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workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: CPU: 1 PID: 0 at kernel/workqueue.c:2256 __queue_work+0xd38/0xfb0
Modules linked in:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__queue_work+0xd38/0xfb0
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 53 1a 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 20 e1 89 8b 4c 89 fa e8 99 39 f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 ba 9c 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc900001e0b10 EFLAGS: 00010046
RAX: b4e2e5705cf6e100 RBX: 0000000000000100 RCX: ffff888100680000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100410b238 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: dffffc0000000000
R13: ffff888104f9c988 R14: 0000000000000008 R15: ffff888020859178
FS:  0000000000000000(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30f11ff8 CR3: 0000000038d98000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x646/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:pv_native_safe_halt+0x13/0x20
Code: 53 e8 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d b3 d9 0d 00 f3 0f 1e fa fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000177de0 EFLAGS: 00000282
RAX: b4e2e5705cf6e100 RBX: ffffffff819683f8 RCX: b4e2e5705cf6e100
RDX: 0000000000000001 RSI: ffffffff8d9ba307 RDI: ffffffff8be33f80
RBP: ffffc90000177f20 R08: ffff888136632f9b R09: 1ffff11026cc65f3
R10: dffffc0000000000 R11: ffffed1026cc65f4 R12: ffffffff8fa3a730
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110200d0000
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 start_secondary+0x101/0x110
 common_startup_64+0x13e/0x147
 </TASK>
