mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x10, 0xffffffffffffffff, 0x38db2000)
r2 = pkey_alloc(0x0, 0x2)
pkey_free(r2)
pkey_alloc(0x0, 0x0)
pkey_alloc(0x0, 0x2)
BUG: memory leak
unreferenced object 0x000415c0 (size 48):
  comm "swapper/0", pid 0, jiffies 4294667296
  hex dump (first 32 bytes on cpu 0):
    14 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    pcpu_alloc_noprof+0x777/0x11b0
    setup_per_cpu_pageset+0x158/0x1f0
    start_kernel+0x34c/0x540
    x86_64_start_reservations+0x18/0x30
    x86_64_start_kernel+0xcb/0xe0
    common_startup_64+0x12c/0x138

BUG: leak checking failed