------------[ cut here ]------------
WARNING: CPU: 1 PID: 1288 at kernel/workqueue.c:1438 __queue_work+0xe36/0x1200 kernel/workqueue.c:1438
Modules linked in:
CPU: 1 PID: 1288 Comm: dhcpcd-run-hook Not tainted 6.0.0-syzkaller-02752-gd31ada3b5111 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:__queue_work+0xe36/0x1200 kernel/workqueue.c:1438
Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 72 77 7a 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 73 66 2d 00 85 db 75 42 e8 aa 69 2d 00 <0f> 0b e9 4a f8 ff ff e8 9e 69 2d 00 0f 0b e9 dc f7 ff ff e8 92 69
RSP: 0018:ffffc900001f0cb8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100
RDX: ffff888022753b00 RSI: ffffffff814dabc6 RDI: 0000000000000005
RBP: ffffc900001f0d70 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: ffff88807b780b30
R13: 1ffff9200003e1a8 R14: ffffffff814e0720 R15: ffff88807e587800
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff473a5f28 CR3: 0000000027aef000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1514 [inline]
__run_timers.part.0+0x4a3/0xa80 kernel/time/timer.c:1790
__run_timers kernel/time/timer.c:1768 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x1d0/0x9c8 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 fa 21 d8 f7 48 89 ef e8 82 a3 d8 f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 53 61 cb f7 65 8b 05 0c 18 7c 76 85 c0 74 0a 5b 5d c3 e8 70 35
RSP: 0018:ffffc9000332fc90 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1bbfd69
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff91373670 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff226e6ce R11: 0000000000000000 R12: ffff888051177400
R13: dffffc0000000000 R14: 1ffff92000665f97 R15: ffffffff89ee1200
debug_object_activate+0x287/0x3e0 lib/debugobjects.c:686
debug_object_activate+0x337/0x3e0 lib/debugobjects.c:704
debug_rcu_head_queue kernel/rcu/rcu.h:189 [inline]
call_rcu+0x2c/0x790 kernel/rcu/tree.c:2781
task_work_run+0xdd/0x1a0 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1360bdb064
Code: f9 41 89 f0 41 83 e2 40 75 2c 89 f0 25 00 00 41 00 3d 00 00 41 00 74 1e 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2c c3 0f 1f 00 48 8d 44 24 08 c7 44 24 b8 10
RSP: 002b:00007fff473a5788 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: fffffffffffffffe RBX: 0000000000000000 RCX: 00007f1360bdb064
RDX: 0000000000080000 RSI: 00007fff473a5800 RDI: 00000000ffffff9c
RBP: 00007fff473a57f0 R08: 0000000000080000 R09: 00007fff473a5800
R10: 0000000000000000 R11: 0000000000000287 R12: 00007fff473a59ef
R13: 00007fff473a5800 R14: 00007fff473a5807 R15: 00007fff473a5a00
----------------
Code disassembly (best guess):
0: 74 24 je 0x26
2: 10 e8 adc %ch,%al
4: fa cli
5: 21 d8 and %ebx,%eax
7: f7 48 89 ef e8 82 a3 testl $0xa382e8ef,-0x77(%rax)
e: d8 f7 fdiv %st(7),%st
10: 81 e3 00 02 00 00 and $0x200,%ebx
16: 75 25 jne 0x3d
18: 9c pushfq
19: 58 pop %rax
1a: f6 c4 02 test $0x2,%ah
1d: 75 2d jne 0x4c
1f: 48 85 db test %rbx,%rbx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 53 61 cb f7 callq 0xf7cb6182 <-- trapping instruction
2f: 65 8b 05 0c 18 7c 76 mov %gs:0x767c180c(%rip),%eax # 0x767c1842
36: 85 c0 test %eax,%eax
38: 74 0a je 0x44
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: c3 retq
3d: e8 .byte 0xe8
3e: 70 35 jo 0x75