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Date:   Thu, 21 Oct 2021 10:00:34 -0700
From:   Kees Cook <>
To:     "Gustavo A. R. Silva" <>
Cc:     Pablo Neira Ayuso <>,
        Jozsef Kadlecsik <>,
        Florian Westphal <>,
        Roopa Prabhu <>,
        Nikolay Aleksandrov <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,,,,,,
Subject: Re: [PATCH][net-next] netfilter: ebtables: use array_size() helper
 in copy_{from,to}_user()

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:
> Signed-off-by: Gustavo A. R. Silva <>


Reviewed-by: Kees Cook <>

I see that this is marked "Awaiting Upstream" (for an ebtables
maintainer ack?)

Kees Cook

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