netdev - Re: [RFC PATCH] bridge: netfilter: fix skb->nf_bridge NULL panic in br_nf_forward

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Date:	Mon, 9 Jul 2012 20:00:46 +0800
From:	Lin Ming <mlin@...pku.edu.cn>
To:	Massimo Cetra <ctrix+debianbugs@...ynet.it>
Cc:	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org,
	Stephen Hemminger <shemminger@...tta.com>,
	"David S. Miller" <davem@...emloft.net>,
	Julian Anastasov <ja@....bg>
Subject: Re: [RFC PATCH] bridge: netfilter: fix skb->nf_bridge NULL panic in br_nf_forward_finish

On Mon, Jul 9, 2012 at 5:26 PM, Massimo Cetra
<ctrix+debianbugs@...ynet.it> wrote:
> On 06/07/2012 16:19, Lin Ming wrote:
>>
>> I can reproduce similiar panic with 3.5-rc5 kernel as Massimo reported at:
>> http://marc.info/?l=linux-netdev&m=134089242113979&w=2
>>
>> The steps to reproduce as follow,
>>
>> 1. On Host1, setup brige br0(192.168.1.106)
>> 2. Boot a kvm guest(192.168.1.105) on Host1 and start httpd
>> 3. Start IPVS service on Host1
>>     ipvsadm -A -t 192.168.1.106:80 -s rr
>>     ipvsadm -a -t 192.168.1.106:80 -r 192.168.1.105:80 -m
>> 4. Run apache benchmark on Host2(192.168.1.101)
>>     ab -n 1000 http://192.168.1.106/
>
>
> Thank you Lin,
>
> i spent a couple of days trying to figure out how to reproduce but you were
> quicker and smarter than me.

Could you also test it ? :-)

Thanks.

>
> Massimo
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