simple tcache dup no longer works in new glibc_2.27

shellphish · Mar 29, 2021 · 4be5e74 · 4be5e74
1 parent 817fe1b
commit 4be5e74
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diff --git a/Makefile b/Makefile
@@ -1,6 +1,6 @@
 BASE = malloc_playground first_fit calc_tcache_idx
 V2.23 = glibc_2.23/fastbin_dup_into_stack glibc_2.23/fastbin_dup_consolidate glibc_2.23/unsafe_unlink glibc_2.23/house_of_spirit glibc_2.23/poison_null_byte glibc_2.23/house_of_lore glibc_2.23/overlapping_chunks glibc_2.23/overlapping_chunks_2 glibc_2.23/house_of_force glibc_2.23/large_bin_attack glibc_2.23/unsorted_bin_attack glibc_2.23/unsorted_bin_into_stack glibc_2.23/house_of_einherjar glibc_2.23/house_of_orange glibc_2.23/house_of_roman glibc_2.23/mmap_overlapping_chunks glibc_2.23/fastbin_dup glibc_2.23/house_of_mind_fastbin
-V2.27 = glibc_2.27/unsafe_unlink glibc_2.27/house_of_lore glibc_2.27/overlapping_chunks glibc_2.27/large_bin_attack glibc_2.27/unsorted_bin_attack glibc_2.27/unsorted_bin_into_stack glibc_2.27/house_of_einherjar glibc_2.27/tcache_dup glibc_2.27/tcache_poisoning glibc_2.27/tcache_house_of_spirit glibc_2.27/house_of_botcake glibc_2.27/tcache_stashing_unlink_attack glibc_2.27/fastbin_reverse_into_tcache glibc_2.27/mmap_overlapping_chunks glibc_2.27/fastbin_dup glibc_2.27/house_of_force glibc_2.27/poison_null_byte glibc_2.27/house_of_mind_fastbin
+V2.27 = glibc_2.27/unsafe_unlink glibc_2.27/house_of_lore glibc_2.27/overlapping_chunks glibc_2.27/large_bin_attack glibc_2.27/unsorted_bin_attack glibc_2.27/unsorted_bin_into_stack glibc_2.27/house_of_einherjar glibc_2.27/tcache_poisoning glibc_2.27/tcache_house_of_spirit glibc_2.27/house_of_botcake glibc_2.27/tcache_stashing_unlink_attack glibc_2.27/fastbin_reverse_into_tcache glibc_2.27/mmap_overlapping_chunks glibc_2.27/fastbin_dup glibc_2.27/house_of_force glibc_2.27/poison_null_byte glibc_2.27/house_of_mind_fastbin
 V2.31 = glibc_2.31/unsafe_unlink glibc_2.31/overlapping_chunks glibc_2.31/house_of_einherjar glibc_2.31/tcache_poisoning glibc_2.31/tcache_house_of_spirit glibc_2.31/house_of_botcake glibc_2.31/tcache_stashing_unlink_attack glibc_2.31/fastbin_reverse_into_tcache glibc_2.31/mmap_overlapping_chunks glibc_2.31/fastbin_dup glibc_2.31/large_bin_attack glibc_2.31/house_of_mind_fastbin # glibc_2.31/house_of_lore
 PROGRAMS = $(BASE) $(V2.23) $(V2.27) $(V2.31)
 CFLAGS += -std=c99 -g

diff --git a/glibc_2.27/tcache_dup.c → obsolete/glibc_2.27/tcache_dup.c b/glibc_2.27/tcache_dup.c → obsolete/glibc_2.27/tcache_dup.c