From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f208.google.com (mail-il1-f208.google.com [209.85.166.208]) (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 23ADB1990DE for ; Tue, 31 Dec 2024 16:34:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735662864; cv=none; b=B0EiRNimCSmhqigO1PArN3gJCsaY4qFQdCSdqZcl7Cyc9tQhxueprqwYAsNMZ3aKSe8D99zkjvEigdKt7Mo58mIcIjGaaM9IzgRWSr+OKSOe3ge2HwcJlKaLwPvGXZ6RzbibmiXFQeGHg9e6xWQ/K6nKM+44vPPMWEuMSk18MJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735662864; c=relaxed/simple; bh=q034Ft6XgYrHayngpj9wiGksmxcV5qvfR8xrQ6CXIXg=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=OOOcpBDwy3nCMvF6fN9r29bBo4D1R2vIhfPFN/kFt9NffaeEifK+zA6tnk96bTEMFnDYCPc/LNtAFPtwrSy2tkDvUG0E8hJwlWpFX7jhNoFkgqX1tIRBYHED9nmMd8db7dg/zFhRd0aroRDXPL6QZYOwWJivKCwxUw/CZiTzwUk= 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=209.85.166.208 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-f208.google.com with SMTP id e9e14a558f8ab-3a81684bac0so206923365ab.0 for ; Tue, 31 Dec 2024 08:34:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735662862; x=1736267662; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=YUqc60wkmW9huzVcTXr/oWHiaZ7P96lfYSrjifsWBvM=; b=Ke297eNa4tZDc9YrXFsxOI5PkSBemxTMqdF+7RwiEHB+e+oOs2fGUcWFApCBsXTfC4 aNPRz82JJKwN2YLWuvwi0I4a1elTxDOj/L1+q9QC2/2q6LrOIGTzVJq7mq7O75qLGLq4 2GfswXeFdij8ccMQAr8zWYmZw0kPUQDPAJnyzqbNmzSx2uk14hq3gX0R8TFfgNYkFFMO 6Mp6kTTMerM+BQgRdpfFJtHigxdfz3+ylj9P0kUY8mpYw3W9t4COL3id4mbzkyc7vedx Rv18lBykU1EvNzr1F225nNAo6gQ6GkyCdeuz1SlFF3+Qqc2wQeAGMCApj/Pq7jDOOcLV LdYA== X-Forwarded-Encrypted: i=1; AJvYcCWwewVk+DW8c1HxA+37/7oI2gx4jxjL99j09dzT72El9g57d7bcUET+leYXVWcmPrnBbo5y2BGnkes1t90=@vger.kernel.org X-Gm-Message-State: AOJu0YxdjjRSCCZCrJTUl8q4wlDfKZpMa41S5QxYUK1wnCqIWOaglf61 6jW41mPRTpnEfPHKRKEHy8s+dBHOZiQ29JXOZPcTE5LZueawyJU2AAOW8NH9z7ih80PWkVxw/wN Mu+YHf8mAYH41DWBmDKqSK14z+6UVBQPjyEBfgtb+xOwKGwo9/IbMqig= X-Google-Smtp-Source: AGHT+IF/gxXMEeYmwaaPAu2zKiRsTmnSEzXum/R6XKj995omrCW8QGVsCSsx2ksh7t3diuLH9LePxOB4DPiFQ/LAdg3uMN9n75n+ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20c1:b0:3a7:e3e3:bd57 with SMTP id e9e14a558f8ab-3c2d533e943mr315743115ab.15.1735662862325; Tue, 31 Dec 2024 08:34:22 -0800 (PST) Date: Tue, 31 Dec 2024 08:34:22 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67741d0e.050a0220.25abdd.0918.GAE@google.com> Subject: [syzbot] [bluetooth?] WARNING in hci_conn_drop From: syzbot To: johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, marcel@holtmann.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 573067a5a685 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=10f7e0b0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cd7202b56d469648 dashboard link: https://syzkaller.appspot.com/bug?extid=afa1843ff020b481e6b5 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9d3b5c855aa0/disk-573067a5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/0c06fc1ead83/vmlinux-573067a5.xz kernel image: https://storage.googleapis.com/syzbot-assets/3390e59b9e4b/Image-573067a5.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+afa1843ff020b481e6b5@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6472 at kernel/workqueue.c:2257 __queue_work+0xe80/0x1308 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 6472 Comm: kworker/1:3 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events l2cap_chan_timeout pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe80/0x1308 kernel/workqueue.c:2256 lr : __queue_work+0xe80/0x1308 kernel/workqueue.c:2256 sp : ffff8000a5fc7820 x29: ffff8000a5fc7870 x28: 1fffe0001b107c00 x27: 001fffffffc00001 x26: dfff800000000000 x25: ffff0000ec829800 x24: 0000000000000008 x23: 1fffe00018dfc001 x22: ffff0000ec8299c0 x21: 0000000004208060 x20: ffff0000c1080408 x19: ffff0000f131c8e8 x18: ffff8000a5fc75a0 x17: 0000000000048c2a x16: ffff800083275834 x15: 0000000000000001 x14: 1fffe0001e26391d x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001e26391e x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c6fe0000 x7 : ffff800083277784 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0000f131c8e8 x1 : 0000000000200000 x0 : ffff0000d4acdd00 Call trace: __queue_work+0xe80/0x1308 kernel/workqueue.c:2256 (P) __queue_delayed_work+0x184/0x23c kernel/workqueue.c:2507 queue_delayed_work_on+0xec/0x1b0 kernel/workqueue.c:2552 queue_delayed_work include/linux/workqueue.h:677 [inline] hci_conn_drop+0x178/0x280 include/net/bluetooth/hci_core.h:1642 l2cap_chan_del+0x228/0x470 net/bluetooth/l2cap_core.c:674 l2cap_chan_close+0x4c8/0x82c l2cap_chan_timeout+0x128/0x288 net/bluetooth/l2cap_core.c:435 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3391 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 irq event stamp: 163642 hardirqs last enabled at (163641): [] __cancel_work+0x1c4/0x29c kernel/workqueue.c:4331 hardirqs last disabled at (163642): [] queue_delayed_work_on+0x58/0x1b0 kernel/workqueue.c:2548 softirqs last enabled at (163636): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (163636): [] release_sock+0x154/0x1b8 net/core/sock.c:3646 softirqs last disabled at (163634): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (163634): [] release_sock+0x3c/0x1b8 net/core/sock.c:3635 ---[ end trace 0000000000000000 ]--- --- 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