netdev - Re: [PATCH v2 net-next 1/2] netfilter: check if the socket netns is correct.

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Message-ID: <20180627142222.vzipwze4k4aebqay@breakpoint.cc>
Date:   Wed, 27 Jun 2018 16:22:22 +0200
From:   Florian Westphal <fw@...len.de>
To:     Flavio Leitner <fbl@...hat.com>
Cc:     netdev@...r.kernel.org, Eric Dumazet <eric.dumazet@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        David Miller <davem@...emloft.net>,
        Florian Westphal <fw@...len.de>,
        netfilter-devel@...r.kernel.org
Subject: Re: [PATCH v2 net-next 1/2] netfilter: check if the socket netns is
 correct.

Flavio Leitner <fbl@...hat.com> wrote:
> Netfilter assumes that if the socket is present in the skb, then
> it can be used because that reference is cleaned up while the skb
> is crossing netns.
>
> We want to change that to preserve the socket reference in a future
> patch, so this is a preparation updating netfilter to check if the
> socket netns matches before use it.

Acked-by: Florian Westphal <fw@...len.de>