------------[ cut here ]------------
WARNING: CPU: 0 PID: 5140 at kernel/workqueue.c:1638 __queue_work+0xb2b/0x1040 kernel/workqueue.c:1637
Modules linked in:
CPU: 0 PID: 5140 Comm: kworker/0:9 Not tainted 6.5.0-rc5-syzkaller-00029-g14f9643dc90a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events_power_efficient gc_worker
RIP: 0010:__queue_work+0xb2b/0x1040 kernel/workqueue.c:1637
Code: 03 38 d0 7c 09 84 d2 74 05 e8 b1 82 85 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 32 75 31 00 85 db 0f 85 7a 01 00 00 e8 b5 79 31 00 <0f> 0b e9 26 fb ff ff e8 a9 79 31 00 0f 0b e9 b7 fa ff ff e8 9d 79
RSP: 0018:ffffc90000007c40 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100
RDX: ffff888012f99dc0 RSI: ffffffff81548e6b RDI: 0000000000000005
RBP: ffffc90000007ce0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 000000000000004e R12: ffff888025d54c08
R13: ffff888025d54bc0 R14: ffff88801fbfe000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555b4a8f8 CR3: 000000002308b000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1746 [inline]
 __run_timers+0x585/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5729
Code: c1 05 55 6f 9b 7e 83 f8 01 0f 85 b0 02 00 00 9c 58 f6 c4 02 0f 85 9b 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000414fb00 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000829f62 RCX: 0000000000000001
RDX: 1ffff110025f3510 RSI: ffffffff8a6c7820 RDI: ffffffff8ac80620
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff23095d0
R10: ffffffff9184ae87 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8c9a6600 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
 rcu_read_lock include/linux/rcupdate.h:749 [inline]
 gc_worker+0x24f/0x17f0 net/netfilter/nf_conntrack_core.c:1488
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 worker_thread+0x687/0x1110 kernel/workqueue.c:2751
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
----------------
Code disassembly (best guess):
   0:	c1 05 55 6f 9b 7e 83 	roll   $0x83,0x7e9b6f55(%rip)        # 0x7e9b6f5c
   7:	f8                   	clc
   8:	01 0f                	add    %ecx,(%rdi)
   a:	85 b0 02 00 00 9c    	test   %esi,-0x63fffffe(%rax)
  10:	58                   	pop    %rax
  11:	f6 c4 02             	test   $0x2,%ah
  14:	0f 85 9b 02 00 00    	jne    0x2b5
  1a:	48 85 ed             	test   %rbp,%rbp
  1d:	74 01                	je     0x20
  1f:	fb                   	sti
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	48 01 c3             	add    %rax,%rbx <-- trapping instruction
  2d:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  34:	48 c7 43 08 00 00 00 	movq   $0x0,0x8(%rbx)
  3b:	00
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	84                   	.byte 0x84
  3f:	24                   	.byte 0x24