Crash in clang::Lexer::SkipWhitespace(clang::Token&, char const*, bool&)

Similar reports
Problem #783352
Component
llvm
Last affected version
0:20.1.8-3.fc42
Executable
/usr/bin/clang-20
Error name
SIGSEGV 11
First occurrence
2025-07-27
Last occurrence
2025-08-23
Unique reports
2
Quality
-30

Statistics

Operating system Unique / Total count
Fedora 42 2 / 2
Operating system Count
Fedora 42 2
Architecture Count
x86_64 2
Related packages Count
clang-libs 2
 0:20.1.8-1.fc42 1
 0:20.1.8-3.fc42 1
glibc-devel 2
 0:2.41-8.fc42 1
 0:2.41-10.fc42 1
clang 2
 0:20.1.8-1.fc42 1
 0:20.1.8-3.fc42 1
Show more… (5)
glibc 2
 0:2.41-8.fc42 1
 0:2.41-10.fc42 1
libstdc++ 2
 0:15.1.1-2.fc42 1
 0:15.2.1-1.fc42 1
libxml2 2
 0:2.12.10-1.fc42 2
libzstd 2
 0:1.5.7-1.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.

History

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Backtrace

Frame # Function Binary Source or offset Line
1
clang::Lexer::SkipWhitespace(clang::Token&, char const*, bool&)
/lib64/libclang-cpp.so.20.1 0x192749
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
2
clang::Lexer::LexTokenInternal(clang::Token&, bool)
/lib64/libclang-cpp.so.20.1 0x196ced
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
3
clang::Preprocessor::Lex(clang::Token&)
/lib64/libclang-cpp.so.20.1 0x209cbd
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
4
clang::RewriteIncludesInInput(clang::Preprocessor&, llvm::raw_ostream*, clang::PreprocessorOutputOptions const&)
/lib64/libclang-cpp.so.20.1 0x274b31c
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
5
clang::RewriteIncludesAction::ExecuteAction()
/lib64/libclang-cpp.so.20.1 0x2748e82
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
6
clang::FrontendAction::Execute()
/lib64/libclang-cpp.so.20.1 0x291907f
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
7
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
/lib64/libclang-cpp.so.20.1 0x287b8f4
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
8
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
/lib64/libclang-cpp.so.20.1 0x29acb8e
Build id: 43814692ed21c5695e3560598909d7fbc65c7af6 		-
9
cc1_main(llvm::ArrayRef<char const*>, char const*, void*)
/usr/bin/clang-20 0xa695
Build id: ae33d816f46f4761e33d64ba06ab36c557863482 		-
10
ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&)
/usr/bin/clang-20 0x6727
Build id: ae33d816f46f4761e33d64ba06ab36c557863482 		-
11
clang_main(int, char**, llvm::ToolContext const&)
/usr/bin/clang-20 0x546f
Build id: ae33d816f46f4761e33d64ba06ab36c557863482 		-
12
main
/usr/bin/clang-20 0x159a8
Build id: ae33d816f46f4761e33d64ba06ab36c557863482 		-
13
__libc_start_call_main
/lib64/libc.so.6 0x35f5
Build id: c4b06a608071b2c9852fae62ca3b69cdc22cd022 		-
14
__libc_start_main@@GLIBC_2.34
/lib64/libc.so.6 0x36a8
Build id: c4b06a608071b2c9852fae62ca3b69cdc22cd022 		-
15
_start
/usr/bin/clang-20 0x3e05
Build id: ae33d816f46f4761e33d64ba06ab36c557863482 		-