Gilbert Song created MESOS-5673:
-----------------------------------
Summary: Port mapping isolator may cause segfault if it bind mount
root does not exist.
Key: MESOS-5673
URL: https://issues.apache.org/jira/browse/MESOS-5673
Project: Mesos
Issue Type: Bug
Components: isolation
Environment: Fedora 23 with network isolation
Reporter: Gilbert Song
Assignee: Gilbert Song
A check is needed for port mapping isolator for its bind mount root. Otherwise,
non-existed port-mapping bind mount root may cause segmentation fault for some
cases. Here is the test log:
{noformat}
[00:57:42] : [Step 10/10] [----------] 11 tests from PortMappingIsolatorTest
[00:57:42] : [Step 10/10] [ RUN ]
PortMappingIsolatorTest.ROOT_NC_ContainerToContainerTCP
[00:57:42]W: [Step 10/10] I0604 00:57:42.723029 24841
port_mapping_tests.cpp:229] Using eth0 as the public interface
[00:57:42]W: [Step 10/10] I0604 00:57:42.723348 24841
port_mapping_tests.cpp:237] Using lo as the loopback interface
[00:57:42]W: [Step 10/10] I0604 00:57:42.735090 24841 resources.cpp:572]
Parsing resources as JSON failed:
cpus:2;mem:1024;disk:1024;ephemeral_ports:[30001-30999];ports:[31000-32000]
[00:57:42]W: [Step 10/10] Trying semicolon-delimited string format instead
[00:57:42]W: [Step 10/10] I0604 00:57:42.736006 24841
port_mapping.cpp:1557] Using eth0 as the public interface
[00:57:42]W: [Step 10/10] I0604 00:57:42.736331 24841
port_mapping.cpp:1582] Using lo as the loopback interface
[00:57:42]W: [Step 10/10] I0604 00:57:42.737501 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/neigh/default/gc_thresh3 = '1024'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737545 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/neigh/default/gc_thresh1 = '128'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737578 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_wmem = '4096 16384 4194304'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737608 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_synack_retries = '5'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737637 24841
port_mapping.cpp:1869] /proc/sys/net/core/rmem_max = '212992'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737666 24841
port_mapping.cpp:1869] /proc/sys/net/core/somaxconn = '128'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737694 24841
port_mapping.cpp:1869] /proc/sys/net/core/wmem_max = '212992'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737720 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_rmem = '4096 87380 6291456'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737746 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_keepalive_time = '7200'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737772 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/neigh/default/gc_thresh2 = '512'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737798 24841
port_mapping.cpp:1869] /proc/sys/net/core/netdev_max_backlog = '1000'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737828 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_keepalive_intvl = '75'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737854 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_keepalive_probes = '9'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737879 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_max_syn_backlog = '512'
[00:57:42]W: [Step 10/10] I0604 00:57:42.737905 24841
port_mapping.cpp:1869] /proc/sys/net/ipv4/tcp_retries2 = '15'
[00:57:42]W: [Step 10/10] F0604 00:57:42.737968 24841
port_mapping_tests.cpp:448] CHECK_SOME(isolator): Failed to get realpath for
bind mount root '/var/run/netns': Not found
[00:57:42]W: [Step 10/10] *** Check failure stack trace: ***
[00:57:42]W: [Step 10/10] @ 0x7f8bd52583d2
google::LogMessage::Fail()
[00:57:42]W: [Step 10/10] @ 0x7f8bd525832b
google::LogMessage::SendToLog()
[00:57:42]W: [Step 10/10] @ 0x7f8bd5257d21
google::LogMessage::Flush()
[00:57:42]W: [Step 10/10] @ 0x7f8bd525ab92
google::LogMessageFatal::~LogMessageFatal()
[00:57:42]W: [Step 10/10] @ 0xa62171
_CheckFatal::~_CheckFatal()
[00:57:42]W: [Step 10/10] @ 0x1931b17
mesos::internal::tests::PortMappingIsolatorTest_ROOT_NC_ContainerToContainerTCP_Test::TestBody()
[00:57:42]W: [Step 10/10] @ 0x19e17b6
testing::internal::HandleSehExceptionsInMethodIfSupported<>()
[00:57:42]W: [Step 10/10] @ 0x19dc864
testing::internal::HandleExceptionsInMethodIfSupported<>()
[00:57:42]W: [Step 10/10] @ 0x19bd2ae testing::Test::Run()
[00:57:42]W: [Step 10/10] @ 0x19bda66 testing::TestInfo::Run()
[00:57:42]W: [Step 10/10] @ 0x19be0b7 testing::TestCase::Run()
[00:57:42]W: [Step 10/10] @ 0x19c4bf5
testing::internal::UnitTestImpl::RunAllTests()
[00:57:42]W: [Step 10/10] @ 0x19e247d
testing::internal::HandleSehExceptionsInMethodIfSupported<>()
[00:57:42]W: [Step 10/10] @ 0x19dd3a4
testing::internal::HandleExceptionsInMethodIfSupported<>()
[00:57:42]W: [Step 10/10] @ 0x19c38d1 testing::UnitTest::Run()
[00:57:42]W: [Step 10/10] @ 0xfd28cb RUN_ALL_TESTS()
[00:57:42]W: [Step 10/10] @ 0xfd24b1 main
[00:57:42]W: [Step 10/10] @ 0x7f8bceb89580 __libc_start_main
[00:57:42]W: [Step 10/10] @ 0xa607c9 _start
[00:57:43]W: [Step 10/10]
/mnt/teamcity/temp/agentTmp/custom_script659125926639545396: line 3: 24841
Aborted (core dumped) GLOG_v=1 ./bin/mesos-tests.sh --verbose
--gtest_filter="$GTEST_FILTER"
[00:57:43]W: [Step 10/10] Process exited with code 134
{noformat}
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