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Thread sanitizer warnings #6738

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jedelbo opened this issue Jun 22, 2023 · 5 comments
Closed

Thread sanitizer warnings #6738

jedelbo opened this issue Jun 22, 2023 · 5 comments
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@finnschiermer

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@jedelbo
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jedelbo commented Jun 22, 2023

I noticed these warnings:

[2023/06/22 11:41:12.875] 1: ==================
[2023/06/22 11:41:12.875] 1: WARNING: ThreadSanitizer: data race (pid=4399)
[2023/06/22 11:41:12.875] 1:   Write of size 8 at 0x7f7ad63024d0 by thread T126 (mutexes: write M331068, write M1100144374546296920):
[2023/06/22 11:41:12.875] 1:     #0 memcpy /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:808 (realm-tests+0x7aa52e)
[2023/06/22 11:41:12.875] 1:     #1 void realm::GroupWriter::write_array_at<realm::GroupWriter::MapWindow>(realm::GroupWriter::MapWindow*, unsigned long, char const*, unsigned long) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:1334 (realm-tests+0x175394a)
[2023/06/22 11:41:12.878] 1:     #2 realm::GroupWriter::write_group() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:897 (realm-tests+0x174da9f)
[2023/06/22 11:41:12.878] 1:     #3 realm::DB::low_level_commit(unsigned long, realm::Transaction&, bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2481 (realm-tests+0x173bcb9)
[2023/06/22 11:41:12.879] 1:     #4 realm::DB::do_commit(realm::Transaction&, bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2411 (realm-tests+0x173b7b8)
[2023/06/22 11:41:12.887] 1:     #5 realm::Transaction::commit_and_continue_as_read(bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/transaction.cpp:262 (realm-tests+0x18744a9)
[2023/06/22 11:41:12.887] 1:     #6 (anonymous namespace)::handover_writer(std::shared_ptr<realm::DB>) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3716 (realm-tests+0xc975e2)
[2023/06/22 11:41:12.889] 1:     #7 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3740 (realm-tests+0xc975e2)
[2023/06/22 11:41:12.889] 1:     #8 void* realm::util::Thread::entry_point<(anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0xc975e2)
[2023/06/22 11:41:12.889] 1:
[2023/06/22 11:41:12.889] 1:   Previous read of size 8 at 0x7f7ad63024d0 by thread T124:
[2023/06/22 11:41:12.889] 1:     [failed to restore the stack]
[2023/06/22 11:41:12.889] 1:
[2023/06/22 11:41:12.889] 1:   Mutex M331068 (0x7f7ad679f030) created at:
[2023/06/22 11:41:12.890] 1:     #0 pthread_mutex_lock /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:4196 (realm-tests+0x7bdef6)
[2023/06/22 11:41:12.890] 1:     #1 realm::util::RobustMutex::low_level_lock() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.cpp:211 (realm-tests+0x1902718)
[2023/06/22 11:41:12.891] 1:     #2 void realm::util::RobustMutex::lock<realm::util::InterprocessMutex::lock()::{lambda()#1}>(realm::util::InterprocessMutex::lock()::{lambda()#1}) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:639 (realm-tests+0x173a4bf)
[2023/06/22 11:41:12.891] 1:     #3 realm::util::InterprocessMutex::lock() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/interprocess_mutex.hpp:343 (realm-tests+0x173a4bf)
[2023/06/22 11:41:12.891] 1:     #4 realm::DB::do_begin_write() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2310 (realm-tests+0x173a4bf)
[2023/06/22 11:41:12.895] 1:     #5 realm::DB::start_write(bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2655 (realm-tests+0x1737407)
[2023/06/22 11:41:12.896] 1:     #6 Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3864 (realm-tests+0xc3c4ee)
[2023/06/22 11:41:12.896] 1:     #7 realm::test_util::unit_test::RegisterTest<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads>::run_test(realm::test_util::unit_test::TestContext&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.hpp:640 (realm-tests+0xc9f020)
[2023/06/22 11:41:12.896] 1:     #8 realm::test_util::unit_test::TestList::ThreadContextImpl::run(realm::test_util::unit_test::TestList::SharedContextImpl::Entry, realm::util::UniqueLock&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:728 (realm-tests+0x1524a4e)
[2023/06/22 11:41:12.896] 1:     #9 realm::test_util::unit_test::TestList::ThreadContextImpl::run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:682 (realm-tests+0x1524413)
