[kudu-CR] [flaky tests] Address LSAN false positives

["David Ribeiro Alves (Code Review)" <ge...@cloudera.org>]

Hello Kudu Jenkins,

I'd like you to reexamine a change.  Please visit

    http://gerrit.cloudera.org:8080/6320

to look at the new patch set (#3).

Change subject: [flaky tests] Address LSAN false positives
......................................................................

[flaky tests] Address LSAN false positives

Some tests, like external_mini_cluster-itest, are now only failing
in ASAN due to leaks. Upon inspection I could only find false
positives among these leaks around thread local variables.

This seems related to this issue:
https://github.com/google/sanitizers/issues/757

The fix is to wrap those specific instances of false positives
with ScopedLeakDisabler so that they don't get reported.

After many tries I was unable to come up with the right incantation
to cause this in dist-tests. Running the highest failing test in
ASAN with stress was not enough to cause this. Somehow this is
more likely in jenkins where these failures are pretty common.

Change-Id: I8c8d9ff83c0cfbc11cab213a25cbd5daa3b25869
---
M src/kudu/util/kernel_stack_watchdog.cc
M src/kudu/util/striped64.cc
M src/kudu/util/thread_restrictions.cc
3 files changed, 15 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/20/6320/3
-- 
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I8c8d9ff83c0cfbc11cab213a25cbd5daa3b25869
Gerrit-PatchSet: 3
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: David Ribeiro Alves <da...@gmail.com>
Gerrit-Reviewer: Adar Dembo <ad...@cloudera.com>
Gerrit-Reviewer: Andrew Wong <aw...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Tidy Bot
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>