------------[ cut here ]------------
WARNING: CPU: 1 PID: 7021 at net/core/dev.c:9593 dev_index_reserve+0x1a2/0x1c0 net/core/dev.c:9593
Modules linked in:
CPU: 1 PID: 7021 Comm: syz-executor.2 Not tainted 6.5.0-rc6-syzkaller-01712-g23c167af2404 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:dev_index_reserve+0x1a2/0x1c0 net/core/dev.c:9593
Code: 00 31 d2 4d 8d 45 50 b9 ff ff ff 7f 48 8d 74 24 20 e8 02 3e 02 02 4c 89 e7 89 c3 e8 c8 38 11 02 e9 48 ff ff ff e8 6e f2 5d f9 <0f> 0b bb ea ff ff ff e9 52 ff ff ff e8 4d 87 0d 02 66 66 2e 0f 1f
RSP: 0018:ffffc9000c6f7028 EFLAGS: 00010287
RAX: 00000000000012b1 RBX: 00000000ffffffff RCX: ffffc90005df2000
RDX: 0000000000040000 RSI: ffffffff88282e22 RDI: 0000000000000005
RBP: 1ffff920018dee05 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: ffffffff81dae2a5 R12: ffff888044350010
R13: ffff888048171d40 R14: ffff888044350000 R15: ffff8880443500f8
FS:  00007fcae9f996c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc5e87eec8 CR3: 000000002b8d2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 register_netdevice+0x69a/0x1490 net/core/dev.c:10081
 __vxlan_dev_create+0x7b6/0xa20 drivers/net/vxlan/vxlan_core.c:3831
 vxlan_newlink+0xd1/0x120 drivers/net/vxlan/vxlan_core.c:4208
 rtnl_newlink_create net/core/rtnetlink.c:3471 [inline]
 __rtnl_newlink+0x115e/0x18c0 net/core/rtnetlink.c:3688
 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3701
 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6427
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:728 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:751
 ____sys_sendmsg+0x2ac/0x940 net/socket.c:2538
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2592
 __sys_sendmmsg+0x1a1/0x450 net/socket.c:2678
 __do_sys_sendmmsg net/socket.c:2707 [inline]
 __se_sys_sendmmsg net/socket.c:2704 [inline]
 __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2704
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcae927cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcae9f990c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fcae939bf80 RCX: 00007fcae927cae9
RDX: 0492492492492627 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fcae92c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcae939bf80 R15: 00007ffda7139468
 </TASK>