[2023/06/22 11:41:12.896] 1:     #10 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:641 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.896] 1:     #11 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:645 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.897] 1:     #12 void* realm::util::Thread::entry_point<realm::test_util::unit_test::TestList::run(realm::test_util::unit_test::TestList::Config)::$_1>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.897] 1:
[2023/06/22 11:41:12.897] 1:   Mutex M1100144374546296920 is already destroyed.
[2023/06/22 11:41:12.897] 1:
[2023/06/22 11:41:12.897] 1:   Thread T126 (tid=4740, running) created by thread T124 at:
[2023/06/22 11:41:12.897] 1:     #0 pthread_create /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:966 (realm-tests+0x7a094b)
[2023/06/22 11:41:12.897] 1:     #1 realm::util::Thread::start(void* (*)(void*), void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:472 (realm-tests+0xc96533)
[2023/06/22 11:41:12.897] 1:     #2 void realm::util::Thread::start<(anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36>((anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:450 (realm-tests+0xc96533)
[2023/06/22 11:41:12.898] 1:     #3 (anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3739 (realm-tests+0xc96533)
[2023/06/22 11:41:12.898] 1:     #4 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3876 (realm-tests+0xc96533)
[2023/06/22 11:41:12.898] 1:     #5 void* realm::util::Thread::entry_point<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0xc96533)
[2023/06/22 11:41:12.898] 1:
[2023/06/22 11:41:12.898] 1:   Thread T124 (tid=4738, running) created by thread T6 at:
[2023/06/22 11:41:12.898] 1:     #0 pthread_create /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:966 (realm-tests+0x7a094b)
[2023/06/22 11:41:12.898] 1:     #1 realm::util::Thread::start(void* (*)(void*), void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:472 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:12.899] 1:     #2 void realm::util::Thread::start<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15>(Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:450 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:12.899] 1:     #3 Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3875 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:12.899] 1:     #4 realm::test_util::unit_test::RegisterTest<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads>::run_test(realm::test_util::unit_test::TestContext&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.hpp:640 (realm-tests+0xc9f020)
[2023/06/22 11:41:12.899] 1:     #5 realm::test_util::unit_test::TestList::ThreadContextImpl::run(realm::test_util::unit_test::TestList::SharedContextImpl::Entry, realm::util::UniqueLock&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:728 (realm-tests+0x1524a4e)
[2023/06/22 11:41:12.899] 1:     #6 realm::test_util::unit_test::TestList::ThreadContextImpl::run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:682 (realm-tests+0x1524413)
[2023/06/22 11:41:12.900] 1:     #7 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:641 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.900] 1:     #8 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:645 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.900] 1:     #9 void* realm::util::Thread::entry_point<realm::test_util::unit_test::TestList::run(realm::test_util::unit_test::TestList::Config)::$_1>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.900] 1:
[2023/06/22 11:41:12.900] 1: SUMMARY: ThreadSanitizer: data race /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:1334 in void realm::GroupWriter::write_array_at<realm::GroupWriter::MapWindow>(realm::GroupWriter::MapWindow*, unsigned long, char const*, unsigned long)
[2023/06/22 11:41:12.948] 1: ==================
[2023/06/22 11:41:12.948] 1: ==================
[2023/06/22 11:41:12.948] 1: WARNING: ThreadSanitizer: data race (pid=4399)
[2023/06/22 11:41:12.948] 1:   Write of size 4 at 0x7f7ad63024f0 by thread T126 (mutexes: write M331068, write M1100144374546296920):
[2023/06/22 11:41:12.948] 1:     #0 void realm::GroupWriter::write_array_at<realm::GroupWriter::MapWindow>(realm::GroupWriter::MapWindow*, unsigned long, char const*, unsigned long) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:1333 (realm-tests+0x1753928)
