[
https://issues.apache.org/jira/browse/KUDU-2439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17815877#comment-17815877
]
Alexey Serbin commented on KUDU-2439:
-------------------------------------
Below is one more trace when the issue most likely caused a crash of the kudu
CLI binary. That was a TSAN build from sources in the 1.17.x branch, built
from d9371b11fee23ae23d4a00f156d43f5a0beeb0c0:
{noformat}
/home/jenkins-slave/workspace/kudu-branch-1.17.x/0/src/kudu/tools/kudu-admin-test.cc:3085:
Failure
Value of: s.ok()
Actual: false
Expected: true
Runtime error: /tmp/dist-test-taskL_Beoo/build/tsan/bin/kudu: process exited on
signal 11 (core dumped)
stdout:
stderr: W20240208 05:41:40.006017 9002 flags.cc:413] Enabled unsafe flag:
--openssl_security_level_override=0
W20240208 05:41:40.006431 9002 flags.cc:413] Enabled unsafe flag:
--never_fsync=true
W20240208 05:41:40.991340 9002 thread.cc:633] rpc reactor (reactor) Time spent
creating pthread: real 0.928s user 0.001s sys 0.000s
W20240208 05:41:40.991601 9002 thread.cc:599] rpc reactor (reactor) Time spent
starting thread: real 0.928s user 0.001s sys 0.000s
*** Aborted at 1707370901 (unix time) try "date -d @1707370901" if you are using
GNU date ***
PC: @ 0x0 (unknown)
*** SIGSEGV (@0x18) received by PID 9002 (TID 0x7fd8d7c84700) from PID 24;
stack trace: ***
@ 0x443be0 __tsan::CallUserSignalHandler() at /home/jenkins-slave/
workspace/kudu-branch-1.17.x/0/src/kudu/tools/kudu-admin-test.cc:1900
@ 0x4460c3 rtl_sigaction() at
/home/jenkins-slave/workspace/kudu-branch-1.17.x/0/src/kudu/tools/kudu-admin-test.cc:2017
@ 0x7fd8e6686980 (unknown) at ??:0
@ 0x7fd8e668126a __GI___pthread_rwlock_unlock at ??:0
@ 0x4713f3 __interceptor_pthread_rwlock_unlock at
/home/jenkins-slave/workspace/kudu-branch-1.17.x/0/thirdparty/installed/tsan/include/c++/v1/functional:?
@ 0x7fd8e3f6e8a9 CRYPTO_THREAD_unlock at ??:0
@ 0x7fd8e3f0481f CRYPTO_free_ex_data at ??:0
@ 0x7fd8e3b39ae2 SSL_CTX_free at ??:0
@ 0x7fd8e5a27888 _ZNSt3__18__invokeIRPFvP10ssl_ctx_stEJS2_EEEDTclclsr3st
d3__1E7forwardIT_Efp_Espclsr3std3__1E7forwardIT0_Efp0_EEEOS6_DpOS7_ at ??:0
@ 0x7fd8e5a277f4 std::__1::__invoke_void_return_wrapper<>::__call<>()
at ??:0
@ 0x7fd8e5a277a4 std::__1::__function::__alloc_func<>::operator()() at
??:0
@ 0x7fd8e5a263fd std::__1::__function::__func<>::operator()() at ??:0
@ 0x7fd8e9cc17c7 std::__1::__function::__value_func<>::operator()() at
??:0
@ 0x7fd8e9cc16fc std::__1::function<>::operator()() at ??:0
@ 0x7fd8e9cc160e std::__1::unique_ptr<>::reset() at ??:0
@ 0x7fd8e9cc120c std::__1::unique_ptr<>::~unique_ptr() at ??:0
@ 0x7fd8e9cc116a kudu::security::TlsContext::~TlsContext() at ??:0
@ 0x7fd8e9cc10bf std::__1::default_delete<>::operator()() at ??:0
@ 0x7fd8e9cc102e std::__1::unique_ptr<>::reset() at ??:0
@ 0x7fd8e9cb46ac std::__1::unique_ptr<>::~unique_ptr() at ??:0
@ 0x7fd8e9cb13cf kudu::rpc::Messenger::~Messenger() at ??:0
@ 0x7fd8e9cc046f std::__1::default_delete<>::operator()() at ??:0
@ 0x7fd8e9cc0213 std::__1::__shared_ptr_pointer<>::__on_zero_shared()
at ??:0
@ 0x4d2776 std::__1::__shared_count::__release_shared() at
/home/jenkins-slave/workspace/kudu-branch-1.17.x/0/thirdparty/installed/tsan/include/c++/v1/vector:880
@ 0x4d271a std::__1::__shared_weak_count::__release_shared() at
/home/jenkins-slave/workspace/kudu-branch-1.17.x/0/thirdparty/installed/tsan/include/c++/v1/memory:2203
@ 0x569a29 std::__1::shared_ptr<>::~shared_ptr() at ??:?
