfs-tests/tests/functional/rsend/send_raw_large_blocks.ksh
index 48a76fca63e1..cc1373429c62 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_raw_large_blocks.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_raw_large_blocks.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/rsend/send_raw_spill_block.ksh b/tests/zfs-tests/tests/functional/rsend/send_raw_spill_block.ksh
index 8d7451ae62e2..c70a79ab14d7 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_raw_spill_block.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_raw_spill_block.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh b/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh
index bd30488eaab0..07dfc1731e34 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_realloc_encrypted_files.ksh b/tests/zfs-tests/tests/functional/rsend/send_realloc_encrypted_files.ksh
index 361f6b375ea1..ff046713289d 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_realloc_encrypted_files.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_realloc_encrypted_files.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_realloc_files.ksh b/tests/zfs-tests/tests/functional/rsend/send_realloc_files.ksh
index 187a899a23c6..51fd9929feaa 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_realloc_files.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_realloc_files.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/send_spill_block.ksh b/tests/zfs-tests/tests/functional/rsend/send_spill_block.ksh
index 73f164852f91..e684ba8171b4 100755
--- a/tests/zfs-tests/tests/functional/rsend/send_spill_block.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/send_spill_block.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/rsend/setup.ksh b/tests/zfs-tests/tests/functional/rsend/setup.ksh
index 5632df3da7f0..578b101f93f8 100755
--- a/tests/zfs-tests/tests/functional/rsend/setup.ksh
+++ b/tests/zfs-tests/tests/functional/rsend/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/cleanup.ksh b/tests/zfs-tests/tests/functional/scrub_mirror/cleanup.ksh
index 4854a318dc08..eddb66cfb7e5 100755
--- a/tests/zfs-tests/tests/functional/scrub_mirror/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/default.cfg b/tests/zfs-tests/tests/functional/scrub_mirror/default.cfg
index 9c027fd2013f..46ae60bc1209 100644
--- a/tests/zfs-tests/tests/functional/scrub_mirror/default.cfg
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/default.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_001_pos.ksh b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_001_pos.ksh
index a65375022c78..e1c41ae266de 100755
--- a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_002_pos.ksh b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_002_pos.ksh
index a2e32e7ca03f..213a162b7fa5 100755
--- a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_003_pos.ksh b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_003_pos.ksh
index b68e354a3fd2..83a12bfce444 100755
--- a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_004_pos.ksh b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_004_pos.ksh
index c21c226b9c0c..128243d0133f 100755
--- a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_common.kshlib b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_common.kshlib
index 72a9dbd4f1ac..641d9afd4b87 100644
--- a/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_common.kshlib
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/scrub_mirror_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/scrub_mirror/setup.ksh b/tests/zfs-tests/tests/functional/scrub_mirror/setup.ksh
index 0bed5df6fd7e..bdb4e5a8ab65 100755
--- a/tests/zfs-tests/tests/functional/scrub_mirror/setup.ksh
+++ b/tests/zfs-tests/tests/functional/scrub_mirror/setup.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/simd/simd_supported.ksh b/tests/zfs-tests/tests/functional/simd/simd_supported.ksh
index 79bacc2b8d1e..65f05211cb9e 100755
--- a/tests/zfs-tests/tests/functional/simd/simd_supported.ksh
+++ b/tests/zfs-tests/tests/functional/simd/simd_supported.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/cleanup.ksh b/tests/zfs-tests/tests/functional/slog/cleanup.ksh
index 53b5f4c4ab87..977f98c5deec 100755
--- a/tests/zfs-tests/tests/functional/slog/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/slog/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/setup.ksh b/tests/zfs-tests/tests/functional/slog/setup.ksh
index 02f05cc568ec..908034591db8 100755
--- a/tests/zfs-tests/tests/functional/slog/setup.ksh
+++ b/tests/zfs-tests/tests/functional/slog/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog.cfg b/tests/zfs-tests/tests/functional/slog/slog.cfg
index ef32d2fb57ff..320a3e711fc3 100644
--- a/tests/zfs-tests/tests/functional/slog/slog.cfg
+++ b/tests/zfs-tests/tests/functional/slog/slog.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog.kshlib b/tests/zfs-tests/tests/functional/slog/slog.kshlib
index 98863d6c9882..8b2be2c1427d 100644
--- a/tests/zfs-tests/tests/functional/slog/slog.kshlib
+++ b/tests/zfs-tests/tests/functional/slog/slog.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_001_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_001_pos.ksh
index 112d0192f136..b815b1ef3f7e 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_002_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_002_pos.ksh
index 17fb1f6a4841..ca21fb4ba5a4 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_003_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_003_pos.ksh
index 678802e99ad2..61343dfb1580 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_004_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_004_pos.ksh
index 7c29e2c05ce0..f0855c191736 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_005_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_005_pos.ksh
index 2dad806033fc..5f78a1c6d335 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_006_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_006_pos.ksh
index 3804c3896da7..1d905c922e0f 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_007_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_007_pos.ksh
index ff54cd781781..85820bf7749a 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_008_neg.ksh b/tests/zfs-tests/tests/functional/slog/slog_008_neg.ksh
index 8f95c6fe3cae..a10b712feeb3 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_008_neg.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_008_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_009_neg.ksh b/tests/zfs-tests/tests/functional/slog/slog_009_neg.ksh
index 395706b58519..36d23bd1cd2c 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_010_neg.ksh b/tests/zfs-tests/tests/functional/slog/slog_010_neg.ksh
index 800e6cc054cf..cced0dfb5578 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_011_neg.ksh b/tests/zfs-tests/tests/functional/slog/slog_011_neg.ksh
index 9953fa55d2d4..9a4a89631f61 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_011_neg.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_011_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_012_neg.ksh b/tests/zfs-tests/tests/functional/slog/slog_012_neg.ksh
index f1434e10c357..0e474dcd804c 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_012_neg.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_012_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_013_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_013_pos.ksh
index b412b310f5b2..3be6c28e00ba 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_014_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_014_pos.ksh
index 8f1502c71564..c6febc73eccc 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_014_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_015_neg.ksh b/tests/zfs-tests/tests/functional/slog/slog_015_neg.ksh
index 464be019dac3..8245c841c93a 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_015_neg.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_015_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/slog/slog_016_pos.ksh b/tests/zfs-tests/tests/functional/slog/slog_016_pos.ksh
index b69c0c58e38d..54bbe4a83607 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_016_pos.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_016_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_replay_fs_001.ksh b/tests/zfs-tests/tests/functional/slog/slog_replay_fs_001.ksh
index 6f4871975b61..c0187dceb2b1 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_replay_fs_001.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_replay_fs_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh b/tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh
index a62d229d5057..bfd74421683b 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/slog/slog_replay_volume.ksh b/tests/zfs-tests/tests/functional/slog/slog_replay_volume.ksh
index 4728f8389ad0..979e722dd850 100755
--- a/tests/zfs-tests/tests/functional/slog/slog_replay_volume.ksh
+++ b/tests/zfs-tests/tests/functional/slog/slog_replay_volume.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/cleanup.ksh b/tests/zfs-tests/tests/functional/snapshot/cleanup.ksh
index 4ff6739098a8..a89e6a15f5e9 100755
--- a/tests/zfs-tests/tests/functional/snapshot/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/clone_001_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/clone_001_pos.ksh
index 697f8f83aa09..0f30156f5713 100755
--- a/tests/zfs-tests/tests/functional/snapshot/clone_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/clone_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/rollback_001_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/rollback_001_pos.ksh
index 79b00bd3c1b5..0d3b87309d18 100755
--- a/tests/zfs-tests/tests/functional/snapshot/rollback_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/rollback_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/rollback_002_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/rollback_002_pos.ksh
index 842d469695e3..353cd046a177 100755
--- a/tests/zfs-tests/tests/functional/snapshot/rollback_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/rollback_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/rollback_003_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/rollback_003_pos.ksh
index 3cbc6694ee0c..328cdae328eb 100755
--- a/tests/zfs-tests/tests/functional/snapshot/rollback_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/rollback_003_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/setup.ksh b/tests/zfs-tests/tests/functional/snapshot/setup.ksh
index 17d09fa9c196..d977211824e8 100755
--- a/tests/zfs-tests/tests/functional/snapshot/setup.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot.cfg b/tests/zfs-tests/tests/functional/snapshot/snapshot.cfg
index 69b4f3a06fd5..1dc112a9a51b 100644
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot.cfg
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_001_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_001_pos.ksh
index 0724216ee561..0fdc301bc419 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_002_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_002_pos.ksh
index d9e44d332e05..c29d9d897620 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_002_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_003_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_003_pos.ksh
index 96f7dac0beec..065fcd838369 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_003_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_004_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_004_pos.ksh
index 3725de0c1ec6..d1634f602b22 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_004_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_005_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_005_pos.ksh
index 127b73143893..858931ed0c38 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_005_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_006_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_006_pos.ksh
index e34a50941470..0f03cf9262ed 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_006_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_007_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_007_pos.ksh
index 3f7029f581e7..bcbf4f5091ff 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_007_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_008_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_008_pos.ksh
index 299424fc9573..2892f83ac679 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_008_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_009_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_009_pos.ksh
index ccc0857b077b..c9d50663820a 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_009_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_010_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_010_pos.ksh
index 4aca2854a7d9..26ff5bd95357 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_010_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_011_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_011_pos.ksh
index 2d5f63b6237c..9fff2bc9c860 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_011_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_012_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_012_pos.ksh
index d2671787975b..d19a4de85156 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_012_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_013_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_013_pos.ksh
index a071759beca6..9286f9a51d9b 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_013_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_014_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_014_pos.ksh
index 9c7e64ab6cf0..d4e5e7ee500e 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_014_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_014_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_015_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_015_pos.ksh
index 4fdbfce55063..554aad273611 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_015_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_015_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_016_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_016_pos.ksh
index 6058ec1cfe70..fab663cec6a5 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_016_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_016_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_017_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_017_pos.ksh
index dc234636ec6a..63a6eddee8d5 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_017_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_017_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapshot/snapshot_018_pos.ksh b/tests/zfs-tests/tests/functional/snapshot/snapshot_018_pos.ksh
index e9a2fbe5c595..9591b62fdae6 100755
--- a/tests/zfs-tests/tests/functional/snapshot/snapshot_018_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapshot/snapshot_018_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/cleanup.ksh b/tests/zfs-tests/tests/functional/snapused/cleanup.ksh
index 557bfeb213dd..a3b1fe526717 100755
--- a/tests/zfs-tests/tests/functional/snapused/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/snapused/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/setup.ksh b/tests/zfs-tests/tests/functional/snapused/setup.ksh
index c1e02d843a32..fe665108b8c6 100755
--- a/tests/zfs-tests/tests/functional/snapused/setup.ksh
+++ b/tests/zfs-tests/tests/functional/snapused/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/snapused.kshlib b/tests/zfs-tests/tests/functional/snapused/snapused.kshlib
index 043f54d54fd2..d0a178a27335 100644
--- a/tests/zfs-tests/tests/functional/snapused/snapused.kshlib
+++ b/tests/zfs-tests/tests/functional/snapused/snapused.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/snapused_001_pos.ksh b/tests/zfs-tests/tests/functional/snapused/snapused_001_pos.ksh
index 6d33f32d6875..67f498ebe33c 100755
--- a/tests/zfs-tests/tests/functional/snapused/snapused_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapused/snapused_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/snapused_002_pos.ksh b/tests/zfs-tests/tests/functional/snapused/snapused_002_pos.ksh
index c78e7cde39b7..ced4d32edc01 100755
--- a/tests/zfs-tests/tests/functional/snapused/snapused_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapused/snapused_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/snapused_003_pos.ksh b/tests/zfs-tests/tests/functional/snapused/snapused_003_pos.ksh
index 940dc0e7bfc5..83cc592b4651 100755
--- a/tests/zfs-tests/tests/functional/snapused/snapused_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapused/snapused_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/snapused_004_pos.ksh b/tests/zfs-tests/tests/functional/snapused/snapused_004_pos.ksh
index d5f97168bd3c..d814eadcda30 100755
--- a/tests/zfs-tests/tests/functional/snapused/snapused_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapused/snapused_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/snapused/snapused_005_pos.ksh b/tests/zfs-tests/tests/functional/snapused/snapused_005_pos.ksh
index fbf7165e7734..8078c0325d55 100755
--- a/tests/zfs-tests/tests/functional/snapused/snapused_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/snapused/snapused_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/sparse/cleanup.ksh b/tests/zfs-tests/tests/functional/sparse/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/sparse/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/sparse/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/sparse/setup.ksh b/tests/zfs-tests/tests/functional/sparse/setup.ksh
index d617f361b24d..a40bc37b0c1d 100755
--- a/tests/zfs-tests/tests/functional/sparse/setup.ksh
+++ b/tests/zfs-tests/tests/functional/sparse/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/sparse/sparse.cfg b/tests/zfs-tests/tests/functional/sparse/sparse.cfg
index 970dd25177ea..0e4e922adedf 100644
--- a/tests/zfs-tests/tests/functional/sparse/sparse.cfg
+++ b/tests/zfs-tests/tests/functional/sparse/sparse.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/sparse/sparse_001_pos.ksh b/tests/zfs-tests/tests/functional/sparse/sparse_001_pos.ksh
index 3e25af39c08a..2071146cbbad 100755
--- a/tests/zfs-tests/tests/functional/sparse/sparse_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/sparse/sparse_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/stat/cleanup.ksh b/tests/zfs-tests/tests/functional/stat/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/stat/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/stat/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/stat/setup.ksh b/tests/zfs-tests/tests/functional/stat/setup.ksh
index bc74ee62e075..0d40500641c7 100755
--- a/tests/zfs-tests/tests/functional/stat/setup.ksh
+++ b/tests/zfs-tests/tests/functional/stat/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/stat/stat_001_pos.ksh b/tests/zfs-tests/tests/functional/stat/stat_001_pos.ksh
index e167526f4c3d..12a7ff779d76 100755
--- a/tests/zfs-tests/tests/functional/stat/stat_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/stat/stat_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/suid/cleanup.ksh b/tests/zfs-tests/tests/functional/suid/cleanup.ksh
index b1aa351587f1..e03f547208db 100755
--- a/tests/zfs-tests/tests/functional/suid/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/suid/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/suid/setup.ksh b/tests/zfs-tests/tests/functional/suid/setup.ksh
index 96e891a5ba1d..740024153592 100755
--- a/tests/zfs-tests/tests/functional/suid/setup.ksh
+++ b/tests/zfs-tests/tests/functional/suid/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/suid/suid_write_to_none.ksh b/tests/zfs-tests/tests/functional/suid/suid_write_to_none.ksh
index 984dda6a0208..5605e5109a1d 100755
--- a/tests/zfs-tests/tests/functional/suid/suid_write_to_none.ksh
+++ b/tests/zfs-tests/tests/functional/suid/suid_write_to_none.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/suid/suid_write_to_sgid.ksh b/tests/zfs-tests/tests/functional/suid/suid_write_to_sgid.ksh
index 41367e0b136d..7f620a51dcf8 100755
--- a/tests/zfs-tests/tests/functional/suid/suid_write_to_sgid.ksh
+++ b/tests/zfs-tests/tests/functional/suid/suid_write_to_sgid.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/suid/suid_write_to_suid.ksh b/tests/zfs-tests/tests/functional/suid/suid_write_to_suid.ksh
index 77d092227ab1..ae97d94dcbdd 100755
--- a/tests/zfs-tests/tests/functional/suid/suid_write_to_suid.ksh
+++ b/tests/zfs-tests/tests/functional/suid/suid_write_to_suid.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/suid/suid_write_to_suid_sgid.ksh b/tests/zfs-tests/tests/functional/suid/suid_write_to_suid_sgid.ksh
index 51f6775c003f..5ddd4b3515d5 100755
--- a/tests/zfs-tests/tests/functional/suid/suid_write_to_suid_sgid.ksh
+++ b/tests/zfs-tests/tests/functional/suid/suid_write_to_suid_sgid.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/suid/suid_write_zil_replay.ksh b/tests/zfs-tests/tests/functional/suid/suid_write_zil_replay.ksh
index 1d7407000ebf..6ced388ddff0 100755
--- a/tests/zfs-tests/tests/functional/suid/suid_write_zil_replay.ksh
+++ b/tests/zfs-tests/tests/functional/suid/suid_write_zil_replay.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/tmpfile/cleanup.ksh b/tests/zfs-tests/tests/functional/tmpfile/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/tmpfile/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/tmpfile/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/tmpfile/setup.ksh b/tests/zfs-tests/tests/functional/tmpfile/setup.ksh
index 2b38556c9a78..66a4bb991861 100755
--- a/tests/zfs-tests/tests/functional/tmpfile/setup.ksh
+++ b/tests/zfs-tests/tests/functional/tmpfile/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/tmpfile/tmpfile_stat_mode.c b/tests/zfs-tests/tests/functional/tmpfile/tmpfile_stat_mode.c
index 8f936d36de1f..16936d055379 100644
--- a/tests/zfs-tests/tests/functional/tmpfile/tmpfile_stat_mode.c
+++ b/tests/zfs-tests/tests/functional/tmpfile/tmpfile_stat_mode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh b/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh
index 4dba4616e947..8d4340e47bf9 100755
--- a/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh
+++ b/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh b/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh
index e139809105df..1995dbe6fa5c 100755
--- a/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh
+++ b/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh b/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh
index 53de485b1a8e..440f2bd1302a 100755
--- a/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh
+++ b/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/cleanup.ksh b/tests/zfs-tests/tests/functional/trim/cleanup.ksh
index 29d14044a35c..faeefb8e5acd 100755
--- a/tests/zfs-tests/tests/functional/trim/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/trim/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/setup.ksh b/tests/zfs-tests/tests/functional/trim/setup.ksh
index 09489600b3dc..7be2a316a873 100755
--- a/tests/zfs-tests/tests/functional/trim/setup.ksh
+++ b/tests/zfs-tests/tests/functional/trim/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/trim.cfg b/tests/zfs-tests/tests/functional/trim/trim.cfg
index 02dc77ab57e7..49a6fa00ba10 100644
--- a/tests/zfs-tests/tests/functional/trim/trim.cfg
+++ b/tests/zfs-tests/tests/functional/trim/trim.cfg
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/trim.kshlib b/tests/zfs-tests/tests/functional/trim/trim.kshlib
index f36f3870fc4e..75d2ee570776 100644
--- a/tests/zfs-tests/tests/functional/trim/trim.kshlib
+++ b/tests/zfs-tests/tests/functional/trim/trim.kshlib
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/trim/trim_config.ksh b/tests/zfs-tests/tests/functional/trim/trim_config.ksh
index c08b5edb5698..ff569177357b 100755
--- a/tests/zfs-tests/tests/functional/trim/trim_config.ksh
+++ b/tests/zfs-tests/tests/functional/trim/trim_config.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh b/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh
index c67697521ce8..f298f66a44d8 100755
--- a/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh
+++ b/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/trim/trim_l2arc.ksh b/tests/zfs-tests/tests/functional/trim/trim_l2arc.ksh
index fc7824ec6ce5..9b0a4865591c 100755
--- a/tests/zfs-tests/tests/functional/trim/trim_l2arc.ksh
+++ b/tests/zfs-tests/tests/functional/trim/trim_l2arc.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/truncate/cleanup.ksh b/tests/zfs-tests/tests/functional/truncate/cleanup.ksh
index 68b56287ed2b..bf1051212258 100755
--- a/tests/zfs-tests/tests/functional/truncate/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/truncate/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/truncate/setup.ksh b/tests/zfs-tests/tests/functional/truncate/setup.ksh
index 570c94570ef9..45c081fba361 100755
--- a/tests/zfs-tests/tests/functional/truncate/setup.ksh
+++ b/tests/zfs-tests/tests/functional/truncate/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/truncate/truncate.cfg b/tests/zfs-tests/tests/functional/truncate/truncate.cfg
index aca91cda9c64..f0c84dc15360 100644
--- a/tests/zfs-tests/tests/functional/truncate/truncate.cfg
+++ b/tests/zfs-tests/tests/functional/truncate/truncate.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/truncate/truncate_001_pos.ksh b/tests/zfs-tests/tests/functional/truncate/truncate_001_pos.ksh
index 19bf0343e32d..16445e8cafae 100755
--- a/tests/zfs-tests/tests/functional/truncate/truncate_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/truncate/truncate_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/truncate/truncate_002_pos.ksh b/tests/zfs-tests/tests/functional/truncate/truncate_002_pos.ksh
index 17cde7b698ba..59a73ae365ec 100755
--- a/tests/zfs-tests/tests/functional/truncate/truncate_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/truncate/truncate_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/truncate/truncate_timestamps.ksh b/tests/zfs-tests/tests/functional/truncate/truncate_timestamps.ksh
index 3793178701d8..01cc6e040a3b 100755
--- a/tests/zfs-tests/tests/functional/truncate/truncate_timestamps.ksh
+++ b/tests/zfs-tests/tests/functional/truncate/truncate_timestamps.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/upgrade/cleanup.ksh b/tests/zfs-tests/tests/functional/upgrade/cleanup.ksh
index 5cb5fae1f1a3..034ecadc94a4 100755
--- a/tests/zfs-tests/tests/functional/upgrade/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/upgrade/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/upgrade/setup.ksh b/tests/zfs-tests/tests/functional/upgrade/setup.ksh
index 09fb2fbfe9a3..26153aafbc02 100755
--- a/tests/zfs-tests/tests/functional/upgrade/setup.ksh
+++ b/tests/zfs-tests/tests/functional/upgrade/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/upgrade/upgrade_common.kshlib b/tests/zfs-tests/tests/functional/upgrade/upgrade_common.kshlib
index 3e1886428620..f96bc8c9dd55 100644
--- a/tests/zfs-tests/tests/functional/upgrade/upgrade_common.kshlib
+++ b/tests/zfs-tests/tests/functional/upgrade/upgrade_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_001_pos.ksh b/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_001_pos.ksh
index 2c365e37af23..c2397c30cf34 100755
--- a/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_002_pos.ksh b/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_002_pos.ksh
index fe837435190c..979f061c1422 100755
--- a/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/upgrade/upgrade_projectquota_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/upgrade/upgrade_readonly_pool.ksh b/tests/zfs-tests/tests/functional/upgrade/upgrade_readonly_pool.ksh
index 750620e6d450..d6bd69b7e134 100755
--- a/tests/zfs-tests/tests/functional/upgrade/upgrade_readonly_pool.ksh
+++ b/tests/zfs-tests/tests/functional/upgrade/upgrade_readonly_pool.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/upgrade/upgrade_userobj_001_pos.ksh b/tests/zfs-tests/tests/functional/upgrade/upgrade_userobj_001_pos.ksh
index d4ad8df85242..dd50dc4b5c18 100755
--- a/tests/zfs-tests/tests/functional/upgrade/upgrade_userobj_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/upgrade/upgrade_userobj_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/cleanup.ksh b/tests/zfs-tests/tests/functional/user_namespace/cleanup.ksh
index 4895aa23ee4a..5e73dd34936e 100755
--- a/tests/zfs-tests/tests/functional/user_namespace/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/user_namespace/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/setup.ksh b/tests/zfs-tests/tests/functional/user_namespace/setup.ksh
index bf6bc8399fd1..a9d00b3d10f8 100755
--- a/tests/zfs-tests/tests/functional/user_namespace/setup.ksh
+++ b/tests/zfs-tests/tests/functional/user_namespace/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/user_namespace.cfg b/tests/zfs-tests/tests/functional/user_namespace/user_namespace.cfg
index ca94fc4a7ea0..316d07438a7a 100644
--- a/tests/zfs-tests/tests/functional/user_namespace/user_namespace.cfg
+++ b/tests/zfs-tests/tests/functional/user_namespace/user_namespace.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_001.ksh b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_001.ksh
index d79828a36e9e..95411eae4dd0 100755
--- a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_001.ksh
+++ b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_001.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_002.ksh b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_002.ksh
index cfc478cd3592..209be9f771a3 100755
--- a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_002.ksh
+++ b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_002.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_003.ksh b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_003.ksh
index 6a746c6d33f6..9932baf5363b 100755
--- a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_003.ksh
+++ b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_003.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_004.ksh b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_004.ksh
index e6ad25f23f93..a070854bf351 100755
--- a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_004.ksh
+++ b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_004.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_common.kshlib b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_common.kshlib
index e9f1d7c5bd5e..f0f22ef7507a 100644
--- a/tests/zfs-tests/tests/functional/user_namespace/user_namespace_common.kshlib
+++ b/tests/zfs-tests/tests/functional/user_namespace/user_namespace_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/cleanup.ksh b/tests/zfs-tests/tests/functional/userquota/cleanup.ksh
index 8af203eabde5..3203a57c27e9 100755
--- a/tests/zfs-tests/tests/functional/userquota/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/groupspace_001_pos.ksh b/tests/zfs-tests/tests/functional/userquota/groupspace_001_pos.ksh
index d6e01fa5c6ea..4907967ba3be 100755
--- a/tests/zfs-tests/tests/functional/userquota/groupspace_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/groupspace_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/groupspace_002_pos.ksh b/tests/zfs-tests/tests/functional/userquota/groupspace_002_pos.ksh
index 1885986aecc7..c9931d64662d 100755
