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workqueue: cannot queue hci_conn_timeout on wq hci1
WARNING: kernel/workqueue.c:2298 at __queue_work+0xcfe/0xff0, CPU#1: kworker/u11:0/12432
Modules linked in:
CPU: 1 UID: 0 PID: 12432 Comm: kworker/u11:0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: hci1 wq_barrier_func
RIP: 0010:__queue_work+0xd28/0xff0
Code: 49 8d 7d 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 6b 4b a4 00 49 8b 75 18 48 8b 54 24 30 48 81 c2 70 01 00 00 4c 89 f7 <67> 48 0f b9 3a 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef
RSP: 0018:ffffc90000a08bd0 EFLAGS: 00010082
RAX: 1ffff1102180114b RBX: 0000000000000100 RCX: ffff888107791dc0
RDX: ffff888169b46970 RSI: ffffffff8a9a6f70 RDI: ffffffff9032e3c0
RBP: 0000000000000000 R08: ffffffff902fe4f7 R09: 1ffffffff205fc9e
R10: dffffc0000000000 R11: ffffffff818cf9c0 R12: dffffc0000000000
R13: ffff88810c008a40 R14: ffffffff9032e3c0 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8882a92a4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fef853456b8 CR3: 000000011387e000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 call_timer_fn+0x192/0x5e0
 __run_timer_base+0x67e/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x225/0x840
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:finish_task_switch+0x41a/0xbc0
Code: 03 00 00 41 c7 84 24 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 00 87 12 0a e8 8b de 38 00 fb 4c 8b 65 c8 <49> 8d bc 24 c8 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90009c8f7e0 EFLAGS: 00000206
RAX: 000000000000175f RBX: ffff88823c63bfa0 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8dfa71e5 RDI: ffffffff8c28ee20
RBP: ffffc90009c8f830 R08: ffffffff902fe4f7 R09: 1ffffffff205fc9e
R10: dffffc0000000000 R11: fffffbfff205fc9f R12: ffff888107791dc0
R13: ffff88823c63bf68 R14: dffffc0000000000 R15: 1ffff110478c77f4
 __schedule+0x1848/0x57a0
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0x74/0x80
 process_scheduled_works+0xa8e/0x14e0
 worker_thread+0xa47/0xfb0
 kthread+0x389/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
