From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: Re: netfilter: Hung task Date: Mon, 19 Mar 2012 01:28:11 +0100 Message-ID: <20120319002811.GA30408@1984> References: <20120318141943.GA28850@1984> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kaber@trash.net, davem@davemloft.net, Dave Jones , netfilter-devel@vger.kernel.org, "linux-kernel@vger.kernel.org List" , netdev@vger.kernel.org, Christoph Lameter To: Sasha Levin Return-path: Received: from mail.us.es ([193.147.175.20]:49408 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756458Ab2CSA2T (ORCPT ); Sun, 18 Mar 2012 20:28:19 -0400 Content-Disposition: inline In-Reply-To: Sender: netfilter-devel-owner@vger.kernel.org List-ID: On Sun, Mar 18, 2012 at 10:52:55PM +0200, Sasha Levin wrote: > On Sun, Mar 18, 2012 at 4:19 PM, Pablo Neira Ayuso wrote: > > On Sun, Mar 18, 2012 at 12:55:13PM +0200, Sasha Levin wrote: > >> Hi all, > >> > >> I got the following spew after fuzzing using trinity on a KVM tools > >> guest, using the latest linux-next. > >> > >> It reminds me a lot of https://lkml.org/lkml/2012/3/14/375 and > >> https://lkml.org/lkml/2012/1/14/45 > > > > You mention neither Linux kernel version nor the way you trigger this. > > > > With that little information it's really hard to really know. > > Hum? I've mentioned it happened with "the latest linux-next" (which is > currently two days old), and using the trinity fuzzer - which means > that I don't have a specific method to reproduce the problem. Sorry, I should not read my email diagonally, really. Looking at the trace, I'd point to some problem in the slub memory allocator. Please, correct me if I'm wrong. Christoph?