BUG: memory leak
unreferenced object 0xffff8880090db600 (size 96):
  comm "syz-executor.3", pid 10607, jiffies 4295574853 (age 18.305s)
  hex dump (first 32 bytes):
    05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000066affc51>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000066affc51>] kzalloc include/linux/slab.h:664 [inline]
    [<0000000066affc51>] netlbl_mgmt_add_common+0xb36/0x1770 net/netlabel/netlabel_mgmt.c:221
    [<000000003afdd806>] netlbl_mgmt_add+0x28a/0x3e0 net/netlabel/netlabel_mgmt.c:439
    [<0000000099c7bf0c>] genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739
    [<000000007f9ae340>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
    [<000000007f9ae340>] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800
    [<000000007560bb5f>] netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2496
    [<00000000e39be518>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
    [<00000000e889ef47>] netlink_unicast_kernel net/netlink/af_netlink.c:1306 [inline]
    [<00000000e889ef47>] netlink_unicast+0x53a/0x7e0 net/netlink/af_netlink.c:1332
    [<000000001b62c320>] netlink_sendmsg+0x860/0xda0 net/netlink/af_netlink.c:1921
    [<00000000394742e8>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<00000000394742e8>] sock_sendmsg+0x150/0x190 net/socket.c:671
    [<00000000071cb218>] ____sys_sendmsg+0x709/0x870 net/socket.c:2353
    [<000000002c7aa45e>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2407
    [<00000000cf8ecc83>] __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440
    [<000000001b3fad73>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000df4c61e2>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed