------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: kernel/workqueue.c:2270 at __queue_work+0xd08/0x1150 kernel/workqueue.c:2269, CPU#1: kworker/1:4/6008
Modules linked in:
CPU: 1 UID: 0 PID: 6008 Comm: kworker/1:4 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker
RIP: 0010:__queue_work+0xd0c/0x1150 kernel/workqueue.c:2269
Code: 00 00 00 fc ff df 49 8d 94 24 78 01 00 00 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 04 04 00 00 48 8d 3d 98 66 0c 0f 48 8b 75 18 <67> 48 0f b9 3a e9 2a f7 ff ff e8 25 d0 38 00 90 0f 0b 90 e9 b2 f5
RSP: 0018:ffffc900006a0c00 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff11005b1e151
RDX: ffff88805b7d1178 RSI: ffffffff8a8221a0 RDI: ffffffff90dc2f20
RBP: ffff88802d8f0a70 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: ffff88805b7d1000
R13: 1ffff920000d4192 R14: ffffffff81cfd9a0 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880d6452000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0da07e42f8 CR3: 00000000375b4000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x19a/0x670 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers+0x570/0xb30 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/0x50 kernel/time/timer.c:2404
 handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622
 do_softirq kernel/softirq.c:523 [inline]
 do_softirq+0xac/0xe0 kernel/softirq.c:510
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:450
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 fpregs_unlock arch/x86/include/asm/fpu/api.h:77 [inline]
 kernel_fpu_end arch/x86/kernel/fpu/core.c:506 [inline]
 kernel_fpu_end+0x64/0x80 arch/x86/kernel/fpu/core.c:499
 blake2s_compress+0x78/0xf0 lib/crypto/x86/blake2s.h:42
 blake2s_update+0xef/0x320 lib/crypto/blake2s.c:119
 hmac.constprop.0+0x24a/0x480 drivers/net/wireguard/noise.c:324
 kdf.constprop.0+0x128/0x280 drivers/net/wireguard/noise.c:360
 mix_dh+0xd2/0x130 drivers/net/wireguard/noise.c:413
 wg_noise_handshake_consume_response+0x400/0x950 drivers/net/wireguard/noise.c:770
 wg_receive_handshake_packet+0x615/0xc20 drivers/net/wireguard/receive.c:166
 wg_packet_handshake_receive_worker+0x15e/0x370 drivers/net/wireguard/receive.c:213
 process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275
 process_scheduled_works kernel/workqueue.c:3358 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
 kthread+0x370/0x450 kernel/kthread.c:467
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </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 78                	and    $0x78,%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 04 04 00 00    	jne    0x423
  1f:	48 8d 3d 98 66 0c 0f 	lea    0xf0c6698(%rip),%rdi        # 0xf0c66be
  26:	48 8b 75 18          	mov    0x18(%rbp),%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 2a f7 ff ff       	jmp    0xfffff75e
  34:	e8 25 d0 38 00       	call   0x38d05e
  39:	90                   	nop
  3a:	0f 0b                	ud2
  3c:	90                   	nop
  3d:	e9                   	.byte 0xe9
  3e:	b2 f5                	mov    $0xf5,%dl