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linux/lib/zstd
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Nick Terrell 77618db346 zstd: Fix array-index-out-of-bounds UBSAN warning 
Zstd used an array of length 1 to mean a flexible array for C89
compatibility. Switch to a C99 flexible array to fix the UBSAN warning.

Tested locally by booting the kernel and writing to and reading from a
BtrFS filesystem with zstd compression enabled. I was unable to reproduce
the issue before the fix, however it is a trivial change.

Link: https://lkml.kernel.org/r/20231012213428.1390905-1-nickrterrell@gmail.com
Reported-by: syzbot+1f2eb3e8cd123ffce499@syzkaller.appspotmail.com
Reported-by: Eric Biggers <ebiggers@kernel.org>
Reported-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Nick Terrell <terrelln@fb.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
2023-11-14 17:12:52 -08:00
..
common zstd: Fix array-index-out-of-bounds UBSAN warning 2023-11-14 17:12:52 -08:00
compress zstd: import usptream v1.5.2 2022-10-24 12:12:32 -07:00
decompress lib: zstd: Backport fix for in-place decompression 2023-03-06 15:51:44 -08:00
decompress_sources.h zstd: import usptream v1.5.2 2022-10-24 12:12:32 -07:00
Makefile zstd: Move zstd-common module exports to zstd_common_module.c 2022-10-24 12:12:26 -07:00
zstd_common_module.c zstd: Move zstd-common module exports to zstd_common_module.c 2022-10-24 12:12:26 -07:00
zstd_compress_module.c zstd: import usptream v1.5.2 2022-10-24 12:12:32 -07:00
zstd_decompress_module.c