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
# 20.76 [+20.76] PASS
# 40.25 [+19.49] PASS
# 60.30 [+20.05] PASS
# 79.77 [+19.46] PASS
# 99.29 [+19.52] PASS
# 119.27 [+19.98] PASS
# 138.94 [+19.67] PASS
# 159.00 [+20.06] PASS
# 179.92 [+20.91] PASS
# 200.08 [+20.17] PASS
# 220.03 [+19.94] PASS
# 239.57 [+19.54] PASS
# 259.40 [+19.83] PASS
# 279.98 [+20.57] PASS
# 300.12 [+20.14] PASS
# 320.34 [+20.22] PASS
# 320.56 [+0.22] 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 0xffff88800987f100 (size 256):
  comm "ip", pid 253, jiffies 4294678331
  hex dump (first 32 bytes):
    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 00  ................
  backtrace (crc 0):
    __kmalloc_node_noprof+0x35d/0x4a0
    fib4_semantics_init+0x25/0xf0
    fib_net_init+0x17e/0x340
    ops_init+0x189/0x550
    setup_net+0x189/0x750
    copy_net_ns+0x238/0x4b0
    create_new_namespaces+0x35f/0x920
    unshare_nsproxy_namespaces+0x8a/0x1b0
    ksys_unshare+0x2c4/0x6e0
    __x64_sys_unshare+0x31/0x40
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

DETECTED CRASH, lowering timeout
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak

DETECTED CRASH, lowering timeout
unreferenced object 0xffff88800987f100 (size 256):
  comm "ip", pid 253, jiffies 4294678331
  hex dump (first 32 bytes):
    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 00  ................
  backtrace (crc 0):
    __kmalloc_node_noprof+0x35d/0x4a0
    fib4_semantics_init+0x25/0xf0
    fib_net_init+0x17e/0x340
    ops_init+0x189/0x550
    setup_net+0x189/0x750
    copy_net_ns+0x238/0x4b0
    create_new_namespaces+0x35f/0x920
    unshare_nsproxy_namespaces+0x8a/0x1b0
    ksys_unshare+0x2c4/0x6e0
    __x64_sys_unshare+0x31/0x40
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f
xx__->