bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 80 at net/l2tp/l2tp_core.c:1877 l2tp_exit_net+0x13b/0x170 net/l2tp/l2tp_core.c:1877 Modules linked in: CPU: 1 UID: 0 PID: 80 Comm: kworker/u8:4 Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: netns cleanup_net RIP: 0010:l2tp_exit_net+0x13b/0x170 net/l2tp/l2tp_core.c:1877 Code: e8 aa 3c 9f f6 85 db 74 45 e8 61 38 9f f6 4c 89 ff 5b 41 5c 41 5e 41 5f e9 22 b1 d1 00 e8 4d 38 9f f6 eb 05 e8 46 38 9f f6 90 <0f> 0b 90 e9 3b ff ff ff e8 38 38 9f f6 eb 05 e8 31 38 9f f6 90 0f RSP: 0018:ffffc9000218fa98 EFLAGS: 00010293 RAX: ffffffff8af5ca93 RBX: ffff88805a851920 RCX: ffff88801cb99e00 RDX: 0000000000000000 RSI: ffffffff8c0ae4e0 RDI: ffffffff8c6131e0 RBP: ffffc9000218fbb0 R08: ffffffff901e4837 R09: 1ffffffff203c906 R10: dffffc0000000000 R11: fffffbfff203c907 R12: dffffc0000000000 R13: 1ffffffff1fdd830 R14: ffff88805a8518d8 R15: ffff88805a851800 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe0e5e656c0 CR3: 000000006ce5a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:632 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