device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode bond5 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3769 at net/core/dev.c:10870 unregister_netdevice_many+0x151f/0x1a30 Modules linked in: CPU: 0 PID: 3769 Comm: kworker/u4:7 Not tainted 6.1.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: netns cleanup_net RIP: 0010:unregister_netdevice_many+0x151f/0x1a30 net/core/dev.c:10870 Code: a1 f9 48 8b 7c 24 20 48 8b 3f 48 3b 7c 24 10 0f 84 12 01 00 00 48 89 fb e8 de ff 4c f9 48 89 d9 e9 06 f6 ff ff e8 d1 ff 4c f9 <0f> 0b e9 1c ff ff ff e8 c5 ff 4c f9 0f 0b e9 70 ff ff ff e8 b9 ff RSP: 0018:ffffc90004c1f8e0 EFLAGS: 00010293 RAX: ffffffff883cb67f RBX: ffff888055ef40a0 RCX: ffff888026920000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90004c1fa50 R08: ffffffff883cb555 R09: fffffbfff1bbb6e5 R10: fffffbfff1bbb6e5 R11: 1ffffffff1bbb6e4 R12: ffff888085b4fc80 R13: 0000000000000002 R14: dffffc0000000000 R15: ffff888055ef4000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb165d81998 CR3: 000000007f136000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: default_device_exit_batch+0x660/0x6d0 net/core/dev.c:11341 ops_exit_list net/core/net_namespace.c:174 [inline] cleanup_net+0x80c/0xc50 net/core/net_namespace.c:601 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306