oschaaf opened a new issue #2001:
URL: https://github.com/apache/incubator-pagespeed-mod/issues/2001
This TSAN failure look serious, and deserves looking into.
```
[ RUN ] RewriteContextTest.LoadSheddingTest
FATAL: ThreadSanitizer CHECK failed:
/build/llvm-toolchain-10-10.0.1~++20200708124224+ef32c611aa2/compiler-rt/lib/sanitizer_common/sanitizer_deadlock_detector.h:67
"((n_all_locks_)) <
(((sizeof(all_locks_with_contexts_)/sizeof((all_locks_with_contexts_)[0]))))"
(0x40, 0x40)
#0 __tsan::TsanCheckFailed(char const*, int, char const*, unsigned long
long, unsigned long long) <null> (rewriter_test+0x5d85f5)
#1 __sanitizer::CheckFailed(char const*, int, char const*, unsigned long
long, unsigned long long) <null> (rewriter_test+0x5ef11f)
#2 __sanitizer::DeadlockDetectorTLS<__sanitizer::TwoLevelBitVector<1ul,
__sanitizer::BasicBitVector<unsigned long> > >::addLock(unsigned long, unsigned
long, unsigned int) <null> (rewriter_test+0x5e38bc)
#3 __sanitizer::DD::MutexAfterLock(__sanitizer::DDCallback*,
__sanitizer::DDMutex*, bool, bool) <null> (rewriter_test+0x5e2e2e)
#4 __tsan::MutexPostLock(__tsan::ThreadState*, unsigned long, unsigned
long, unsigned int, int) <null> (rewriter_test+0x5d6ad8)
#5 pthread_mutex_lock <null> (rewriter_test+0x58f228)
#6 net_instaweb::PthreadMutex::Lock()
/proc/self/cwd/pagespeed/kernel/thread/pthread_mutex.cc:43:3
(rewriter_test+0x1f11a12)
#7 net_instaweb::CheckingThreadSystem::Mutex::Lock()
/proc/self/cwd/pagespeed/kernel/base/checking_thread_system.cc:100:11
(rewriter_test+0x1f17af2)
#8 net_instaweb::CheckingThreadSystem::Mutex::Lock()
/proc/self/cwd/pagespeed/kernel/base/checking_thread_system.cc:100:11
(rewriter_test+0x1f17af2)
#9
net_instaweb::QueuedWorkerPool::AreBusy(std::set<net_instaweb::QueuedWorkerPool::Sequence*,
std::less<net_instaweb::QueuedWorkerPool::Sequence*>,
std::allocator<net_instaweb::QueuedWorkerPool::Sequence*> > const&)
/proc/self/cwd/pagespeed/kernel/thread/queued_worker_pool.cc:243:28
(rewriter_test+0x1f03cea)
#10 net_instaweb::MockScheduler::AwaitWakeupUntilUs(long)
/proc/self/cwd/pagespeed/kernel/thread/mock_scheduler.cc:51:7
(rewriter_test+0x19762e8)
#11 net_instaweb::Scheduler::ProcessAlarmsOrWaitUs(long)
/proc/self/cwd/pagespeed/kernel/thread/scheduler.cc:402:5
(rewriter_test+0x1efcab1)
#12 net_instaweb::SchedulerBlockingFunction::Block()
/proc/self/cwd/pagespeed/kernel/thread/scheduler.cc:439:17
(rewriter_test+0x1efcf85)
#13
net_instaweb::RewriteDriver::BoundedWaitFor(net_instaweb::RewriteDriver::WaitMode,
long) /proc/self/cwd/net/instaweb/rewriter/rewrite_driver.cc:531:8
(rewriter_test+0x1284249)
#14 net_instaweb::RewriteDriver::WaitForCompletion()
/proc/self/cwd/net/instaweb/rewriter/rewrite_driver.cc:517:3
(rewriter_test+0x1284124)
#15 net_instaweb::RewriteContextTest_LoadSheddingTest_Test::TestBody()
/proc/self/cwd/net/instaweb/rewriter/rewrite_context_test.cc:2784:17
(rewriter_test+0xdb932a)
#16 void
testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,
void>(testing::Test*, void (testing::Test::*)(), char const*)
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2433:10
(rewriter_test+0x207b6cc)
#17 void
testing::internal::HandleExceptionsInMethodIfSupported<testing::Test,
void>(testing::Test*, void (testing::Test::*)(), char const*)
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2469:14
(rewriter_test+0x205caa1)
#18 testing::Test::Run()
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2508:5
(rewriter_test+0x203cd61)
#19 testing::TestInfo::Run()
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2684:11
(rewriter_test+0x203de1b)
#20 testing::TestSuite::Run()
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2816:28
(rewriter_test+0x203e8ea)
#21 testing::internal::UnitTestImpl::RunAllTests()
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:5338:44
(rewriter_test+0x205269b)
#22 bool
testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
bool>(testing::internal::UnitTestImpl*, bool
(testing::internal::UnitTestImpl::*)(), char const*)
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2433:10
(rewriter_test+0x208031c)
#23 bool
testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
bool>(testing::internal::UnitTestImpl*, bool
(testing::internal::UnitTestImpl::*)(), char const*)
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:2469:14
(rewriter_test+0x2060c97)
#24 testing::UnitTest::Run()
/proc/self/cwd/external/com_google_googletest/googletest/src/gtest.cc:4925:10
(rewriter_test+0x2051ece)
#25 RUN_ALL_TESTS()
/proc/self/cwd/external/com_google_googletest/googletest/include/gtest/gtest.h:2473:46
(rewriter_test+0x108e317)
#26 PageSpeed::TestRunner::RunTests(int, char**)
/proc/self/cwd/./test/test_runner.h:13:12 (rewriter_test+0x108e2c1)
#27 main /proc/self/cwd/test/main.cc:11:10 (rewriter_test+0x108e20c)
#28 __libc_start_main
/build/glibc-5mDdLG/glibc-2.30/csu/../csu/libc-start.c:308:16
(libc.so.6+0x271e2)
#29 _start <null> (rewriter_test+0x56a5dd)
```
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