------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: CPU: 2 PID: 6205 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Modules linked in:
CPU: 2 UID: 0 PID: 6205 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 20 01 ac 8b e8 be 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 8f 7b 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000648be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a3388
RDX: ffff888026770000 RSI: ffffffff817a3395 RDI: 0000000000000001
RBP: ffff888029bf4970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff920000c918f
R13: 0000000080000100 R14: ffffffff81832490 R15: ffff888053349978
FS:  00007f0a92eb5880(0000) GS:ffff8880d68b5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff5e833800 CR3: 00000000564eb000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x197/0x620 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers+0x569/0x960 kernel/time/timer.c:2372
 __run_timer_base kernel/time/timer.c:2384 [inline]
 __run_timer_base kernel/time/timer.c:2376 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2393
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:___cache_free+0x12/0xd0 mm/slub.c:4752
Code: ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 48 89 e5 41 55 49 89 fd 48 89 f7 41 54 <49> 89 d4 53 48 89 f3 48 83 e4 f0 e8 6e 54 55 ff 48 c1 e8 0c 48 c1
RSP: 0018:ffffc90004a17c00 EFLAGS: 00000293
RAX: ffff8880569705e0 RBX: ffff88801b842640 RCX: ffff88801b842640
RDX: ffffffff822201f8 RSI: ffff8880569705e0 RDI: ffff8880569705e0
RBP: ffffc90004a17c10 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888052ec0880
R13: ffff88801b842640 R14: ffffc90004a17c58 R15: ffff8880569705e0
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:340
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4191 [inline]
 slab_alloc_node mm/slub.c:4240 [inline]
 kmem_cache_alloc_noprof+0x1cb/0x3b0 mm/slub.c:4247
 getname_flags.part.0+0x4c/0x550 fs/namei.c:146
 getname_flags+0x93/0xf0 include/linux/audit.h:322
 getname include/linux/fs.h:2919 [inline]
 getname_maybe_null include/linux/fs.h:2926 [inline]
 getname_maybe_null include/linux/fs.h:2923 [inline]
 vfs_fstatat+0xe1/0xf0 fs/stat.c:370
 __do_sys_newfstatat+0x97/0x120 fs/stat.c:542
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a92711b0a
Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7
RSP: 002b:00007ffdd66b4b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007ffdd66b4fa0 RCX: 00007f0a92711b0a
RDX: 00007ffdd66b4b10 RSI: 00007ffdd66b4fa0 RDI: 00000000ffffff9c
RBP: 000055d0f08fe2c0 R08: 0000000000000000 R09: 0000000000000020
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd66b4ba0
R13: 00007ffdd66b53d5 R14: 000055d0e6c8aca4 R15: 000055d0e6c8abcc
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	66 0f 1f 00          	nopw   (%rax)
  1b:	55                   	push   %rbp
  1c:	48 89 e5             	mov    %rsp,%rbp
  1f:	41 55                	push   %r13
  21:	49 89 fd             	mov    %rdi,%r13
  24:	48 89 f7             	mov    %rsi,%rdi
  27:	41 54                	push   %r12
* 29:	49 89 d4             	mov    %rdx,%r12 <-- trapping instruction
  2c:	53                   	push   %rbx
  2d:	48 89 f3             	mov    %rsi,%rbx
  30:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
  34:	e8 6e 54 55 ff       	call   0xff5554a7
  39:	48 c1 e8 0c          	shr    $0xc,%rax
  3d:	48                   	rex.W
  3e:	c1                   	.byte 0xc1