Subject: Re: [PATCH][net-next] netfilter: ebtables: use array_size() helper in copy_{from,to}_user()

From: Kees Cook <[email-masked]>
Date: Thu, 21 Oct 2021 10:00:34 -0700

On Tue, Sep 28, 2021 at 03:06:47PM -0500, Gustavo A. R. Silva wrote:
> Use array_size() helper instead of the open-coded version in
> copy_{from,to}_user().  These sorts of multiplication factors
> need to be wrapped in array_size().
> 
> Link: https://github.com/KSPP/linux/issues/160
> Signed-off-by: Gustavo A. R. Silva <[email-masked]>

Thanks!

Reviewed-by: Kees Cook <[email-masked]>

I see that this is marked "Awaiting Upstream" (for an ebtables
maintainer ack?)
https://patchwork.kernel.org/project/netdevbpf/patch/20210928200647.GA266402@embeddedor/

-- 
Kees Cook