BUG: memory leak
unreferenced object 0xffff88800adcbd00 (size 64):
  comm "syz-executor.1", pid 6852, jiffies 4295232694 (age 18.080s)
  hex dump (first 32 bytes):
    05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    ac 1e 00 02 ac 1e 00 02 01 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000db492a30>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000db492a30>] kzalloc include/linux/slab.h:664 [inline]
    [<00000000db492a30>] netlbl_mgmt_add_common+0x105c/0x1770 net/netlabel/netlabel_mgmt.c:173
    [<0000000039e3558c>] netlbl_mgmt_adddef+0x25b/0x3a0 net/netlabel/netlabel_mgmt.c:562
    [<00000000a1783970>] genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739
    [<0000000021d8b84c>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
    [<0000000021d8b84c>] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800
    [<00000000e28d7b51>] netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2496
    [<00000000dcbc3394>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
    [<0000000063b198cb>] netlink_unicast_kernel net/netlink/af_netlink.c:1306 [inline]
    [<0000000063b198cb>] netlink_unicast+0x53a/0x7e0 net/netlink/af_netlink.c:1332
    [<00000000735ae9d5>] netlink_sendmsg+0x860/0xda0 net/netlink/af_netlink.c:1921
    [<000000000414fb8f>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<000000000414fb8f>] sock_sendmsg+0x150/0x190 net/socket.c:671
    [<000000001a8fc6fe>] ____sys_sendmsg+0x709/0x870 net/socket.c:2340
    [<00000000516bac5e>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2394
    [<000000001845f20f>] __sys_sendmsg+0xe5/0x1b0 net/socket.c:2427
    [<00000000c8b33820>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000e6c7fdd4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed