------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: kernel/workqueue.c:2437 at __queue_work+0xdfc/0x1360 kernel/workqueue.c:2436, CPU#1: syz.0.222/6607
Modules linked in:
CPU: 1 UID: 0 PID: 6607 Comm: syz.0.222 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__queue_work+0xe1a/0x1360 kernel/workqueue.c:2436
Code: 28 78 01 00 00 4c 8d 35 54 f9 ed 0e 48 89 f8 48 c1 e8 03 80 3c 18 00 74 05 e8 42 e0 ab 00 49 8b 77 18 4c 89 f7 48 8b 54 24 28 <67> 48 0f b9 3a 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8
RSP: 0018:ffffc90000a38be8 EFLAGS: 00010046
RAX: 1ffff1100fcf494e RBX: dffffc0000000000 RCX: ffff88807e018000
RDX: ffff88807f3b3178 RSI: ffffffff8ad9b910 RDI: ffffffff907c5740
RBP: 0000000000010000 R08: 0000000000000100 R09: 1ffffffff20f3057
R10: dffffc0000000000 R11: ffffffff818e6720 R12: ffff88807f3b31c0
R13: 0000000000000008 R14: ffffffff907c5740 R15: ffff88807e7a4a58
FS:  00007f0a0e29a6c0(0000) GS:ffff888124dc4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c437cf9 CR3: 000000007b2ea000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 call_timer_fn+0x18d/0x5f0 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+0x223/0x840 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 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:__mutex_unlock_slowpath+0x1f/0x900 kernel/locking/mutex.c:983
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00 00 00 48 89 fb <65> 48 8b 05 e1 de a9 07 48 89 84 24 a0 00 00 00 49 be 00 00 00 00
RSP: 0018:ffffc9000da9f620 EFLAGS: 00000282
RAX: ffffffff89af24fa RBX: ffff888035a9c110 RCX: 0000000000080000
RDX: ffffc9000fd64000 RSI: ffffffff8a89fd2b RDI: ffff888035a9c110
RBP: ffffc9000da9f710 R08: ffff888030db09a7 R09: 1ffff110061b6134
R10: dffffc0000000000 R11: ffffed10061b6135 R12: ffff888030db08c0
R13: dffffc0000000000 R14: 1ffff92001b53ef0 R15: ffff888035a9bb80
 __unix_dgram_recvmsg+0x9eb/0xd70 net/unix/af_unix.c:2673
 sock_recvmsg_nosec+0x130/0x170 net/socket.c:1154
 ____sys_recvmsg+0x3e3/0x4a0 net/socket.c:2933
 ___sys_recvmsg+0x213/0x5a0 net/socket.c:2977
 do_recvmmsg+0x31a/0x7f0 net/socket.c:3072
 __sys_recvmmsg net/socket.c:3146 [inline]
 __do_sys_recvmmsg net/socket.c:3169 [inline]
 __se_sys_recvmmsg net/socket.c:3162 [inline]
 __x64_sys_recvmmsg+0x198/0x250 net/socket.c:3162
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a0d39e159
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:00007f0a0e29a028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f0a0d626090 RCX: 00007f0a0d39e159
RDX: 0000000004000087 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f0a0d43506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0a0d626128 R14: 00007f0a0d626090 R15: 00007ffe92559038
 </TASK>
----------------
Code disassembly (best guess):
   0:	28 78 01             	sub    %bh,0x1(%rax)
   3:	00 00                	add    %al,(%rax)
   5:	4c 8d 35 54 f9 ed 0e 	lea    0xeedf954(%rip),%r14        # 0xeedf960
   c:	48 89 f8             	mov    %rdi,%rax
   f:	48 c1 e8 03          	shr    $0x3,%rax
  13:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  17:	74 05                	je     0x1e
  19:	e8 42 e0 ab 00       	call   0xabe060
  1e:	49 8b 77 18          	mov    0x18(%r15),%rsi
  22:	4c 89 f7             	mov    %r14,%rdi
  25:	48 8b 54 24 28       	mov    0x28(%rsp),%rdx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	4c 89 f8             	mov    %r15,%rax
  32:	48 c1 e8 03          	shr    $0x3,%rax
  36:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  3a:	74 08                	je     0x44
  3c:	4c 89 ff             	mov    %r15,%rdi
  3f:	e8                   	.byte 0xe8