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WARNING: CPU: 0 PID: 4344 at kernel/workqueue.c:1441 __queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Modules linked in:
CPU: 0 PID: 4344 Comm: kworker/0:7 Not tainted 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events pwq_unbound_release_workfn
RIP: 0010:__queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Code: e9 9d fc ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c c7 fc ff ff 48 8b 3c 24 e8 5d 2e 7f 00 e9 b9 fc ff ff e8 a3 b5 2d 00 <0f> 0b 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8d b5 2d 00
RSP: 0018:ffffc90000007ae8 EFLAGS: 00010046
RAX: ffffffff815320cd RBX: 0000000000010000 RCX: ffff88802ed3d940
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1bfd0b6
R10: fffffbfff1bfd0b6 R11: 1ffffffff1bfd0b5 R12: ffff888070d1a800
R13: ffff888070d1a9c0 R14: 0000000000000008 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd5b065ceb8 CR3: 00000000773c0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600
Call Trace:
call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504
expire_timers kernel/time/timer.c:1544 [inline]
__run_timers+0x550/0x7c0 kernel/time/timer.c:1820
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lockdep_unregister_key+0x4c3/0x530 kernel/locking/lockdep.c:6370
Code: 81 86 90 48 c7 c6 b0 91 63 81 e8 88 93 07 00 e8 d3 a6 07 00 e9 86 fc ff ff e8 e9 ff ab 08 41 f7 c4 00 02 00 00 74 d1 fb 84 db <75> d0 eb e1 0f 0b eb a1 0f 0b e9 11 ff ff ff 0f 0b e9 5e ff ff ff
RSP: 0018:ffffc90003c87b20 EFLAGS: 00000246
RAX: 46156f6f9de4fb00 RBX: 0000000000000000 RCX: 46156f6f9de4fb00
RDX: 0000000000000001 RSI: ffffffff8a6c0cc0 RDI: ffffffff8abf1360
RBP: ffffc90003c87bf0 R08: dffffc0000000000 R09: fffffbfff21112cb
R10: fffffbfff21112cb R11: 1ffffffff21112ca R12: 0000000000000203
R13: ffff8880568c5129 R14: ffffffff908881a8 R15: 1ffff92000790f68
wq_unregister_lockdep kernel/workqueue.c:3500 [inline]
pwq_unbound_release_workfn+0x262/0x2b0 kernel/workqueue.c:3738
process_one_work+0x898/0x1160 kernel/workqueue.c:2292
worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 81 86 90 48 c7 c6 b0 addl $0x816391b0,-0x3938b770(%rsi)
7: 91 63 81
a: e8 88 93 07 00 call 0x79397
f: e8 d3 a6 07 00 call 0x7a6e7
14: e9 86 fc ff ff jmp 0xfffffc9f
19: e8 e9 ff ab 08 call 0x8ac0007
1e: 41 f7 c4 00 02 00 00 test $0x200,%r12d
25: 74 d1 je 0xfffffff8
27: fb sti
28: 84 db test %bl,%bl
* 2a: 75 d0 jne 0xfffffffc <-- trapping instruction
2c: eb e1 jmp 0xf
2e: 0f 0b ud2
30: eb a1 jmp 0xffffffd3
32: 0f 0b ud2
34: e9 11 ff ff ff jmp 0xffffff4a
39: 0f 0b ud2
3b: e9 5e ff ff ff jmp 0xffffff9e