Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752141AbbEFTKF (ORCPT ); Wed, 6 May 2015 15:10:05 -0400 Received: from mail-ig0-f171.google.com ([209.85.213.171]:35401 "EHLO mail-ig0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751197AbbEFTKD (ORCPT ); Wed, 6 May 2015 15:10:03 -0400 Message-ID: <1430939400.14545.65.camel@edumazet-glaptop2.roam.corp.google.com> Subject: Re: kernel >= 4.0: crashes when using traceroute6 with isatap From: Eric Dumazet To: Cong Wang , Vlad Yasevich Cc: Wolfgang Walter , LKML , Hannes Frederic Sowa , Linux Kernel Network Developers Date: Wed, 06 May 2015 12:10:00 -0700 In-Reply-To: References: <1770409.aMESoOv08f@h2o.as.studentenwerk.mhn.de> <1958390.Ugr57PpLDS@h2o.as.studentenwerk.mhn.de> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 995 Lines: 34 On Wed, 2015-05-06 at 11:15 -0700, Cong Wang wrote: > (Cc'ing netdev.) > > On Sat, May 2, 2015 at 5:29 AM, Wolfgang Walter wrote: > > Am Samstag, 2. Mai 2015, 02:16:36 schrieb Wolfgang Walter: > >> Hello, > >> > >> kernel 4.0 (and 4.0.1) crashes immediately when I use traceroute6 with an > >> isatap-tunnel. > > > > I did some further tests. To trigger the crash you need > > > > * isatap-tunnel (probably any sit-tunnel will do it) > > * raw-socket > > * udp > > > > Using icmpv6 or tcp i.e. does not trigger it. > > > > Do you have a script to reproduce it? > > > Thanks for the bug report! > -- Please Wolfgang try to revert 32dce968dd987adfb0c00946d78dad9154f64759 ("ipv6: Allow for partial checksums on non-ufo packets") -- 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/