syzbot

BUG: memory leak
unreferenced object 0xffff888126606400 (size 128):
  comm "swapper/0", pid 1, jiffies 4294937904 (age 228.160s)
  hex dump (first 32 bytes):
    80 00 00 00 00 00 00 00 08 64 60 26 81 88 ff ff  .........d`&....
    08 64 60 26 81 88 ff ff 50 dd 21 81 ff ff ff ff  .d`&....P.!.....
  backtrace:
    [<00000000eabfdf58>] kmalloc_array include/linux/slab.h:597 [inline]
    [<00000000eabfdf58>] genl_register_family net/netlink/genetlink.c:355 [inline]
    [<00000000eabfdf58>] genl_register_family+0x5c8/0x7be net/netlink/genetlink.c:322
    [<0000000097194ea0>] gtp_init+0x39/0xb8 drivers/net/gtp.c:1377
    [<0000000029f465af>] do_one_initcall+0x57/0x2d0 init/main.c:1152
    [<00000000f72fd89c>] do_initcall_level init/main.c:1225 [inline]
    [<00000000f72fd89c>] do_initcalls init/main.c:1241 [inline]
    [<00000000f72fd89c>] do_basic_setup init/main.c:1261 [inline]
    [<00000000f72fd89c>] kernel_init_freeable+0x1e6/0x268 init/main.c:1445
    [<000000007a90abb0>] kernel_init+0xc/0x151 init/main.c:1352
    [<0000000026da7d10>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352