--- a/tests/zfs-tests/tests/functional/userquota/groupspace_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/groupspace_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/groupspace_003_pos.ksh b/tests/zfs-tests/tests/functional/userquota/groupspace_003_pos.ksh
index 111187057b83..6a413835cf89 100755
--- a/tests/zfs-tests/tests/functional/userquota/groupspace_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/groupspace_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/setup.ksh b/tests/zfs-tests/tests/functional/userquota/setup.ksh
index 79507504711c..52a1793c63b6 100755
--- a/tests/zfs-tests/tests/functional/userquota/setup.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota.cfg b/tests/zfs-tests/tests/functional/userquota/userquota.cfg
index 75ecdc309fe8..37e658dd9695 100644
--- a/tests/zfs-tests/tests/functional/userquota/userquota.cfg
+++ b/tests/zfs-tests/tests/functional/userquota/userquota.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_001_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_001_pos.ksh
index dcd4d5d76ded..9cb6aa1dde90 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_002_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_002_pos.ksh
index 9df0dd539a38..d2c9ac6433e4 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_003_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_003_pos.ksh
index 99b99874edfa..35c84b1a2736 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_004_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_004_pos.ksh
index f7b87de2093b..f47592be38fd 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_005_neg.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_005_neg.ksh
index bcdd12021fa7..f330877301aa 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_006_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_006_pos.ksh
index 422702cccbe1..679369bb77cc 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_007_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_007_pos.ksh
index ccf4035f87f8..c34d1309a948 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_008_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_008_pos.ksh
index 368399aec50c..6415f07c520c 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_009_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_009_pos.ksh
index 541a6318430a..05134fac27b9 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_009_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_009_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_010_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_010_pos.ksh
index e025802196f6..15f3376705d6 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_010_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_010_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_011_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_011_pos.ksh
index 63b4a491758a..7e232053bba9 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_012_neg.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_012_neg.ksh
index b6d24f6ed75e..4e4e8e3c489e 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_012_neg.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_012_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_013_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userquota_013_pos.ksh
index 6938fcc5a032..91ea6560c07c 100755
--- a/tests/zfs-tests/tests/functional/userquota/userquota_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userquota_common.kshlib b/tests/zfs-tests/tests/functional/userquota/userquota_common.kshlib
index 6599d89973f7..87e94ac20281 100644
--- a/tests/zfs-tests/tests/functional/userquota/userquota_common.kshlib
+++ b/tests/zfs-tests/tests/functional/userquota/userquota_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userspace_001_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userspace_001_pos.ksh
index 4f38744a686a..c96f8626d519 100755
--- a/tests/zfs-tests/tests/functional/userquota/userspace_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userspace_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userspace_002_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userspace_002_pos.ksh
index e4889e5e4ee9..92c8d976d80a 100755
--- a/tests/zfs-tests/tests/functional/userquota/userspace_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userspace_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userspace_003_pos.ksh b/tests/zfs-tests/tests/functional/userquota/userspace_003_pos.ksh
index 1d36d515b56e..3c53674b997c 100755
--- a/tests/zfs-tests/tests/functional/userquota/userspace_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userspace_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/userquota/userspace_encrypted.ksh b/tests/zfs-tests/tests/functional/userquota/userspace_encrypted.ksh
index e55902237897..5df5e1d65c03 100755
--- a/tests/zfs-tests/tests/functional/userquota/userspace_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userspace_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/userquota/userspace_encrypted_13709.ksh b/tests/zfs-tests/tests/functional/userquota/userspace_encrypted_13709.ksh
index 9c1d847756d1..0856406e821d 100755
--- a/tests/zfs-tests/tests/functional/userquota/userspace_encrypted_13709.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userspace_encrypted_13709.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/userquota/userspace_send_encrypted.ksh b/tests/zfs-tests/tests/functional/userquota/userspace_send_encrypted.ksh
index a9ff05174773..d772471a79f7 100755
--- a/tests/zfs-tests/tests/functional/userquota/userspace_send_encrypted.ksh
+++ b/tests/zfs-tests/tests/functional/userquota/userspace_send_encrypted.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/vdev_disk/page_alignment.c b/tests/zfs-tests/tests/functional/vdev_disk/page_alignment.c
index 7b926da6c01c..2d8dad8ef986 100644
--- a/tests/zfs-tests/tests/functional/vdev_disk/page_alignment.c
+++ b/tests/zfs-tests/tests/functional/vdev_disk/page_alignment.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/cleanup.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/cleanup.ksh
index 6c911198c40f..33a924a4a106 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/setup.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/setup.ksh
index b52cf92cf370..7a1fe77d79c3 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/setup.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps.kshlib b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps.kshlib
index c68a5b2c4c83..fcb7713ca66c 100644
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps.kshlib
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_001_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_001_pos.ksh
index bdc8dcd468ae..89aa88da0ed0 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_002_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_002_pos.ksh
index 35c4f64fa463..83b70047eb86 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_003_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_003_pos.ksh
index bb6875c339c3..2a8b02d570a0 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_003_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_004_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_004_pos.ksh
index e82e398c6d27..3643e3c3f2d4 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh
index 4b9b45e149d7..d99207942e7d 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_006_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_006_pos.ksh
index 2ac493b8b0d2..078d1e1c1379 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_007_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_007_pos.ksh
index c7a4a62de436..4c70149fa397 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_007_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_007_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/functional/write_dirs/cleanup.ksh b/tests/zfs-tests/tests/functional/write_dirs/cleanup.ksh
