------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: kernel/workqueue.c:2271 at __queue_work+0xd53/0x1020 kernel/workqueue.c:2269, CPU#0: syz.9.3277/23573
Modules linked in:
CPU: 0 UID: 0 PID: 23573 Comm: syz.9.3277 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__queue_work+0xd7e/0x1020 kernel/workqueue.c:2269
Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 c3 53 a2 00 49 8b 75 00 49 81 c7 78 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 a5 e3
RSP: 0018:ffffc90000007c10 EFLAGS: 00010086
RAX: 1ffff11012988951 RBX: 0000000000000008 RCX: ffff88807aef0000
RDX: ffff8880354ff978 RSI: ffffffff8a9e55a0 RDI: ffffffff90147790
RBP: 0000000000000100 R08: ffffffff901181b7 R09: 1ffffffff2023036
R10: dffffc0000000000 R11: ffffffff818d63c0 R12: dffffc0000000000
R13: ffff888094c44a88 R14: ffffffff90147790 R15: ffff8880354ff978
FS:  00007f24673f66c0(0000) GS:ffff888125464000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67d5dad2c0 CR3: 00000000a4adf000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x192/0x640 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers kernel/time/timer.c:2373 [inline]
 __run_timer_base+0x67e/0x8b0 kernel/time/timer.c:2385
 run_timer_base kernel/time/timer.c:2394 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404
 handle_softirqs+0x22a/0x870 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:194
Code: f7 e8 7d 60 f2 f5 f7 c3 00 02 00 00 74 05 e8 a0 af 1d f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> c4 26 e4 f5 65 8b 05 8d ff 6b 07 85 c0 74 18 5b 41 5e e9 5c 80
RSP: 0018:ffffc90004007610 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000212 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8def22f0 RDI: 0000000000000001
RBP: ffff88807ca783c0 R08: ffffffff901181b7 R09: 1ffffffff2023036
R10: dffffc0000000000 R11: fffffbfff2023037 R12: dffffc0000000000
R13: 1ffff11004aab8ed R14: ffff88802555c700 R15: 0000000000000212
 spin_unlock_irqrestore include/linux/spinlock.h:407 [inline]
 __skb_try_recv_datagram+0x17c/0x4d0 net/core/datagram.c:267
 __unix_dgram_recvmsg+0x2e3/0xd50 net/unix/af_unix.c:2571
 sock_recvmsg_nosec+0x186/0x1c0 net/socket.c:1078
 ____sys_recvmsg+0x3e3/0x4a0 net/socket.c:2810
 ___sys_recvmsg+0x215/0x590 net/socket.c:2854
 do_recvmmsg+0x334/0x800 net/socket.c:2949
 __sys_recvmmsg net/socket.c:3023 [inline]
 __do_sys_recvmmsg net/socket.c:3046 [inline]
 __se_sys_recvmmsg net/socket.c:3039 [inline]
 __x64_sys_recvmmsg+0x198/0x250 net/socket.c:3039
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f246919c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f24673f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f2469416090 RCX: 00007f246919c629
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f2469232b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2469416128 R14: 00007f2469416090 R15: 00007ffcf09381e8
 </TASK>
----------------
Code disassembly (best guess):
   0:	83 c5 18             	add    $0x18,%ebp
   3:	4c 89 e8             	mov    %r13,%rax
   6:	48 c1 e8 03          	shr    $0x3,%rax
   a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   f:	74 08                	je     0x19
  11:	4c 89 ef             	mov    %r13,%rdi
  14:	e8 c3 53 a2 00       	call   0xa253dc
  19:	49 8b 75 00          	mov    0x0(%r13),%rsi
  1d:	49 81 c7 78 01 00 00 	add    $0x178,%r15
  24:	4c 89 f7             	mov    %r14,%rdi
  27:	4c 89 fa             	mov    %r15,%rdx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	48 83 c4 58          	add    $0x58,%rsp
  33:	5b                   	pop    %rbx
  34:	41 5c                	pop    %r12
  36:	41 5d                	pop    %r13
  38:	41 5e                	pop    %r14
  3a:	41 5f                	pop    %r15
  3c:	5d                   	pop    %rbp
  3d:	e9                   	.byte 0xe9
  3e:	a5                   	movsl  %ds:(%rsi),%es:(%rdi)
  3f:	e3                   	.byte 0xe3