BUG: memory leak
unreferenced object 0xffff888125612880 (size 64):
  comm "swapper/0", pid 1, jiffies 4294937894 (age 149.800s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 80 8c 08 00 c9 ff ff  ................
    00 50 00 00 00 00 00 00 02 00 00 00 00 00 00 00  .P..............
  backtrace:
    [<00000000f5549918>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000f5549918>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<00000000f5549918>] slab_alloc mm/slab.c:3319 [inline]
    [<00000000f5549918>] __do_kmalloc mm/slab.c:3653 [inline]
    [<00000000f5549918>] __kmalloc+0x169/0x300 mm/slab.c:3664
    [<00000000d1df4c02>] kmalloc_array include/linux/slab.h:676 [inline]
    [<00000000d1df4c02>] genl_register_family net/netlink/genetlink.c:355 [inline]
    [<00000000d1df4c02>] genl_register_family+0x5c2/0x796 net/netlink/genetlink.c:322
    [<000000008ef093ef>] ip_vs_genl_register net/netfilter/ipvs/ip_vs_ctl.c:3973 [inline]
    [<000000008ef093ef>] ip_vs_register_nl_ioctl+0x42/0x72 net/netfilter/ipvs/ip_vs_ctl.c:4164
    [<000000008d73e725>] ip_vs_init+0x93/0x102 net/netfilter/ipvs/ip_vs_core.c:2484
    [<00000000eda399d4>] do_one_initcall+0x5c/0x2ca init/main.c:939
    [<00000000f357be44>] do_initcall_level init/main.c:1007 [inline]
    [<00000000f357be44>] do_initcalls init/main.c:1015 [inline]
    [<00000000f357be44>] do_basic_setup init/main.c:1032 [inline]
    [<00000000f357be44>] kernel_init_freeable+0x1aa/0x267 init/main.c:1192
    [<00000000cac158ee>] kernel_init+0x10/0x155 init/main.c:1110
    [<0000000056d0ba8a>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352