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