Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756264Ab1CRIaO (ORCPT ); Fri, 18 Mar 2011 04:30:14 -0400 Received: from mailout-de.gmx.net ([213.165.64.23]:60203 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753268Ab1CRIaK (ORCPT ); Fri, 18 Mar 2011 04:30:10 -0400 Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Date: Fri, 18 Mar 2011 09:30:06 +0100 From: "walter schloegl" In-Reply-To: <4D82DA2D.1020503@cn.fujitsu.com> Message-ID: <20110318083006.161490@gmx.net> MIME-Version: 1.0 References: <20110317074356.231320@gmx.net> <20110317104903.153050@gmx.net> <4D82DA2D.1020503@cn.fujitsu.com> Subject: Re: sctp panic To: Wei Yongjun , richard.weinberger@gmail.com X-Authenticated: #113584424 X-Flags: 0001 X-Mailer: WWW-Mail 6100 (Global Message Exchange) X-Priority: 3 X-Provags-ID: V01U2FsdGVkX1801Z8vxXE0eb7EyA53VR4dgM7nX4BRG4C2BTF+s5 nZmAqmHAW9S1fvExiCwkxN3BZr6jw7nMg6oA== Content-Transfer-Encoding: 8bit X-GMX-UID: PS+xfCEXIydmFw1MsWFrFHRSa2FkZpVf Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5159 Lines: 121 -------- Original-Nachricht -------- > Datum: Fri, 18 Mar 2011 12:06:05 +0800 > Von: Wei Yongjun > An: richard -rw- weinberger > CC: walter schloegl , linux-kernel@vger.kernel.org, netdev@vger.kernel.org > Betreff: Re: sctp panic > > > > On Thu, Mar 17, 2011 at 11:49 AM, walter schloegl > wrote: > >> -------- Original-Nachricht -------- > >>> Datum: Thu, 17 Mar 2011 08:56:47 +0100 > >>> Von: richard -rw- weinberger > >>> An: sctp@muskelshirt.de > >>> CC: linux-kernel@vger.kernel.org > >>> Betreff: Re: sctp panic > >>> On Thu, Mar 17, 2011 at 8:43 AM, wrote: > >>>> Hi > >>>> > >>>> when doing the actions below I get a panic. > >>>> > >>>> - echo 1 > /proc/sys/net/sctp/addip_enable > >>>> - In a C-Programm > >>>> - socket(AF_INET,SOCK_STREAM,IPPROTO_SCTP); > >>>> - connect(....) (with correct filled parameters) > >>>> > >>>> Its no process (waiting in accept) neccessary > >>> Can you show us the panic message and your C prorgam? > >>> This would help reproducing the panic... > >> ...snip... > >> > >> The crash says: > >> > >> crash> bt > >> PID: 14646 TASK: ffff8801f40c7560 CPU: 9 COMMAND: "x" > >> #0 [ffff8801f6f5f6f0] machine_kexec at ffffffff8103697b > >> #1 [ffff8801f6f5f750] crash_kexec at ffffffff810b9078 > >> #2 [ffff8801f6f5f820] oops_end at ffffffff814cc900 > >> #3 [ffff8801f6f5f850] die at ffffffff8101733b > >> #4 [ffff8801f6f5f880] do_trap at ffffffff814cc1d4 > >> #5 [ffff8801f6f5f8e0] do_invalid_op at ffffffff81014ee5 > >> #6 [ffff8801f6f5f980] invalid_op at ffffffff81013f5b > >> [exception RIP: skb_over_panic+93] > >> RIP: ffffffff81404bdd RSP: ffff8801f6f5fa38 RFLAGS: 00010296 > >> RAX: 0000000000000083 RBX: 0000000000000040 RCX: 00000000000013f6 > >> RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000246 > >> RBP: ffff8801f6f5fa58 R8: ffffffff818a3da0 R9: 0000000000000000 > >> R10: 0000000000000001 R11: 0000000000000000 R12: ffff8801f4e11000 > >> R13: 0000000000000004 R14: 000000000000003e R15: 0000000000000001 > >> ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 > >> #7 [ffff8801f6f5fa60] skb_put at ffffffff81405c1c > >> #8 [ffff8801f6f5fa80] sctp_addto_chunk at ffffffffa0503c23 > >> #9 [ffff8801f6f5fad0] sctp_make_init at ffffffffa0506705 > >> #10 [ffff8801f6f5fba0] sctp_sf_do_prm_asoc at ffffffffa04f81d4 > >> #11 [ffff8801f6f5fbd0] sctp_do_sm at ffffffffa04fd381 > >> #12 [ffff8801f6f5fd60] sctp_primitive_ASSOCIATE at ffffffffa0513daf > >> #13 [ffff8801f6f5fd80] __sctp_connect at ffffffffa0510f09 > >> #14 [ffff8801f6f5fe50] sctp_connect at ffffffffa0511248 > >> #15 [ffff8801f6f5fe80] inet_dgram_connect at ffffffff81471b6c > >> #16 [ffff8801f6f5feb0] sys_connect at ffffffff813ff747 > >> #17 [ffff8801f6f5ff80] system_call_fastpath at ffffffff81013172 > >> RIP: 0000003015ee2150 RSP: 00007fffea7bdce8 RFLAGS: 00010206 > >> RAX: 000000000000002a RBX: ffffffff81013172 RCX: 0000000000000000 > >> RDX: 0000000000000010 RSI: 00007fffea7bdd00 RDI: 0000000000000003 > >> RBP: 00007fffea7bdd40 R8: 0000000000759020 R9: ff00000000000000 > >> R10: 00007fffea7bda70 R11: 0000000000000246 R12: 0000000000000000 > >> R13: 00007fffea7bde20 R14: 00000000004006e0 R15: 0000000000000000 > >> ORIG_RAX: 000000000000002a CS: 0033 SS: 002b > >> > >> > >> > > Are you using old kernel? If it is, the following patch may fixed this > issue. > > http://git.kernel.org/?p=linux/kernel/git/vxy/lksctp-dev.git;a=commitdiff;h=a8170c35e738d62e9919ce5b109cf4ed66e95bde;hp=81419d862db743fe4450a021893f24bab4698c1d > I am using: Red Hat Enterprise Linux Server release 6.0 (Santiago) 2.6.32-71.18.1.el6.x86_64 #1 SMP Wed Feb 2 17:49:59 EST 2011 x86_64 x86_64 x86_64 GNU/Linux > >>>> br > >>>> walter > >>>> -- > >>>> GMX DSL Doppel-Flat ab 19,99 Euro/mtl.! Jetzt mit > >>>> gratis Handy-Flat! http://portal.gmx.net/de/go/dsl > >>>> -- > >>>> To unsubscribe from this list: send the line "unsubscribe > linux-kernel" > >>> in > >>>> the body of a message to majordomo@vger.kernel.org > >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html > >>>> Please read the FAQ at http://www.tux.org/lkml/ > >>>> > >>> -- > >>> Thanks, > >>> //richard > >>> -- > >>> To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in > >>> the body of a message to majordomo@vger.kernel.org > >>> More majordomo info at http://vger.kernel.org/majordomo-info.html > >>> Please read the FAQ at http://www.tux.org/lkml/ > >> -- > >> NEU: FreePhone - kostenlos mobil telefonieren und surfen! > >> Jetzt informieren: http://www.gmx.net/de/go/freephone > >> > > CC'ing netdev > > > -- NEU: FreePhone - kostenlos mobil telefonieren und surfen! Jetzt informieren: http://www.gmx.net/de/go/freephone -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/