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(parent: fc525d6) | patch
fortify: Fix incorrect reporting of read buffer size
authorKees Cook <kees@kernel.org>
Tue, 29 Jul 2025 23:18:25 +0000 (16:18 -0700)
committerKees Cook <kees@kernel.org>
Wed, 30 Jul 2025 00:19:29 +0000 (17:19 -0700)
commit94fd44648dae2a5b6149a41faa0b07928c3e1963
tree90899452e898a084b82417c0ea8598cc89429f44tree
parentfc525d625a22c2179877955ee87e33f532b0674ccommit | diff
fortify: Fix incorrect reporting of read buffer size

When FORTIFY_SOURCE reports about a run-time buffer overread, the wrong
buffer size was being shown in the error message. (The bounds checking
was correct.)

Fixes: 3d965b33e40d ("fortify: Improve buffer overflow reporting")
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20250729231817.work.023-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
include/linux/fortify-string.h diff | blob | blame | history
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