index 760356108f58..1990d8555dfb 100755
--- a/tests/zfs-tests/tests/functional/write_dirs/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/write_dirs/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/write_dirs/setup.ksh b/tests/zfs-tests/tests/functional/write_dirs/setup.ksh
index a74087f9f505..57b2522ac82b 100755
--- a/tests/zfs-tests/tests/functional/write_dirs/setup.ksh
+++ b/tests/zfs-tests/tests/functional/write_dirs/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/write_dirs/write_dirs_001_pos.ksh b/tests/zfs-tests/tests/functional/write_dirs/write_dirs_001_pos.ksh
index 3b6801288593..2552280fb6f6 100755
--- a/tests/zfs-tests/tests/functional/write_dirs/write_dirs_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/write_dirs/write_dirs_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/write_dirs/write_dirs_002_pos.ksh b/tests/zfs-tests/tests/functional/write_dirs/write_dirs_002_pos.ksh
index fc7dac0a6085..9f107c19eefc 100755
--- a/tests/zfs-tests/tests/functional/write_dirs/write_dirs_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/write_dirs/write_dirs_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/cleanup.ksh b/tests/zfs-tests/tests/functional/xattr/cleanup.ksh
index 83837aebe473..c144de2889f2 100755
--- a/tests/zfs-tests/tests/functional/xattr/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/setup.ksh b/tests/zfs-tests/tests/functional/xattr/setup.ksh
index e7c1f64c5f32..aa128762b85b 100755
--- a/tests/zfs-tests/tests/functional/xattr/setup.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr.cfg b/tests/zfs-tests/tests/functional/xattr/xattr.cfg
index 9b4c0ef9ca0e..94f151a007fe 100644
--- a/tests/zfs-tests/tests/functional/xattr/xattr.cfg
+++ b/tests/zfs-tests/tests/functional/xattr/xattr.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_001_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_001_pos.ksh
index 447f230ba18a..575817e5a244 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_002_neg.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_002_neg.ksh
index 50062ed35e92..1664c5d5b6f5 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_002_neg.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_002_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_003_neg.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_003_neg.ksh
index 6c8b895f841f..8d4ba54846b6 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_004_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_004_pos.ksh
index cd7840843971..bf56f0d62c7f 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_005_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_005_pos.ksh
index 80470e8735b7..27dccc01c2a2 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_006_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_006_pos.ksh
index 138302d970c3..8dc3033c03f1 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_007_neg.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_007_neg.ksh
index 3a6897312651..0a247d627778 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_007_neg.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_007_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_008_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_008_pos.ksh
index bf05c681f4eb..4ddd569e52f1 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_008_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_008_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_009_neg.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_009_neg.ksh
index ae8cb599d9da..0101eb314d45 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_009_neg.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_009_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_010_neg.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_010_neg.ksh
index f0bb9f6dd29a..76d001593568 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_010_neg.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_010_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_011_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_011_pos.ksh
index 0cb2f8ac5111..5ee9848f3576 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_011_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_011_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_012_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_012_pos.ksh
index 14f109b32bd5..5940640ac827 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_012_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_012_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_013_pos.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_013_pos.ksh
index 5420d1943106..4af9edd01dc0 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_013_pos.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_013_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_common.kshlib b/tests/zfs-tests/tests/functional/xattr/xattr_common.kshlib
index b50f21c13827..f84a97bc684a 100644
--- a/tests/zfs-tests/tests/functional/xattr/xattr_common.kshlib
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/xattr/xattr_compat.ksh b/tests/zfs-tests/tests/functional/xattr/xattr_compat.ksh
index c153fb3813d6..961a8c857d27 100755
--- a/tests/zfs-tests/tests/functional/xattr/xattr_compat.ksh
+++ b/tests/zfs-tests/tests/functional/xattr/xattr_compat.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zap_shrink/cleanup.ksh b/tests/zfs-tests/tests/functional/zap_shrink/cleanup.ksh
index 42fe70042d6a..e3ffdadf5a42 100755
--- a/tests/zfs-tests/tests/functional/zap_shrink/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/zap_shrink/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zap_shrink/setup.ksh b/tests/zfs-tests/tests/functional/zap_shrink/setup.ksh
index b756d4e76c83..5c28fed40c73 100755
--- a/tests/zfs-tests/tests/functional/zap_shrink/setup.ksh
+++ b/tests/zfs-tests/tests/functional/zap_shrink/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zap_shrink/zap_shrink_001_pos.ksh b/tests/zfs-tests/tests/functional/zap_shrink/zap_shrink_001_pos.ksh
index 4dbf579b8ac7..84b7446d62da 100755
--- a/tests/zfs-tests/tests/functional/zap_shrink/zap_shrink_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zap_shrink/zap_shrink_001_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zpool_influxdb/cleanup.ksh b/tests/zfs-tests/tests/functional/zpool_influxdb/cleanup.ksh
index a8cd2e4b611f..5988a6c78970 100755
--- a/tests/zfs-tests/tests/functional/zpool_influxdb/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/zpool_influxdb/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zpool_influxdb/setup.ksh b/tests/zfs-tests/tests/functional/zpool_influxdb/setup.ksh
index 43f2c8c20b29..f27199d0ccdd 100755
--- a/tests/zfs-tests/tests/functional/zpool_influxdb/setup.ksh
+++ b/tests/zfs-tests/tests/functional/zpool_influxdb/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zpool_influxdb/zpool_influxdb.ksh b/tests/zfs-tests/tests/functional/zpool_influxdb/zpool_influxdb.ksh
index 61a85c50280a..859cb71c920b 100755
--- a/tests/zfs-tests/tests/functional/zpool_influxdb/zpool_influxdb.ksh
+++ b/tests/zfs-tests/tests/functional/zpool_influxdb/zpool_influxdb.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol.cfg b/tests/zfs-tests/tests/functional/zvol/zvol.cfg
index 65ad02ddb76f..c19dc5d09f8a 100644
--- a/tests/zfs-tests/tests/functional/zvol/zvol.cfg
+++ b/tests/zfs-tests/tests/functional/zvol/zvol.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/cleanup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/cleanup.ksh
index 6488ad63e6f0..96f4b0ed81b1 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/setup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/setup.ksh
index 49603d15be9c..7134c769ded2 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/setup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC.cfg b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC.cfg
