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 DFC5BC77B75 for ; Fri, 12 May 2023 16:18:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230490AbjELQSg (ORCPT ); Fri, 12 May 2023 12:18:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230200AbjELQS3 (ORCPT ); Fri, 12 May 2023 12:18:29 -0400 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABB775B90 for ; Fri, 12 May 2023 09:18:27 -0700 (PDT) Received: from letrec.thunk.org (vancouverconventioncentre.com [72.28.92.215] (may be forged)) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 34CGIIad003669 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 May 2023 12:18:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1683908301; bh=GpnkiRtW7rXjGbeS39dZH0ye9mqW84HZwGVqjHiXw3Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=l0z69CSyw8a2Ti+sq7f4p9t4/YRD/GlJVNxaCRNyqR1x/FkhwGqKlicBIQR+Xk+RH X5Cao+Ye7fl61Vp3FllUw2EgyJeQSq+DqmDBgdss3QcWmoynuCiQZLIyrPI9twpF2Y 0bfabnOZ5IPjzVyh5wRHw2mwKsbftv+UC82Spb6Z1qoRFgJXynsNpQZMZfrU3HkGo3 LSrnIrF/xAbNXyVM+lp/TJzrjerzkMQKfcLqMIEtViLn054eVgAH06l02EWOGkHpZO Uu8m6DVCPzAprSuAVgFsFrhc7Tm6PkBuVfztlLHb5BWQqNWbuh87VC6Pz1z6AhTRNA VPbI6gR9UM0aA== Received: by letrec.thunk.org (Postfix, from userid 15806) id AF0A18C0439; Fri, 12 May 2023 12:18:17 -0400 (EDT) Date: Fri, 12 May 2023 12:18:17 -0400 From: "Theodore Ts'o" To: syzbot Cc: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [ext4?] WARNING in __ext4fs_dirhash Message-ID: References: <0000000000009b5b5705fb5dfda0@google.com> <0000000000001f3bf005fb64ea0a@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0000000000001f3bf005fb64ea0a@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Wed, May 10, 2023 at 11:15:26PM -0700, syzbot wrote: > syzbot has bisected this issue to: > > commit 08dd966cfd2bef467acd1835ae10c32356037bc3 > Author: Theodore Ts'o > Date: Sat May 6 15:59:13 2023 +0000 > > ext4: improve error handling from ext4_dirhash() > n.b. This was due to a debugging WARN_ON left behind in the patch. It's since been removed in ext4 dev tree and the updated commit is in linux-next. - Ted