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: 10 at drivers/net/ipvlan/ipvlan_l3s.c:148 ipvlan_unregister_nf_hook+0x2c8/0x300 drivers/net/ipvlan/ipvlan_l3s.c:148 Modules linked in: CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted 5.16.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:ipvlan_unregister_nf_hook+0x2c8/0x300 drivers/net/ipvlan/ipvlan_l3s.c:148 Code: ff e8 ac 1a a9 fc 48 89 ef ba 02 00 00 00 48 c7 c6 80 15 31 8a e8 f8 60 9c 02 5b 5d 41 5c 41 5d e9 8d 1a a9 fc e8 88 1a a9 fc <0f> 0b 5b 5d 41 5c 41 5d e9 7b 1a a9 fc 4c 89 e7 e8 a3 da ef fc e9 RSP: 0018:ffffc90000cf7990 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888010e79d00 RSI: ffffffff84ce7ed8 RDI: 0000000000000003 RBP: ffff888040978000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff84ce7d4c R11: 0000000000000000 R12: ffff8880173184b0 R13: ffff88807bed9800 R14: ffff888028548000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd96b9f0ab4 CR3: 0000000070e56000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ipvlan_l3s_unregister+0x9e/0x140 drivers/net/ipvlan/ipvlan_l3s.c:221 ipvlan_port_destroy drivers/net/ipvlan/ipvlan_main.c:99 [inline] ipvlan_uninit+0x468/0x540 drivers/net/ipvlan/ipvlan_main.c:176 unregister_netdevice_many+0xc99/0x1850 net/core/dev.c:10413 default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:10926 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:593 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295