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workqueue: cannot queue hci_conn_timeout on wq hci2
WARNING: CPU: 0 PID: 7142 at kernel/workqueue.c:2256 __queue_work+0xd38/0xfb0
Modules linked in:
CPU: 0 UID: 0 PID: 7142 Comm: syz.1.527 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 63 28 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 20 e1 89 8b 4c 89 fa e8 99 39 f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 2a 9e 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000007b10 EFLAGS: 00010046
RAX: d9b2e97f60581a00 RBX: 0000000000000100 RCX: ffff88810d8a1cc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff11021080a38 R08: ffff88804b024253 R09: 1ffff1100960484a
R10: dffffc0000000000 R11: ffffed100960484b R12: dffffc0000000000
R13: ffff88801f6fc960 R14: 0000000000000008 R15: ffff888108405178
FS:  00007fe4cb1356c0(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 0000000028650000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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:lock_release+0xaf/0x3e0
Code: 0a 00 00 00 0f 85 1e 02 00 00 49 81 3e 20 73 64 93 0f 84 11 02 00 00 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 48 8b 5c 24 20 <fa> 48 c7 c7 a9 dc 9c 8d e8 64 01 dd 09 65 ff 05 0d 6f 03 11 c7 44
RSP: 0018:ffffc900073aeff8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000202 RCX: d9b2e97f60581a00
RDX: 0000000000000002 RSI: ffffffff8be33de0 RDI: ffffffff8be33da0
RBP: 1ffffffff1f47b2c R08: 0000000000000000 R09: ffffffff822bff35
R10: dffffc0000000000 R11: fffffbfff1f47507 R12: ffff88801b6f0d4c
R13: ffffffff822b699a R14: ffffffff8e13a120 R15: ffff88810d8a1cc0
 get_mem_cgroup_from_objcg+0x1ab/0x1d0
 __memcg_kmem_uncharge_page+0x85/0x170
 __free_frozen_pages+0x17b/0xd30
 vfree+0x25a/0x400
 nf_tables_newset+0x1f20/0x2530
 nfnetlink_rcv+0x1132/0x2520
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe4ca38eba9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe4cb135038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe4ca5d5fa0 RCX: 00007fe4ca38eba9
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007fe4ca411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe4ca5d6038 R14: 00007fe4ca5d5fa0 R15: 00007ffc39c0f938
 </TASK>
