Re: [PATCH] rtlwifi: rtl8192de: Fully initialize curvecount_val
From: Kalle Valo
Date: Tue Jun 22 2021 - 11:25:07 EST
Kees Cook <keescook@xxxxxxxxxxxx> wrote:
> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy(), memmove(), and memset(), avoid
> intentionally writing across neighboring array fields.
>
> The size argument to memset() is bytes, but the array element size
> of curvecount_val is u32, so "CV_CURVE_CNT * 2" was only 1/4th of the
> contents of curvecount_val. Adjust memset() to wipe full buffer size.
>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Reviewed-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
0d5e743db480 rtlwifi: rtl8192de: Fully initialize curvecount_val
--
https://patchwork.kernel.org/project/linux-wireless/patch/20210617171317.3410722-1-keescook@xxxxxxxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches