netdev - Re: unlock iptables in netns

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Message-ID: <20080620175107.GA5085@martell.zuzino.mipt.ru>
Date:	Fri, 20 Jun 2008 21:54:51 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	devel@...nvz.org, den@...nvz.org, xemul@...nvz.org
Subject: Re: unlock iptables in netns

On Mon, Jun 16, 2008 at 01:16:00PM +0200, Patrick McHardy wrote:
> Alexey Dobriyan wrote:
>> On Mon, Jun 16, 2008 at 12:26:03PM +0200, Patrick McHardy wrote:
>>>
>>> By the way, is there already work done for conntrack/NAT namespace
>>> support? I have this patch that uses marks for something very similar
>>> that should be easy to adjust.
>> Yes, right now I'm fighting something which looks like double free
>> of conntrack during clone(CLONE_NEWNET)/exit test despite none created
>> in netns. And unknown to me dimensions of input and output packet 
>> codepaths.
>> :^)
>> Preliminaty details:
>> 	struct nf_conn::ct_net which pins netns

Ouch, now that I have converted conntracking code, "pins netns" part is
really stupid, just background traffic on network will prevent netns from
destroying.

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