------------[ cut here ]------------ workqueue: cannot queue hci_conn_timeout on wq hci2 WARNING: CPU: 1 PID: 5977 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 5977 Comm: kworker/1:3 Not tainted 6.14.0-rc6-syzkaller-00212-geb88e6bfbc0a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events l2cap_chan_timeout RIP: 0010:__queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 e0 f2 6b 8b e8 45 32 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 c6 03 37 00 90 0f 0b 90 e9 1b f6 ff RSP: 0018:ffffc90003f7fa48 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a2269 RDX: ffff888023502440 RSI: ffffffff817a2276 RDI: 0000000000000001 RBP: ffff88802a3e88e8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000 R13: ffff88804d2be000 R14: ffff88802a3e8930 R15: ffff88804d2be178 FS: 0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb368a56f98 CR3: 000000002d79e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __queue_delayed_work+0x35b/0x460 kernel/workqueue.c:2509 queue_delayed_work_on+0x12a/0x150 kernel/workqueue.c:2561 queue_delayed_work include/linux/workqueue.h:677 [inline] hci_conn_drop include/net/bluetooth/hci_core.h:1643 [inline] hci_conn_drop include/net/bluetooth/hci_core.h:1617 [inline] l2cap_chan_del+0x5a0/0x8f0 net/bluetooth/l2cap_core.c:671 l2cap_chan_close+0xff/0xa30 net/bluetooth/l2cap_core.c:844 l2cap_chan_timeout+0x196/0x310 net/bluetooth/l2cap_core.c:431 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244