Crash in clang::clangd::(anonymous namespace)::scanPreamble(llvm::StringRef, clang::tooling::CompileCommand const&)

Similar reports
Problem #715945
Component
llvm
Last affected version
0:20.1.8-4.fc42
Executable
/usr/bin/clangd
Error name
SIGSEGV 11
First occurrence
2025-10-13
Last occurrence
2026-01-01
Unique reports
3
Quality
-20

Statistics

Operating system Unique / Total count
Fedora 42 3 / 11
Operating system Count
Fedora 42 11
Architecture Count
x86_64 11
Related packages Count
clang-tools-extra 11
 0:20.1.8-4.fc42 11
glibc 10
 0:2.41-11.fc42 10
libxml2 10
 0:2.12.10-1.fc42 10
Show more… (3)
libzstd 9
 0:1.5.7-1.fc42 9
xz-libs 1
 1:5.8.1-2.fc42 1
libstdc++ 1
 0:15.2.1-4.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
clang::clangd::(anonymous namespace)::scanPreamble(llvm::StringRef, clang::tooling::CompileCommand const&)
/usr/bin/clangd 0x3169f9
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
2
clang::clangd::PreamblePatch::create(llvm::StringRef, clang::clangd::ParseInputs const&, clang::clangd::PreambleData const&, clang::clangd::PreamblePatch::PatchType)
/usr/bin/clangd 0x314088
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
3
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 0x302c64
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
4
clang::clangd::(anonymous namespace)::ASTWorker::generateDiagnostics(std::unique_ptr<clang::CompilerInvocation, std::default_delete<clang::CompilerInvocation> >, clang::clangd::ParseInputs, std::vector<clang::clangd::Diag, std::allocator<clang::clangd::Diag> >)
/usr/bin/clangd 0x3b18f3
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
5
void llvm::detail::UniqueFunctionBase<void>::CallImpl<clang::clangd::(anonymous namespace)::ASTWorker::update(clang::clangd::ParseInputs, clang::clangd::WantDiagnostics, bool)::$_0>(void*)
/usr/bin/clangd 0x3b5bb8
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
6
clang::clangd::(anonymous namespace)::ASTWorker::runTask(llvm::StringRef, llvm::function_ref<void ()>)
/usr/bin/clangd 0x3ace67
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
7
void llvm::detail::UniqueFunctionBase<void>::CallImpl<clang::clangd::(anonymous namespace)::ASTWorker::create(llvm::StringRef, clang::clangd::GlobalCompilationDatabase const&, clang::clangd::TUScheduler::ASTCache&, clang::clangd::TUScheduler::HeaderIncluderCache&, clang::clangd::AsyncTaskRunner*, clang::clangd::Semaphore&, clang::clangd::TUScheduler::Options const&, clang::clangd::ParsingCallbacks&)::$_0>(void*)
/usr/bin/clangd 0x3aaa3a
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
8
void* llvm::thread::ThreadProxy<std::tuple<clang::clangd::AsyncTaskRunner::runAsync(llvm::Twine const&, llvm::unique_function<void ()>)::$_1> >(void*) [clone .llvm.7633507556885729804]
/usr/bin/clangd 0x527115
Build id: 7ac6322a16fb862fbd324bedc16d2be5c952201e
-
9
start_thread
/lib64/libc.so.6 0x71f54
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317
-
10
__clone3
/lib64/libc.so.6 0xf532c
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317
-