From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752676Ab2DCGC7 (ORCPT ); Tue, 3 Apr 2012 02:02:59 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:38648 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751742Ab2DCGC6 (ORCPT ); Tue, 3 Apr 2012 02:02:58 -0400 Date: Tue, 3 Apr 2012 08:02:52 +0200 From: Ingo Molnar To: Peter Zijlstra Cc: Bruno =?iso-8859-1?Q?Pr=E9mont?= , "Eric W. Biederman" , linux-kernel@vger.kernel.org, Greg KH , Linus Torvalds Subject: Re: [3.4-rc1 crash]: NULL pointer deref in fs/sysfs/group.c:create_files -- sysctl related? Message-ID: <20120403060252.GA27084@gmail.com> References: <20120402162716.4c93bfd3@pluto.restena.lu> <20120402165036.2bc987ad@pluto.restena.lu> <20120402213440.49e9de74@neptune> <1333401898.2960.78.camel@laptop> <1333403193.2960.80.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1333403193.2960.80.camel@laptop> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra wrote: > On Mon, 2012-04-02 at 23:24 +0200, Peter Zijlstra wrote: > > On Mon, 2012-04-02 at 21:34 +0200, Bruno Prémont wrote: > > > > >> [ 0.996198] Pid: 1, comm: swapper/0 Not tainted 3.4.0-rc1-x86_64 #3 HP ProLiant DL360 G4 > > > > Is this a netburst based space heater? > > In particular, does: https://lkml.org/lkml/2012/3/27/182 , sort it? > > Ingo, could you pick that one up and route it Linus wards? Will do - but the underlying generic bug should be fixed as well: we must not crash just because some attributes are missing in a rarely used sub-driver ... We should WARN_ON(), etc. - but not crash. Thanks, Ingo