tipc: Disabling bearer <eth:xfrm0> bond0 (unregistering): Released all slaves tipc: Disabling bearer <udp:syz2> tipc: Left network mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1138 at net/l2tp/l2tp_core.c:1881 l2tp_exit_net+0xf1/0x1a0 net/l2tp/l2tp_core.c:1881 Modules linked in: CPU: 0 UID: 0 PID: 1138 Comm: kworker/u32:8 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 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 00 59 4a f7 90 <0f> 0b 90 e8 f7 58 4a f7 48 89 ef 5b 5d 41 5c e9 ab 07 c5 00 e8 e6 RSP: 0018:ffffc90006d9fba0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806dddb000 RCX: ffffffff8b077a95 RDX: ffff888025188000 RSI: ffffffff8a427280 RDI: ffff88806dddb088 RBP: ffff88806dddb040 R08: 0000000000000007 R09: 0000000000000002 R10: 0000000000000000 R11: 000000000000004f R12: 0000000004000000 R13: ffffc90006d9fc38 R14: dffffc0000000000 R15: fffffbfff1fbe770 FS: 0000000000000000(0000) GS:ffff88802b400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000057e0899c CR3: 00000000636ea000 CR4: 0000000000352ef0 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:173 cleanup_net+0x5b7/0xb40 net/core/net_namespace.c:626 process_one_work+0x958/0x1b30 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>