------------[ cut here ]------------
WARNING: CPU: 1 PID: 3866 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90
Modules linked in:
CPU: 1 PID: 3866 Comm: kworker/u4:15 Not tainted 6.1.110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: netns cleanup_net
RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441
Code: 8b 3c 24 e8 46 a0 88 00 e9 d9 fc ff ff e8 6c 1e 31 00 89 ee 48 c7 c7 80 99 1d 8d e8 5e 20 0b 03 e9 1e fc ff ff e8 54 1e 31 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 3e 1e 31 00
RSP: 0018:ffffc900001e0af8 EFLAGS: 00010046
RAX: ffffffff815990ec RBX: 00000000000b0012 RCX: ffff8880254f5940
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff815a7e95 R09: fffffbfff1d33c96
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000008 R15: ffff8880770d3800
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa8a7b7efb8 CR3: 0000000061268000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1544 [inline]
 __run_timers+0x6a8/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x16c/0x1f0 kernel/softirq.c:403
Code: 8b e8 58 c3 52 09 65 66 8b 05 d0 6d af 7e 66 85 c0 75 57 bf 01 00 00 00 e8 f1 45 0a 00 e8 9c 40 3d 00 fb 65 8b 05 bc 3d ae 7e <85> c0 75 05 e8 6b 61 ac ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90004a67a80 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 1ffff9200094cf54 RCX: ffffffff816af0fa
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: ffffffff8b5d6dc0
RBP: ffffc90004a67b28 R08: dffffc0000000000 R09: fffffbfff223b846
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200094cf58 R14: ffffc90004a67ac0 R15: 0000000000000201
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 tcp_metrics_flush_all+0x27d/0x330 net/ipv4/tcp_metrics.c:917
 ops_exit_list net/core/net_namespace.c:177 [inline]
 cleanup_net+0x763/0xb60 net/core/net_namespace.c:604
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
----------------
Code disassembly (best guess):
   0:	8b e8                	mov    %eax,%ebp
   2:	58                   	pop    %rax
   3:	c3                   	ret
   4:	52                   	push   %rdx
   5:	09 65 66             	or     %esp,0x66(%rbp)
   8:	8b 05 d0 6d af 7e    	mov    0x7eaf6dd0(%rip),%eax        # 0x7eaf6dde
   e:	66 85 c0             	test   %ax,%ax
  11:	75 57                	jne    0x6a
  13:	bf 01 00 00 00       	mov    $0x1,%edi
  18:	e8 f1 45 0a 00       	call   0xa460e
  1d:	e8 9c 40 3d 00       	call   0x3d40be
  22:	fb                   	sti
  23:	65 8b 05 bc 3d ae 7e 	mov    %gs:0x7eae3dbc(%rip),%eax        # 0x7eae3de6
* 2a:	85 c0                	test   %eax,%eax <-- trapping instruction
  2c:	75 05                	jne    0x33
  2e:	e8 6b 61 ac ff       	call   0xffac619e
  33:	48 c7 44 24 20 0e 36 	movq   $0x45e0360e,0x20(%rsp)
  3a:	e0 45
  3c:	49                   	rex.WB
  3d:	c7                   	.byte 0xc7
  3e:	04 1c                	add    $0x1c,%al