linux-kernel - Re: [2.6.33-rc5 regression] NULL pointer dereference in vlan_skb_recv - probably introduced by commit 9793241fe92f7d9303fb221e43fc598eb065f267

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Message-ID: <20100124073022.GB11037@hack>
Date:	Sun, 24 Jan 2010 15:30:22 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	Américo Wang <xiyou.wangcong@...il.com>,
	Bruno Prémont <bonbons@...ux-vserver.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6.33-rc5 regression] NULL pointer dereference in
	vlan_skb_recv - probably introduced by commit
	9793241fe92f7d9303fb221e43fc598eb065f267

On Sun, Jan 24, 2010 at 09:17:28AM +0200, Alexey Dobriyan wrote:
>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.

Oh, ok, then '-e net/8021q/vlan_dev.o'.

-- 
Live like a child, think like the god.
 
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