From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mga11.intel.com ([192.55.52.93]:52305 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753540Ab3AKFWx (ORCPT ); Fri, 11 Jan 2013 00:22:53 -0500 Date: Fri, 11 Jan 2013 13:22:50 +0800 From: Fengguang Wu To: "Myklebust, Trond" Cc: "linux-nfs@vger.kernel.org" Subject: Re: [SUNPRC] BUG: unable to handle kernel NULL pointer dereference at 0000000000000070 Message-ID: <20130111052250.GA13133@localhost> References: <20130111024644.GA9508@localhost> <4FA345DA4F4AE44899BD2B03EEEC2FA9119984C5@SACEXCMBX04-PRD.hq.netapp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <4FA345DA4F4AE44899BD2B03EEEC2FA9119984C5@SACEXCMBX04-PRD.hq.netapp.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Fri, Jan 11, 2013 at 04:24:45AM +0000, Trond Myklebust wrote: > On Fri, 2013-01-11 at 10:46 +0800, Fengguang Wu wrote: > > tree: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next > > commit: 51b63a538c54cb9c3b83c4d62572cf18da165cba [1/1] SUNRPC: Ensure we release the socket write lock if the rpc_task exits early > > > > [ 106.308511] md: autorun ... > > [ 106.309477] md: ... autorun DONE. > > [ 107.923634] BUG: unable to handle kernel NULL pointer dereference at 0000000000000070 > > [ 107.926207] IP: [] xprt_release+0x24/0x1cb > Hi Fengguang, > > Thanks for testing! The above Oops should be fixed in commit > 87ed50036b866db2ec2ba16b2a7aec4a2b0b7c39, which is in the current > linux-next branch on git.linux-nfs.org. It was due to a missing test for > task->tk_client != NULL. Yes, sorry that bug was actually caught several days before, however I was too busy to look into it.. > I should also have fixed the RCU dereference warning that the build > robot found on Tuesday. Trond, thank you for the fixes! Thanks, Fengguang