index bbafacff72a8..083bc5a7b8d2 100644
--- a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC.cfg
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC_001_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC_001_pos.ksh
index 47a5eb9277f4..3e4dc0e93203 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/zvol_ENOSPC_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_cli/cleanup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_cli/cleanup.ksh
index 29af4a43ff78..dce45fac1d5b 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_cli/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_cli/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_cli/setup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_cli/setup.ksh
index 14da78868cc4..682a0f711a24 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_cli/setup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_cli/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli.cfg b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli.cfg
index bbafacff72a8..083bc5a7b8d2 100644
--- a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli.cfg
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_001_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_001_pos.ksh
index 1bc76517eaef..2a9bf4ddf113 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_002_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_002_pos.ksh
index 22152e2ae1d8..69b4dc7cef6c 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_003_neg.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_003_neg.ksh
index fa588c6b5f8d..e1a0c3775083 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_cli/zvol_cli_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_common.shlib b/tests/zfs-tests/tests/functional/zvol/zvol_common.shlib
index 29ac84d6d151..c3069d681d6a 100644
--- a/tests/zfs-tests/tests/functional/zvol/zvol_common.shlib
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_common.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/cleanup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/cleanup.ksh
index c6296275503c..25fa79001da3 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/setup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/setup.ksh
index e08f058fb2d6..2362cbb552c9 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/setup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_001_neg.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_001_neg.ksh
index 6a9d2d685668..859d954061cd 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_001_neg.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_001_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_002_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_002_pos.ksh
index 5b89eb7806b9..4a7946a140d9 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_003_neg.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_003_neg.ksh
index c7db9ed14a5f..b9b9bac693bf 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_003_neg.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_003_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh
index c335b869f9bf..f0767767a4a2 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_005_neg.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_005_neg.ksh
index 456008ded021..1e67d0de287c 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_005_neg.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_005_neg.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_006_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_006_pos.ksh
index 62f4adf64235..4958a315e10d 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_common.kshlib b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_common.kshlib
index 93355d0b3ded..e305ce491016 100644
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_common.kshlib
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_common.kshlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_fua.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_fua.ksh
index 9ebd5b149118..a519d9d05f28 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_fua.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_fua.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_hierarchy.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_hierarchy.ksh
index 1431f0b1f1f0..6d66154c9560 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_hierarchy.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_hierarchy.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_rename_inuse.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_rename_inuse.ksh
index e9b7bbc4c4a5..a9ab51c19231 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_rename_inuse.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_rename_inuse.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_snapdev.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_snapdev.ksh
index af780b628ce4..3d8868db68ab 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_snapdev.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_snapdev.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_trim.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_trim.ksh
index 47cc42b9be7d..b8e46a3ff40d 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_trim.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_trim.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_volmode.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_volmode.ksh
index 05287674da66..505ef701c116 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_volmode.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_volmode.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_zil.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_zil.ksh
index 16b22150b3e8..07c1ad345239 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_zil.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_zil.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_stress/cleanup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_stress/cleanup.ksh
index a0555aff06c2..aaa353d4cf24 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_stress/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_stress/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_stress/setup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_stress/setup.ksh
index 2abf3411fd07..656e2dd64a70 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_stress/setup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_stress/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_stress/zvol_stress.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_stress/zvol_stress.ksh
index 3431d33d97d0..36cb5760a060 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_stress/zvol_stress.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_stress/zvol_stress.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/cleanup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/cleanup.ksh
index 0befaf15ef8e..d8beef718a3e 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/cleanup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/cleanup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/setup.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/setup.ksh
index b837211aaebd..64f146c6e84a 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/setup.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap.cfg b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap.cfg
index b25ce80c20d5..47d2f343ad85 100644
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap.cfg
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_001_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_001_pos.ksh
index 3f4cb928529e..1f555e22cf40 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_001_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_001_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_002_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_002_pos.ksh
