------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci6
WARNING: kernel/workqueue.c:2305 at __queue_work+0xd2d/0x12b0 kernel/workqueue.c:2304, CPU#0: syz.3.1969/15994
Modules linked in:
CPU: 0 UID: 0 PID: 15994 Comm: syz.3.1969 Not tainted syzkaller #0 PREEMPT(full) 
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:ffffc90000007be0 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff1100570f14e
RDX: ffff8880505a0170 RSI: ffffffff8aad53a0 RDI: ffffffff9125f0a0
RBP: ffff88802b878a58 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: ffff8880505a0000
R13: 0000000000000000 R14: ffffffff81cfbca0 R15: 0000000000000001
FS:  00007f787f9cf6c0(0000) GS:ffff888123dda000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000200030 CR3: 0000000051882000 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:waitqueue_active include/linux/wait.h:127 [inline]
RIP: 0010:wq_has_sleeper include/linux/wait.h:161 [inline]
RIP: 0010:__unix_dgram_recvmsg+0x2d1/0xc30 net/unix/af_unix.c:2607
Code: ff 49 89 c7 e8 20 23 ab f7 31 ff 89 ee e8 87 1d ab f7 85 ed 0f 84 1f 07 00 00 bd 02 00 00 00 e8 05 23 ab f7 f0 83 44 24 fc 00 <4c> 8d ab 40 07 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1
RSP: 0018:ffffc90003e0f870 EFLAGS: 00000286
RAX: 0000000000080000 RBX: ffff88802432aa80 RCX: ffffc90006619000
RDX: 0000000000080000 RSI: ffffffff8a5f2dbb RDI: ffff88807c25be00
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff88802432b010
R13: ffffc90003e0f8e8 R14: ffff88802432ab68 R15: ffff88807c5ecdc0
 unix_dgram_recvmsg+0xcd/0x100 net/unix/af_unix.c:2682
 sock_recvmsg_nosec net/socket.c:1126 [inline]
 ____sys_recvmsg+0x5eb/0x670 net/socket.c:2902
 ___sys_recvmsg+0x16a/0x1a0 net/socket.c:2946
 do_recvmmsg+0x2f3/0x740 net/socket.c:3041
 __sys_recvmmsg net/socket.c:3115 [inline]
 __do_sys_recvmmsg net/socket.c:3138 [inline]
 __se_sys_recvmmsg net/socket.c:3131 [inline]
 __x64_sys_recvmmsg+0x22a/0x280 net/socket.c:3131
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f787eb9e019
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:00007f787f9cf028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f787ee26090 RCX: 00007f787eb9e019
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f787ec3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f787ee26128 R14: 00007f787ee26090 R15: 00007ffe0fc28218
 </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