Subject: Re: xt_nat_init: BUG: unable to handle kernel NULL pointer dereference at 00000000000000e0

From: Florian Westphal <[email-masked]>
Date: Thu, 13 Sep 2012 11:30:24 +0200

Fengguang Wu <[email-masked]> wrote:
> Hi Patrick,
> 
> This happens in today's linux-next tree and is pretty reproducible.
> [    1.834544] nf_conntrack version 0.5.0 (1786 buckets, 7144 max)
> [    1.835406] ctnetlink v0.93: registering with nfnetlink.
> [    1.836202] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e0
> [    1.837539] IP: [<ffffffff81a19123>] mutex_lock_interruptible+0x23/0x70

Should be fixed by
commit 00545bec9412d130c77f72a08d6c8b6ad21d4a1e
Author: Pablo Neira Ayuso <[email-masked]>
Subject: netfilter: fix crash during boot if NAT has been compiled built-in

But seems its not yet in net-next.  Pablo?