[PATCH][next] drm/gud: Use size_add() in call to struct_size()

Kees Cook keescook at chromium.org
Fri Sep 29 19:15:00 UTC 2023


On Fri, 15 Sep 2023 12:43:20 -0600, Gustavo A. R. Silva wrote:
> If, for any reason, the open-coded arithmetic causes a wraparound, the
> protection that `struct_size()` adds against potential integer overflows
> is defeated. Fix this by hardening call to `struct_size()` with `size_add()`.
> 
> 

Applied to for-next/hardening, thanks!

[1/1] drm/gud: Use size_add() in call to struct_size()
      https://git.kernel.org/kees/c/836ccb46073e

Take care,

-- 
Kees Cook



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