bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 16317 at net/l2tp/l2tp_core.c:1881 l2tp_exit_net+0x165/0x170 net/l2tp/l2tp_core.c:1881 Modules linked in: CPU: 1 UID: 0 PID: 16317 Comm: kworker/u8:6 Not tainted 6.12.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: netns cleanup_net RIP: 0010:l2tp_exit_net+0x165/0x170 net/l2tp/l2tp_core.c:1881 Code: 0f 0b 90 e9 3b ff ff ff e8 f8 2e a5 f6 eb 05 e8 f1 2e a5 f6 90 0f 0b 90 e9 7a ff ff ff e8 e3 2e a5 f6 eb 05 e8 dc 2e a5 f6 90 <0f> 0b 90 eb b5 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003757a98 EFLAGS: 00010293 RAX: ffffffff8aefbb2d RBX: ffff888060579888 RCX: ffff8880339c0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc90003757bb0 R08: ffffffff8bc02c06 R09: 1ffffffff203a1bd R10: dffffc0000000000 R11: fffffbfff203a1be R12: dffffc0000000000 R13: 1ffffffff1fdb494 R14: ffff888060579930 R15: ffff888060579840 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557cfc7d9950 CR3: 0000000033422000 CR4: 00000000003526f0 Call Trace: ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:626 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244