From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 4C54037648C for ; Thu, 29 Jan 2026 09:07:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769677650; cv=none; b=m2vJRm+CUDyFcw7GPA/xJbytHgV/zBypqlIeYSp80CKMkbgjJtkQAWwxy6QrETSmYEZk/cfHyz6y8EQyFoZxnI/hsS93xwVjsPAWaPrqRvKX92VTfbIiDIXpQg4VAlilkokbR99eOL2EyoEIZ5GS1fIwNkw2xRwceQZno2Zhgi4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769677650; c=relaxed/simple; bh=NSxZzN4zQYQRzw3y+N+CD/LGGWHw/dUtdEmOUZfKQn0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=hP40FmmN8DYKu9J6PUoR9sfCD4RRZ1fJ/8UFNH0JU3u+d2FrfFn7y7zYpLNx0iERFP8fshREqkgh2QC7YC1GnBeqN7HS0wH+3A7F7CvK0n2Y3/Q/gCqQJiuICRB+8X24FJ/avpi0ISPOquQE4xB0GTdNz5dsrlviMR96n0SuwD4= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-662fdcd3af9so3195617eaf.1 for ; Thu, 29 Jan 2026 01:07:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769677645; x=1770282445; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=cRvMJbq9ydTkGeOFJHGxZ5AydHsltv621xO3SvO3qck=; b=eWn0offdOJGdlHVhoxJxqnDhqAPRG4n6Ff9rjZkp4SYwmOethHOuEkH1+q4HszTB1s qbUotZ+CIWuRM+g2Wh0Hs83+fuXmQKp9DvwnaTjshHx4K878tthXPz5Yk8ABvEPi2jp1 5E3HUNMImDAF82jva0b7OeT+pESWivXgpcwDBlnhv1OwZdSTenPEkpah2u/wHACiayad 8gOBNKjJo7qRcaHVP5hgtlH81hX6cESo6hO+rnu2rrlyuU8EQ0Nqp0e/X7z5Y9iWHvSS SP/HHBJdLpTXg9KINxK1PdYiNxdhvLwnnwDvVqvBjiDbwTuQA7xLdd4AYR0Tg4Soqds0 F0Ww== X-Forwarded-Encrypted: i=1; AJvYcCXuSjx7hOlSLg2ZAgJafqJtBhsaJzUgJ/hLuTXz8Bvoisbpaopir4vXVZieBLgSopEEIjwytw6HP6gkF2c=@vger.kernel.org X-Gm-Message-State: AOJu0YzwImea1EvQ5o0eWjpb0oZEx9Jfy3CILIixh6q+YYgISK8mnXhN AOgscUxtGkiK2QmrXYX/Jn4jxz+KTmeYWDoMprqmZQU1Kfe4Yu9DTg3GyH+LS+nnr0Gt+/D2rWY V7zUCCXMy8ktvUTUsal6PKzONBJcQEJs7RgCprvC65xzjuKILsQ2xtw1Koeo= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1622:b0:65f:1038:130c with SMTP id 006d021491bc7-662f212824amr4921721eaf.53.1769677645797; Thu, 29 Jan 2026 01:07:25 -0800 (PST) Date: Thu, 29 Jan 2026 01:07:25 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <697b234d.a00a0220.35f26.0006.GAE@google.com> Subject: [syzbot] Monthly btrfs report (Jan 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, 2 new issues were detected and 1 were fixed. In total, 43 issues are still open and 112 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 10989 Yes BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! (7) https://syzkaller.appspot.com/bug?extid=74f79df25c37437e4d5a <2> 6564 Yes kernel BUG in close_ctree https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18 <3> 5425 Yes WARNING in btrfs_space_info_update_bytes_may_use https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb <4> 1331 Yes WARNING in btrfs_create_pending_block_groups (2) https://syzkaller.appspot.com/bug?extid=b0643a1387dac0572b27 <5> 1215 Yes WARNING in btrfs_commit_transaction (2) https://syzkaller.appspot.com/bug?extid=dafbca0e20fbc5946925 <6> 676 Yes WARNING in btrfs_chunk_alloc https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7 <7> 480 Yes WARNING in cleanup_transaction https://syzkaller.appspot.com/bug?extid=021d10c4d4edc87daa03 <8> 437 Yes WARNING in btrfs_remove_chunk https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430 <9> 264 Yes WARNING in btrfs_release_global_block_rsv (2) https://syzkaller.appspot.com/bug?extid=48ed002119c0f19daf63 <10> 193 Yes WARNING in btrfs_put_block_group https://syzkaller.appspot.com/bug?extid=e38c6fff39c0d7d6f121 --- 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.