Re: [PATCH] netfilter: fix ->nfnl NULL oops

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--On 22 November 2011 00:39:42 +0100 Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:

I didn't try with this script, but the problem can be easily
triggered with:

0) make sure nf_conntrack_netlink and nf_conntrack_ipv4 are loaded.
1) container is started.
2) connect to it via lxc-console.
3) generate some traffic with the container to create some conntrack
   entries in its table.
4) stop the container: hit the oops.

I've been testing the patch that I proposed with this recipe, now it
works fine.

I'll pass my patch for 3.2-rc soon, in case you want to make further
testing of it.

I will try to, when I have a minute. Occasionally I was getting a
double oops before. My theory at the time was that this was to do
with passing traffic /as/ the container was being destroyed. I have
little to substantiate that, but that was the reason for the perl
script (which really just runs a ping as the container is being
destroyed, which ensures there are conntrack entries).

--
Alex Bligh
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