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Date:   Fri, 28 Aug 2020 18:45:51 +0200
From:   Florian Westphal <>
To:     Pablo Neira Ayuso <>
Cc:     Will McVicker <>,,
        Jozsef Kadlecsik <>,
        Florian Westphal <>,
        "David S. Miller" <>,
        Alexey Kuznetsov <>,
        Hideaki YOSHIFUJI <>,,,,,
Subject: Re: [PATCH v3 1/1] netfilter: nat: add a range check for l3/l4

Pablo Neira Ayuso <> wrote:
> Hi Will,
> Given this is for -stable maintainers only, I'd suggest:
> 1) Specify what -stable kernel versions this patch applies to.
>    Explain that this problem is gone since what kernel version.
> 2) Maybe clarify that this is only for stable in the patch subject,
>    e.g. [PATCH -stable v3] netfilter: nat: add a range check for l3/l4

Hmm, we silently accept a tuple that we can't really deal with, no?

> > +	if (l3num != NFPROTO_IPV4 && l3num != NFPROTO_IPV6)
> > +		return -EOPNOTSUPP;

I vote to apply this to nf.git

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