------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: kernel/workqueue.c:2306 at __queue_work+0xd4a/0x10a0, CPU#0: syz-executor/13560
Modules linked in:
CPU: 0 UID: 0 PID: 13560 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__queue_work+0xd66/0x10a0
Code: 49 81 c7 70 01 00 00 4c 8d 35 d6 b6 cc 0e 48 89 f8 48 c1 e8 03 80 3c 18 00 74 05 e8 c4 b8 a6 00 49 8b 75 18 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 4c 89 e8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ef e8
RSP: 0018:ffffc90000007bc8 EFLAGS: 00010046
RAX: 1ffff110342b894e RBX: dffffc0000000000 RCX: ffff88810bd90000
RDX: ffff8881bc233170 RSI: ffffffff8ac16040 RDI: ffffffff905a8130
RBP: 0000000000000100 R08: ffffffff90575537 R09: 1ffffffff20aeaa6
R10: dffffc0000000000 R11: ffffffff818dd180 R12: 0000000000000008
R13: ffff8881a15c4a58 R14: ffffffff905a8130 R15: ffff8881bc233170
FS:  00005555871bb500(0000) GS:ffff88818d959000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40095556c8 CR3: 000000016d9d0000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 call_timer_fn+0x192/0x5e0
 __run_timer_base+0x67e/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x225/0x840
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x36/0x90
Code: 38 7a a5 11 65 8b 0d 59 7a a5 11 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 24 17 00 00 00 74 52 8b 8a f8 16 00 00 <83> f9 03 75 47 48 8b 8a 00 17 00 00 44 8b 8a fc 16 00 00 49 c1 e1
RSP: 0018:ffffc9000b6a72c0 EFLAGS: 00000246
RAX: ffffffff82403cd7 RBX: ffff888101619168 RCX: 0000000000000000
RDX: ffff88810bd90000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff88810161916b R09: 1ffff110202c322d
R10: dffffc0000000000 R11: ffffed10202c322e R12: 0000000000026b6a
R13: 0000000000000000 R14: 0000000000000001 R15: ffff888101619120
 page_table_check_set+0x297/0x530
 copy_pmd_range+0x477a/0x5880
 copy_page_range+0xc26/0x1250
 dup_mmap+0xf21/0x1d90
 copy_mm+0x11a/0x480
 copy_process+0x1e3e/0x4390
 kernel_clone+0x2d7/0x940
 __x64_sys_clone+0x1b6/0x230
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f40087c6bd2
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffeabfc92c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffeabfc92c0 RCX: 00007f40087c6bd2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffeabfc944c R08: 0000000000000000 R09: 0000000000000001
R10: 00005555871bb7d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 00000000000732e1 R15: 00007ffeabfc94a0
 </TASK>
