From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f80.google.com (mail-ot1-f80.google.com [209.85.210.80]) (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 DB75732A3FE for ; Tue, 6 Jan 2026 01:02:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767661344; cv=none; b=CZpvaA3WqbDs6zvajsHubXOvD+AVqVZ6SRqyzj+VSbTQooXpsTDe0KHvd9IX7ho3X122BAa+zZpEP2ft03kNFMOaZsrgZ6smT+YcvtQ/x6ROF5UZcG0n2s+NtizzaSV+LQxBY/ysuqjk+HQllNu1Df+rFClSD8cIKr3L+l+no2I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767661344; c=relaxed/simple; bh=CW5mH7R8jU22uKPKQQW9TGVcA/j74nIgvDwZikrQN5E=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=rU3wydCw1MQrZlGZp6H695gvoDoc9od88gfICqf2LPHJFQLAp1Z7uHpOg+ggrDjmXQeIZXnJrIMb5Cp/QZ4rdSMwfDSvM660JMprc6Ve6+jsIzCySWd77tjCI8uoxsSV0JJ1PlxcGV3k436744odj9Q8JkHj+afdsLq26mToQzM= 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=209.85.210.80 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-ot1-f80.google.com with SMTP id 46e09a7af769-7caf66b2866so1238678a34.3 for ; Mon, 05 Jan 2026 17:02:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767661342; x=1768266142; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=AECU3kGblORPS4UnsO7HEl0FKt2cbm56ofBHa9ZgJYg=; b=fyxzoj2X8vFddK6PH93XzIpA3f5ux3LYa955A+tKCI0BGAX18Qwd7Bhrbj6ONG7E1E ITXh/ZdAL8OKFY818UEXeSaamE3o70F8rVO38bQPoCVmUO45OJ3EyEm8Fa4CW3TfCv4+ Sc+ZdkfNnP5w6z2QT7tuDRypf2+RFsl/ZdxjNT7kHiqruepTjWsQIW1HzZ3Lwo1NKmPD hD3HpJ051nl/H1srryMVdKu5QScoa2qcAe3w7hCmY8LkT019fCb0Y18tmU9N65rTN/aH TCbrdRkNf8dW5wTx69wcPFA6GtKmbHNBZlz4BWFnhbBuYo99cAsdVcF3XU0lVy2wiuIv u5dg== X-Forwarded-Encrypted: i=1; AJvYcCXXWcEujn6f8QIuckrQL8Ip84XdfU9gOCcqEHZ/5tsbKB306BXtsv1s17n8uC0tt/nDNDdBojh/OFFsd40=@vger.kernel.org X-Gm-Message-State: AOJu0YwEc3yjtA2bJN7++tGMSMw2PCk7ImDEW3Py7BfKAgu8wbotIisv hrBsylR1+SlHs2G1M7u3dSiYA2FvcYuiVzuDXy96c+TvMphfP8FtDxZkybly/bolnKQ/AwY9W4j JLHkvRovtAHV0UYps3Luo0rLqla52Fgg43OD53PUO7pSpLgye+4lXcS/k3xw= X-Google-Smtp-Source: AGHT+IHgx/sxjiLkOPdW89o/aOmfCHot5DV+G0ahkV6nRW2ZWhQeRvp7tvLyYwRAK98ifwZEutgPW9jcQSiYzyFEqdG5pj3qcsAk Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:b303:0:b0:65f:20c8:5e7a with SMTP id 006d021491bc7-65f47a2701bmr642087eaf.67.1767661341776; Mon, 05 Jan 2026 17:02:21 -0800 (PST) Date: Mon, 05 Jan 2026 17:02:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <695c5f1d.050a0220.1c677c.0335.GAE@google.com> Subject: [syzbot] [btrfs?] WARNING in btrfs_put_transaction (5) 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, syzbot found the following issue on: HEAD commit: b69053dd3ffb wifi: mt76: Remove blank line after mt792x fi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=137c3fb4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a94030c847137a18 dashboard link: https://syzkaller.appspot.com/bug?extid=6d30e046bbd449d3f6f1 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/18036fd3b399/disk-b69053dd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/bcf4c5ec9d8e/vmlinux-b69053dd.xz kernel image: https://storage.googleapis.com/syzbot-assets/b4101a9d1eed/bzImage-b69053dd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6d30e046bbd449d3f6f1@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: fs/btrfs/transaction.c:145 at btrfs_put_transaction+0x52d/0x560 fs/btrfs/transaction.c:145, CPU#0: btrfs-transacti/1033 Modules linked in: CPU: 0 UID: 0 PID: 1033 Comm: btrfs-transacti Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:btrfs_put_transaction+0x52d/0x560 fs/btrfs/transaction.c:145 Code: 07 fc ff ff e8 94 2a f1 fd 4c 89 f7 be 03 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b9 1b be 00 e8 74 2a f1 fd 90 <0f> 0b 90 e9 6f fb ff ff e8 66 2a f1 fd 90 0f 0b 90 e9 8c fb ff ff RSP: 0018:ffffc900052e7970 EFLAGS: 00010293 RAX: ffffffff83cfcd4c RBX: ffff8880a4cba000 RCX: ffff888034bf3d00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: dffffc0000000000 R08: ffff8880a4cba013 R09: 1ffff11014997402 R10: dffffc0000000000 R11: ffffed1014997403 R12: ffff8880a4cba000 R13: 0000000000000000 R14: ffff8880a4cba358 R15: ffff88803251cc88 FS: 0000000000000000(0000) GS:ffff888125e1f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde9f8b92c CR3: 000000000dd3a000 CR4: 0000000000350ef0 Call Trace: btrfs_commit_transaction+0x22cf/0x3b10 fs/btrfs/transaction.c:2598 transaction_kthread+0x2b1/0x450 fs/btrfs/disk-io.c:1587 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 --- 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. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup