[llvm-dev] msan test failures
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::basic_string<char,
> > std::__1::char_traits<char>, std::__1::allocator<char> > 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<MemorySanitizerIpTest>::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<char>(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/msan_test_main.cc:19:3
> > #15 0x7fd75b533222 in __libc_start_main (/usr/lib/libc.so.6+0x24222)
> > #16 0x46740d in _start
> >
> (/home/blitz/projects/bllvm/projects/compiler-rt/lib/msan/tests/Msan-x86_64-with-call-Test+0x46740d)
> >
> > Uninitialized value was stored to memory at
> > #0 0x470553 in __msan_memcpy.part.350
> >
> /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msan_interceptors.cc:1488:3
> > #1 0x7aadab in std::__1::char_traits<char>::copy(char*, char const*,
> > unsigned long)
> > /home/blitz/projects/llvm/projects/libcxx/include/__string:225:50
> > #2 0x7aadab in std::__1::basic_string<char,
> std::__1::char_traits<char>,
> > std::__1::allocator<char> >::__init(char const*, unsigned long)
> > /home/blitz/projects/llvm/projects/libcxx/include/string:1779
> > #3 0x7aadab in std::__1::basic_string<char,
> std::__1::char_traits<char>,
> > std::__1::allocator<char> >::basic_string<std::nullptr_t>(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<MemorySanitizerIpTest>::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<char>(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/msan_test_main.cc:19:3
> > #13 0x7fd75b533222 in __libc_start_main (/usr/lib/libc.so.6+0x24222)
> >
> > Uninitialized value was stored to memory at
> > #0 0x470553 in __msan_memcpy.part.350
> >
> /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msan_interceptors.cc:1488:3
> > #1 0x7fd75baf9acf in std::__1::basic_string<char,
> > std::__1::char_traits<char>, std::__1::allocator<char>
> >>::basic_string(std::__1::basic_string<char, std::__1::char_traits<char>,
> > std::__1::allocator<char> > const&) (/usr/local/lib/libc++.so.1+0x92acf)
> >
> > Uninitialized value was stored to memory at
> > #0 0x470553 in __msan_memcpy.part.350
> >
> /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msan_interceptors.cc:1488:3
> > #1 0x7718eb in std::__1::char_traits<char>::copy(char*, char const*,
> > unsigned long)
> > /home/blitz/projects/llvm/projects/libcxx/include/__string:225:50
> > #2 0x7718eb in std::__1::basic_string<char,
> std::__1::char_traits<char>,
> > std::__1::allocator<char> >::__init(char const*, unsigned long)
> > /home/blitz/projects/llvm/projects/libcxx/include/string:1779
> > #3 0x7718eb in std::__1::basic_string<char,
> std::__1::char_traits<char>,
> > std::__1::allocator<char> >::basic_string<std::nullptr_t>(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<MemorySanitizerIpTest>::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<char>(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/msan_test_main.cc:19:3
> > #11 0x7fd75b533222 in __libc_start_main (/usr/lib/libc.so.6+0x24222)
> >
> > Uninitialized value was created by a heap allocation
> > #0 0x4709ec in __interceptor_malloc
> >
> /home/blitz/projects/llvm/projects/compiler-rt/lib/msan/msan_interceptors.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
> >
>
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