Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756846Ab2JJO47 (ORCPT ); Wed, 10 Oct 2012 10:56:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59483 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754050Ab2JJO46 (ORCPT ); Wed, 10 Oct 2012 10:56:58 -0400 Date: Wed, 10 Oct 2012 10:56:44 -0400 From: Dave Jones To: Jiri Slaby Cc: Linux Kernel , Alan Cox , Jiri Slaby Subject: Re: ODEBUG: free active (active state 0) object type: work_struct hint: flush_to_ldisc+0x0/0x1a0 Message-ID: <20121010145644.GA15843@redhat.com> Mail-Followup-To: Dave Jones , Jiri Slaby , Linux Kernel , Alan Cox , Jiri Slaby References: <20121010042656.GA32075@redhat.com> <50752DC0.1090508@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <50752DC0.1090508@suse.cz> 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 Content-Length: 896 Lines: 26 On Wed, Oct 10, 2012 at 10:11:44AM +0200, Jiri Slaby wrote: > On 10/10/2012 06:26 AM, Dave Jones wrote: > > Just hit this.. > > That'd be me perhaps. Do you have some serial device connected? Or is it > a pure terminals + ptys? There's a usb serial tty connected. other than that, just regular ptys. > Did you do something special? This very smells Box had been running fuzz testing for ~9 hours. Unfortunatly because of another bug that still isn't fixed, I can't narrow down the window yet. > like tty_port is being freed while flushing work_struct is still active. The fuzzer forks multiple processes, so this sounds feasible. Dave -- 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/