From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: fuzzying a user mode linux image often core dumps with Date: Sat, 20 Jul 2013 21:03:52 -0400 Message-ID: <20130721010352.GB21484@thunk.org> References: <51EAA7A7.4000104@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-ext4@vger.kernel.org, "user-mode-linux-devel@lists.sourceforge.net" To: Toralf =?iso-8859-1?Q?F=F6rster?= Return-path: Received: from li9-11.members.linode.com ([67.18.176.11]:39611 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755216Ab3GUBD6 (ORCPT ); Sat, 20 Jul 2013 21:03:58 -0400 Content-Disposition: inline In-Reply-To: <51EAA7A7.4000104@gmx.de> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sat, Jul 20, 2013 at 05:07:19PM +0200, Toralf F=F6rster wrote: > I do run the fuzzer trinity within a 32 bit user mode linux. > With latest git tree I do often get a core dump like the one attached= =2E >=20 > Although it is the nature of trinity to corrupt the kernel /me wonder= s why it happens nearly alway > at the same place. That's why I decided to just report it here. Thanks, this is a known problem for which the fix is can be found here: http://patchwork.ozlabs.org/patch/260250/ I hope to get this fixed before -rc2 is released; the only question at the moment is whether the fix is going to go to Linus via the ext4 tree or the VFS tree.... - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1V0id3-0005Da-PI for user-mode-linux-devel@lists.sourceforge.net; Sun, 21 Jul 2013 01:40:05 +0000 Received: from li9-11.members.linode.com ([67.18.176.11] helo=imap.thunk.org) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1V0id2-0002B3-0H for user-mode-linux-devel@lists.sourceforge.net; Sun, 21 Jul 2013 01:40:05 +0000 Date: Sat, 20 Jul 2013 21:03:52 -0400 From: Theodore Ts'o Message-ID: <20130721010352.GB21484@thunk.org> References: <51EAA7A7.4000104@gmx.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <51EAA7A7.4000104@gmx.de> List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] fuzzying a user mode linux image often core dumps with To: Toralf =?iso-8859-1?Q?F=F6rster?= Cc: linux-ext4@vger.kernel.org, "user-mode-linux-devel@lists.sourceforge.net" On Sat, Jul 20, 2013 at 05:07:19PM +0200, Toralf F=F6rster wrote: > I do run the fuzzer trinity within a 32 bit user mode linux. > With latest git tree I do often get a core dump like the one attached. > = > Although it is the nature of trinity to corrupt the kernel /me wonders wh= y it happens nearly alway > at the same place. That's why I decided to just report it here. Thanks, this is a known problem for which the fix is can be found here: http://patchwork.ozlabs.org/patch/260250/ I hope to get this fixed before -rc2 is released; the only question at the moment is whether the fix is going to go to Linus via the ext4 tree or the VFS tree.... - Ted ---------------------------------------------------------------------------= --- See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=3D48808831&iu=3D/4140/ostg.cl= ktrk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel