Re: v3.10-rc7 oops soon after boot

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On Mon, Jun 24, 2013 at 01:34:41PM +0200, Pablo Neira Ayuso wrote:
> On Mon, Jun 24, 2013 at 05:52:08PM +0800, Gao feng wrote:
> > On 06/24/2013 05:41 PM, George Spelvin wrote:
> > >> Please try the patch below,
> > >> I think this bug is introduced by me :(
> > >>
> > >> Thanks!
> > > 
> > > Well, you changed it, but it still crashes.
> > > 
> > > It's now at del_timer+0x9/0x58, with the code being:
> > 
> > This one should work.
> > 
> > Thanks for your quickly reply.
> 
> I managed to crash it using a group != 1 (default) and enabling
> batching:
> 
> iptables -I INPUT -j ULOG --ulog-nlgroup 2 --ulog-qthresh 50
> 
> It seems ulog->nlgroup[i] is always left unset.
> 
> I have mangled your patch, find it attached.

> From 79da8ea854c06ca9320decbb2f9d2e8d25b2f7e5 Mon Sep 17 00:00:00 2001
> From: Gao feng <gaofeng@xxxxxxxxxxxxxx>
> Date: Mon, 24 Jun 2013 17:04:02 +0800
> Subject: [PATCH] netfilter: ipt_ULOG: fix incorrect setting of ulog timer
> 
> The parameter of setup_timer should be &ulog->nlgroup[i].
> the incorrect parameter will cause kernel panic in
> ulog_timer.
> 
> Bug introducted in commit 355430671ad93546b34b4e91bdf720f3a704efa4
> "netfilter: ipt_ULOG: add net namespace support for ipt_ULOG"
> 
> ebt_ULOG doesn't have this problem.
> 
> Reported-by: Borislav Petkov <bp@xxxxxxxxx>
> Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
> Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>

I have applied the patch that I sent you.
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