netdev - Re: linux 3.4.43 : kernel crash at __nf_conntrack

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Date:	Wed, 21 Oct 2015 14:26:35 -0700
From:	Ani Sinha <ani@...sta.com>
To:	Florian Westphal <fw@...len.de>
Cc:	Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>,
	netfilter-devel@...r.kernel.org, netfilter@...r.kernel.org,
	coreteam@...filter.org,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: linux 3.4.43 : kernel crash at __nf_conntrack_confirm

On Wed, Oct 21, 2015 at 2:19 PM, Florian Westphal <fw@...len.de> wrote:
> Ani Sinha <ani@...sta.com> wrote:
>> >> > commit c6825c0976fa7893692e0e43b09740b419b23c09
>> >> > Author: Andrey Vagin <avagin@...nvz.org>
>> >> > Date:   Wed Jan 29 19:34:14 2014 +0100
>> >> >      netfilter: nf_conntrack: fix RCU race in nf_conntrack_find_get
>> >> >
>> >> > and a followup patch :
>> >> >
>> >> > commit e53376bef2cd97d3e3f61fdc677fb8da7d03d0da
>> >> > Author: Pablo Neira Ayuso <pablo@...filter.org>
>> >> > Date:   Mon Feb 3 20:01:53 2014 +0100
>> >> >         netfilter: nf_conntrack: don't release a conntrack with non-zero refcnt
>> >> >
>> >
>> > These for instance fix such bugs.
>>
>> So since both these patches were not backported to 3.4 series and
>> since now we have evidence of a crash that points to issues which the
>> patches fix, should we consider backporting the above patches to 3.4?
>
> Yes.

Ok cool. I will send out backport patches for 3.4 corresponding to
both the above patches.
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