netfilter buglog - May 2013 - [Bug 818] New: BUG: unable to handle kernel NULL pointer dereference at 0000020c (ipt_log_packet+0x2e/0x2b0)

https://bugzilla.netfilter.org/show_bug.cgi?id=818

           Summary: BUG: unable to handle kernel NULL pointer dereference
                    at 0000020c (ipt_log_packet+0x2e/0x2b0)
           Product: netfilter/iptables
           Version: unspecified
          Platform: i386
        OS/Version: Gentoo
            Status: NEW
          Severity: normal
          Priority: P5
         Component: ip_tables (kernel)
        AssignedTo: netfilter-buglog at lists.netfilter.org
        ReportedBy: ronald645 at gmail.com
   Estimated Hours: 0.0


Created attachment 395
  --> https://bugzilla.netfilter.org/attachment.cgi?id=395
3.10-rc1 Oops

With 3.10-rc1 I'm getting kernel panics. I think it's the firewall, not
sure.

Bug appears to trigger in random fashion, but happens after 1 or 2 hours of
regular internet use.

This is captured with a 32bit UP system (Athlon XP) running Ubuntu 13.04.

This is my first bugreport on netfilter, excuse me if I left out anything that
is necessary.

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--- Comment #1 from Rexilion <ronald645 at gmail.com> 2013-05-12 21:17:59
CEST ---
Created attachment 396
  --> https://bugzilla.netfilter.org/attachment.cgi?id=396
Iptables configuration at the time of panic.

Don't know if it's required.

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--- Comment #2 from Rexilion <ronald645 at gmail.com> 2013-05-13 08:05:34
CEST ---
Happenned again this morning. I disabled to firewall for now, see if it helps.
Attached you will find a new oops. I will also attach my kernel .config.

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--- Comment #3 from Rexilion <ronald645 at gmail.com> 2013-05-13 08:06:29
CEST ---
Created attachment 397
  --> https://bugzilla.netfilter.org/attachment.cgi?id=397
3.10-rc1 Oops #2

Second oops this morning.

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--- Comment #4 from Rexilion <ronald645 at gmail.com> 2013-05-13 08:13:19
CEST ---
Created attachment 398
  --> https://bugzilla.netfilter.org/attachment.cgi?id=398
3.10-rc1 config

Btw, the -dirty bit comes from this patch:

http://lists.freedesktop.org/archives/dri-devel/2013-May/038164.html

So I can see the OOPS without DRM making it scroll of screen with it's
warnings.

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--- Comment #5 from Rexilion <ronald645 at gmail.com> 2013-05-13 17:20:19
CEST ---
Created attachment 399
  --> https://bugzilla.netfilter.org/attachment.cgi?id=399
3.10-rc1 Oops #3

New OOPS. Totally different hardware. This is an 64bit UP machine (AMD Athlon
64, Asus K8N-E mobo).

This OOPS was captured with netconsole. Nice tool.

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--- Comment #6 from Rexilion <ronald645 at gmail.com> 2013-05-13 19:18:35
CEST ---
Created attachment 400
  --> https://bugzilla.netfilter.org/attachment.cgi?id=400
3.10-rc1 Oops #4

I'm attaching the last OOPS. I have compiled my kernel with
CONFIG_FRAME_POINTER to make the OOPS more adequate.

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Rexilion <ronald645 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|i386                        |All
         OS/Version|Gentoo                      |All

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Rexilion <ronald645 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|BUG: unable to handle       |[i386 & x86_64] BUG: unable
                   |kernel NULL pointer         |to handle kernel NULL
                   |dereference at 0000020c     |pointer dereference at
                   |(ipt_log_packet+0x2e/0x2b0) |0000020c
                   |                            |(ipt_log_packet+0x2e/0x2b0)

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Pablo Neira Ayuso <pablo at netfilter.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |pablo at netfilter.org
         Resolution|                            |FIXED

--- Comment #7 from Pablo Neira Ayuso <pablo at netfilter.org> 2013-05-15
14:28:34 CEST ---
Fix for this available here:

http://patchwork.ozlabs.org/patch/244046/

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