BUG: memory leak
unreferenced object 0xffff8880402c8000 (size 96):
  comm "syz-executor.6", pid 22547, jiffies 4295009132 (age 22.042s)
  hex dump (first 32 bytes):
    05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    fe 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01  ................
  backtrace:
    [<000000002d5b66b2>] kmalloc include/linux/slab.h:552 [inline]
    [<000000002d5b66b2>] kzalloc include/linux/slab.h:664 [inline]
    [<000000002d5b66b2>] netlbl_mgmt_add_common+0xb36/0x1770 net/netlabel/netlabel_mgmt.c:221
    [<00000000035f751a>] netlbl_mgmt_add+0x28a/0x3e0 net/netlabel/netlabel_mgmt.c:439
    [<00000000b384cb91>] genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739
    [<00000000a6d82881>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
    [<00000000a6d82881>] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800
    [<00000000ba406bf9>] netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2496
    [<000000001bad069d>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
    [<00000000c0bd3942>] netlink_unicast_kernel net/netlink/af_netlink.c:1306 [inline]
    [<00000000c0bd3942>] netlink_unicast+0x53a/0x7e0 net/netlink/af_netlink.c:1332
    [<000000007ce7ba6d>] netlink_sendmsg+0x860/0xda0 net/netlink/af_netlink.c:1921
    [<0000000046a83500>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<0000000046a83500>] sock_sendmsg+0x150/0x190 net/socket.c:671
    [<000000001084e38a>] ____sys_sendmsg+0x709/0x870 net/socket.c:2353
    [<00000000007d4c30>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2407
    [<000000003719537a>] __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440
    [<00000000be924224>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000025aaaa7a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed