------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: kernel/workqueue.c:2305 at __queue_work+0xd2d/0x12b0 kernel/workqueue.c:2304, CPU#1: syz.5.241/6891
Modules linked in:
CPU: 1 UID: 0 PID: 6891 Comm: syz.5.241 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:__queue_work+0xd31/0x12b0 kernel/workqueue.c:2304
Code: 00 00 00 fc ff df 49 8d 94 24 70 01 00 00 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 52 05 00 00 48 8d 3d 93 39 56 0f 48 8b 75 18 <67> 48 0f b9 3a 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03
RSP: 0018:ffffc90000a08be0 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff1100a4c814e
RDX: ffff888052546170 RSI: ffffffff8aaccf60 RDI: ffffffff9125f0a0
RBP: ffff888052640a58 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: ffff888052546000
R13: 0000000000000000 R14: ffffffff81cfbca0 R15: 0000000000000001
FS:  0000555567240500(0000) GS:ffff888123ed9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c24298c CR3: 0000000054820000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x19a/0x610 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers+0x570/0xb00 kernel/time/timer.c:2374
 __run_timer_base kernel/time/timer.c:2386 [inline]
 __run_timer_base kernel/time/timer.c:2378 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2395
 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405
 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:finish_task_switch.isra.0+0x2cd/0x10c0 kernel/sched/core.c:5361
Code: ab 0a 00 00 41 c7 87 20 0e 00 00 00 00 00 00 e9 47 04 00 00 49 8d 7f 48 e8 d0 e5 e6 09 e8 8b b0 3c 00 fb 48 8d bb f8 16 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84
RSP: 0018:ffffc900054a7d10 EFLAGS: 00000206
RAX: 0000000000006503 RBX: ffff88804ae31f00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8e1ac6e7 RDI: ffff88804ae335f8
RBP: ffffc900054a7d68 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff81d5f05c R12: ffff88807587dd00
R13: 0000000000000001 R14: ffffffff9122e684 R15: ffff8880b853b600
 context_switch kernel/sched/core.c:5513 [inline]
 __schedule+0x1264/0x6730 kernel/sched/core.c:7234
 __schedule_loop kernel/sched/core.c:7311 [inline]
 schedule+0xdd/0x2c0 kernel/sched/core.c:7326
 __exit_to_user_mode_loop kernel/entry/common.c:55 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x37f/0xa00 kernel/entry/common.c:165
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0033:0x7f798087266c
Code: 61 57 3b 00 00 49 89 d6 48 89 d3 74 28 25 ff 0f 00 00 83 f0 3d 8d 04 c0 89 c3 c1 eb 04 31 c3 69 db 2d eb d4 27 89 d8 c1 e8 0f <31> c3 81 e3 ff 0f 00 00 48 31 d3 80 3d ca f9 3a 00 00 0f 84 1c 01
RSP: 002b:00007ffd6cbdf990 EFLAGS: 00000216
RAX: 00000000000000dd RBX: 00000000006e818d RCX: ffffffff84dbcb77
RDX: ffffffff84dbcc04 RSI: ffffffff84dbcb77 RDI: 00007f79803ff008
RBP: 0000000000000000 R08: 00007f7980c10000 R09: 00007f7980c12000
R10: 0000000084dbcb7b R11: 0000000000000008 R12: 00007f7980c26038
R13: 0000000000023bce R14: ffffffff84dbcc04 R15: 00007f7981755720
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 fc                	add    %bh,%ah
   4:	ff                   	lcall  (bad)
   5:	df 49 8d             	fisttps -0x73(%rcx)
   8:	94                   	xchg   %eax,%esp
   9:	24 70                	and    $0x70,%al
   b:	01 00                	add    %eax,(%rax)
   d:	00 48 89             	add    %cl,-0x77(%rax)
  10:	f9                   	stc
  11:	48 c1 e9 03          	shr    $0x3,%rcx
  15:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
  19:	0f 85 52 05 00 00    	jne    0x571
  1f:	48 8d 3d 93 39 56 0f 	lea    0xf563993(%rip),%rdi        # 0xf5639b9
  26:	48 8b 75 18          	mov    0x18(%rbp),%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  36:	fc ff df
  39:	48 89 ea             	mov    %rbp,%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx