From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Woodhouse, David" Subject: caif BUG() with network namespaces Date: Fri, 21 Oct 2011 20:51:50 +0000 Message-ID: <1319230309.19448.10.camel@shinybook.infradead.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=sha1; protocol="application/x-pkcs7-signature"; boundary="=-61wM5VG/zntMOoZK/q+H" Cc: "netdev@vger.kernel.org" To: Sjur Braendeland Return-path: Received: from mga09.intel.com ([134.134.136.24]:35977 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751785Ab1JUUvy (ORCPT ); Fri, 21 Oct 2011 16:51:54 -0400 Content-Language: en-GB Sender: netdev-owner@vger.kernel.org List-ID: --=-61wM5VG/zntMOoZK/q+H Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable When Chrome initialises its sandbox, we get a BUG: [ 63.674528] ------------[ cut here ]------------ [ 63.674540] kernel BUG at net/caif/caif_dev.c:66! [ 63.674547] invalid opcode: 0000 [#1] PREEMPT SMP=20 [ 63.674556] Modules linked in: iwlagn serio_raw [last unloaded: battery] [ 63.674568]=20 [ 63.674575] Pid: 801, comm: chrome-sandbox Not tainted 3.0.0-4.1-adaptat= ion-pc #1 Intel Corporation Cedartrail platform/To be filled by O.E.M. [ 63.674589] EIP: 0060:-[] EFLAGS: 00210246 CPU: 1 [ 63.674602] EIP is at caif_device_list+0x4c/0x50 [ 63.674608] EAX: 00000000 EBX: 00000000 ECX: e1482800 EDX: 00000010 [ 63.674614] ESI: e14133c0 EDI: 00000010 EBP: e141dda0 ESP: e141dd98 [ 63.674620] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 63.674627] Process chrome-sandbox (pid: 801, ti=3De141c000 task=3De52a8= ff0 task.ti=3De141c000) [ 63.674632] Stack: [ 63.674636] e1482800 00000000 e141ddd8 c0bab291 c04da339 e141ddd8 c0ad6= 4ff 00000011 [ 63.674655] e14133c0 e141ddd8 c0b335cd e1482800 00000010 c0f612bc 00000= 000 fffffff3 [ 63.674672] e141de08 c046e6e7 e141dde8 c0bcda38 e141de20 e1482800 00000= 010 c0f58ac0 [ 63.674690] Call Trace: [ 63.674700] [] caif_device_notify+0x21/0x2d0 [ 63.674710] [] ? pcpu_alloc_area+0x109/0x250 [ 63.674720] [] ? inetdev_event+0x1f/0x3a0 [ 63.674728] [] ? packet_notifier+0x8d/0x180 [ 63.674738] [] notifier_call_chain+0x47/0x90 [ 63.674747] [] ? mutex_unlock+0x8/0x10 [ 63.674756] [] raw_notifier_call_chain+0x1b/0x20 [ 63.674766] [] call_netdevice_notifiers+0x28/0x60 [ 63.674773] [] ? __alloc_percpu+0xa/0x10 [ 63.674782] [] register_netdevice+0xed/0x210 [ 63.674790] [] ? mutex_lock+0x1e/0x30 [ 63.674797] [] register_netdev+0x12/0x20 [ 63.674807] [] loopback_net_init+0x43/0x90 [ 63.674815] [] ops_init+0x2f/0x80 [ 63.674822] [] setup_net+0x4f/0xe0 [ 63.674830] [] copy_net_ns+0x6c/0xe0 [ 63.674838] [] create_new_namespaces+0xc1/0x150 [ 63.674847] [] copy_namespaces+0x72/0xb0 [ 63.674856] [] copy_process+0x60e/0xc70 [ 63.674864] [] ? handle_mm_fault+0x141/0x250 [ 63.674872] [] do_fork+0x5f/0x300 Is this already known/fixed? https://bugs.meego.com/show_bug.cgi?id=3D23540 --=20 Sent with MeeGo's ActiveSync support. 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