From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 9DAA313D52B for ; Sun, 22 Dec 2024 07:05:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734851124; cv=none; b=QI6QOc6uPN2px3SEcEYFj77Zow4bacrTc6zjgqwgRciEPky9asz6571slf4jbAJ/auSqiEF0yLzkXQFLA0fgY2v2fUog1N6w7WXnejQXTid7kyL+s7Pi7Skclih4Hcqwi740C3b8M7KbdX2UT1gEM2Qw48Z97Wr2EPtJcmokZvo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734851124; c=relaxed/simple; bh=PNegf3bFlJXcVlmlllcmWn2Muyqx6WbO8ikALr0GQFU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=YM0MlK6v2k5XoNHsHaaHH1XHOZdJLwFWvl+K3tC7He7WezKKXmxgRMBFv4ljQUh1ap60c/cMy3YVOmycz8FnGOJqXUIdTMXCTU0QW55wCk4bO5p4gbugSf8pOkPGG6KgOjo5bAajTM5yuEFmoOs/lhRi97fWT1Ty4nMv7bEnZvk= 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=209.85.166.205 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-il1-f205.google.com with SMTP id e9e14a558f8ab-3a7d85ab308so28829205ab.3 for ; Sat, 21 Dec 2024 23:05:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734851122; x=1735455922; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=XmoCRLkY6I+jgLgj0zkUOOAsUGcwh8Ol0VulYvPl6FI=; b=Nb/4qRW5/LoDZzOBZtobsN+gNhz/Vqyp/7sTAY16HHs2c2aJRWRqDTRgxnsdi0x7Rx PoCOSJtTUCusLHAgdCYra6gKk1q7mqHsvEh63XCQsKFHTiIAyRUWisD7uyw8/3AGW7y9 BAFzoCv1AlN4Oe70b+Nl/vrQ2ezCY6z9RttOZ5qy1QV6eylkCN2Ri2mUyZgUcxw445Rr cDoW7oIkmDtTzmRhYnshgCzNEHWUzO8xtVipcbXFpfbuTgo6p4ZAnI7EI7aM7YYlTjtG GpMc6dniTfRiJ+Ewm6MFHXjKSh+1xz8ZJrclTrBD1UZr+emy40bQprQVa88up011thfZ NC7A== X-Forwarded-Encrypted: i=1; AJvYcCXNymvqdBoPg538zQuIxPM0OQRqawiHTLxbSIAB7baqJ+aOtBxhYngog90ahgRjitck/h1bHgY7Wgxzcnk=@vger.kernel.org X-Gm-Message-State: AOJu0YyJbJ9YQbQwLNF9u+9amSaoHTXe8yJ97he8ZmX2Ycjir38tMZrk m1RSMvq5FcHdowi4/qxhmK3gW8eYZdzJoYayAjW93C5jOAnmyYYuaE0MzwNtPMC51LofmqhN484 ASd3kwnzyfdp4hWOIWLSsLzTPD4FYTHTzhIKZP0P8R96QDvhC4TmYXGY= X-Google-Smtp-Source: AGHT+IGzHgDt9/GFaGV3DI+15BlSA/J1KYG9eMziHH5AON43o13av5whl3lFrlAhFebxJDAwNPd6Pj+uqQzQiC1R7b0hf45HIFs1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c24c:0:b0:3a7:fe8c:b004 with SMTP id e9e14a558f8ab-3c2d2782c53mr60071215ab.11.1734851121855; Sat, 21 Dec 2024 23:05:21 -0800 (PST) Date: Sat, 21 Dec 2024 23:05:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6767ba31.050a0220.25abdd.0138.GAE@google.com> Subject: [syzbot] [bluetooth?] WARNING in sco_conn_put From: syzbot To: johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, marcel@holtmann.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: d3c9510dc900 net: page_pool: rename page_pool_is_last_ref() git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=17efd730580000 kernel config: https://syzkaller.appspot.com/x/.config?x=87a291e9e8ffbb16 dashboard link: https://syzkaller.appspot.com/bug?extid=b1f28526bea4dce0f04f compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4e4dd3da989d/disk-d3c9510d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fd16db384609/vmlinux-d3c9510d.xz kernel image: https://storage.googleapis.com/syzbot-assets/7903aba8a210/bzImage-d3c9510d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b1f28526bea4dce0f04f@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8522 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 8522 Comm: syz.1.688 Not tainted 6.13.0-rc2-syzkaller-00457-gd3c9510dc900 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2256 Code: ff e8 71 e8 37 00 90 0f 0b 90 e9 b2 fe ff ff e8 63 e8 37 00 eb 13 e8 5c e8 37 00 eb 0c e8 55 e8 37 00 eb 05 e8 4e e8 37 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc RSP: 0018:ffffc9000485f888 EFLAGS: 00010087 RAX: ffffffff816775e4 RBX: ffff88802abf1e00 RCX: 0000000000080000 RDX: ffffc90005282000 RSI: 00000000000002f5 RDI: 00000000000002f6 RBP: 0000000000000000 R08: ffffffff81676a44 R09: 0000000000000000 R10: ffffc9000485f960 R11: fffff5200090bf2d R12: ffff88805a00d800 R13: ffff88805a00d9c0 R14: dffffc0000000000 R15: 0000000000000008 FS: 00007fbe34d8a6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c352926 CR3: 0000000028684000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_delayed_work_on+0x1ca/0x390 kernel/workqueue.c:2552 sco_conn_free net/bluetooth/sco.c:91 [inline] kref_put include/linux/kref.h:65 [inline] sco_conn_put+0x145/0x210 net/bluetooth/sco.c:107 sco_chan_del+0xa3/0x180 net/bluetooth/sco.c:236 sco_sock_close net/bluetooth/sco.c:526 [inline] sco_sock_release+0xb3/0x320 net/bluetooth/sco.c:1300 __sock_release net/socket.c:640 [inline] sock_close+0xbc/0x240 net/socket.c:1419 __fput+0x23c/0xa50 fs/file_table.c:450 task_work_run+0x24f/0x310 kernel/task_work.c:239 get_signal+0x15f7/0x1750 kernel/signal.c:2790 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbe33f85d29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe34d8a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: fffffffffffffffc RBX: 00007fbe34175fa0 RCX: 00007fbe33f85d29 RDX: 0000000000000008 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007fbe34001a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbe34175fa0 R15: 00007ffe3e4f91f8 --- 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