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Date: Sun, 24 Jan 2010 09:17:28 +0200
From: Alexey Dobriyan <adobriyan@gmail.com>
To: =?iso-8859-1?Q?Am=E9rico?= Wang <xiyou.wangcong@gmail.com>
Cc: Bruno =?iso-8859-1?Q?Pr=E9mont?= <bonbons@linux-vserver.org>,
       Eric Dumazet <eric.dumazet@gmail.com>,
       "David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org,
       linux-kernel@vger.kernel.org
Subject: Re: [2.6.33-rc5 regression] NULL pointer dereference in
 vlan_skb_recv - probably introduced by commit
 9793241fe92f7d9303fb221e43fc598eb065f267
Message-ID: <20100124071728.GA3993@x200>
References: <20100123165657.187c11e4@neptune.home>
 <20100124071252.GA11037@hack>
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On Sun, Jan 24, 2010 at 03:12:52PM +0800, Américo Wang wrote:
> On Sat, Jan 23, 2010 at 04:56:57PM +0100, Bruno Prémont wrote:
> >Today I tried out 2.6.33-rc5 but always got crashing system:
> >
> >[   26.390576] BUG: unable to handle kernel NULL pointer dereference at (null)
> >[   26.396369] IP: [<df856b89>] vlan_skb_recv+0x89/0x280 [8021q]
> 
> 
> What does 'addr2line -e vmlinux 0xdf856b89' say?

EIP is in module, so it will say nothing.