[2023/06/22 11:41:12.948] 1:     #1 realm::GroupWriter::write_group() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:909 (realm-tests+0x174db2c)
[2023/06/22 11:41:12.948] 1:     #2 realm::DB::low_level_commit(unsigned long, realm::Transaction&, bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2481 (realm-tests+0x173bcb9)
[2023/06/22 11:41:12.948] 1:     #3 realm::DB::do_commit(realm::Transaction&, bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2411 (realm-tests+0x173b7b8)
[2023/06/22 11:41:12.948] 1:     #4 realm::Transaction::commit_and_continue_as_read(bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/transaction.cpp:262 (realm-tests+0x18744a9)
[2023/06/22 11:41:12.949] 1:     #5 (anonymous namespace)::handover_writer(std::shared_ptr<realm::DB>) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3716 (realm-tests+0xc975e2)
[2023/06/22 11:41:12.949] 1:     #6 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3740 (realm-tests+0xc975e2)
[2023/06/22 11:41:12.949] 1:     #7 void* realm::util::Thread::entry_point<(anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0xc975e2)
[2023/06/22 11:41:12.949] 1:
[2023/06/22 11:41:12.949] 1:   Previous read of size 8 at 0x7f7ad63024f0 by thread T124:
[2023/06/22 11:41:12.949] 1:     [failed to restore the stack]
[2023/06/22 11:41:12.949] 1:
[2023/06/22 11:41:12.950] 1:   Mutex M331068 (0x7f7ad679f030) created at:
[2023/06/22 11:41:12.950] 1:     #0 pthread_mutex_lock /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:4196 (realm-tests+0x7bdef6)
[2023/06/22 11:41:12.951] 1:     #1 realm::util::RobustMutex::low_level_lock() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.cpp:211 (realm-tests+0x1902718)
[2023/06/22 11:41:12.951] 1:     #2 void realm::util::RobustMutex::lock<realm::util::InterprocessMutex::lock()::{lambda()#1}>(realm::util::InterprocessMutex::lock()::{lambda()#1}) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:639 (realm-tests+0x173a4bf)
[2023/06/22 11:41:12.952] 1:     #3 realm::util::InterprocessMutex::lock() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/interprocess_mutex.hpp:343 (realm-tests+0x173a4bf)
[2023/06/22 11:41:12.952] 1:     #4 realm::DB::do_begin_write() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2310 (realm-tests+0x173a4bf)
[2023/06/22 11:41:12.954] 1:     #5 realm::DB::start_write(bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2655 (realm-tests+0x1737407)
[2023/06/22 11:41:12.954] 1:     #6 Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3864 (realm-tests+0xc3c4ee)
[2023/06/22 11:41:12.954] 1:     #7 realm::test_util::unit_test::RegisterTest<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads>::run_test(realm::test_util::unit_test::TestContext&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.hpp:640 (realm-tests+0xc9f020)
[2023/06/22 11:41:12.954] 1:     #8 realm::test_util::unit_test::TestList::ThreadContextImpl::run(realm::test_util::unit_test::TestList::SharedContextImpl::Entry, realm::util::UniqueLock&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:728 (realm-tests+0x1524a4e)
[2023/06/22 11:41:12.955] 1:     #9 realm::test_util::unit_test::TestList::ThreadContextImpl::run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:682 (realm-tests+0x1524413)
[2023/06/22 11:41:12.955] 1:     #10 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:641 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.955] 1:     #11 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:645 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.955] 1:     #12 void* realm::util::Thread::entry_point<realm::test_util::unit_test::TestList::run(realm::test_util::unit_test::TestList::Config)::$_1>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.955] 1:
[2023/06/22 11:41:12.955] 1:   Mutex M1100144374546296920 is already destroyed.
[2023/06/22 11:41:12.955] 1:
[2023/06/22 11:41:12.955] 1:   Thread T126 (tid=4740, running) created by thread T124 at:
[2023/06/22 11:41:12.955] 1:     #0 pthread_create /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:966 (realm-tests+0x7a094b)
[2023/06/22 11:41:12.959] 1:     #1 realm::util::Thread::start(void* (*)(void*), void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:472 (realm-tests+0xc96533)
