netdev - Re: invalid socket structure with ip_early

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Message-ID: <1359771917.30177.52.camel@edumazet-glaptop>
Date:	Fri, 01 Feb 2013 18:25:17 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Steve Muckle <smuckle@...eaurora.org>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: invalid socket structure with ip_early_demux

On Fri, 2013-02-01 at 18:16 -0800, Eric Dumazet wrote:

> skb->sk might be a TIMEWAIT socket.
> 
> Therefore, you cant blindly use skb->sk->sk_socket
> 

A fix would be to add after :

sk = skb->sk;

the following code :

if (sk && sk->sk_state == TCP_TIME_WAIT)
	sk = NULL;



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