netdev - Re: Possible netfilter-related memory corruption in 2.6.37

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Message-ID: <1297702128.2996.41.camel@edumazet-laptop>
Date:	Mon, 14 Feb 2011 17:48:48 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Jan Engelhardt <jengelh@...ozas.de>, Avi Kivity <avi@...hat.com>,
	netfilter-devel@...r.kernel.org,
	Marcelo Tosatti <mtosatti@...hat.com>,
	nicolas prochazka <prochazka.nicolas@...il.com>,
	KVM list <kvm@...r.kernel.org>, netdev <netdev@...r.kernel.org>
Subject: Re: Possible netfilter-related memory corruption in 2.6.37

Le lundi 14 février 2011 à 17:37 +0100, Patrick McHardy a écrit :
> Am 14.02.2011 17:29, schrieb Eric Dumazet:
> > Le lundi 14 février 2011 à 17:24 +0100, Patrick McHardy a écrit :
> >>> Also, I wonder if RCU rules are respected in nf_iterate().
> >>> For example this line is really suspicious :
> >>>
> >>> *i = (*i)->prev;
> >>
> >> Yeah, that definitely looks wrong. How about this instead?
> >>
> > 
> > This patch seems fine to me, thanks !
> > 
> > Acked-by: Eric Dumazet <eric.dumazet@...il.com>
> 
> THanks Eric, I've queued the patch for 2.6.38.

I am not sure, but I guess nf_reinject() needs a fix too ;)



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