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WARNING: CPU: 1 PID: 6718 at kernel/workqueue.c:2282 __queue_work+0xc5e/0xee0 kernel/workqueue.c:2281
Modules linked in:
CPU: 1 PID: 6718 Comm: syz-executor Not tainted 6.10.0-rc6-syzkaller-01414-g58f9416d413a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__queue_work+0xc5e/0xee0 kernel/workqueue.c:2281
Code: ff e8 26 83 36 00 90 0f 0b 90 e9 20 fd ff ff e8 18 83 36 00 eb 13 e8 11 83 36 00 eb 0c e8 0a 83 36 00 eb 05 e8 03 83 36 00 90 <0f> 0b 90 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90000a18b30 EFLAGS: 00010046
RAX: ffffffff815fa378 RBX: 0000000000000100 RCX: ffff888026173c00
RDX: 0000000000000101 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff815f9817 R09: 1ffffffff1f5bc25
R10: dffffc0000000000 R11: ffffffff815fabb0 R12: ffff88802c1001c0
R13: dffffc0000000000 R14: ffff88802c100000 R15: 0000000000000008
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f77571c0ef0 CR3: 0000000065b3c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1838 [inline]
__run_timers kernel/time/timer.c:2417 [inline]
__run_timer_base+0x695/0x8e0 kernel/time/timer.c:2428
run_timer_base kernel/time/timer.c:2437 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7067
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 e5 4a d2 f5 e8 10 38 0a f6 fb bf 01 00 00 00 95 ad ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 95 f5 68 f6 48
RSP: 0018:ffffc900033b7360 EFLAGS: 00000286
RAX: 4874e272f9ee2b00 RBX: 1ffff92000676e74 RCX: ffffffff8172d99a
RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: 0000000000000001
RBP: ffffc900033b7420 R08: ffffffff92fbd69f R09: 1ffffffff25f7ad3
R10: dffffc0000000000 R11: fffffbfff25f7ad4 R12: 1ffff92000676e6c
R13: 1ffff92000676e70 R14: ffffc900033b7380 R15: dffffc0000000000
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 4a dc 89 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc900033b74e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000676ea8 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1ff880
RBP: ffffc900033b7628 R08: ffffffff9405ca1f R09: 1ffffffff280b943
R10: dffffc0000000000 R11: fffffbfff280b944 R12: 1ffff92000676ea4
R13: dffffc0000000000 R14: ffffc900033b7540 R15: 0000000000000246
touch_wq_lockdep_map kernel/workqueue.c:3895 [inline]
__flush_workqueue+0x1c9/0x1710 kernel/workqueue.c:3937
drain_workqueue+0xc9/0x3a0 kernel/workqueue.c:4101
hci_dev_close_sync+0x484/0xf70 net/bluetooth/hci_sync.c:5061
hci_dev_do_close net/bluetooth/hci_core.c:512 [inline]
hci_unregister_dev+0x20b/0x510 net/bluetooth/hci_core.c:2728
vhci_release+0x83/0xd0 drivers/bluetooth/hci_vhci.c:666
__fput+0x24a/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa27/0x27e0 kernel/exit.c:876
do_group_exit+0x207/0x2c0 kernel/exit.c:1025
get_signal+0x16a1/0x1740 kernel/signal.c:2909
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x360 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa5a2b749fc
Code: Unable to access opcode bytes at 0x7fa5a2b749d2.
RSP: 002b:00007ffd24acc700 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 00007fa5a2b749fc
RDX: 0000000000000028 RSI: 00007ffd24acc7f0 RDI: 00000000000000f9
RBP: 00007ffd24acc77c R08: 0000000000000000 R09: 0079746972756365
R10: 00007fa5a2cd17e0 R11: 0000000000000246 R12: 00007ffd24acc7f0
R13: 0000000000000bb8 R14: 00000000002e664c R15: 00000000002e6582
----------------
Code disassembly (best guess):
0: 89 f5 mov %esi,%ebp
2: 49 c1 ed 03 shr $0x3,%r13
6: eb 0d jmp 0x15
8: 48 f7 03 08 00 00 00 testq $0x8,(%rbx)
f: 0f 84 8b 00 00 00 je 0xa0
15: bf 01 00 00 00 mov $0x1,%edi
1a: e8 e5 4a d2 f5 call 0xf5d24b04
1f: e8 10 38 0a f6 call 0xf60a3834
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 95 ad ff ff call 0xffffadc4 <-- trapping instruction
2f: 43 80 7c 3d 00 00 cmpb $0x0,0x0(%r13,%r15,1)
35: 74 08 je 0x3f
37: 4c 89 f7 mov %r14,%rdi
3a: e8 95 f5 68 f6 call 0xf668f5d4
3f: 48 rex.W