[llvm-dev] msan test failures (original) (raw)

Nicolas Lesser via llvm-dev llvm-dev at lists.llvm.org
Fri Sep 21 12:09:17 PDT 2018

Now I'm on r342755 (200 revisions later), and I still see the errors unfortunately :( So that can't be it.

On Fri, Sep 21, 2018 at 6:03 PM Roman Lebedev <lebedev.ri at gmail.com> wrote:

On Fri, Sep 21, 2018 at 11:28 AM, Nicolas Lesser via llvm-dev <llvm-dev at lists.llvm.org> wrote: > I'm seeing some test failures for unit tests for msan (check-msan) happening > in googletest, which I find weird. I'm on Arch Linux, with r342711. Below is > one type of error that I see. The full log is 416MB (!) big. My guess is > that those errors are related, but if anyone needs the full log, I'll > provide it. Here is a reduced log from the end: > https://drive.google.com/file/d/1R5bLcCvgmgojkbDo6lB3jYBTBxweJP3v/view?usp=sharing Could be https://github.com/google/sanitizers/issues/993 that was fixed by https://reviews.llvm.org/D52272

> What could be the problem? Thanks! :) > > SUMMARY: MemorySanitizer: use-of-uninitialized-value > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:474:31 in > testing::internal::UnitTestOptions::PatternMatchesString(char const*, char > const*) > ==15959==WARNING: MemorySanitizer: use-of-uninitialized-value > #0 0x739054 in > testing::internal::UnitTestOptions::PatternMatchesString(char const*, char > const*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:474:31 > #1 0x738fc7 in > testing::internal::UnitTestOptions::PatternMatchesString(char const*, char > const*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:471:31 > #2 0x738fc7 in > testing::internal::UnitTestOptions::PatternMatchesString(char const*, char > const*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:471:31 > #3 0x738fc7 in > testing::internal::UnitTestOptions::PatternMatchesString(char const*, char > const*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:471:31 > #4 0x738fc7 in > testing::internal::UnitTestOptions::PatternMatchesString(char const*, char > const*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:471:31 > #5 0x7aaeb8 in > _testing::internal::UnitTestOptions::MatchesFilter(std::_1::basicstring<char,_ _> std::_1::chartraits, std::1::allocator > const&, char > const*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:483:9 > #6 0x7aaeb8 in testing::internal::UnitTestImpl::GetTestCase(char const*, > char const*, void ()(), void ()()) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:4519 > #7 0x77250b in testing::internal::UnitTestImpl::AddTestInfo(void (*)(), > void ()(), testing::TestInfo) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest-internal-inl.h:661:5 > #8 0x771e64 in testing::internal::MakeAndRegisterTestInfo(char const*, > char const*, char const*, char const*, testing::internal::CodeLocation, void > const*, void ()(), void ()(), testing::internal::TestFactoryBase*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:2556:22 > #9 0x715f10 in > testing::internal::ParameterizedTestCaseInfo::RegisterTests() > /home/blitz/projects/llvm/utils/unittest/googletest/include/gtest/internal/gtest-param-util.h:586:11 > #10 0x7b8899 in > testing::internal::ParameterizedTestCaseRegistry::RegisterTests() > /home/blitz/projects/llvm/utils/unittest/googletest/include/gtest/internal/gtest-param-util.h:714:14 > #11 0x7b8899 in > testing::internal::UnitTestImpl::RegisterParameterizedTests() > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:2620 > #12 0x7b8899 in testing::internal::UnitTestImpl::PostFlagParsingInit() > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:4454 > #13 0x7b8899 in void testing::internal::InitGoogleTestImpl(int*, > char**) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:5356 > #14 0x73080b in main > /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/tests/msantestmain.cc:19:3 _> #15 0x7fd75b533222 in libcstartmain (/usr/lib/libc.so.6+0x24222) > #16 0x46740d in start > (/home/blitz/projects/bllvm/projects/compiler-rt/lib/msan/tests/Msan-x8664-with-call-Test+0x46740d) > > Uninitialized value was stored to memory at _> #0 0x470553 in msanmemcpy.part.350 > /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msaninterceptors.cc:1488:3 _> #1 0x7aadab in std::1::chartraits::copy(char*, char const*, > unsigned long) _> /home/blitz/projects/llvm/projects/libcxx/include/string:225:50 _> #2 0x7aadab in std::1::basicstring<char,_ _std::_1::chartraits, _> std::_1::allocator >::init(char const*, unsigned long) > /home/blitz/projects/llvm/projects/libcxx/include/string:1779 _> #3 0x7aadab in