From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Morris Subject: Re: PROBLEM: kernel BUG at net/ipv6/ip6_output.c:718 Date: Tue, 3 Oct 2006 09:56:05 -0400 (EDT) Message-ID: References: <20060828004906.GC20092@ripe.net> <20060829082828.GA8625@gondor.apana.org.au> <20060831151243.GJ3590@ripe.net> <20060901070557.GA15731@gondor.apana.org.au> <20060901162248.GI19284@ripe.net> <20060925121530.GC18667@gondor.apana.org.au> <20060926112122.GU22330@ripe.net> <20060928003829.GA8952@gondor.apana.org.au> <20060928084018.GA15141@ripe.net> <20061003054935.GA23963@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: cagri coltekin , netdev@vger.kernel.org, davem@davemloft.net, pekkas@netcore.fi Return-path: Received: from mail1.sea5.speakeasy.net ([69.17.117.3]:8859 "EHLO mail1.sea5.speakeasy.net") by vger.kernel.org with ESMTP id S1750853AbWJCN4I (ORCPT ); Tue, 3 Oct 2006 09:56:08 -0400 To: Herbert Xu In-Reply-To: <20061003054935.GA23963@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, 3 Oct 2006, Herbert Xu wrote: > On Thu, Sep 28, 2006 at 10:40:18AM +0200, cagri coltekin wrote: > > > > No. Bug is the first after boot: > > OK, I think I've got the right bug this time. > > [UDP6]: Fix flowi clobbering > > The udp6_sendmsg function uses a shared buffer to store the > flow without taking any locks. This leads to races with SMP. > This patch moves the flowi object onto the stack. > > Signed-off-by: Herbert Xu Nice catch. Acked-by: James Morris -- James Morris