From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933466AbaLKBEA (ORCPT ); Wed, 10 Dec 2014 20:04:00 -0500 Received: from [141.84.69.5] ([141.84.69.5]:41251 "EHLO mail.stusta.mhn.de" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S933176AbaLKBDr convert rfc822-to-8bit (ORCPT ); Wed, 10 Dec 2014 20:03:47 -0500 X-Greylist: delayed 462 seconds by postgrey-1.27 at vger.kernel.org; Wed, 10 Dec 2014 20:03:46 EST From: Markus Kaindl To: Pablo Neira Ayuso Cc: netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, Linux Kernel Subject: BUG: kernel panic nf_ct_del_from_dying_or_unconfirmed_list Date: Thu, 11 Dec 2014 01:55:09 +0100 Message-ID: <1855695.mhsXPet1XK@lhotse> Organization: StuStaNet e. V. User-Agent: KMail/4.14.3 (Linux/3.17.5-gentoo; KDE/4.14.3; x86_64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, shortly after changing from wireless to wired network connection, both using IPv4 and Isatap, I experienced the following kernel panic. I was doing a speedtest on the wired connection when the panic occured. I tried to reproduce it, but I was not able to. [...] (could not get more scroll back...) [13139.648381] ffff880174d149e0 ffff88000cb8b828 ffff8800a73b7858 ffffffff81864dbe [13139.648429] ffff88000cb8b828 ffff8800a?3b?B?0 ffffffffB1825e85 ffff88000cb8b828 [13139.648472] Call Trace: [13139.648490] [] destroy_conntrack+0x55/0xc0 [13139.648521] [] nf_conntrack_destroy+0x1e/0x30 [13139.648555] [] skb_release_head_state+0xa5/0xf0 [13139.648590] [] skb_release_all+0xd/0x30 [13139.648620] [] kfree_skb+0x32/0xa0 [13139.648649] [] ? ip_fragment+0x8d0/0x8d0 [13139.848681] [] nf_hook_slow+0x108/0x120 [13139.648712] [] ? ip_fragment+0x8d0/0x8d0 [13139.648745] [] ip_output+0x75/0x90 [13139.648775] [] ip_local_out_sk+0x2b/0x30 [13139.648807] [] iptunnel_xmit+0xfb/0x120 [13139.648839] [] sit_tunnel_xmit+0x3de/0x700 [13139.648870] [] ? internal_add_timer+0x5e/0x80 [13139.648902] [] dev_hard_start_xmit+0x337/0x660 [13139.648933] [] __dev_queue_xmit+0x313/0x510 [13139.648965] [] dev_queue_xmit+0xb/0x10 [13139.648995] [] neigh_direct_output+0xc/0x10 [13139.649028] [] ip6_finish_output2+0x159/0x490 [13139.649062] [] ? ip6_fragment+0xa90/0xa90 [13139.649094] [] ip6_finish_output+0x87/0xc0 [13139.649125] [] ip6_output+0x70/0xb0 [13139.649154] [] ip6_xmit+0x3ea/0x4d0 [13139.649184] [] inet6_csk_xmit+0x6a/0xb0 [13139.649216] [] tcp_transmit_skb+0x490/0x920 [13139.649249] [] tcp_connect+0x7d2/0x8f0 [13139.649280] [<£fffffff8191209a>] tcp_v6_connect+0x32a/0x620 [13139.649313] [] ? sock_destroy_inode+0x2a/0x30 [13139.650532] [] __inet_stream_connect+0x95/0x310 [13139.651647] [] ? get_parent_ip+0xd/0x50 [13139.652770] [] ? preempt_count_add+0x4d/0xa0 [13139.653904] [] ? __local_bh_enable_ip+0x3e/0xa0 [13139.651985] [] inet_stream_connect+0x33/0x50 [13139.656001] [] SYSC_connect+0xc7/0x100 [13139.656801] [] ? __this_cpu_preempt_check+0x13/0x20 [13139.657584] [] ? syscall_trace_enter+0x232/0x260 [13139.658371] [] SyS_connect+0x9/0x10 [13139.659154] [] tracesys+0xdd/0xe2 [13139.659923] Code: 98 e0 07 00 00 0f b7 47 06 48 03 1c c5 20 84 0d 82 48 89 df e8 84 ce 1d 00 49 8b 44 24 10 48 85 c0 74 2d 49 8b 54 24 08 f6 c2 01 <48> 89 10 75 04 48 89 42 08 48 b8 00 02 20 00 00 00 ad de 48 89 [13139.661710] RIP [] nf_ct_del_from_dying_or_unconfirmed_list+0x3e/0x70 [13139.662579] RSP (ffff8800a?3b?810> [13139.669137] Kernel panic — not syncing: Fatal exception in interrupt [13139.670262] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) [13139.671137] drm_kms_helper: panic occurred, switching back to text console Any guesses? Thanks, Markus