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workqueue: cannot queue hci_cmd_timeout on wq hci4
WARNING: CPU: 0 PID: 12961 at kernel/workqueue.c:2258 __queue_work+0xd38/0xfb0
Modules linked in:
CPU: 0 UID: 0 PID: 12961 Comm: syz.2.1241 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__queue_work+0xd38/0xfb0
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 a3 2f 9c 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 20 eb 69 8b 4c 89 fa e8 b9 31 f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 4a 18 36 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000007b10 EFLAGS: 00010046
RAX: efca267e2c7f5800 RBX: 0000000000000100 RCX: ffff888176341d00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff11037581438 R08: ffffffff8df315c3 R09: 1ffffffff1be62b8
R10: dffffc0000000000 R11: fffffbfff1be62b9 R12: dffffc0000000000
R13: ffff88816ed50990 R14: 0000000000000008 R15: ffff8881bac0a178
FS:  00007fb3b5bec6c0(0000) GS:ffff88818eb34000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae21b73e20 CR3: 000000003fec4000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x646/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:console_flush_all+0x7f4/0xb10
Code: ff ff e8 1f b3 1f 00 90 0f 0b 90 e9 62 fc ff ff e8 11 b3 1f 00 e8 0c 2c a7 09 48 85 db 74 c0 e8 02 b3 1f 00 fb 48 8b 5c 24 18 <48> 8b 44 24 20 42 80 3c 20 00 74 08 48 89 df e8 18 ca 85 00 48 8b
RSP: 0018:ffffc9000800f5a0 EFLAGS: 00000287
RAX: ffffffff81a0660e RBX: ffffffff8e768f18 RCX: 0000000000080000
RDX: ffffc90020eb2000 RSI: 000000000002aa5e RDI: 000000000002aa5f
RBP: ffffc9000800f6f0 R08: ffffffff8f7cf777 R09: 1ffffffff1ef9eee
R10: dffffc0000000000 R11: fffffbfff1ef9eef R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff8e768ec0
 console_unlock+0xbb/0x190
 vprintk_emit+0x4c5/0x590
 _printk+0xcf/0x120
 _btrfs_printk+0x562/0x5b0
 btrfs_emit_options+0x1ca2/0x4080
 btrfs_get_tree+0x107e/0x1920
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x302/0xa10
 __se_sys_mount+0x313/0x410
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb3b4d90eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb3b5bebe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb3b5bebef0 RCX: 00007fb3b4d90eea
RDX: 0000200000000080 RSI: 0000200000000380 RDI: 00007fb3b5bebeb0
RBP: 0000200000000080 R08: 00007fb3b5bebef0 R09: 0000000000000008
R10: 0000000000000008 R11: 0000000000000246 R12: 0000200000000380
R13: 00007fb3b5bebeb0 R14: 00000000000055ae R15: 0000200000000780
 </TASK>
