make -C tools/testing/selftests TARGETS="net" TEST_PROGS=reuseaddr_conflicct TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: reuseaddr_conflict
# 0.00 [+0.00] Opening 127.0.0.1:9999
# 0.00 [+0.00] Opening INADDR_ANY:9999
# 0.00 [+0.00] bind: Address already in use
# 0.00 [+0.00] Opening in6addr_any:9999
# 0.00 [+0.00] Opening INADDR_ANY:9999
# 0.01 [+0.00] bind: Address already in use
# 0.01 [+0.00] Opening INADDR_ANY:9999 after closing ipv6 socket
# 0.01 [+0.00] bind: Address already in use
# 0.01 [+0.00] Success
ok 1 selftests: net: reuseaddr_conflict
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0x00042d20 (size 64):
  comm "swapper/0", pid 0, jiffies 4294667296
  hex dump (first 32 bytes on cpu 0):
    00 00 00 00 00 00 00 00 00 00 06 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+0x4ad/0xab0
    setup_zone_pageset+0x30/0x290
    setup_per_cpu_pageset+0x6a/0x1f0
    start_kernel+0x2a4/0x410
    x86_64_start_reservations+0x18/0x30
    x86_64_start_kernel+0xba/0x110
    common_startup_64+0x12c/0x138
unreferenced object 0x00043040 (size 48):
  comm "swapper/0", pid 0, jiffies 4294667296
  hex dump (first 32 bytes on cpu 0):
    1e 06 01 10 f3 00 fc fe 00 00 00 00 00 00 00 00  ................
    00 00 08 0d 03 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    pcpu_alloc_noprof+0x4ad/0xab0
    setup_per_cpu_pageset+0xd2/0x1f0
    start_kernel+0x2a4/0x410
    x86_64_start_reservations+0x18/0x30
    x86_64_start_kernel+0xba/0x110
    comm
DETECTED CRASH, lowering timeout
on_startup_64+0x12c/0x138
xx__->