bond4 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 12438 at net/core/dev.c:10869 unregister_netdevice_many_notify+0x156c/0x1a90 Modules linked in: CPU: 1 PID: 12438 Comm: kworker/u4:29 Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: netns cleanup_net RIP: 0010:unregister_netdevice_many_notify+0x156c/0x1a90 net/core/dev.c:10869 Code: 77 3b f9 48 8b 7c 24 10 48 8b 3f 48 3b 3c 24 0f 84 3c 01 00 00 48 89 fb e8 01 08 e5 f8 48 89 d9 e9 5f f5 ff ff e8 f4 07 e5 f8 <0f> 0b e9 4f ff ff ff e8 e8 07 e5 f8 0f 0b eb 9f e8 df 07 e5 f8 c6 RSP: 0018:ffffc90005fa78c0 EFLAGS: 00010293 RAX: ffffffff88a7b9bc RBX: ffff88803ae780a0 RCX: ffff88801c458000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90005fa7a70 R08: ffffffff88a7b8c5 R09: fffffbfff1c52c65 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88803ae78c00 R13: ffff88807e65b390 R14: dffffc0000000000 R15: ffff88803ae78000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc59e7fee20 CR3: 000000000cf30000 CR4: 00000000003506e0 Call Trace: unregister_netdevice_many net/core/dev.c:10899 [inline] default_device_exit_batch+0x5c4/0x630 net/core/dev.c:11352 ops_exit_list net/core/net_namespace.c:174 [inline] cleanup_net+0x767/0xb80 net/core/net_namespace.c:613 process_one_work+0x915/0x13a0 kernel/workqueue.c:2390 worker_thread+0xa63/0x1210 kernel/workqueue.c:2537 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308