------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: CPU: 0 PID: 10083 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Modules linked in:
CPU: 0 UID: 0 PID: 10083 Comm: syz.3.1110 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 a0 03 ac 8b e8 be 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 3f 7a 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a4388
RDX: ffff888026584880 RSI: ffffffff817a4395 RDI: 0000000000000001
RBP: ffff888035b28970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff92000000f8f
R13: 0000000080000100 R14: ffffffff81833490 R15: ffff88802aef1978
FS:  00007f35922746c0(0000) GS:ffff8880d66b2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3ed170 CR3: 0000000064b02000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x197/0x620 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers+0x569/0x960 kernel/time/timer.c:2372
 __run_timer_base kernel/time/timer.c:2384 [inline]
 __run_timer_base kernel/time/timer.c:2376 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2393
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__might_sleep+0x33/0x170 kernel/sched/core.c:8874
Code: 00 00 fc ff df 41 54 65 4c 8b 25 50 b5 4e 12 55 89 f5 53 48 89 fb 49 8d 7c 24 18 48 89 fa 48 c1 ea 03 48 83 ec 10 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d8 00 00 00 41
RSP: 0018:ffffc900078f7c70 EFLAGS: 00000282
RAX: dffffc0000000000 RBX: ffffffff8ce41b80 RCX: ffffc9000ce43000
RDX: 0000000000000000 RSI: 0000000000000ba1 RDI: ffff888026584898
RBP: 0000000000000ba1 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888026584880
R13: 0000000000000000 R14: 000020000037d1c0 R15: 0000000000010106
 __might_fault+0x83/0x190 mm/memory.c:6956
 do_recvmmsg+0x327/0x750 net/socket.c:2977
 __sys_recvmmsg net/socket.c:3045 [inline]
 __do_sys_recvmmsg net/socket.c:3068 [inline]
 __se_sys_recvmmsg net/socket.c:3061 [inline]
 __x64_sys_recvmmsg+0x22a/0x280 net/socket.c:3061
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f359138ec29
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:00007f3592274038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f35915d6090 RCX: 00007f359138ec29
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f3591411e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f35915d6128 R14: 00007f35915d6090 R15: 00007ffd5ef156c8
 </TASK>
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	df 41 54             	filds  0x54(%rcx)
   3:	65 4c 8b 25 50 b5 4e 	mov    %gs:0x124eb550(%rip),%r12        # 0x124eb55b
   a:	12
   b:	55                   	push   %rbp
   c:	89 f5                	mov    %esi,%ebp
   e:	53                   	push   %rbx
   f:	48 89 fb             	mov    %rdi,%rbx
  12:	49 8d 7c 24 18       	lea    0x18(%r12),%rdi
  17:	48 89 fa             	mov    %rdi,%rdx
  1a:	48 c1 ea 03          	shr    $0x3,%rdx
  1e:	48 83 ec 10          	sub    $0x10,%rsp
  22:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
* 26:	48 89 f8             	mov    %rdi,%rax <-- trapping instruction
  29:	83 e0 07             	and    $0x7,%eax
  2c:	83 c0 03             	add    $0x3,%eax
  2f:	38 d0                	cmp    %dl,%al
  31:	7c 08                	jl     0x3b
  33:	84 d2                	test   %dl,%dl
  35:	0f 85 d8 00 00 00    	jne    0x113
  3b:	41                   	rex.B