------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: kernel/workqueue.c:2274 at __queue_work+0xd1f/0xfc0 kernel/workqueue.c:2272, CPU#1: syz.8.358/8048
Modules linked in:
CPU: 1 UID: 0 PID: 8048 Comm: syz.8.358 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__queue_work+0xd4a/0xfc0 kernel/workqueue.c:2272
Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 47 b1 a1 00 49 8b 75 00 49 81 c7 70 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 c3 cc cc
RSP: 0000:ffffc9000530fb30 EFLAGS: 00010082
RAX: 1ffff1100f24314e RBX: 0000000000000008 RCX: ffff88801df50000
RDX: ffff88802955e970 RSI: ffffffff8a9fb850 RDI: ffffffff90349f40
RBP: 0000000000000100 R08: ffffffff9031a6f7 R09: 1ffffffff20634de
R10: dffffc0000000000 R11: ffffffff818ddbe0 R12: dffffc0000000000
R13: ffff888079218a70 R14: ffffffff90349f40 R15: ffff88802955e970
FS:  00005555731b5500(0000) GS:ffff88812535c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c0cff8 CR3: 0000000068cc8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 call_timer_fn+0x192/0x5e0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers kernel/time/timer.c:2374 [inline]
 __run_timer_base+0x67e/0x8b0 kernel/time/timer.c:2386
 run_timer_base kernel/time/timer.c:2395 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
 handle_softirqs+0x22a/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1061
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0033:0x7f1b4b86ccda
Code: 65 66 0f c6 c0 01 0f 11 45 00 4c 89 e6 eb 09 90 48 8b 4b 08 48 83 c3 08 48 39 d1 72 f3 48 8d 46 f8 48 8b 76 f8 48 39 f2 73 13 <66> 0f 1f 44 00 00 48 8b 70 f8 48 83 e8 08 48 39 f2 72 f3 48 39 c3
RSP: 002b:00007ffff97fe420 EFLAGS: 00000297
RAX: 00007f1b4b218c70 RBX: 00007f1b4b20ced0 RCX: ffffffff8978f88b
RDX: ffffffff8978f552 RSI: ffffffff8978f867 RDI: 00007f1b4b229e08
RBP: 00007f1b4b1ecd50 R08: 00007f1b4bc00000 R09: 00007f1b4bc16128
R10: 0000000000000001 R11: 000000000000000c R12: 00007f1b4b266ec0
R13: 000000000000001e R14: 000000000000f42e R15: 0000000000000001
 </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 47 b1 a1 00       	call   0xa1b160
  19:	49 8b 75 00          	mov    0x0(%r13),%rsi
  1d:	49 81 c7 70 01 00 00 	add    $0x170,%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:	c3                   	ret
  3e:	cc                   	int3
  3f:	cc                   	int3