From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756057Ab3AFQKq (ORCPT ); Sun, 6 Jan 2013 11:10:46 -0500 Received: from mx1.redhat.com ([209.132.183.28]:28735 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756009Ab3AFQKo (ORCPT ); Sun, 6 Jan 2013 11:10:44 -0500 Date: Sun, 6 Jan 2013 11:10:30 -0500 From: Dave Jones To: Hillf Danton Cc: Linux Kernel , Linus Torvalds Subject: Re: oops in copy_page_rep() Message-ID: <20130106161030.GA16777@redhat.com> Mail-Followup-To: Dave Jones , Hillf Danton , Linux Kernel , Linus Torvalds References: <20130105152208.GA3386@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 On Sun, Jan 06, 2013 at 07:55:53PM +0800, Hillf Danton wrote: > On Sat, Jan 5, 2013 at 11:22 PM, Dave Jones wrote: > > I have no idea what happened here, but this is the first time I've seen this one. > > This was running a tree pulled yesterday afternoon. > > > Would you please try the following patch? I can, though it took a long time for me to hit this, so I can't guarantee I'll be able to say with certainty whether it's working. (perhaps there's a printk we could add for debugging to say "would have crashed here" ?) (The fuzzer frequently walks into other bugs first, it's unusual that it ran for the length of time it did when this happened) Dave