add fuzz test for (signature) decoding

istvan-andrasi · Apr 15, 2022 · 3146f5b · 3146f5b
1 parent 582a427
commit 3146f5b
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diff --git a/proto_fuzz_test.go b/proto_fuzz_test.go
@@ -0,0 +1,25 @@
+//go:build go1.18
+// +build go1.18
+
+package dbus
+
+import (
+	"bytes"
+	"encoding/binary"
+	"testing"
+)
+
+func FuzzProto(f *testing.F) {
+	for _, t := range protoTests {
+		f.Add(t.bigEndian, SignatureOf(t.vs...).str)
+		f.Add(t.littleEndian, SignatureOf(t.vs...).str)
+	}
+	f.Fuzz(func(t *testing.T, buf []byte, sigStr string) {
+		sig, err := ParseSignature(sigStr)
+		if err != nil {
+			return
+		}
+		bigDec := newDecoder(bytes.NewReader(buf), binary.BigEndian, make([]int, 0))
+		_, _ = bigDec.Decode(sig)
+	})
+}
diff --git a/testdata/fuzz/FuzzProto/55fb6653b98fd09c839000a246acaabd9bd977bd526d7bb79ff949d848716fb6 b/testdata/fuzz/FuzzProto/55fb6653b98fd09c839000a246acaabd9bd977bd526d7bb79ff949d848716fb6
@@ -0,0 +1,3 @@
+go test fuzz v1
+[]byte("0")
+string("a{}")