Crash in clang::ASTReader::get(llvm::StringRef)

Similar reports
Problem #571448
Component
clang
Last affected version
0:18.1.8-2.fc40
Executable
/usr/bin/clangd
Error name
SIGSEGV 11
First occurrence
2026-04-28
Last occurrence
2026-04-29
Unique reports
1
Quality
-42

Statistics

Operating system Unique / Total count
Fedora 40 1 / 3
Operating system Count
Fedora 40 3
Architecture Count
x86_64 3
Related packages Count
clang-tools-extra 3
 0:18.1.8-2.fc40 3

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
clang::ASTReader::get(llvm::StringRef)
/lib64/libclang-cpp.so.18.1 0x25757d4
Build id: b2b06e5ce5b37bf80a71b8815134654d2e235ab7 		-
2
clang::Preprocessor::isMacroDefined(llvm::StringRef)
/usr/bin/clangd 0x7a1665
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
3
clang::tidy::bugprone::NotNullTerminatedResultCheck::check(clang::ast_matchers::MatchFinder::MatchResult const&)
/usr/bin/clangd 0x7a0756
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
4
clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::MatchVisitor::visitMatch(clang::ast_matchers::BoundNodes const&)
/usr/bin/clangd 0xa0b222
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
5
clang::ast_matchers::internal::BoundNodesTreeBuilder::visitMatches(clang::ast_matchers::internal::BoundNodesTreeBuilder::Visitor*)
/usr/bin/clangd 0xa4056c
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
6
clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::matchWithFilter(clang::DynTypedNode const&)
/usr/bin/clangd 0xa0aa63
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
7
clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseCompoundStmt(clang::CompoundStmt*, llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool, llvm::PointerLikeTypeTraits<clang::Stmt*>, llvm::PointerIntPairInfo<clang::Stmt*, 1u, llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*)
/usr/bin/clangd 0xa37129
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
8
clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseStmt(clang::Stmt*, llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool, llvm::PointerLikeTypeTraits<clang::Stmt*>, llvm::PointerIntPairInfo<clang::Stmt*, 1u, llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*)
/usr/bin/clangd 0xa1bdcd
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
9
clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseFunctionHelper(clang::FunctionDecl*)
/usr/bin/clangd 0xa3f499
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
10
clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseCXXMethodDecl(clang::CXXMethodDecl*)
/usr/bin/clangd 0xa0fca3
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
11
clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::TraverseDecl(clang::Decl*)
/usr/bin/clangd 0xa0ce9e
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
12
clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseTranslationUnitDecl(clang::TranslationUnitDecl*)
/usr/bin/clangd 0xa0d158
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
13
clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::TraverseDecl(clang::Decl*)
/usr/bin/clangd 0xa0c8c3
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
14
clang::ast_matchers::MatchFinder::matchAST(clang::ASTContext&)
/usr/bin/clangd 0x9d77fa
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
15
clang::clangd::ParsedAST::build(llvm::StringRef, clang::clangd::ParseInputs const&, std::unique_ptr<clang::CompilerInvocation, std::default_delete<clang::CompilerInvocation> >, llvm::ArrayRef<clang::clangd::Diag>, std::shared_ptr<clang::clangd::PreambleData const>)
/usr/bin/clangd 0x48f2c7
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
16
void llvm::detail::UniqueFunctionBase<void>::CallImpl<clang::clangd::(anonymous namespace)::ASTWorker::runWithAST(llvm::StringRef, llvm::unique_function<void (llvm::Expected<clang::clangd::InputsAndAST>)>, clang::clangd::TUScheduler::ASTActionInvalidation)::$_0>(void*)
/usr/bin/clangd 0x52ab28
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
17
clang::clangd::(anonymous namespace)::ASTWorker::runTask(llvm::StringRef, llvm::function_ref<void ()>)
/usr/bin/clangd 0x5223fe
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
18
void llvm::detail::UniqueFunctionBase<void>::CallImpl<clang::clangd::(anonymous namespace)::ASTWorker::create(llvm::StringRef, clang::clangd::GlobalCompilationDatabase const&, clang::clangd::TUScheduler::ASTCache&, clang::clangd::TUScheduler::HeaderIncluderCache&, clang::clangd::AsyncTaskRunner*, clang::clangd::Semaphore&, clang::clangd::TUScheduler::Options const&, clang::clangd::ParsingCallbacks&)::$_0>(void*)
/usr/bin/clangd 0x521da3
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
19
void* llvm::thread::ThreadProxy<std::tuple<clang::clangd::AsyncTaskRunner::runAsync(llvm::Twine const&, llvm::unique_function<void ()>)::$_1> >(void*)
/usr/bin/clangd 0x684c57
Build id: 3e6323751f4f92126ad09298809425d2da817de2 		-
20
start_thread
/lib64/libc.so.6 0x98088
Build id: fc3b3c4da3283cd44c006682a30b9df3242de053 		-
21
__clone3
/lib64/libc.so.6 0x11bf8c
Build id: fc3b3c4da3283cd44c006682a30b9df3242de053 		-