WARNING: CPU: 0 PID: 25541 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: 0 PID: 25541 Comm: syz-executor.4 Not tainted 5.16.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ipvlan_unregister_nf_hook+0x2c8/0x300 drivers/net/ipvlan/ipvlan_l3s.c:148 Code: ff e8 9c 1a a9 fc 48 89 ef ba 02 00 00 00 48 c7 c6 40 0c 31 8a e8 a8 b1 9c 02 5b 5d 41 5c 41 5d e9 7d 1a a9 fc e8 78 1a a9 fc <0f> 0b 5b 5d 41 5c 41 5d e9 6b 1a a9 fc 4c 89 e7 e8 93 d7 ef fc e9 RSP: 0018:ffffc900055cf0a8 EFLAGS: 00010212 RAX: 0000000000011987 RBX: 0000000000000000 RCX: ffffc90011e55000 RDX: 0000000000040000 RSI: ffffffff84ce7ee8 RDI: 0000000000000003 RBP: ffff88802465b480 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff84ce7d5c R11: 0000000000000000 R12: ffff88801cf7e500 R13: ffff888079ad3800 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f426eb8a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c159000 CR3: 000000007b468000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ipvlan_l3s_unregister+0xac/0x150 drivers/net/ipvlan/ipvlan_l3s.c:221 ipvlan_set_port_mode+0x41f/0x4b0 drivers/net/ipvlan/ipvlan_main.c:39 ipvlan_link_new+0x68e/0xc00 drivers/net/ipvlan/ipvlan_main.c:631 __rtnl_newlink+0x106d/0x1750 net/core/rtnetlink.c:3458 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3506 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5571 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f4271614ae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f426eb8a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4271727f60 RCX: 00007f4271614ae9 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f427166ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb39bac2f R14: 00007f426eb8a300 R15: 0000000000022000