netdev - Re: ray_cs: Avoid reading past end of buffer

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Date:   Mon, 22 May 2017 15:27:50 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, Daniel Micay <danielmicay@...il.com>
Subject: Re: ray_cs: Avoid reading past end of buffer

Kees Cook <keescook@...omium.org> wrote:
> Using memcpy() from a buffer that is shorter than the length copied means
> the destination buffer is being filled with arbitrary data from the kernel
> rodata segment. In this case, the source was made longer, since it did not
> match the destination structure size. Additionally removes a needless cast.
> 
> This was found with the future CONFIG_FORTIFY_SOURCE feature.
> 
> Cc: Daniel Micay <danielmicay@...il.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>

Patch applied to wireless-drivers-next.git, thanks.

e48d661eb13f ray_cs: Avoid reading past end of buffer

-- 
https://patchwork.kernel.org/patch/9714453/

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