Re: [PATCH] death_by_event() does not check IPS_DYING_BIT - race condition against ctnetlink_del_conntrack

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On Thursday 30 August 2012 20:39:50 Pablo Neira Ayuso wrote:
> Interesting, how are those assumptions fulfilled?

Well, timing of course ;) - essentially, traffic paths are ensured longer than 
the actual time for replication of conntrack state.


> Agreed. But I don't come with any netfilter change that may result in
> that problem you're reporting. You'll have to debug this and get back
> to me with more information.

You can disregard this, turned out to be due to the unfortunate fact that 
net.ipv4.netfilter.ip_conntrack_tcp_be_liberal is of course replaced by 
net.netfilter.nf_conntrack_tcp_be_liberal under 3.4

Please feel free to send me your latest rework of the patch and I will be 
happy to test it out.

Kind Regards,
Oliver
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