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WARNING: CPU: 0 PID: 10620 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: 10620 Comm: syz-executor.4 Not tainted 5.14.0-rc7-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 8c f1 b5 fc 48 89 ef ba 02 00 00 00 48 c7 c6 00 cb 0e 8a e8 28 61 99 02 5b 5d 41 5c 41 5d e9 6d f1 b5 fc e8 68 f1 b5 fc <0f> 0b 5b 5d 41 5c 41 5d e9 5b f1 b5 fc 4c 89 e7 e8 53 2b fc fc e9
RSP: 0018:ffffc9000c63f0a8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801bef9c40 RSI: ffffffff84bfb788 RDI: 0000000000000003
RBP: ffff8880349ab580 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff84bfb5fc R11: 0000000000000000 R12: ffff8881413f3578
R13: ffff88801e361000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f66bd388700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564faece15d8 CR3: 0000000044fc8000 CR4: 0000000000350ee0
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+0x106e/0x1760 net/core/rtnetlink.c:3460
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3508
 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5574
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x86d/0xdb0 net/netlink/af_netlink.c:1929
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:723
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2392
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2446
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2475
 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: 0033:0x4665f9
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:00007f66bd388188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff7a8ca72f R14: 00007f66bd388300 R15: 0000000000022000