make -C tools/testing/selftests TARGETS="net" TEST_PROGS=ipv6_route_updatee_soft_lockup.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: ipv6_route_update_soft_lockup.sh
# 1.69 [+1.69] info: populating 128 IPv6 addresses on the veth_sink interface ...
# 13.81 [+12.12] info: starting 2 iperf3 servers in the sink_ns namespace ...
# 14.71 [+0.91] info: starting 2 iperf3 clients in the source_ns namespace ...
# 15.19 [+0.47] info: IPv6 routing table is being updated at the rate of 100/s for 300 seconds ...
# 15.19 [+0.00] info: A kernel soft lockup, if detected, results in a kernel panic!
# 300.33 [+285.14] info: cleaning up namespaces and terminating all processes within them...
# 301.35 [+1.02] PASS: No kernel soft lockup occurred during this 300 second test
ok 1 selftests: net: ipv6_route_update_soft_lockup.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
xx__->