Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753057Ab3J2VnB (ORCPT ); Tue, 29 Oct 2013 17:43:01 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:48993 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751469Ab3J2VnA (ORCPT ); Tue, 29 Oct 2013 17:43:00 -0400 Date: Tue, 29 Oct 2013 17:42:58 -0400 (EDT) Message-Id: <20131029.174258.1677867676998240250.davem@davemloft.net> To: mroos@linux.ee Cc: hannes@stressinduktion.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com Subject: Re: 3.12-rc7 regression - network panic from ipv6 From: David Miller In-Reply-To: References: <20131029210758.GA18323@order.stressinduktion.org> X-Mailer: Mew version 6.5 on Emacs 24.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.1 (shards.monkeyblade.net [0.0.0.0]); Tue, 29 Oct 2013 14:42:59 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1300 Lines: 32 From: Meelis Roos Date: Tue, 29 Oct 2013 23:38:28 +0200 (EET) >> > Some bad news - in a system where 3.12-rc6 and earlier worked fine, >> > 3.12-rc7 panics or hangs repeatedly with network traffic (torrent being >> > good test). First there is BUG from ipv6 code, followed by panic. >> >> Could you do a bisect on this? There seems to be one commit for this >> particular function _decode_session6: >> >> commit bafd4bd4dcfa13145db7f951251eef3e10f8c278 >> Author: Steffen Klassert >> Date: Mon Sep 9 10:38:38 2013 +0200 >> >> xfrm: Decode sessions with output interface. >> >> The output interface matching does not work on forward >> policy lookups, the output interface of the flowi is >> always 0. Fix this by setting the output interface when >> we decode the session. >> >> Maybe try to just revert this change locally and try again? > > Yes, just reverting this patch on top of rc7 gets rid of the problem for > me. Steffen please fix this or I'll have to revert. -- 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/