------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: CPU: 2 PID: 20977 at kernel/workqueue.c:2257 __queue_work+0xd03/0x1160 kernel/workqueue.c:2256
Modules linked in:
CPU: 2 UID: 0 PID: 20977 Comm: syz.8.11656 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:2256
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 20 27 8c 8b e8 3e 42 f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 0f bf 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000538be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817adc48
RDX: ffff888027522480 RSI: ffffffff817adc55 RDI: 0000000000000001
RBP: ffff8880544e8978 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920000a718f
R13: 0000000080000100 R14: ffffffff8183a9d0 R15: ffff88805fc93178
FS:  0000000000000000(0000) GS:ffff888097a0d000(0063) knlGS:00000000f545cb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000080bdf018 CR3: 000000005f945000 CR4: 0000000000352ef0
DR0: 0000000000000003 DR1: fffffffffffffffd DR2: 000000000000007f
DR3: 0000000080000001 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x19a/0x620 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers+0x569/0x960 kernel/time/timer.c:2373
 __run_timer_base kernel/time/timer.c:2385 [inline]
 __run_timer_base kernel/time/timer.c:2377 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2394
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2404
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: a6 82 56 00 48 89 df 5b e9 4d 30 5c 00 be 03 00 00 00 5b e9 a2 96 e5 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 34 24 65 48 8b 15 78 d8 e4 11 65 8b 05 89 d8 e4
RSP: 0018:ffffc90006e379a8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90029f43000
RDX: 0000000000080000 RSI: ffffffff89ff5047 RDI: ffffc90006e37768
RBP: ffffc90006e37d48 R08: 0000000000000001 R09: fffff52000dc6eed
R10: ffffc90006e3776f R11: 0000000000000000 R12: ffff88804fff2840
R13: 0000000080bdfba0 R14: ffffc90006e37d8c R15: 0000000080000002
 arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline]
 trace_sock_recv_length_enabled include/trace/events/sock.h:304 [inline]
 sock_recvmsg_nosec net/socket.c:1082 [inline]
 ____sys_recvmsg+0x4c6/0x6b0 net/socket.c:2848
 ___sys_recvmsg+0x114/0x1a0 net/socket.c:2892
 do_recvmmsg+0x55d/0x750 net/socket.c:2979
 __sys_recvmmsg+0x21c/0x280 net/socket.c:3061
 __do_compat_sys_recvmmsg_time32 net/compat.c:418 [inline]
 __se_compat_sys_recvmmsg_time32 net/compat.c:414 [inline]
 __ia32_compat_sys_recvmmsg_time32+0xc4/0x160 net/compat.c:414
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x7c/0x300 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf708d579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f545c55c EFLAGS: 00000296 ORIG_RAX: 0000000000000151
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000080000040
RDX: 00000000080002c1 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	56                   	push   %rsi
   1:	00 48 89             	add    %cl,-0x77(%rax)
   4:	df 5b e9             	fistps -0x17(%rbx)
   7:	4d 30 5c 00 be       	rex.WRB xor %r11b,-0x42(%r8,%rax,1)
   c:	03 00                	add    (%rax),%eax
   e:	00 00                	add    %al,(%rax)
  10:	5b                   	pop    %rbx
  11:	e9 a2 96 e5 02       	jmp    0x2e596b8
  16:	66 90                	xchg   %ax,%ax
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
* 28:	f3 0f 1e fa          	endbr64 <-- trapping instruction
  2c:	48 8b 34 24          	mov    (%rsp),%rsi
  30:	65 48 8b 15 78 d8 e4 	mov    %gs:0x11e4d878(%rip),%rdx        # 0x11e4d8b0
  37:	11
  38:	65                   	gs
  39:	8b                   	.byte 0x8b
  3a:	05                   	.byte 0x5
  3b:	89 d8                	mov    %ebx,%eax
  3d:	e4                   	.byte 0xe4