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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 24960 ms
WARNING: CPU: 2 PID: 10 at net/sched/sch_generic.c:525 dev_watchdog+0x8cd/0x8f0 net/sched/sch_generic.c:525
Modules linked in:
CPU: 2 PID: 10 Comm: kworker/u16:0 Not tainted 6.7.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:dev_watchdog+0x8cd/0x8f0 net/sched/sch_generic.c:525
Code: 1b 77 06 01 90 48 8b 5c 24 10 48 89 df e8 0b 32 e6 ff 45 89 e8 89 e9 48 89 de 48 89 c2 48 c7 c7 20 51 ec 8b e8 94 2b c1 f8 90 <0f> 0b 90 90 e9 23 fd ff ff e8 e5 ea fa f8 90 0f 0b 90 e9 bc fc ff
RSP: 0018:ffffc90000a48be0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88810ff18000 RCX: ffffffff814ca739
RDX: ffff8880142b0240 RSI: ffffffff814ca746 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000006 R12: ffff888026c10400
R13: 0000000000006180 R14: ffff88810ff18548 R15: 00000000ffffd601
FS:  0000000000000000(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb36facd8 CR3: 000000010d0f7000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x193/0x590 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb20 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x21a/0x8de 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+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x520 kernel/locking/lockdep.c:5722
Code: c1 05 4d 92 9b 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 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:ffffc900002f7a08 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200005ef43 RCX: 000000005c8c0aac
RDX: 0000000000000001 RSI: ffffffff8acca220 RDI: ffffffff8b2ed4a0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff23e21d0
R10: ffffffff91f10e87 R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8cfa7d60 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
 rcu_read_lock include/linux/rcupdate.h:747 [inline]
 inet_twsk_purge+0x12f/0x900 net/ipv4/inet_timewait_sock.c:292
 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175
 cleanup_net+0x505/0xb20 net/core/net_namespace.c:614
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2627
 process_scheduled_works kernel/workqueue.c:2700 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2781
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
----------------
Code disassembly (best guess):
   0:	c1 05 4d 92 9b 7e 83 	roll   $0x83,0x7e9b924d(%rip)        # 0x7e9b9254
   7:	f8                   	clc
   8:	01 0f                	add    %ecx,(%rdi)
   a:	85 b4 02 00 00 9c 58 	test   %esi,0x589c0000(%rdx,%rax,1)
  11:	f6 c4 02             	test   $0x2,%ah
  14:	0f 85 9f 02 00 00    	jne    0x2b9
  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