std::1::basicstring<char,_ _std::_1::chartraits, _> std::1::allocator >::basicstringstd::nullptrt(char const*) > /home/blitz/projects/llvm/projects/libcxx/include/string:814 > #4 0x7aadab in testing::internal::UnitTestImpl::GetTestCase(char const*, > char const*, void ()(), void ()()) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:4519 > #5 0x77250b in testing::internal::UnitTestImpl::AddTestInfo(void (*)(), > void ()(), testing::TestInfo) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest-internal-inl.h:661:5 > #6 0x771e64 in testing::internal::MakeAndRegisterTestInfo(char const*, > char const*, char const*, char const*, testing::internal::CodeLocation, void > const*, void ()(), void ()(), testing::internal::TestFactoryBase*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:2556:22 > #7 0x715f10 in > testing::internal::ParameterizedTestCaseInfo::RegisterTests() > /home/blitz/projects/llvm/utils/unittest/googletest/include/gtest/internal/gtest-param-util.h:586:11 > #8 0x7b8899 in > testing::internal::ParameterizedTestCaseRegistry::RegisterTests() > /home/blitz/projects/llvm/utils/unittest/googletest/include/gtest/internal/gtest-param-util.h:714:14 > #9 0x7b8899 in > testing::internal::UnitTestImpl::RegisterParameterizedTests() > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:2620 > #10 0x7b8899 in testing::internal::UnitTestImpl::PostFlagParsingInit() > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:4454 > #11 0x7b8899 in void testing::internal::InitGoogleTestImpl(int*, > char**) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:5356 > #12 0x73080b in main > /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/tests/msantestmain.cc:19:3 _> #13 0x7fd75b533222 in libcstartmain (/usr/lib/libc.so.6+0x24222) > > Uninitialized value was stored to memory at _> #0 0x470553 in msanmemcpy.part.350 > /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msaninterceptors.cc:1488:3 _> #1 0x7fd75baf9acf in std::_1::basicstring<char,_ _> std::_1::chartraits, std::1::allocator _>>::basicstring(std::1::basicstring<char, std::_1::chartraits, _> std::1::allocator > const&) (/usr/local/lib/libc++.so.1+0x92acf) > > Uninitialized value was stored to memory at _> #0 0x470553 in msanmemcpy.part.350 > /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msaninterceptors.cc:1488:3 _> #1 0x7718eb in std::1::chartraits::copy(char*, char const*, > unsigned long) _> /home/blitz/projects/llvm/projects/libcxx/include/string:225:50 _> #2 0x7718eb in std::1::basicstring<char,_ _std::_1::chartraits, _> std::_1::allocator >::init(char const*, unsigned long) > /home/blitz/projects/llvm/projects/libcxx/include/string:1779 _> #3 0x7718eb in std::1::basicstring<char,_ _std::_1::chartraits, _> std::1::allocator >::basicstringstd::nullptrt(char const*) > /home/blitz/projects/llvm/projects/libcxx/include/string:814 > #4 0x7718eb in testing::internal::MakeAndRegisterTestInfo(char const*, > char const*, char const*, char const*, testing::internal::CodeLocation, void > const*, void ()(), void ()(), testing::internal::TestFactoryBase*) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:2554 > #5 0x715f10 in > testing::internal::ParameterizedTestCaseInfo::RegisterTests() > /home/blitz/projects/llvm/utils/unittest/googletest/include/gtest/internal/gtest-param-util.h:586:11 > #6 0x7b8899 in > testing::internal::ParameterizedTestCaseRegistry::RegisterTests() > /home/blitz/projects/llvm/utils/unittest/googletest/include/gtest/internal/gtest-param-util.h:714:14 > #7 0x7b8899 in > testing::internal::UnitTestImpl::RegisterParameterizedTests() > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:2620 > #8 0x7b8899 in testing::internal::UnitTestImpl::PostFlagParsingInit() > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:4454 > #9 0x7b8899 in void testing::internal::InitGoogleTestImpl(int*, > char**) > /home/blitz/projects/llvm/utils/unittest/googletest/src/gtest.cc:5356 > #10 0x73080b in main > /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/tests/msantestmain.cc:19:3 _> #11 0x7fd75b533222 in libcstartmain (/usr/lib/libc.so.6+0x24222) > > Uninitialized value was created by a heap allocation _> #0 0x4709ec in interceptormalloc > /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msaninterceptors.cc:910:3 > #1 0x7fd75baf8b0b in operator new(unsigned long) > (/usr/local/lib/libc++.so.1+0x91b0b) > _> ________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev > -------------- next part -------------- An HTML attachment was scrubbed... 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