[2023/06/22 11:41:12.962] 1:     #2 void realm::util::Thread::start<(anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36>((anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:450 (realm-tests+0xc96533)
[2023/06/22 11:41:12.967] 1:     #3 (anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3739 (realm-tests+0xc96533)
[2023/06/22 11:41:12.967] 1:     #4 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3876 (realm-tests+0xc96533)
[2023/06/22 11:41:12.968] 1:     #5 void* realm::util::Thread::entry_point<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0xc96533)
[2023/06/22 11:41:12.968] 1:
[2023/06/22 11:41:12.968] 1:   Thread T124 (tid=4738, running) created by thread T6 at:
[2023/06/22 11:41:12.968] 1:     #0 pthread_create /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:966 (realm-tests+0x7a094b)
[2023/06/22 11:41:12.969] 1:     #1 realm::util::Thread::start(void* (*)(void*), void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:472 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:12.970] 1:     #2 void realm::util::Thread::start<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15>(Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:450 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:12.970] 1:     #3 Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3875 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:12.970] 1:     #4 realm::test_util::unit_test::RegisterTest<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads>::run_test(realm::test_util::unit_test::TestContext&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.hpp:640 (realm-tests+0xc9f020)
[2023/06/22 11:41:12.970] 1:     #5 realm::test_util::unit_test::TestList::ThreadContextImpl::run(realm::test_util::unit_test::TestList::SharedContextImpl::Entry, realm::util::UniqueLock&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:728 (realm-tests+0x1524a4e)
[2023/06/22 11:41:12.971] 1:     #6 realm::test_util::unit_test::TestList::ThreadContextImpl::run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:682 (realm-tests+0x1524413)
[2023/06/22 11:41:12.973] 1:     #7 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:641 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.973] 1:     #8 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:645 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.973] 1:     #9 void* realm::util::Thread::entry_point<realm::test_util::unit_test::TestList::run(realm::test_util::unit_test::TestList::Config)::$_1>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0x1529a2a)
[2023/06/22 11:41:12.973] 1:
[2023/06/22 11:41:12.973] 1: SUMMARY: ThreadSanitizer: data race /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:1333 in void realm::GroupWriter::write_array_at<realm::GroupWriter::MapWindow>(realm::GroupWriter::MapWindow*, unsigned long, char const*, unsigned long)
[2023/06/22 11:41:12.973] 1: ==================
[2023/06/22 11:41:13.027] 1: ==================
[2023/06/22 11:41:13.027] 1: WARNING: ThreadSanitizer: data race (pid=4399)
[2023/06/22 11:41:13.027] 1:   Write of size 8 at 0x7f7ad63024f8 by thread T126 (mutexes: write M331068, write M1100144374546296920):
[2023/06/22 11:41:13.027] 1:     #0 memcpy /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:808 (realm-tests+0x7aa52e)
[2023/06/22 11:41:13.027] 1:     #1 void realm::GroupWriter::write_array_at<realm::GroupWriter::MapWindow>(realm::GroupWriter::MapWindow*, unsigned long, char const*, unsigned long) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:1334 (realm-tests+0x175394a)
[2023/06/22 11:41:13.027] 1:     #2 realm::GroupWriter::write_group() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:909 (realm-tests+0x174db2c)
[2023/06/22 11:41:13.028] 1:     #3 realm::DB::low_level_commit(unsigned long, realm::Transaction&, bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2481 (realm-tests+0x173bcb9)
[2023/06/22 11:41:13.028] 1:     #4 realm::DB::do_commit(realm::Transaction&, bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2411 (realm-tests+0x173b7b8)
[2023/06/22 11:41:13.028] 1:     #5 realm::Transaction::commit_and_continue_as_read(bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/transaction.cpp:262 (realm-tests+0x18744a9)
[2023/06/22 11:41:13.028] 1:     #6 (anonymous namespace)::handover_writer(std::shared_ptr<realm::DB>) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3716 (realm-tests+0xc975e2)
