Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756067AbZJDAfx (ORCPT ); Sat, 3 Oct 2009 20:35:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754357AbZJDAfw (ORCPT ); Sat, 3 Oct 2009 20:35:52 -0400 Received: from hera.kernel.org ([140.211.167.34]:56758 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753568AbZJDAfw (ORCPT ); Sat, 3 Oct 2009 20:35:52 -0400 Message-ID: <4AC7EDD7.3080906@kernel.org> Date: Sun, 04 Oct 2009 09:35:35 +0900 From: Tejun Heo User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Greg KH , Colin Guthrie , Kay Sievers , Linux Kernel Subject: Re: get_device_parent() race bug References: <4ABC7DB5.9010402@kernel.org> In-Reply-To: <4ABC7DB5.9010402@kernel.org> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Sun, 04 Oct 2009 00:34:52 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 773 Lines: 25 Tejun Heo wrote: > Hello, Greg, Kay, Guthrie. > > This problem was reported in bko#14023. (aiee.. again, sorry about > the delay) > > http://bugzilla.kernel.org/show_bug.cgi?id=14023 > > sysfs is creating several devices in cuse class concurrently and with > CONFIG_SYSFS_DEPRECATED turned off, it triggers the following oops. > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 Ping. This one needs to be fixed in -stable. It can be triggered by other char devices too. Thanks. -- tejun -- 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/