[PATCH] D123300: [Clang] Enable opaque pointers by default

Vitaly Buka via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Apr 11 12:42:22 PDT 2022 

vitalybuka added a comment.

https://lab.llvm.org/buildbot/#/builders/74/builds/10288/steps/14/logs/stdio

  FAILED: tools/clang/lib/Tooling/ASTNodeAPI.json 
  cd /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/lib/Tooling && /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/clang-ast-dump --skip-processing=0 -I /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/lib/clang/15.0.0/include -I /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/include -I /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/include -I /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/include -I /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include -I /usr/include --json-output-path /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/tools/clang/lib/Tooling/ASTNodeAPI.json
  ==28753==WARNING: MemorySanitizer: use-of-uninitialized-value
      #0 0x5633f83f12d7 in llvm::sys::path::const_iterator::operator++() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Path.cpp:243:3
      #1 0x5633fd56090a in __distance<llvm::sys::path::const_iterator> /b/sanitizer-x86_64-linux-bootstrap-msan/build/libcxx_build_msan_track_origins/include/c++/v1/__iterator/distance.h:34:31
      #2 0x5633fd56090a in distance<llvm::sys::path::const_iterator> /b/sanitizer-x86_64-linux-bootstrap-msan/build/libcxx_build_msan_track_origins/include/c++/v1/__iterator/distance.h:52:12
      #3 0x5633fd56090a in void llvm::SmallVectorImpl<llvm::StringRef>::append<llvm::sys::path::const_iterator, void>(llvm::sys::path::const_iterator, llvm::sys::path::const_iterator) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:669:27
      #4 0x5633fd542d4a in SmallVector<llvm::sys::path::const_iterator, void> /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:1202:11
      #5 0x5633fd542d4a in clang::Preprocessor::HandleHeaderIncludeOrImport(clang::SourceLocation, clang::Token&, clang::Token&, clang::SourceLocation, clang::detail::SearchDirIteratorImpl<true>, clang::FileEntry const*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/PPDirectives.cpp:2230:32
      #6 0x5633fd525cd5 in clang::Preprocessor::HandleIncludeDirective(clang::SourceLocation, clang::Token&, clang::detail::SearchDirIteratorImpl<true>, clang::FileEntry const*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/PPDirectives.cpp:1843:17
      #7 0x5633fd5283df in clang::Preprocessor::HandleDirective(clang::Token&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/PPDirectives.cpp:1106:14
      #8 0x5633fd46e9cf in clang::Lexer::LexTokenInternal(clang::Token&, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/Lexer.cpp:4091:7
      #9 0x5633fd46698b in clang::Lexer::Lex(clang::Token&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/Lexer.cpp:3307:24
      #10 0x5633fd6384d1 in clang::Preprocessor::Lex(clang::Token&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/Preprocessor.cpp:898:33
      #11 0x5633fa9114d8 in ConsumeToken /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Parse/Parser.h:490:8
      #12 0x5633fa9114d8 in clang::Parser::Initialize() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/Parser.cpp:565:3
      #13 0x5633fa8fb313 in clang::ParseAST(clang::Sema&, bool, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseAST.cpp:155:7
      #14 0x5633f8193fd5 in ASTSrcLocGenerationAction::ExecuteAction() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp:49:31
      #15 0x5633fa11770f in clang::FrontendAction::Execute() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1032:8
      #16 0x5633f9ea7cb2 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1036:33
      #17 0x5633f81905b3 in main /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp:150:12
      #18 0x7fcd163b909a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) (BuildId: eb6a5dd378d22b1e695984462a799cd4c81cdc22)
      #19 0x5633f80e0ef9 in _start (/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/clang-ast-dump+0xc7aef9)
    Uninitialized value was stored to memory at
      #0 0x5633f810bfea in __msan_memcpy.part.426 /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1605:3
      #1 0x5633fd5608dd in operator!= /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/iterator.h:181:51
      #2 0x5633fd5608dd in __distance<llvm::sys::path::const_iterator> /b/sanitizer-x86_64-linux-bootstrap-msan/build/libcxx_build_msan_track_origins/include/c++/v1/__iterator/distance.h:34:20
      #3 0x5633fd5608dd in distance<llvm::sys::path::const_iterator> /b/sanitizer-x86_64-linux-bootstrap-msan/build/libcxx_build_msan_track_origins/include/c++/v1/__iterator/distance.h:52:12
      #4 0x5633fd5608dd in void llvm::SmallVectorImpl<llvm::StringRef>::append<llvm::sys::path::const_iterator, void>(llvm::sys::path::const_iterator, llvm::sys::path::const_iterator) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:669:27
      #5 0x5633fd542d4a in SmallVector<llvm::sys::path::const_iterator, void> /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:1202:11