index 8e4a983c7cf3..7131a8da80c0 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_002_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_002_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_003_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_003_pos.ksh
index 8a58a1f4be60..3d52bef1ddce 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_003_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_003_pos.ksh
@@ -1,4 +1,5 @@
 #! /bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_004_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_004_pos.ksh
index a4f24bf5b807..5d6a52d6990f 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_004_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_004_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_005_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_005_pos.ksh
index 021c0e3c2761..7564edd8946a 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_005_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_006_pos.ksh b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_006_pos.ksh
index 4a519e6b7547..05982eb748c1 100755
--- a/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_006_pos.ksh
+++ b/tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_006_pos.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
 #
 # CDDL HEADER START
 #
diff --git a/tests/zfs-tests/tests/perf/fio/mkfiles.fio b/tests/zfs-tests/tests/perf/fio/mkfiles.fio
index 36ec22d49295..e2bbb24a7370 100644
--- a/tests/zfs-tests/tests/perf/fio/mkfiles.fio
+++ b/tests/zfs-tests/tests/perf/fio/mkfiles.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/fio/random_reads.fio b/tests/zfs-tests/tests/perf/fio/random_reads.fio
index e6e7034e0acb..8be520db3c14 100644
--- a/tests/zfs-tests/tests/perf/fio/random_reads.fio
+++ b/tests/zfs-tests/tests/perf/fio/random_reads.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/fio/random_readwrite.fio b/tests/zfs-tests/tests/perf/fio/random_readwrite.fio
index f8eb6dbdfe4f..7a8501aa9dc0 100644
--- a/tests/zfs-tests/tests/perf/fio/random_readwrite.fio
+++ b/tests/zfs-tests/tests/perf/fio/random_readwrite.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/fio/random_readwrite_fixed.fio b/tests/zfs-tests/tests/perf/fio/random_readwrite_fixed.fio
index e83b48076d0d..413c966bb7eb 100644
--- a/tests/zfs-tests/tests/perf/fio/random_readwrite_fixed.fio
+++ b/tests/zfs-tests/tests/perf/fio/random_readwrite_fixed.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/fio/random_writes.fio b/tests/zfs-tests/tests/perf/fio/random_writes.fio
index 3b84b199438f..663586d5f2b6 100644
--- a/tests/zfs-tests/tests/perf/fio/random_writes.fio
+++ b/tests/zfs-tests/tests/perf/fio/random_writes.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/fio/sequential_reads.fio b/tests/zfs-tests/tests/perf/fio/sequential_reads.fio
index b4b45e084135..1b0aa77a5389 100644
--- a/tests/zfs-tests/tests/perf/fio/sequential_reads.fio
+++ b/tests/zfs-tests/tests/perf/fio/sequential_reads.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/fio/sequential_readwrite.fio b/tests/zfs-tests/tests/perf/fio/sequential_readwrite.fio
index 2037ba2f67c5..2f3c8fba18b3 100644
--- a/tests/zfs-tests/tests/perf/fio/sequential_readwrite.fio
+++ b/tests/zfs-tests/tests/perf/fio/sequential_readwrite.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/fio/sequential_writes.fio b/tests/zfs-tests/tests/perf/fio/sequential_writes.fio
index 4582c818815a..c05325c806f9 100644
--- a/tests/zfs-tests/tests/perf/fio/sequential_writes.fio
+++ b/tests/zfs-tests/tests/perf/fio/sequential_writes.fio
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/nfs-sample.cfg b/tests/zfs-tests/tests/perf/nfs-sample.cfg
index f7ac2dae3500..e1b7f7f6967d 100644
--- a/tests/zfs-tests/tests/perf/nfs-sample.cfg
+++ b/tests/zfs-tests/tests/perf/nfs-sample.cfg
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/perf.shlib b/tests/zfs-tests/tests/perf/perf.shlib
index 5555e910d722..4c6eecd10b89 100644
--- a/tests/zfs-tests/tests/perf/perf.shlib
+++ b/tests/zfs-tests/tests/perf/perf.shlib
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: CDDL-1.0
 #
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/regression/random_reads.ksh b/tests/zfs-tests/tests/perf/regression/random_reads.ksh
index 0c73df67935c..4241cd3617a5 100755
--- a/tests/zfs-tests/tests/perf/regression/random_reads.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_reads.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh b/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh
index e0626c0b42f3..370a9e068f1c 100755
--- a/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_readwrite.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/random_readwrite_fixed.ksh b/tests/zfs-tests/tests/perf/regression/random_readwrite_fixed.ksh
index afaffb9e648f..fda19dd0c5ff 100755
--- a/tests/zfs-tests/tests/perf/regression/random_readwrite_fixed.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_readwrite_fixed.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 # This file and its contents are supplied under the terms of the
 # Common Development and Distribution License ("CDDL"), version 1.0.
diff --git a/tests/zfs-tests/tests/perf/regression/random_writes.ksh b/tests/zfs-tests/tests/perf/regression/random_writes.ksh
index 06061a9b7462..a3d4de3ab06a 100755
--- a/tests/zfs-tests/tests/perf/regression/random_writes.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_writes.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/random_writes_zil.ksh b/tests/zfs-tests/tests/perf/regression/random_writes_zil.ksh
index 7e5a741137d6..cad99318db2c 100755
--- a/tests/zfs-tests/tests/perf/regression/random_writes_zil.ksh
+++ b/tests/zfs-tests/tests/perf/regression/random_writes_zil.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh
index cc6d17245239..33cbea6b16a5 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_reads.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh
index ee14f2ce7807..5176452d1607 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached_clone.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached_clone.ksh
index 2cc81d5cd341..4d5972cd0c64 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached_clone.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached_clone.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads_dbuf_cached.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads_dbuf_cached.ksh
index 9a244324a751..d888f00b6a5b 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_reads_dbuf_cached.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_reads_dbuf_cached.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh b/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh
index a51655cc3719..030267eae512 100755
--- a/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh
+++ b/tests/zfs-tests/tests/perf/regression/sequential_writes.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/regression/setup.ksh b/tests/zfs-tests/tests/perf/regression/setup.ksh
index 68be00d4a63c..e5d8f5726527 100755
--- a/tests/zfs-tests/tests/perf/regression/setup.ksh
+++ b/tests/zfs-tests/tests/perf/regression/setup.ksh
@@ -1,4 +1,5 @@
 #!/bin/ksh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/tests/zfs-tests/tests/perf/scripts/prefetch_io.sh b/tests/zfs-tests/tests/perf/scripts/prefetch_io.sh
index bc2bb11aefa6..f300fa2d9dad 100755
--- a/tests/zfs-tests/tests/perf/scripts/prefetch_io.sh
+++ b/tests/zfs-tests/tests/perf/scripts/prefetch_io.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: CDDL-1.0
 
 #
 # This file and its contents are supplied under the terms of the
diff --git a/udev/zvol_id.c b/udev/zvol_id.c
index 0d1da9956749..7b7883a0c74f 100644
--- a/udev/zvol_id.c
+++ b/udev/zvol_id.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: CDDL-1.0
 /*
  * CDDL HEADER START
  *