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

Kees Cook
2021-10-21T17:00:38Z

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 <gustavoars@kernel.org>

Thanks!

Reviewed-by: Kees Cook <keescook@chromium.org>

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