From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2A5FC433F5 for ; Sun, 5 Dec 2021 20:42:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238761AbhLEUqI (ORCPT ); Sun, 5 Dec 2021 15:46:08 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:60115 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S238416AbhLEUqG (ORCPT ); Sun, 5 Dec 2021 15:46:06 -0500 Received: from callcc.thunk.org ([63.85.23.26]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 1B5KgYoH011880 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 5 Dec 2021 15:42:35 -0500 Received: by callcc.thunk.org (Postfix, from userid 15806) id 151DD4205DB; Sun, 5 Dec 2021 15:42:34 -0500 (EST) Date: Sun, 5 Dec 2021 15:42:34 -0500 From: "Theodore Y. Ts'o" To: Liu Wenqing Cc: Andreas Dilger , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Page fault in fs/ext4/namei.c: do_split when crafted image is mounted and operated Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Sat, Dec 04, 2021 at 01:08:07PM -0500, Liu Wenqing wrote: > > I have found a bug with our fuzzer, attached is the image, poc file and the > .config file and the details are as follows. Thanks for the report! I've opened: https://bugzilla.kernel.org/show_bug.cgi?id=215227 to track this issue. - Ted