Crash in llvm::StringMapImpl::FindKey(llvm::StringRef, unsigned int) const

Similar reports
Problem #799896
Component
llvm
Last affected version
0:20.1.8-4.fc42
Executable
/usr/bin/clangd
Error name
SIGSEGV 11
First occurrence
2025-08-14
Last occurrence
2026-03-17
Unique reports
2
Quality
-58

Statistics

Operating system Unique / Total count
Fedora 42 2 / 2
Operating system Count
Fedora 42 2
Architecture Count
x86_64 2
Related packages Count
glibc 2
 0:2.41-12.fc42 1
 0:2.41-10.fc42 1
clang-tools-extra 2
 0:20.1.8-3.fc42 1
 0:20.1.8-4.fc42 1
libstdc++ 2
 0:15.1.1-2.fc42 1
 0:15.0.1-0.11.fc42 1
Show more… (2)
libxml2 2
 0:2.12.10-1.fc42 2
xz-libs 1
 1:5.8.1-2.fc42 1

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
llvm::StringMapImpl::FindKey(llvm::StringRef, unsigned int) const
/lib64/libLLVM.so.20.1 0x1b3d57
Build id: f3fb2b9a7bcf2a700cc484e8b7ae52ce30051cd4 		-
2
clang::Sema::inferGslPointerAttribute(clang::NamedDecl*, clang::CXXRecordDecl*)
/lib64/libclang-cpp.so.20.1 0xe789ee
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
3
clang::Sema::ActOnTypedefNameDecl(clang::Scope*, clang::DeclContext*, clang::TypedefNameDecl*, clang::LookupResult&, bool&)
/lib64/libclang-cpp.so.20.1 0xfea3f0
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
4
clang::Sema::ActOnAliasDeclaration(clang::Scope*, clang::AccessSpecifier, llvm::MutableArrayRef<clang::TemplateParameterList*>, clang::SourceLocation, clang::UnqualifiedId&, clang::ParsedAttributesView const&, clang::ActionResult<clang::OpaquePtr<clang::QualType>, false>, clang::Decl*)
/lib64/libclang-cpp.so.20.1 0x10935eb
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
5
clang::Parser::ParseAliasDeclarationAfterDeclarator(clang::Parser::ParsedTemplateInfo const&, clang::SourceLocation, clang::Parser::UsingDeclarator&, clang::SourceLocation&, clang::AccessSpecifier, clang::ParsedAttributes&, clang::Decl**)
/lib64/libclang-cpp.so.20.1 0x25417b
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
6
clang::Parser::ParseUsingDeclaration(clang::DeclaratorContext, clang::Parser::ParsedTemplateInfo const&, clang::SourceLocation, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier)
/lib64/libclang-cpp.so.20.1 0x2521e1
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
7
clang::Parser::ParseCXXClassMemberDeclaration(clang::AccessSpecifier, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::ParsingDeclRAIIObject*)
/lib64/libclang-cpp.so.20.1 0x25fd76
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
8
clang::Parser::ParseCXXClassMemberDeclarationWithPragmas(clang::AccessSpecifier&, clang::ParsedAttributes&, clang::TypeSpecifierType, clang::Decl*)
/lib64/libclang-cpp.so.20.1 0x26308f
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
9
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation, clang::SourceLocation, clang::ParsedAttributes&, unsigned int, clang::Decl*)
/lib64/libclang-cpp.so.20.1 0x25c5cc
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
10
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind, clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext, clang::ParsedAttributes&)
/lib64/libclang-cpp.so.20.1 0x259af9
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
11
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&, clang::Parser::ParsedTemplateInfo&, clang::AccessSpecifier, clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*, clang::ImplicitTypenameContext)
/lib64/libclang-cpp.so.20.1 0x231f28
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
12
clang::Parser::ParseDeclarationAfterTemplate(clang::DeclaratorContext, clang::Parser::ParsedTemplateInfo&, clang::ParsingDeclRAIIObject&, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier)
/lib64/libclang-cpp.so.20.1 0x2f88f6
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
13
clang::Parser::ParseTemplateDeclarationOrSpecialization(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier)
/lib64/libclang-cpp.so.20.1 0x2f7b21
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
14
clang::Parser::ParseDeclarationStartingWithTemplate(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&)
/lib64/libclang-cpp.so.20.1 0x2f72f5
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
15
clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::SourceLocation*)
/lib64/libclang-cpp.so.20.1 0x22aa3a
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
16
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*)
/lib64/libclang-cpp.so.20.1 0x30af11
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
17
clang::Parser::ParseInnerNamespace(llvm::SmallVector<clang::Parser::InnerNamespaceInfo, 4u> const&, unsigned int, clang::SourceLocation&, clang::ParsedAttributes&, clang::BalancedDelimiterTracker&)
/lib64/libclang-cpp.so.20.1 0x24fe1b
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
18
clang::Parser::ParseNamespace(clang::DeclaratorContext, clang::SourceLocation&, clang::SourceLocation)
/lib64/libclang-cpp.so.20.1 0x24f16e
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
19
clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::SourceLocation*)
/lib64/libclang-cpp.so.20.1 0x22ada7
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
20
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*)
/lib64/libclang-cpp.so.20.1 0x30af11
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
21
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&)
/lib64/libclang-cpp.so.20.1 0x309896
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
22
clang::ParseAST(clang::Sema&, bool, bool)
/lib64/libclang-cpp.so.20.1 0x212c9e
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
23
clang::FrontendAction::Execute()
/lib64/libclang-cpp.so.20.1 0x291907f
Build id: 2f01034d20e33585520217e1098ffa0dbfd62dfe 		-
24
clang::clangd::indexStandardLibrary(llvm::StringRef, std::unique_ptr<clang::CompilerInvocation, std::default_delete<clang::CompilerInvocation> >, clang::clangd::StdLibLocation const&, clang::clangd::ThreadsafeFS const&)
/usr/bin/clangd 0x4e33b8
Build id: c1b26fc5662d0d40bb0090499c836e493a953cb5 		-
25
clang::clangd::indexStandardLibrary(std::unique_ptr<clang::CompilerInvocation, std::default_delete<clang::CompilerInvocation> >, clang::clangd::StdLibLocation const&, clang::clangd::ThreadsafeFS const&)
/usr/bin/clangd 0x4e4794
Build id: c1b26fc5662d0d40bb0090499c836e493a953cb5 		-
26
clang::clangd::(anonymous namespace)::UpdateIndexCallbacks::indexStdlib(clang::CompilerInvocation const&, clang::clangd::StdLibLocation)::{lambda()#1}::operator()()
/usr/bin/clangd 0x1a9a2f
Build id: c1b26fc5662d0d40bb0090499c836e493a953cb5 		-
27
void* llvm::thread::ThreadProxy<std::tuple<clang::clangd::AsyncTaskRunner::runAsync(llvm::Twine const&, llvm::unique_function<void ()>)::$_1> >(void*) [clone .llvm.15482067781494792736]
/usr/bin/clangd 0x527115
Build id: c1b26fc5662d0d40bb0090499c836e493a953cb5 		-
28
start_thread
/lib64/libc.so.6 0x71154
Build id: 126a08bf502f4950b215dc773e52df8dcf50c393 		-
29
__clone3
/lib64/libc.so.6 0xf3cac
Build id: 126a08bf502f4950b215dc773e52df8dcf50c393 		-