[2023/06/22 11:41:13.028] 1:     #7 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3740 (realm-tests+0xc975e2)
[2023/06/22 11:41:13.028] 1:     #8 void* realm::util::Thread::entry_point<(anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0xc975e2)
[2023/06/22 11:41:13.028] 1:
[2023/06/22 11:41:13.028] 1: Thread[11]: ../test/test_binary_data.cpp:158: Begin BinaryData_LexicographicCompare  Previous read of size 8 at 0x7f7ad63024f8 by thread T124:
[2023/06/22 11:41:13.028] 1:
[2023/06/22 11:41:13.028] 1:     [failed to restore the stack]
[2023/06/22 11:41:13.028] 1:
[2023/06/22 11:41:13.028] 1:   Mutex M331068 (0x7f7ad679f030) created at:
[2023/06/22 11:41:13.028] 1:     #0 pthread_mutex_lock /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:4196 (realm-tests+0x7bdef6)
[2023/06/22 11:41:13.029] 1: Thread[11]: ../test/test_query2.cpp:255: Begin Query_FindAllParens1
[2023/06/22 11:41:13.029] 1: Thread[11]: ../test/test_group.cpp:1251: Begin Group_CascadeNotify_TableViewClearWeak
[2023/06/22 11:41:13.029] 1:     #1 realm::util::RobustMutex::low_level_lock() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.cpp:211 (realm-tests+0x1902718)
[2023/06/22 11:41:13.033] 1:     #2 void realm::util::RobustMutex::lock<realm::util::InterprocessMutex::lock()::{lambda()#1}>(realm::util::InterprocessMutex::lock()::{lambda()#1}) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:639 (realm-tests+0x173a4bf)
[2023/06/22 11:41:13.033] 1:     #3 realm::util::InterprocessMutex::lock() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/interprocess_mutex.hpp:343 (realm-tests+0x173a4bf)
[2023/06/22 11:41:13.033] 1:     #4 realm::DB::do_begin_write() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2310 (realm-tests+0x173a4bf)
[2023/06/22 11:41:13.033] 1:     #5 realm::DB::start_write(bool) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/db.cpp:2655 (realm-tests+0x1737407)
[2023/06/22 11:41:13.034] 1:     #6 Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3864 (realm-tests+0xc3c4ee)
[2023/06/22 11:41:13.034] 1:     #7 realm::test_util::unit_test::RegisterTest<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads>::run_test(realm::test_util::unit_test::TestContext&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.hpp:640 (realm-tests+0xc9f020)
[2023/06/22 11:41:13.034] 1:     #8 realm::test_util::unit_test::TestList::ThreadContextImpl::run(realm::test_util::unit_test::TestList::SharedContextImpl::Entry, realm::util::UniqueLock&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:728 (realm-tests+0x1524a4e)
[2023/06/22 11:41:13.034] 1:     #9 realm::test_util::unit_test::TestList::ThreadContextImpl::run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:682 (realm-tests+0x1524413)
[2023/06/22 11:41:13.034] 1:     #10 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:641 (realm-tests+0x1529a2a)
[2023/06/22 11:41:13.034] 1:     #11 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:645 (realm-tests+0x1529a2a)
[2023/06/22 11:41:13.034] 1:     #12 void* realm::util::Thread::entry_point<realm::test_util::unit_test::TestList::run(realm::test_util::unit_test::TestList::Config)::$_1>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0x1529a2a)
[2023/06/22 11:41:13.034] 1: Thread[11]: ../test/test_list.cpp:320: Begin List_Ops<realm::test_util::Prop<realm::Timestamp,+(realm::test_util::ColumnState)1,+void>>
[2023/06/22 11:41:13.035] 1:
[2023/06/22 11:41:13.035] 1:   Mutex M1100144374546296920 is already destroyed.
[2023/06/22 11:41:13.035] 1:
[2023/06/22 11:41:13.035] 1:   Thread T126 (tid=4740, running) created by thread T124 at:
[2023/06/22 11:41:13.035] 1:     #0 pthread_create /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:966 (realm-tests+0x7a094b)
[2023/06/22 11:41:13.035] 1: Thread[11]: ../test/test_lang_bind_helper.cpp:2789: Begin LangBindHelper_RollbackAndContinueAsRead_IntIndex
[2023/06/22 11:41:13.035] 1:     #1 realm::util::Thread::start(void* (*)(void*), void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:472 (realm-tests+0xc96533)
[2023/06/22 11:41:13.036] 1:     #2 void realm::util::Thread::start<(anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36>((anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>)::$_36) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:450 (realm-tests+0xc96533)
