BUG: memory leak
unreferenced object 0xffff88800afcd000 (size 64):
  comm "syz-executor.4", pid 10604, jiffies 4296045483 (age 18.535s)
  hex dump (first 32 bytes):
    05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 ac 1e 00 05 01 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000009d3b97c1>] kmalloc include/linux/slab.h:552 [inline]
    [<000000009d3b97c1>] kzalloc include/linux/slab.h:664 [inline]
    [<000000009d3b97c1>] netlbl_mgmt_add_common+0x105c/0x1770 net/netlabel/netlabel_mgmt.c:173
    [<00000000977a8b39>] netlbl_mgmt_add+0x28a/0x3e0 net/netlabel/netlabel_mgmt.c:439
    [<0000000023f27761>] genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739
    [<00000000942cd859>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
    [<00000000942cd859>] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800
    [<0000000058bfa333>] netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2496
    [<00000000b2cdf95c>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
    [<00000000be834470>] netlink_unicast_kernel net/netlink/af_netlink.c:1306 [inline]
    [<00000000be834470>] netlink_unicast+0x53a/0x7e0 net/netlink/af_netlink.c:1332
    [<00000000d72b49ba>] netlink_sendmsg+0x860/0xda0 net/netlink/af_netlink.c:1921
    [<000000003e62f30c>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<000000003e62f30c>] sock_sendmsg+0x150/0x190 net/socket.c:671
    [<000000005568b5b2>] ____sys_sendmsg+0x709/0x870 net/socket.c:2353
    [<00000000fa431cc9>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2407
    [<00000000a8b05826>] __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440
    [<000000003ae44993>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<000000008d83dce9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed