device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode bond1 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8 at drivers/net/ipvlan/ipvlan_l3s.c:148 ipvlan_unregister_nf_hook drivers/net/ipvlan/ipvlan_l3s.c:148 [inline] WARNING: CPU: 1 PID: 8 at drivers/net/ipvlan/ipvlan_l3s.c:148 ipvlan_l3s_unregister+0x145/0x1d0 drivers/net/ipvlan/ipvlan_l3s.c:221 Modules linked in: CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.0-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 drivers/net/ipvlan/ipvlan_l3s.c:148 [inline] RIP: 0010:ipvlan_l3s_unregister+0x145/0x1d0 drivers/net/ipvlan/ipvlan_l3s.c:221 Code: 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 82 e4 a3 fc 49 c7 06 00 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 eb 15 58 fc <0f> 0b eb c8 e8 e2 15 58 fc c6 05 c2 e1 be 08 01 48 c7 c7 40 67 08 RSP: 0018:ffffc90000cd7830 EFLAGS: 00010293 RAX: ffffffff852c3e85 RBX: 1ffff1100354d2d2 RCX: ffff888012015700 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff852c3e0e R09: fffffbfff1bfcce6 R10: fffffbfff1bfcce6 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88801aa69690 R14: ffff88801a640000 R15: ffff888013db9a40 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558056f91160 CR3: 000000000c88e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00000000000000e5 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: ipvlan_port_destroy drivers/net/ipvlan/ipvlan_main.c:99 [inline] ipvlan_uninit+0x1f8/0x440 drivers/net/ipvlan/ipvlan_main.c:176 unregister_netdevice_many+0x138e/0x19e0 net/core/dev.c:11094 default_device_exit_batch+0x44b/0x4b0 net/core/dev.c:11607 ops_exit_list net/core/net_namespace.c:171 [inline] cleanup_net+0x7ec/0xc50 net/core/net_namespace.c:593 process_one_work+0x853/0x1140 kernel/workqueue.c:2298 worker_thread+0xac1/0x1320 kernel/workqueue.c:2445 kthread+0x468/0x490 kernel/kthread.c:327 ret_from_fork+0x1f/0x30