@ 0x7fd8e9cb3076 std::__1::shared_ptr<>::reset() at ??:0
@ 0x7fd8e9cde1ce kudu::rpc::ReactorThread::RunThread() at ??:0
@ 0x7fd8e9ce0eb2 kudu::rpc::ReactorThread::Init()::$_0::operator()() at
??:0
@ 0x7fd8e9ce0e6a
_ZNSt3__18__invokeIRZN4kudu3rpc13ReactorThread4InitEvE3$_0JEEEDTclclsr3std3__1E7forwardIT_Efp_Espclsr3std3__1E7forwardIT0_Efp0_EEEOS6_DpOS7_
at ??:0
@ 0x7fd8e9ce0dfa std::__1::__invoke_void_return_wrapper<>::__call<>()
at ??:0
@ 0x7fd8e9ce0dc2 std::__1::__function::__alloc_func<>::operator()() at
??:0
I20240208 05:41:41.334489 6626 external_mini_cluster.cc:1554] Killing
/tmp/dist-test-taskL_Beoo/build/tsan/bin/kudu with pid 8826
{noformat}
The full log is attached for convenience: [^kudu-admin-test.7.txt.xz]
> There's no way to safely clean up a KuduClient or Messenger
> -----------------------------------------------------------
>
> Key: KUDU-2439
> URL: https://issues.apache.org/jira/browse/KUDU-2439
> Project: Kudu
> Issue Type: Bug
> Components: client, rpc
> Affects Versions: 1.8.0
> Reporter: Adar Dembo
> Priority: Major
> Attachments: kudu-admin-test.7.txt.xz
>
>
> KuduClient has shared ownership, and its only "shutdown" knob is to drop its
> last ref. This drops the last ref on the underlying Messenger object, but
> Messenger itself has a funky "internal" vs. "external" ref system, and
> destroying the KuduClient only drops the last external ref. The Messenger is
> only destroyed when the last internal ref is dropped, and that only happens
> when outstanding reactor threads finish whatever processing they were busy
> doing. So, there's no way for a user to "destroy this KuduClient and wait for
> all outstanding resources to be cleaned up".
> Why is this important? For one, there's a known data race with outstanding
> work done by the KuduClient's DnsResolver. For two, there's a similar issue
> with OpenSSL. OpenSSL 1.1 registers an atexit() handler that tears down its
> global library state. For this to be safe, all allocated OpenSSL resources
> must have been released by the time atexit() handlers run (which is to say,
> all OpenSSL resources must be released by the time main() returns or exit()
> is called). Because we can't wait on the KuduClient to destroy itself and its
> OpenSSL resources, applications using the KuduClient may run the atexit()
> handler at an unsafe time.
> Here's the TSAN output for the OpenSSL data race:. It's trivial to reproduce
> via reactor-test once the appropriate suppression is removed from
> tsan-suppressions.txt:
> {noformat}
> WARNING: ThreadSanitizer: data race (pid=7914)
> Write of size 1 at 0x7b1000004340 by main thread:
> #0 pthread_rwlock_destroy
> /home/adar/Source/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:1313
> (reactor-test+0x48205e)
> #1 CRYPTO_THREAD_lock_free
> /home/adar/openssl/openssl-1.1.0g/build_shared/../crypto/threads_pthread.c:95
> (libcrypto.so.1.1+0x20d0e5)
> Previous atomic read of size 1 at 0x7b1000004340 by thread T16:
> #0 pthread_rwlock_wrlock
> /home/adar/Source/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:1352
> (reactor-test+0x45ffe3)
> #1 CRYPTO_THREAD_write_lock
> /home/adar/openssl/openssl-1.1.0g/build_shared/../crypto/threads_pthread.c:66
> (libcrypto.so.1.1+0x20d08a)
> #2 std::__1::__function::__func<void (*)(ssl_ctx_st*),
> std::__1::allocator<void (*)(ssl_ctx_st*)>, void
> (ssl_ctx_st*)>::operator()(ssl_ctx_st*&&)
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/functional:1562:12
> (libsecurity.so+0x56b14)
> #3 std::__1::function<void (ssl_ctx_st*)>::operator()(ssl_ctx_st*) const
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/functional:1916:12
> (libkrpc.so+0xb139d)
> #4 std::__1::unique_ptr<ssl_ctx_st, std::__1::function<void (ssl_ctx_st*)>
> >::reset(ssl_ctx_st*)
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:2598:7
> (libkrpc.so+0xb0f9e)
> #5 std::__1::unique_ptr<ssl_ctx_st, std::__1::function<void (ssl_ctx_st*)>
> >::~unique_ptr()
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:2552
> (libkrpc.so+0xb0f9e)
> #6 kudu::security::TlsContext::~TlsContext()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/security/tls_context.h:77
> (libkrpc.so+0xb0f9e)
> #7
> std::__1::default_delete<kudu::security::TlsContext>::operator()(kudu::security::TlsContext*)
> const
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:2285:5
> (libkrpc.so+0xab32c)
> #8 std::__1::unique_ptr<kudu::security::TlsContext,
> std::__1::default_delete<kudu::security::TlsContext>
> >::reset(kudu::security::TlsContext*)
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:2598
> (libkrpc.so+0xab32c)
> #9 std::__1::unique_ptr<kudu::security::TlsContext,
> std::__1::default_delete<kudu::security::TlsContext> >::~unique_ptr()
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:2552
> (libkrpc.so+0xab32c)
> #10 kudu::rpc::Messenger::~Messenger()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/messenger.cc:433
> (libkrpc.so+0xab32c)
> #11
> std::__1::default_delete<kudu::rpc::Messenger>::operator()(kudu::rpc::Messenger*)
> const
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:2285:5
> (libkrpc.so+0xb0ddb)
> #12 std::__1::__shared_ptr_pointer<kudu::rpc::Messenger*,
> std::__1::default_delete<kudu::rpc::Messenger>,
> std::__1::allocator<kudu::rpc::Messenger> >::__on_zero_shared()
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:3586
> (libkrpc.so+0xb0ddb)
> #13 std::__1::__shared_count::__release_shared()
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:3490:9
> (reactor-test+0x4d0a2e)
> #14 std::__1::__shared_weak_count::__release_shared()
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:3532
> (reactor-test+0x4d0a2e)
> #15 std::__1::shared_ptr<kudu::rpc::Messenger>::~shared_ptr()
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:4468
> (reactor-test+0x4d0a2e)
> #16 std::__1::shared_ptr<kudu::rpc::Messenger>::reset()
> /home/adar/Source/kudu/thirdparty/installed/tsan/include/c++/v1/memory:4603:5
> (libkrpc.so+0xbefd1)
> #17 kudu::rpc::ReactorThread::RunThread()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/reactor.cc:482
> (libkrpc.so+0xbefd1)
> #18 boost::_mfi::mf0<void,
> kudu::rpc::ReactorThread>::operator()(kudu::rpc::ReactorThread*) const
> /home/adar/Source/kudu/build/tsan/../../thirdparty/installed/tsan/include/boost/bind/mem_fn_template.hpp:49:29
> (libkrpc.so+0xc8c69)
> #19 void boost::_bi::list1<boost::_bi::value<kudu::rpc::ReactorThread*>
> >::operator()<boost::_mfi::mf0<void, kudu::rpc::ReactorThread>,
> boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void,
> kudu::rpc::ReactorThread>&, boost::_bi::list0&, int)
> /home/adar/Source/kudu/build/tsan/../../thirdparty/installed/tsan/include/boost/bind/bind.hpp:259:9