      #6 0x5633fd542d4a in clang::Preprocessor::HandleHeaderIncludeOrImport(clang::SourceLocation, clang::Token&, clang::Token&, clang::SourceLocation, clang::detail::SearchDirIteratorImpl<true>, clang::FileEntry const*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/PPDirectives.cpp:2230:32
      #7 0x5633fd525cd5 in clang::Preprocessor::HandleIncludeDirective(clang::SourceLocation, clang::Token&, clang::detail::SearchDirIteratorImpl<true>, clang::FileEntry const*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/PPDirectives.cpp:1843:17
      #8 0x5633fd5283df in clang::Preprocessor::HandleDirective(clang::Token&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/PPDirectives.cpp:1106:14
      #9 0x5633fd46e9cf in clang::Lexer::LexTokenInternal(clang::Token&, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/Lexer.cpp:4091:7
      #10 0x5633fd46698b in clang::Lexer::Lex(clang::Token&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/Lexer.cpp:3307:24
      #11 0x5633fd6384d1 in clang::Preprocessor::Lex(clang::Token&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/Preprocessor.cpp:898:33
      #12 0x5633fa9114d8 in ConsumeToken /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Parse/Parser.h:490:8
      #13 0x5633fa9114d8 in clang::Parser::Initialize() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/Parser.cpp:565:3
      #14 0x5633fa8fb313 in clang::ParseAST(clang::Sema&, bool, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseAST.cpp:155:7
      #15 0x5633f8193fd5 in ASTSrcLocGenerationAction::ExecuteAction() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp:49:31
      #16 0x5633fa11770f in clang::FrontendAction::Execute() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1032:8
      #17 0x5633f9ea7cb2 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1036:33
      #18 0x5633f81905b3 in main /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp:150:12
      #19 0x7fcd163b909a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) (BuildId: eb6a5dd378d22b1e695984462a799cd4c81cdc22)
    Memory was marked as uninitialized
      #0 0x5633f8135f3b in __sanitizer_dtor_callback /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:940:5
      #1 0x5633f8363a10 in ~SmallVector /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:1190:3
      #2 0x5633f8363a10 in (anonymous namespace)::RealFileSystem::status(llvm::Twine const&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/VirtualFileSystem.cpp:313:1
      #3 0x5633f8336b6f in llvm::vfs::OverlayFileSystem::status(llvm::Twine const&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/VirtualFileSystem.cpp:433:36
      #4 0x5633f959f0c4 in clang::FileSystemStatCache::get(llvm::StringRef, llvm::vfs::Status&, bool, std::__1::unique_ptr<llvm::vfs::File, std::__1::default_delete<llvm::vfs::File> >*, clang::FileSystemStatCache*, llvm::vfs::FileSystem&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/FileSystemStatCache.cpp:47:55
      #5 0x5633f958b840 in clang::FileManager::getStatValue(llvm::StringRef, llvm::vfs::Status&, bool, std::__1::unique_ptr<llvm::vfs::File, std::__1::default_delete<llvm::vfs::File> >*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/FileManager.cpp:576:12
      #6 0x5633f958d2b4 in clang::FileManager::getFileRef(llvm::StringRef, bool, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/FileManager.cpp:256:20
      #7 0x5633f958c404 in clang::FileManager::getFile(llvm::StringRef, bool, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/FileManager.cpp:198:17
      #8 0x5633fd43a57d in (anonymous namespace)::InitHeaderSearch::AddUnmappedPath(llvm::Twine const&, clang::frontend::IncludeDirGroup, bool, llvm::Optional<unsigned int>) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/InitHeaderSearch.cpp:177:22
      #9 0x5633fd431ec9 in clang::ApplyHeaderSearchOptions(clang::HeaderSearch&, clang::HeaderSearchOptions const&, clang::LangOptions const&, llvm::Triple const&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Lex/InitHeaderSearch.cpp:665:12
      #10 0x5633f9e933cd in clang::CompilerInstance::createPreprocessor(clang::TranslationUnitKind) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:484:3
      #11 0x5633fa109b5e in clang::FrontendAction::BeginSourceFile(clang::CompilerInstance&, clang::FrontendInputFile const&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:794:8
      #12 0x5633f9ea7c59 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1035:13
      #13 0x5633f81905b3 in main /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Tooling/DumpTool/ClangSrcLocDump.cpp:150:12
      #14 0x7fcd163b909a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) (BuildId: eb6a5dd378d22b1e695984462a799cd4c81cdc22)
  SUMMARY: MemorySanitizer: use-of-uninitialized-value /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Path.cpp:243:3 in llvm::sys::path::const_iterator::operator++()
  Exiting


Repository:
  rG LLVM Github Monorepo

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