netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7491 at drivers/net/ipvlan/ipvlan_l3s.c:148 ipvlan_unregister_nf_hook+0x2b8/0x2f0 drivers/net/ipvlan/ipvlan_l3s.c:148
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7491 Comm: syz-executor.0 Not tainted 5.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x45 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:540
RIP: 0010:ipvlan_unregister_nf_hook+0x2b8/0x2f0 drivers/net/ipvlan/ipvlan_l3s.c:148
Code: fc 48 c7 c2 80 55 c2 88 be 2d 00 00 00 48 c7 c7 c0 56 c2 88 c6 05 a7 40 f2 05 01 e8 37 c4 a2 fc e9 26 fe ff ff e8 98 1f bc fc <0f> 0b 5b 5d 41 5c 41 5d e9 8b 1f bc fc 4c 89 e7 e8 53 84 fb fc e9
RSP: 0018:ffffc900028970e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff84b79c0d
RDX: ffff8880a291e4c0 RSI: ffffffff84b79d38 RDI: 0000000000000005
RBP: ffff88809fbbe040 R08: 0000000000000001 R09: ffff8880a291ed88
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a28be940
R13: ffff8880a672d000 R14: 0000000000000000 R15: 0000000000000001
 ipvlan_l3s_unregister+0xac/0x150 drivers/net/ipvlan/ipvlan_l3s.c:221
 ipvlan_set_port_mode+0x41f/0x4b0 drivers/net/ipvlan/ipvlan_main.c:37
 ipvlan_link_new+0x697/0xc04 drivers/net/ipvlan/ipvlan_main.c:611
 __rtnl_newlink+0x1090/0x1750 net/core/rtnetlink.c:3339
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3398
 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5461
 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2469
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2352
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2406
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2439
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c369
Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffd470816d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002b740 RCX: 000000000045c369
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000790730
R13: 0000000000000000 R14: 0000000000000add R15: 000000000078bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..