From: Patrick McHardy <kaber@trash.net>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: netfilter-devel@vger.kernel.org, netdev@vger.kernel.org,
devel@openvz.org, den@openvz.org, xemul@openvz.org
Subject: Re: unlock iptables in netns
Date: Sat, 21 Jun 2008 10:03:51 +0200 [thread overview]
Message-ID: <485CB5E7.3000500@trash.net> (raw)
In-Reply-To: <20080620175107.GA5085@martell.zuzino.mipt.ru>
Alexey Dobriyan wrote:
> 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.
Can't you do active cleanup instead of pinning the namespace?
prev parent reply other threads:[~2008-06-21 8:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-10 17:27 unlock iptables in netns Alexey Dobriyan
2008-06-11 6:53 ` Patrick McHardy
2008-06-16 10:26 ` Patrick McHardy
2008-06-16 11:04 ` Alexey Dobriyan
2008-06-16 11:16 ` Patrick McHardy
2008-06-16 11:17 ` Pavel Emelyanov
2008-06-16 11:21 ` Patrick McHardy
2008-06-20 17:54 ` Alexey Dobriyan
2008-06-21 8:03 ` Patrick McHardy [this message]
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