> (libkrpc.so+0xc8bba)
> #20 boost::_bi::bind_t<void, boost::_mfi::mf0<void,
> kudu::rpc::ReactorThread>,
> boost::_bi::list1<boost::_bi::value<kudu::rpc::ReactorThread*> >
> >::operator()()
> /home/adar/Source/kudu/build/tsan/../../thirdparty/installed/tsan/include/boost/bind/bind.hpp:1222:16
> (libkrpc.so+0xc8b43)
> #21
> boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void,
> boost::_mfi::mf0<void, kudu::rpc::ReactorThread>,
> boost::_bi::list1<boost::_bi::value<kudu::rpc::ReactorThread*> > >,
> void>::invoke(boost::detail::function::function_buffer&)
> /home/adar/Source/kudu/build/tsan/../../thirdparty/installed/tsan/include/boost/function/function_template.hpp:159:11
> (libkrpc.so+0xc8939)
> #22 boost::function0<void>::operator()() const
> /home/adar/Source/kudu/build/tsan/../../thirdparty/installed/tsan/include/boost/function/function_template.hpp:770:14
> (libkrpc.so+0xb8a21)
> #23 kudu::Thread::SuperviseThread(void*)
> /home/adar/Source/kudu/build/tsan/../../src/kudu/util/thread.cc:603:3
> (libkudu_util.so+0x1c1264)
> Location is heap block of size 56 at 0x7b1000004340 allocated by main thread:
> #0 malloc
> /home/adar/Source/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:666
> (reactor-test+0x47cc9c)
> #1 CRYPTO_malloc
> /home/adar/openssl/openssl-1.1.0g/build_shared/../crypto/mem.c:92
> (libcrypto.so.1.1+0x1a6327)
> #2 CRYPTO_THREAD_run_once
> /home/adar/openssl/openssl-1.1.0g/build_shared/../crypto/threads_pthread.c:106
> (libcrypto.so.1.1+0x20d126)
> #3 CRYPTO_THREAD_run_once
> /home/adar/openssl/openssl-1.1.0g/build_shared/../crypto/threads_pthread.c:106
> (libcrypto.so.1.1+0x20d126)
> #4 kudu::rpc::Messenger::Init()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/messenger.cc:444:3
> (libkrpc.so+0xa9589)
> #5
> kudu::rpc::MessengerBuilder::Build(std::__1::shared_ptr<kudu::rpc::Messenger>*)
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/messenger.cc:205:3
> (libkrpc.so+0xa903d)
> #6 kudu::rpc::RpcTestBase::CreateMessenger(std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&,
> std::__1::shared_ptr<kudu::rpc::Messenger>*, int, bool,
> std::__1::basic_string<char, std::__1::char_traits<char>,
> std::__1::allocator<char> > const&, std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&,
> std::__1::basic_string<char, std::__1::char_traits<char>,
> std::__1::allocator<char> > const&, std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&)
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/rpc-test-base.h:462:16
> (reactor-test+0x4d3412)
> #7 kudu::rpc::ReactorTest::SetUp()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/reactor-test.cc:46:5
> (reactor-test+0x4d02ae)
> #8 void
> testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,
> void>(testing::Test*, void (testing::Test::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2402:10
> (libgmock.so+0x551df)
> #9 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test,
> void>(testing::Test*, void (testing::Test::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2438
> (libgmock.so+0x551df)
> #10 testing::Test::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2470:3
> (libgmock.so+0x342b1)
> #11 testing::TestInfo::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2656:11
> (libgmock.so+0x3563c)
> #12 testing::TestCase::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2774:28
> (libgmock.so+0x36116)
> #13 testing::internal::UnitTestImpl::RunAllTests()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:4649:43
> (libgmock.so+0x424ea)
> #14 bool
> testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
> bool>(testing::internal::UnitTestImpl*, bool
> (testing::internal::UnitTestImpl::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2402:10
> (libgmock.so+0x5614f)
> #15 bool
> testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
> bool>(testing::internal::UnitTestImpl*, bool
> (testing::internal::UnitTestImpl::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2438
> (libgmock.so+0x5614f)
> #16 testing::UnitTest::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:4257:10
> (libgmock.so+0x41dd2)
> #17 RUN_ALL_TESTS()
> /home/adar/Source/kudu/build/tsan/../../thirdparty/installed/tsan/include/gtest/gtest.h:2233:46
> (libkudu_test_main.so+0x33fb)
> #18 main
> /home/adar/Source/kudu/build/tsan/../../src/kudu/util/test_main.cc:106:13
> (libkudu_test_main.so+0x2bb6)
