netdev - Re: [PATCH v2] netfilter: take care of timewait sockets

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Message-ID: <20120903074718.GA14750@breakpoint.cc>
Date:	Mon, 3 Sep 2012 09:47:18 +0200
From:	Florian Westphal <fw@...len.de>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Florian Westphal <fw@...len.de>,
	Sami Farin <hvtaifwkbgefbaei@...il.com>,
	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net
Subject: Re: [PATCH v2] netfilter: take care of timewait sockets

Eric Dumazet <eric.dumazet@...il.com> wrote:
> Sami Farin reported crashes in xt_LOG because it assumes skb->sk is a
> full blown socket.
> 
> But with TCP early demux, we can have skb->sk pointing to a timewait
> socket.
> 
> Same fix is needed in netfnetlink_log

Looks good, but IMHO it is very un-intuitive that
skb->sk might be a pointer to an object that is not struct sock (or
a compatible object).
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