BUG: memory leak
unreferenced object 0xffff8880095e1980 (size 64):
  comm "syz-executor.3", pid 14061, jiffies 4296806087 (age 16.780s)
  hex dump (first 32 bytes):
    05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    ac 14 00 00 ac 1e 00 04 01 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000b732fa80>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000b732fa80>] kzalloc include/linux/slab.h:664 [inline]
    [<00000000b732fa80>] netlbl_mgmt_add_common+0x105c/0x1770 net/netlabel/netlabel_mgmt.c:173
    [<00000000e31483ff>] netlbl_mgmt_add+0x28a/0x3e0 net/netlabel/netlabel_mgmt.c:439
    [<000000001600f8c9>] genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739
    [<000000002f72884d>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
    [<000000002f72884d>] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800
    [<00000000d4519c53>] netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2496
    [<00000000f3908d8a>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
    [<00000000a858626a>] netlink_unicast_kernel net/netlink/af_netlink.c:1306 [inline]
    [<00000000a858626a>] netlink_unicast+0x53a/0x7e0 net/netlink/af_netlink.c:1332
    [<00000000c76608b7>] netlink_sendmsg+0x860/0xda0 net/netlink/af_netlink.c:1921
    [<000000006d7237df>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<000000006d7237df>] sock_sendmsg+0x150/0x190 net/socket.c:671
    [<00000000b09c16e3>] ____sys_sendmsg+0x709/0x870 net/socket.c:2340
    [<00000000f4bc834c>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2394
    [<00000000902b6e75>] __sys_sendmsg+0xe5/0x1b0 net/socket.c:2427
    [<000000002bb854d2>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000eab3b883>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed