[PATCH] D136601: [OpenMP] [OMPIRBuilder] Create a new datatype to hold the unique target region info

Wed Oct 26 13:19:30 PDT 2022

kda added a comment.

This may have broken HWASAN buildbot:
https://lab.llvm.org/buildbot/#/builders/236/builds/786

Running a build just before and after to check to validate guess based on stack.

log snippet:

  ==956880==ERROR: HWAddressSanitizer: tag-mismatch on address 0xffffc09c0031 at pc 0xaaaab749fd64
  READ of size 1 at 0xffffc09c0031 tags: c6/00 (ptr/mem) in thread T0
      #0 0xaaaab749fd64 in djbHash /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/Support/DJB.h:22:24
      #1 0xaaaab749fd64 in llvm::StringMapImpl::FindKey(llvm::StringRef) const /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/StringMap.cpp:142:28
      #2 0xaaaab6ab1128 in find /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/StringMap.h:225:18
      #3 0xaaaab6ab1128 in lookup /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/StringMap.h:234:25
      #4 0xaaaab6ab1128 in lookup /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/IR/ValueSymbolTable.h:78:17
      #5 0xaaaab6ab1128 in llvm::Module::getNamedValue(llvm::StringRef) const /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/IR/Module.cpp:111:58
      #6 0xaaaab7c47d2c in clang::CodeGen::CGOpenMPRuntime::createOffloadEntriesAndInfoMetadata() /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/CodeGen/CGOpenMPRuntime.cpp:3077:18
      #7 0xaaaab7946c3c in clang::CodeGen::CodeGenModule::Release() /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:537:20
      #8 0xaaaab86e223c in (anonymous namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/CodeGen/ModuleBuilder.cpp:286:18
      #9 0xaaaab86de0d4 in clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:306:14
      #10 0xaaaaba028aac in clang::ParseAST(clang::Sema&, bool, bool) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/Parse/ParseAST.cpp:196:13
      #11 0xaaaab86db730 in clang::CodeGenAction::ExecuteAction() /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:1144:30
      #12 0xaaaab85971c0 in clang::FrontendAction::Execute() /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1055:8
      #13 0xaaaab84ebd70 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1044:33
      #14 0xaaaab86d43d4 in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:266:25
      #15 0xaaaab42e5520 in cc1_main(llvm::ArrayRef<char const*>, char const*, void*) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/tools/driver/cc1_main.cpp:250:15
      #16 0xaaaab42e07f0 in ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/tools/driver/driver.cpp:316:12
      #17 0xaaaab42e01b8 in clang_main(int, char**) /b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/tools/driver/driver.cpp:388:12
      #18 0xffff8d6c73f8  (/lib/aarch64-linux-gnu/libc.so.6+0x273f8) (BuildId: f37f3aa07c797e333fd106472898d361f71798f5)
      #19 0xffff8d6c74c8 in __libc_start_main (/lib/aarch64-linux-gnu/libc.so.6+0x274c8) (BuildId: f37f3aa07c797e333fd106472898d361f71798f5)
      #20 0xaaaab42b5c6c in _start (/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang-16+0x5a85c6c)

Repository:
  rG LLVM Github Monorepo

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