netdev - Re: [PATCH v2] bridge: netfilter: fix skb->nf_bridge NULL panic in br_nf_forward

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Date:	Tue, 10 Jul 2012 17:41:09 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Julian Anastasov <ja@....bg>
Cc:	Lin Ming <mlin@...pku.edu.cn>,
	Massimo Cetra <ctrix+debianbugs@...ynet.it>,
	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org,
	Stephen Hemminger <shemminger@...tta.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH v2] bridge: netfilter: fix skb->nf_bridge NULL panic in
 br_nf_forward_finish

On Sat, Jul 07, 2012 at 01:27:49PM +0300, Julian Anastasov wrote:
> 
> 	Hello,
> 
> On Sat, 7 Jul 2012, Lin Ming wrote:
> 
> > On Sat, 2012-07-07 at 12:48 +0300, Julian Anastasov wrote:
> > > 
> > > 	Very good. Thanks for tracking and fixing this bug.
> > > Can you send a copy to Simon Horman <horms@...ge.net.au>
> > > with correct Subject. As this change can go to stable
> > > kernels you can also improve the comments, for example:
> > > 
> > > ipvs: fix oops on NAT reply in br_nf context
> > > 
> > > 	IPVS should not reset skb->nf_bridge in FORWARD hook
> > > by calling nf_reset for NAT replies. It triggers oops in
> > > br_nf_forward_finish.
> > > 
> > > [here follows your corrected description including
> > > the stack trace]
> > 
> > How about below? Can I have your ACK?
> > I'll resend this patch in another mail.
> 
> 	Very good. You can add my
> 
> Signed-off-by: Julian Anastasov <ja@....bg>

Thanks, I will queue this up in my ipvs tree and see
about getting it included in 3.5

It seems to me that this problem has been present since 2.6.37
and thus is stable material.

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