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| author |   Kees Cook <keescook@chromium.org> | 2022-09-26 17:39:27 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-30 14:37:10 +0200 |
| commit | 7cd04013fbf3e6dcb67ca6b59aa813269a2ad9ce (patch) | |
| tree | 8596ba4c18a16f6335313ad70312fab33c94c362 /include/uapi/linux | |
| parent | spmi: pmic-arb: increase SPMI transaction timeout delay (diff) | |
| download | linux-dev-7cd04013fbf3e6dcb67ca6b59aa813269a2ad9ce.tar.xz linux-dev-7cd04013fbf3e6dcb67ca6b59aa813269a2ad9ce.zip | |
w1: Split memcpy() of struct cn_msg flexible array
To work around a misbehavior of the compiler's ability to see into
composite flexible array structs (as detailed in the coming memcpy()
hardening series[1]), split the memcpy() of the header and the payload
so no false positive run-time overflow warning will be generated.
[1] https://lore.kernel.org/linux-hardening/20220901065914.1417829-2-keescook@chromium.org/
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20220927003927.1942170-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/linux')
0 files changed, 0 insertions, 0 deletions