BUG: memory leak
unreferenced object 0xffff8881235c2400 (size 1024):
  comm "syz-executor.3", pid 8477, jiffies 4294967627 (age 14.840s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000004e9e0404>] kmalloc_array include/linux/slab.h:592 [inline]
    [<000000004e9e0404>] kcalloc include/linux/slab.h:621 [inline]
    [<000000004e9e0404>] veth_alloc_queues drivers/net/veth.c:1029 [inline]
    [<000000004e9e0404>] veth_dev_init+0x88/0x150 drivers/net/veth.c:1056
    [<00000000cf2374b2>] register_netdevice+0x17f/0x8d0 net/core/dev.c:9976
    [<000000009207fdb5>] veth_newlink+0x217/0x500 drivers/net/veth.c:1363
    [<00000000fe04af29>] __rtnl_newlink+0xa57/0xdc0 net/core/rtnetlink.c:3443
    [<00000000d133cdfa>] rtnl_newlink+0x49/0x70 net/core/rtnetlink.c:3502
    [<0000000032cd38f5>] rtnetlink_rcv_msg+0x1fc/0x520 net/core/rtnetlink.c:5564
    [<000000009efec85b>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494
    [<00000000180cb3be>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
    [<00000000180cb3be>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330
    [<0000000013b654d3>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919
    [<0000000083d08ea6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<0000000083d08ea6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000ea7ec0e9>] __sys_sendto+0x15c/0x200 net/socket.c:1975
    [<00000000fa441a70>] __do_sys_sendto net/socket.c:1987 [inline]
    [<00000000fa441a70>] __se_sys_sendto net/socket.c:1983 [inline]
    [<00000000fa441a70>] __x64_sys_sendto+0x26/0x30 net/socket.c:1983
    [<0000000057dfaf74>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000bc0f5fda>] entry_SYSCALL_64_after_hwframe+0x44/0xa9