From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 DF4B123315A for ; Mon, 29 Dec 2025 10:21:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767003680; cv=none; b=Hv8Sv8qjpsSlhTeG5N4G4dhxXlaq8J0GoHZM2D/DT8ZfmB7LP3rE6FVt8zCyDpHbPhrblNziq0zA8KWJ8whCoslKSY9B29KcPJHoUHJYslBDsu+ofXw+MdgDyIYdn3sf9YcDF65mZBmskY65YNDOSa0/tGYmINUklKvHg+to2wg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767003680; c=relaxed/simple; bh=JpdDEKuoBtfYiqCkPmc3kdkjHncJTY7Ra/vMWjTM0aU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SLxZK1XdW/t0qa3421IpPxZFutkpfIL4NSfFMcQXK7TYmwP8uGwpjNPK506o+HEt0Nuq3GSzqExCCI+IWOp0bNCx33KzPHADVyHdMS/epNi29P3QwSihWoZAC/UflYfRKYz7a6X8c1bGCmzlB7+EiT8R6mcILyFRXqpEmFKVi7A= 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=209.85.161.70 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-f70.google.com with SMTP id 006d021491bc7-6574d564a9eso16580083eaf.2 for ; Mon, 29 Dec 2025 02:21:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767003678; x=1767608478; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=1mSHqr88X1kzaEk4k0oBbkdJ4u69CJs1SX+JiRNc6aY=; b=isSFeQhw9ePHL4fNXpTKAnbpaMdYDkqiML25Su6yT1FzPO938GWJA9jypEnOj5UEmE 0i//auViAkFDRvIJpmcB1BWaHUmd5TwRYlKXt2clvScitfygoDpkHoRHJPfLxkxE8p0v DtP4FPvyhVQBLOHRWmnscQBhi1cguC5WdbpeJJTpggAp52MO8z+h8N/z4Pi/Mik+lWaQ mXQPtVwcwkC1j6VicAPy6VlRDFPL+nckEvA3gp/vo7QikOSP4rI/iW/qxV5Lyem4FvFt ZQtyil1pWkliLY+zSF4U/BzPr0dHjPzAlDeU1hEeCd9XqhV9JDfLXJgJl9gXrz/VQw1S Cqnw== X-Forwarded-Encrypted: i=1; AJvYcCXN+NK9f7k0zL0GsxVjg9vw7jnW6S56R9NYpIY2QOoecufE9ockwL3huNz/SDR7Y1K9MP+qDEmaFcdBGQ0=@vger.kernel.org X-Gm-Message-State: AOJu0Ywe++E4xdRVVqnafgLwuSSF60SLHGbfGiBXgOKufEluqjhiGUH/ eW36b7s+yNkGT8nXhOOPu9/ZExZOYLbo5/CR4BH7dTRkKg6yhQjLoBL2ODEVZeOOTuaomNWdxTg Em/+CX49j77SuiKzrP+gqBX5WnMBHDyhO0PsIfgJv58Tl/K8+PMIdmWpzkX4= X-Google-Smtp-Source: AGHT+IFwAwS4nTemQVRGHpayBtg0ktLvbGzz68wkk0ytm8KBUtAOcRn1gPyDlGnC/A5DdvLAcUXT5ydmCS26vIazhgI7dQ4dG2lG Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1507:b0:659:9a49:9086 with SMTP id 006d021491bc7-65d0eb44ca3mr11080916eaf.81.1767003677949; Mon, 29 Dec 2025 02:21:17 -0800 (PST) Date: Mon, 29 Dec 2025 02:21:17 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6952561d.a70a0220.90d62.0039.GAE@google.com> Subject: [syzbot] Monthly btrfs report (Dec 2025) From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.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, 11 new issues were detected and 3 were fixed. In total, 47 issues are still open and 108 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 8846 Yes BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! (7) https://syzkaller.appspot.com/bug?extid=74f79df25c37437e4d5a <2> 6561 Yes kernel BUG in close_ctree https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18 <3> 5282 Yes WARNING in btrfs_space_info_update_bytes_may_use https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb <4> 1294 Yes WARNING in btrfs_create_pending_block_groups (2) https://syzkaller.appspot.com/bug?extid=b0643a1387dac0572b27 <5> 1196 Yes WARNING in btrfs_commit_transaction (2) https://syzkaller.appspot.com/bug?extid=dafbca0e20fbc5946925 <6> 659 Yes WARNING in btrfs_chunk_alloc https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7 <7> 474 Yes WARNING in cleanup_transaction https://syzkaller.appspot.com/bug?extid=021d10c4d4edc87daa03 <8> 428 Yes WARNING in btrfs_remove_chunk https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430 <9> 383 No possible deadlock in lookup_slow (3) https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3 <10> 178 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.