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workqueue: cannot queue hci_cmd_timeout on wq hci5
WARNING: CPU: 2 PID: 19805 at kernel/workqueue.c:2257 __queue_work+0xd03/0x1160 kernel/workqueue.c:2256
Modules linked in:
CPU: 2 UID: 0 PID: 19805 Comm: syz.9.4137 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:2256
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 27 8c 8b e8 1e 15 f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 0f e2 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000648be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817b3ee8
RDX: ffff888027d38000 RSI: ffffffff817b3ef5 RDI: 0000000000000001
RBP: ffff88804fe84978 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920000c918f
R13: 0000000000000101 R14: ffffffff81843990 R15: ffff888054ea1178
FS: 0000000000000000(0000) GS:ffff8880d6c0b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b349f1ff8 CR3: 00000000493e5000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000006800 DR2: 0000000000009951
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x19a/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:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:finish_task_switch.isra.0+0x22a/0xc10 kernel/sched/core.c:5193
Code: fb 09 00 00 44 8b 05 39 ed f7 0e 45 85 c0 0f 85 be 01 00 00 4c 89 e7 e8 a4 f6 ff ff e8 cf d3 3a 00 fb 65 48 8b 1d de 17 17 12 <48> 8d bb 58 16 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc9000366f6b8 EFLAGS: 00000206
RAX: 00000000000008f9 RBX: ffff888027d38000 RCX: 0000000000000006
RDX: 0000000000000000 RSI: ffffffff8da2a184 RDI: ffffffff8bf06cc0
RBP: ffffc9000366f700 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9081f4d7 R11: 0000000000000001 R12: ffff88806a63a380
R13: ffff88801d6e4900 R14: ffff88806a43a380 R15: ffff88806a63b1b0
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x1198/0x5de0 kernel/sched/core.c:6929
__schedule_loop kernel/sched/core.c:7011 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:7026
synchronize_rcu_expedited+0x390/0x460 kernel/rcu/tree_exp.h:972
synchronize_net+0x72/0xa0 net/core/dev.c:12117
__tun_detach+0x951/0x1490 drivers/net/tun.c:605
tun_detach drivers/net/tun.c:637 [inline]
tun_chr_close+0xc2/0x230 drivers/net/tun.c:3436
__fput+0x402/0xb70 fs/file_table.c:468
task_work_run+0x150/0x240 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x86f/0x2bf0 kernel/exit.c:966
do_group_exit+0xd3/0x2a0 kernel/exit.c:1107
get_signal+0x2671/0x26d0 kernel/signal.c:3034
arch_do_signal_or_restart+0x8f/0x7c0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x85/0x130 kernel/entry/common.c:40
exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
do_syscall_64+0x426/0xfa0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4a1eb8efc9
Code: Unable to access opcode bytes at 0x7f4a1eb8ef9f.
RSP: 002b:00007f4a1f994038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f4a1ede5fa0 RCX: 00007f4a1eb8efc9
RDX: 0000200000000040 RSI: 00000000400454ca RDI: 0000000000000006
RBP: 00007f4a1ec11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4a1ede6038 R14: 00007f4a1ede5fa0 R15: 00007fff0b1ded28
----------------
Code disassembly (best guess):
0: fb sti
1: 09 00 or %eax,(%rax)
3: 00 44 8b 05 add %al,0x5(%rbx,%rcx,4)
7: 39 ed cmp %ebp,%ebp
9: f7 0e 45 85 c0 0f testl $0xfc08545,(%rsi)
f: 85 be 01 00 00 4c test %edi,0x4c000001(%rsi)
15: 89 e7 mov %esp,%edi
17: e8 a4 f6 ff ff call 0xfffff6c0
1c: e8 cf d3 3a 00 call 0x3ad3f0
21: fb sti
22: 65 48 8b 1d de 17 17 mov %gs:0x121717de(%rip),%rbx # 0x12171808
29: 12
* 2a: 48 8d bb 58 16 00 00 lea 0x1658(%rbx),%rdi <-- trapping instruction
31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
38: fc ff df
3b: 48 89 fa mov %rdi,%rdx
3e: 48 rex.W
3f: c1 .byte 0xc1