From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f69.google.com (mail-oa1-f69.google.com [209.85.160.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E93592C030E for ; Sat, 2 May 2026 20:32:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777753943; cv=none; b=Irft6Ic7zH4sZO6kK/G3ZBIRdoI6QRc8sGHAXd+3ks+LEKA22KQBYn3D4qK8rq9oHigDDkcfj0ix0QfprmMZm0TlbjAtI8DzgIediXN623hGlOEb58+Eg/zYH/EzmffI00x81iG5ec4I2Mk1QHwEsR/Ek8d6bKwFwVC913PGH5Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777753943; c=relaxed/simple; bh=HAaTem14nkaSO4adntdVlnBkMEB7DUn62oG4gzRWtXY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=WO0JWf3kacRJVhqjjJXVl3MDcvA2YGuDPq+INXoBROMlQlOaJbd90j6S87wkmKyriMvJHswjZKClM+eKWd1R2v+1WfhVZzGaxoQzJi+X8+3Y0o0qhOm7ax+sgs3Odo60vfYFl3j+X3n7TjHrxW4gbzL6O0ehcpKFCmsXGwmIko0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.160.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oa1-f69.google.com with SMTP id 586e51a60fabf-415e1ea16b4so10249617fac.1 for ; Sat, 02 May 2026 13:32:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777753941; x=1778358741; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=rHFi1NmeB0NHDCFRjSf5jzoE1FkG+RT4CoH0Z83TUXI=; b=iNWymPWhaTqNYKpcnbudq5W1xfO7tDd7SnZMAplydVqUG4oGcpB0qnPlGaHYRYTxKM 2a5OLHABt1r1Qp8oIXeJC8eBzowJOeRrrvvPaVIR4fSH87wzrEyk5/xD/QUo4jRs1c50 p9N7Lrktyx1K4exkDGCFVQC8d07TzFT6miq1JIhKtrCAnweRZ2maDkxtLV0xeEZlwd1R 6lrTOEKYI7Zq/6v99L4+x7RlZgogyZU39XwO+x0AXYyaCK3wTNyUVP77Uz6JfcMFB7IA 03d7CXybHWfT06jyKoGl436eomE7Nh26FAL6uvp8N8Dalo0P/TZjinq3EHw3viGerkVs WuMQ== X-Forwarded-Encrypted: i=1; AFNElJ/vm4uhP8tum/6Uych0YOCc0j9V1djgtdpEEOAoljR3fYahwWQDQsVYhn4qIX3jYDBeWrrHzoc/ajYAEg==@vger.kernel.org X-Gm-Message-State: AOJu0YwOLk1mCZZk9UEin9cocQSIvoHPhSBv7k6KbSreXIWSlGwSyUXC 2dsw3wYzllwatiCOHd/ZacodGRnJzGjO79SesPUW1cDFPgzyRoRxuH/MRiRbzLyfhWEBw5Yh0Oe 3xR3cvWDPIM6kLpVFNzdlpZ5a/5WCkXid/jzCnIbR8T6wB8VCzBwvFQh8RAA= Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:ee0e:0:b0:694:914f:c18f with SMTP id 006d021491bc7-696979c9863mr2002728eaf.3.1777753940903; Sat, 02 May 2026 13:32:20 -0700 (PDT) Date: Sat, 02 May 2026 13:32:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69f65f54.050a0220.312cd3.0024.GAE@google.com> Subject: [syzbot] Monthly btrfs report (May 2026) From: syzbot To: clm@fb.com, dsterba@suse.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello btrfs maintainers/developers, This is a 31-day syzbot report for the btrfs subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/btrfs During the period, 3 new issues were detected and 0 were fixed. In total, 32 issues are still open and 114 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 11326 Yes BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! (7) https://syzkaller.appspot.com/bug?extid=74f79df25c37437e4d5a <2> 5639 Yes WARNING in btrfs_space_info_update_bytes_may_use https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb <3> 1345 Yes WARNING in btrfs_create_pending_block_groups (2) https://syzkaller.appspot.com/bug?extid=b0643a1387dac0572b27 <4> 783 Yes WARNING in btrfs_chunk_alloc https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7 <5> 532 Yes WARNING in cleanup_transaction https://syzkaller.appspot.com/bug?extid=021d10c4d4edc87daa03 <6> 473 Yes possible deadlock in lookup_slow (3) https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3 <7> 472 Yes WARNING in __btrfs_free_extent (3) https://syzkaller.appspot.com/bug?extid=480676efc0c3a76b5214 <8> 457 Yes WARNING in btrfs_remove_chunk https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430 <9> 271 Yes WARNING in btrfs_release_global_block_rsv (2) https://syzkaller.appspot.com/bug?extid=48ed002119c0f19daf63 <10> 163 Yes WARNING in btrfs_run_delayed_refs (2) https://syzkaller.appspot.com/bug?extid=810ea5febd3b79bdd384 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.