[PATCH] wcn36xx: Avoid memset() beyond end of struct field

Kalle Valo kvalo at codeaurora.org
Tue Jun 22 08:28:44 PDT 2021


Kees Cook <keescook at chromium.org> wrote:

> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memset(), avoid intentionally writing across
> neighboring array fields.
> 
> Instead of writing past the end of the header to reach the rest of
> the body, replace the redundant function with existing macro to wipe
> struct contents and set field values. Additionally adjusts macro to add
> missing parens.
> 
> Signed-off-by: Kees Cook <keescook at chromium.org>
> Signed-off-by: Kalle Valo <kvalo at codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

d3a1a18ab034 wcn36xx: Avoid memset() beyond end of struct field

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210617171058.3410494-1-keescook@chromium.org/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




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