[2023/06/22 11:41:13.036] 1:     #3 (anonymous namespace)::handover_querier((anonymous namespace)::HandoverControl<(anonymous namespace)::Work>*, realm::test_util::unit_test::TestContext&, std::shared_ptr<realm::DB>) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3739 (realm-tests+0xc96533)
[2023/06/22 11:41:13.036] 1:     #4 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3876 (realm-tests+0xc96533)
[2023/06/22 11:41:13.036] 1:     #5 void* realm::util::Thread::entry_point<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0xc96533)
[2023/06/22 11:41:13.036] 1:
[2023/06/22 11:41:13.036] 1:   Thread T124 (tid=4738, running) created by thread T6 at:
[2023/06/22 11:41:13.036] 1:     #0 pthread_create /home/nnelson/Documents/llvm-project/llvm/utils/release/final/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:966 (realm-tests+0x7a094b)
[2023/06/22 11:41:13.036] 1:     #1 realm::util::Thread::start(void* (*)(void*), void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:472 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:13.036] 1:     #2 void realm::util::Thread::start<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15>(Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run()::$_15) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:450 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:13.036] 1:     #3 Realm_UnitTest__LangBindHelper_HandoverBetweenThreads::test_run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/test_lang_bind_helper.cpp:3875 (realm-tests+0xc3c8b3)
[2023/06/22 11:41:13.037] 1:     #4 realm::test_util::unit_test::RegisterTest<Realm_UnitTest__LangBindHelper_HandoverBetweenThreads>::run_test(realm::test_util::unit_test::TestContext&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.hpp:640 (realm-tests+0xc9f020)
[2023/06/22 11:41:13.037] 1:     #5 realm::test_util::unit_test::TestList::ThreadContextImpl::run(realm::test_util::unit_test::TestList::SharedContextImpl::Entry, realm::util::UniqueLock&) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:728 (realm-tests+0x1524a4e)
[2023/06/22 11:41:13.037] 1:     #6 realm::test_util::unit_test::TestList::ThreadContextImpl::run() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:682 (realm-tests+0x1524413)
[2023/06/22 11:41:13.037] 1:     #7 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:641 (realm-tests+0x1529a2a)
[2023/06/22 11:41:13.037] 1:     #8 operator() /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../test/util/unit_test.cpp:645 (realm-tests+0x1529a2a)
[2023/06/22 11:41:13.037] 1:     #9 void* realm::util::Thread::entry_point<realm::test_util::unit_test::TestList::run(realm::test_util::unit_test::TestList::Config)::$_1>(void*) /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/util/thread.hpp:483 (realm-tests+0x1529a2a)
[2023/06/22 11:41:13.037] 1:
[2023/06/22 11:41:13.037] 1: SUMMARY: ThreadSanitizer: data race /data/mci/32d3279a995390a6bd3d9f9be96dbf76/realm-core/build/../src/realm/group_writer.cpp:1334 in void realm::GroupWriter::write_array_at<realm::GroupWriter::MapWindow>(realm::GroupWriter::MapWindow*, unsigned long, char const*, unsigned long)
[2023/06/22 11:41:13.038] 1: ==================
@jedelbo
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jedelbo commented Jun 22, 2023

@finnschiermer you are so good at this ...

@nicola-cab
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Seems similar to this one: #6474

@finnschiermer
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Agreed.

@finnschiermer
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Likely the same as this one: #6624 (one has the writer, the reader stack is gone, the other has the reader, the writer stack is gone)

@kiburtse kiburtse mentioned this issue Jun 27, 2023
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Duplicate of #6474

@kiburtse kiburtse marked this as a duplicate of #6474 Jun 27, 2023
@finnschiermer finnschiermer mentioned this issue Jul 21, 2023
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@kiburtse kiburtse mentioned this issue Sep 4, 2023
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@sync-by-unito sync-by-unito bot mentioned this issue Sep 28, 2023
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@kiburtse kiburtse closed this as not planned Won't fix, can't repro, duplicate, stale Oct 11, 2023
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