From: Dmitry Monakhov Subject: Re: NULL pointer dereference in ext4_ext_remove_space on 3.5.1 Date: Mon, 17 Sep 2012 18:48:06 +0400 Message-ID: <87d31keme1.fsf@openvz.org> References: <20120816024654.GB3781@thunk.org> <87fw6get5z.fsf@openvz.org> <20120917135215.GA26919@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Marti Raudsepp , Kernel hackers , ext4 hackers , maze@google.com To: Theodore Ts'o Return-path: Received: from mail-lb0-f174.google.com ([209.85.217.174]:33064 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755282Ab2IQOsK (ORCPT ); Mon, 17 Sep 2012 10:48:10 -0400 In-Reply-To: <20120917135215.GA26919@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon, 17 Sep 2012 09:52:15 -0400, Theodore Ts'o wrote: > On Mon, Sep 17, 2012 at 04:21:44PM +0400, Dmitry Monakhov wrote: > > On Wed, 15 Aug 2012 22:46:54 -0400, Theodore Ts'o wrote: > > > On Wed, Aug 15, 2012 at 09:33:29PM +0300, Marti Raudsepp wrote: > > > > I was moving and deleting some files between two of my ext4 partitions > > > > when it suddenly crashed and dropped me into an kernel oops screen > > > > (below). I'm using ext4 on kernel 3.5.1 (Arch Linux). > > Ohh, I've missed that gigantic topic, but still i've found the bug. > > patch is available here http://patchwork.ozlabs.org/patch/183649/ > > Dmitry, we have a patch in mainline already which addresses this, and > it's already backported to v3.5.3 or later. > > What version was your patch series based against? patch-set was prepared against d0f56971992a0bcc7 (old ext4.git's HEAD) And you right your patch fixed the issue. So you can ignore my version. but other patches from the 'Bunch of DIO/AIO fixes V2' queue are still valid an applies to recent git tree w/o problems. Should i resend whole series or you'll pick original one? > > - Ted > -- > 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/