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overflow: Clarify expectations for getting DEFINE_FLEX variable sizes
authorKees Cook <kees@kernel.org>
Wed, 16 Apr 2025 17:29:15 +0000 (10:29 -0700)
committerKees Cook <kees@kernel.org>
Mon, 28 Apr 2025 17:32:43 +0000 (10:32 -0700)
commit9a93048476e7cbdde00cdeebe66b6504995eac92
tree8713b054a3552c486cadbf0f0efc5144b47998eetree
parenta510c186abfc870e5c74cf953b646c8a2c07bee1commit | diff
overflow: Clarify expectations for getting DEFINE_FLEX variable sizes

Mention the use of __member_size() for DEFINE_FLEX variables as a hint
for getting at the compile-time size of the resulting flexible array
member.

Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20250416172911.work.854-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
include/linux/overflow.h diff | blob | history
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