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 DAABAC77B7F for ; Thu, 11 May 2023 06:15:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236172AbjEKGPc (ORCPT ); Thu, 11 May 2023 02:15:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237049AbjEKGP3 (ORCPT ); Thu, 11 May 2023 02:15:29 -0400 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CE4B421A for ; Wed, 10 May 2023 23:15:27 -0700 (PDT) Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-331663d8509so122246295ab.0 for ; Wed, 10 May 2023 23:15:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683785726; x=1686377726; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=dLAHlnW18J3ayWajoJkbp6lkX65Y1Y64Dsrkn5HyXys=; b=KN587vdr/jJN9inVg3VZIs3Bv8fp9fsrom/StrI09Z2r3OlKCIQoVLVY5TzIeN4p5M IJ2DRlKv94A5NeTV1Q5/2WoU75+NWnIc47HbNdJBUwf4lw4PfAXFYS677D2+1AZNx1jO BbgqHxkJ4wB+cqJlIpVdc4EqqGCHOxHqx6eI+URru9TV8es0znbZjbDrlW5nvHji4K+d FqybQTI62z/lSlr+sfue57Do7x1fSH2CGSZkJL6fAaRXjy/Hz8XHsrLoXBkuiYteT4s6 MkhlyRNEMftOwagabe16UDYH0TisISVhiAZq8wAoh4p6buWNH/CFwN8ranngTTdqmtp6 H1Cw== X-Gm-Message-State: AC+VfDwejA9HfP7iwmGChLJ1qzO85p7zD01vSwie+seSAyaQ5Zqmkebe MWM80PbVbMn1vnVPARU9cYuE25t0WhzDTkw+7M5ZvvrUBpZ5 X-Google-Smtp-Source: ACHHUZ6yvxzia8K5bqOIRLxJYZeu6ltxVUJ+CKrR6EbTo4IyZ9g273GGCZ7A663uAMysUgMSPPasigEBgavPCpj4W/XwVrtzz+X+ MIME-Version: 1.0 X-Received: by 2002:a92:c9c6:0:b0:335:fef6:6b84 with SMTP id k6-20020a92c9c6000000b00335fef66b84mr345927ilq.1.1683785726767; Wed, 10 May 2023 23:15:26 -0700 (PDT) Date: Wed, 10 May 2023 23:15:26 -0700 In-Reply-To: <0000000000009b5b5705fb5dfda0@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001f3bf005fb64ea0a@google.com> Subject: Re: [syzbot] [ext4?] WARNING in __ext4fs_dirhash From: syzbot To: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15ecb2fa280000 start commit: 578215f3e21c Add linux-next specific files for 20230510 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=17ecb2fa280000 console output: https://syzkaller.appspot.com/x/log.txt?x=13ecb2fa280000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb5a64fc61c29c5f dashboard link: https://syzkaller.appspot.com/bug?extid=344aaa8697ebd232bfc8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13b80e32280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=113f582a280000 Reported-by: syzbot+344aaa8697ebd232bfc8@syzkaller.appspotmail.com Fixes: 08dd966cfd2b ("ext4: improve error handling from ext4_dirhash()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection