[PATCH] video: fbdev: mmp: Annotate struct mmphw_ctrl with __counted_by

Helge Deller deller at gmx.de
Sat Sep 23 18:37:16 UTC 2023


On 9/23/23 18:33, Gustavo A. R. Silva wrote:
> On 9/22/23 11:51, Kees Cook wrote:
>> Prepare for the coming implementation by GCC and Clang of the __counted_by
>> attribute. Flexible array members annotated with __counted_by can have
>> their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
>> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
>> functions).
>>
>> As found with Coccinelle[1], add __counted_by for struct mmphw_ctrl.
>>
>> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
>>
>> Cc: Helge Deller <deller at gmx.de>
>> Cc: linux-fbdev at vger.kernel.org
>> Cc: dri-devel at lists.freedesktop.org
>> Signed-off-by: Kees Cook <keescook at chromium.org>
>
> Reviewed-by: Gustavo A. R. Silva <gustavoars at kernel.org>

Both fbdev patches applied to fbdev git tree.

Thank you Kees!

Helge


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