netlink: 8 bytes leftover after parsing attributes in process `syz.3.1002'.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9824 at ./include/net/netdev_lock.h:17 netdev_assert_locked include/net/netdev_lock.h:17 [inline]
WARNING: CPU: 1 PID: 9824 at ./include/net/netdev_lock.h:17 netdev_nl_dev_fill+0x6bc/0x860 net/core/netdev-genl.c:41
Modules linked in:
CPU: 1 UID: 0 PID: 9824 Comm: syz.3.1002 Not tainted 6.15.0-rc1-syzkaller-00412-g4e34a840613b #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:netdev_assert_locked include/net/netdev_lock.h:17 [inline]
RIP: 0010:netdev_nl_dev_fill+0x6bc/0x860 net/core/netdev-genl.c:41
Code: 1c 24 44 29 eb 4c 89 e8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 4a 01 00 00 41 89 5d 00 31 c0 e9 4d fe ff ff e8 85 ec c3 f7 90 <0f> 0b 90 e9 2c fa ff ff e8 77 ec c3 f7 90 0f 0b 90 42 80 3c 3b 00
RSP: 0018:ffffc90003e66820 EFLAGS: 00010287
RAX: ffffffff89ff68eb RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000c6e5000 RSI: 0000000000008435 RDI: 0000000000008436
RBP: ffffc90003e66950 R08: ffffffff89ff630c R09: 1ffff1100ce579dc
R10: dffffc0000000000 R11: ffffed100ce579dd R12: ffff8880677d8000
R13: ffff888028c608c0 R14: ffff888028c608c0 R15: ffffc90003e669a0
FS:  00007fe4155f66c0(0000) GS:ffff8881250a5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3af7ee CR3: 0000000031bde000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netdev_genl_dev_notify+0x1fb/0x450 net/core/netdev-genl.c:102
 netdev_genl_netdevice_event+0x81/0xa0 net/core/netdev-genl.c:-1
 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2264 [inline]
 call_netdevice_notifiers net/core/dev.c:2278 [inline]
 register_netdevice+0x16c0/0x1b80 net/core/dev.c:11100
 __vxlan_dev_create+0x3ab/0xa40 drivers/net/vxlan/vxlan_core.c:3989
 vxlan_newlink+0x186/0x1f0 drivers/net/vxlan/vxlan_core.c:4418
 rtnl_newlink_create+0x3a1/0xc30 net/core/rtnetlink.c:3837
 __rtnl_newlink net/core/rtnetlink.c:3954 [inline]
 rtnl_newlink+0x18b0/0x1fe0 net/core/rtnetlink.c:4069
 rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6959
 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:727
 ____sys_sendmsg+0x523/0x860 net/socket.c:2566
 ___sys_sendmsg net/socket.c:2620 [inline]
 __sys_sendmsg+0x271/0x360 net/socket.c:2652
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe41778e169
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe4155f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe4179b5fa0 RCX: 00007fe41778e169
RDX: 0000000024040004 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007fe417810a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe4179b5fa0 R15: 00007ffc260e8878
 </TASK>