bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
tipc: Left network mode
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12 at net/l2tp/l2tp_core.c:1881 l2tp_exit_net+0xf1/0x1a0 net/l2tp/l2tp_core.c:1881
Modules linked in:
CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.12.0-syzkaller-10296-gaaf20f870da0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: netns cleanup_net
RIP: 0010:l2tp_exit_net+0xf1/0x1a0 net/l2tp/l2tp_core.c:1881
Code: 00 00 fc ff df 48 8d 6b 40 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 9d 00 00 00 48 83 bb 88 00 00 00 00 74 6c e8 a0 31 38 f7 90 <0f> 0b 90 e8 97 31 38 f7 48 89 ef 5b 5d 41 5c e9 db fd c8 00 e8 86
RSP: 0018:ffffc90000117b98 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888035c36000 RCX: ffffffff8b1f9945
RDX: ffff88801cef4880 RSI: ffffffff8a569b00 RDI: ffff888035c36088
RBP: ffff888035c36040 R08: 0000000000000007 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000004000000
R13: ffffc90000117c30 R14: dffffc0000000000 R15: fffffbfff2043d7c
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020020000 CR3: 000000007ddb2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:172
 cleanup_net+0x5b7/0xb40 net/core/net_namespace.c:632
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>