make -C tools/testing/selftests TARGETS="net" TEST_PROGS=tcp_fastopen_backkup_key.sh 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: tcp_fastopen_backup_key.sh
# 17.04 [+17.04] PASS
# 33.59 [+16.55] PASS
# 50.39 [+16.80] PASS
# 67.40 [+17.01] PASS
# 84.35 [+16.94] PASS
# 101.15 [+16.80] PASS
# 117.99 [+16.84] PASS
# 134.52 [+16.52] PASS
# 151.39 [+16.88] PASS
# 168.22 [+16.82] PASS
# 185.13 [+16.92] PASS
# 202.05 [+16.92] PASS
# 218.97 [+16.92] PASS
# 235.80 [+16.83] PASS
# 252.67 [+16.87] PASS
# 269.48 [+16.82] PASS
# 269.67 [+0.19] all tests done
ok 1 selftests: net: tcp_fastopen_backup_key.sh
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

DETECTED CRASH, lowering timeout
xx__->