bond4 (unregistering): Released all slaves bond3 (unregistering): Released all slaves bond2 (unregistering): Released all slaves bond1 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4666 at net/netfilter/core.c:495 __nf_unregister_net_hook+0x498/0x6d0 net/netfilter/core.c:495 Modules linked in: CPU: 1 PID: 4666 Comm: kworker/u4:0 Not tainted 5.18.0-rc5-syzkaller-00120-gedae34a3ed92 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:__nf_unregister_net_hook+0x498/0x6d0 net/netfilter/core.c:495 Code: c1 ea 03 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 13 02 00 00 4c 63 6b 1c e9 4d ff ff ff e8 88 dc eb f9 <0f> 0b 48 c7 c7 60 25 61 8d e8 4a b9 e1 01 e9 98 fd ff ff 48 89 f7 RSP: 0018:ffffc90003baf8f0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88807c803618 RCX: 0000000000000000 RDX: ffff8880489d3b00 RSI: ffffffff878d62a8 RDI: 0000000000000003 RBP: 0000000000000005 R08: 0000000000000000 R09: ffffc90003baf82f R10: ffffffff878d5ecf R11: 0000000000000040 R12: ffff88804fda83d0 R13: 0000000000000001 R14: 0000000000000000 R15: ffff88807c803620 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0006c5000 CR3: 000000007eeeb000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nf_unregister_net_hook+0xd5/0x110 net/netfilter/core.c:533 nft_unregister_flowtable_hook net/netfilter/nf_tables_api.c:7289 [inline] nft_flowtable_event net/netfilter/nf_tables_api.c:7961 [inline] nf_tables_flowtable_event+0x230/0x460 net/netfilter/nf_tables_api.c:7985 notifier_call_chain+0xb5/0x200 kernel/notifier.c:84 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1938 call_netdevice_notifiers_extack net/core/dev.c:1976 [inline] call_netdevice_notifiers net/core/dev.c:1990 [inline] unregister_netdevice_many+0x92e/0x1890 net/core/dev.c:10747 default_device_exit_batch+0x449/0x590 net/core/dev.c:11241 ops_exit_list+0x125/0x170 net/core/net_namespace.c:167 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298