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 1DF40E71D3D for ; Fri, 29 Sep 2023 14:29:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233410AbjI2O3W (ORCPT ); Fri, 29 Sep 2023 10:29:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232630AbjI2O3V (ORCPT ); Fri, 29 Sep 2023 10:29:21 -0400 Received: from mail-ot1-f71.google.com (mail-ot1-f71.google.com [209.85.210.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54EE41AC for ; Fri, 29 Sep 2023 07:29:19 -0700 (PDT) Received: by mail-ot1-f71.google.com with SMTP id 46e09a7af769-6c4b9cab821so26632499a34.0 for ; Fri, 29 Sep 2023 07:29:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695997758; x=1696602558; 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=qLNYUvgMbabObe54YV0karBMGjsfh+7I5wYZ60IM97s=; b=lNObq8KUmM1+9DoxN9DwML40yXRl9e8jeNxDH9Vu028y0/0sLTRX9vAD+s7oW+DfqL sl93QioKrlEC6SNGZU+OR4vb9dULvVj359RMgXE+7behoo4H4jHIrpKBXK5DxXjxtqMp TeitPrhfqgr06K46QLDlkcXaUEsv595QfrC4dppHcn1rPoJGu13T9KqUYO4CA6/+prIj pBPdWTSkTZd5hBGCdlI5mI6yiNc+f+AmB+NKxF9QDniQiC2f2EAlHH4WSBpDiB6W3jed wrY0KgKicEtSK9KawwxtB5NOk5necDUK8K86Z0I4sasPoTETJWmn09vLHWF0CUQ7ufAK IAsw== X-Gm-Message-State: AOJu0Yxbz4YdfrBv2Zfmp71f2mzbN06Pj4b6W1VHeTGEI9ZBHw0KzUhr mp0EbkaY5f9wysCORtMmQDT7f3WYoZMuwnxLz4yJSVLEk/t1 X-Google-Smtp-Source: AGHT+IG9OxQod939WyJcDOMakaPerThj04UyypSfq5sPAWlD5D37uESD2tGQLWQZKBYvHdw4rTZ+6ZUDvxSn+5Ah0pz7GJKY3YKo MIME-Version: 1.0 X-Received: by 2002:a9d:6a50:0:b0:6c0:a3e0:f9e9 with SMTP id h16-20020a9d6a50000000b006c0a3e0f9e9mr1165244otn.4.1695997758619; Fri, 29 Sep 2023 07:29:18 -0700 (PDT) Date: Fri, 29 Sep 2023 07:29:18 -0700 In-Reply-To: <0000000000005697bd05fe4aea49@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f147d80606803f1d@google.com> Subject: Re: [syzbot] [ext4?] WARNING in ext4_iomap_begin (2) From: syzbot To: adilger.kernel@dilger.ca, bfoster@redhat.com, jack@suse.cz, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ritesh.list@gmail.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org syzbot has bisected this issue to: commit 310ee0902b8d9d0a13a5a13e94688a5863fa29c2 Author: Brian Foster Date: Tue Mar 14 13:07:59 2023 +0000 ext4: allow concurrent unaligned dio overwrites bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10a8442a680000 start commit: 9ed22ae6be81 Merge tag 'spi-fix-v6.6-rc3' of git://git.ker.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=12a8442a680000 console output: https://syzkaller.appspot.com/x/log.txt?x=14a8442a680000 kernel config: https://syzkaller.appspot.com/x/.config?x=12da82ece7bf46f9 dashboard link: https://syzkaller.appspot.com/bug?extid=307da6ca5cb0d01d581a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15eb672e680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16219bc6680000 Reported-by: syzbot+307da6ca5cb0d01d581a@syzkaller.appspotmail.com Fixes: 310ee0902b8d ("ext4: allow concurrent unaligned dio overwrites") For information about bisection process see: https://goo.gl/tpsmEJ#bisection