Subject: Re: [PATCH] sh_eth: Avoid memcpy() over-reading of ETH_SS_STATS

From: Wolfram Sang <[email-masked]>
Date: Thu, 17 Jun 2021 07:50:11 +0200

On Wed, Jun 16, 2021 at 12:53:33PM -0700, Kees Cook wrote:
> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy(), memmove(), and memset(), avoid
> intentionally reading across neighboring array fields.
> 
> The memcpy() is copying the entire structure, not just the first array.
> Adjust the source argument so the compiler can do appropriate bounds
> checking.
> 
> Signed-off-by: Kees Cook <[email-masked]>

For the record:

Reviewed-by: Wolfram Sang <[email-masked]>