> Thread T16 'rpc reactor-793' (tid=7934, finished) created by main thread at:
> #0 pthread_create
> /home/adar/Source/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:992
> (reactor-test+0x45f7d6)
> #1 kudu::Thread::StartThread(std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&,
> std::__1::basic_string<char, std::__1::char_traits<char>,
> std::__1::allocator<char> > const&, boost::function<void ()> const&, unsigned
> long, scoped_refptr<kudu::Thread>*)
> /home/adar/Source/kudu/build/tsan/../../src/kudu/util/thread.cc:556:15
> (libkudu_util.so+0x1c0c8f)
> #2 kudu::Status kudu::Thread::Create<void (kudu::rpc::ReactorThread::*)(),
> kudu::rpc::ReactorThread*>(std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&,
> std::__1::basic_string<char, std::__1::char_traits<char>,
> std::__1::allocator<char> > const&, void (kudu::rpc::ReactorThread::*
> const&)(), kudu::rpc::ReactorThread* const&, scoped_refptr<kudu::Thread>*)
> /home/adar/Source/kudu/build/tsan/../../src/kudu/util/thread.h:164:12
> (libkrpc.so+0xc4095)
> #3 kudu::rpc::ReactorThread::Init()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/reactor.cc:168:10
> (libkrpc.so+0xbeace)
> #4 kudu::rpc::Reactor::Init()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/reactor.cc:728:18
> (libkrpc.so+0xc2f81)
> #5 kudu::rpc::Messenger::Init()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/messenger.cc:446:5
> (libkrpc.so+0xa95e2)
> #6
> kudu::rpc::MessengerBuilder::Build(std::__1::shared_ptr<kudu::rpc::Messenger>*)
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/messenger.cc:205:3
> (libkrpc.so+0xa903d)
> #7 kudu::rpc::RpcTestBase::CreateMessenger(std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&,
> std::__1::shared_ptr<kudu::rpc::Messenger>*, int, bool,
> std::__1::basic_string<char, std::__1::char_traits<char>,
> std::__1::allocator<char> > const&, std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&,
> std::__1::basic_string<char, std::__1::char_traits<char>,
> std::__1::allocator<char> > const&, std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> > const&)
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/rpc-test-base.h:462:16
> (reactor-test+0x4d3412)
> #8 kudu::rpc::ReactorTest::SetUp()
> /home/adar/Source/kudu/build/tsan/../../src/kudu/rpc/reactor-test.cc:46:5
> (reactor-test+0x4d02ae)
> #9 void
> testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,
> void>(testing::Test*, void (testing::Test::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2402:10
> (libgmock.so+0x551df)
> #10 void
> testing::internal::HandleExceptionsInMethodIfSupported<testing::Test,
> void>(testing::Test*, void (testing::Test::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2438
> (libgmock.so+0x551df)
> #11 testing::Test::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2470:3
> (libgmock.so+0x342b1)
> #12 testing::TestInfo::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2656:11
> (libgmock.so+0x3563c)
> #13 testing::TestCase::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2774:28
> (libgmock.so+0x36116)
> #14 testing::internal::UnitTestImpl::RunAllTests()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:4649:43
> (libgmock.so+0x424ea)
> #15 bool
> testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
> bool>(testing::internal::UnitTestImpl*, bool
> (testing::internal::UnitTestImpl::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2402:10
> (libgmock.so+0x5614f)
> #16 bool
> testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
> bool>(testing::internal::UnitTestImpl*, bool
> (testing::internal::UnitTestImpl::*)(), char const*)
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:2438
> (libgmock.so+0x5614f)
> #17 testing::UnitTest::Run()
> /home/adar/Source/kudu/thirdparty/src/googletest-release-1.8.0/googletest/src/gtest.cc:4257:10
> (libgmock.so+0x41dd2)
> #18 RUN_ALL_TESTS()
> /home/adar/Source/kudu/build/tsan/../../thirdparty/installed/tsan/include/gtest/gtest.h:2233:46
> (libkudu_test_main.so+0x33fb)
> #19 main
> /home/adar/Source/kudu/build/tsan/../../src/kudu/util/test_main.cc:106:13
> (libkudu_test_main.so+0x2bb6)
> SUMMARY: ThreadSanitizer: data race
> /home/adar/openssl/openssl-1.1.0g/build_shared/../crypto/threads_pthread.c:95
> in CRYPTO_THREAD_lock_free
> {noformat}
>
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