Date: Fri, 08 May 2026 16:10:48 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 295101] LLVM crash in 16-CURRENT Message-ID: <bug-295101-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295101 Bug ID: 295101 Summary: LLVM crash in 16-CURRENT Product: Base System Version: 16.0-CURRENT Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: cy@FreeBSD.org While building net/openvswitch in poudriere the following LLVM crash occurred. epbase=`echo lib/vconn.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`;\ /bin/sh ./libtool --tag=CC --mode=compile cc -DHAVE_CONFIG_H -I. -I ./include -I ./include -I ./lib -I ./lib -I/usr/include -Wstrict-prototypes -Wall -Wextra -Wno-sign-compare -Wpointer-arith -Wformat -Wformat-security -Wswitch-enum -Wunused-parameter -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers -Wthread-safety -fno-strict-aliasing -Wswitch-bool -Wlogical-not-parentheses -Wsizeof-array-argument -Wshift-negative-value -Qunused-arguments -Wshadow -Wno-null-pointer-arithmetic -Warray-bounds-pointer-arithmetic -O2 -pipe -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -Wno-deprecated-literal-operator -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -fstack-protector-strong -fno-strict-aliasing -mno-avx512f -MT lib/vconn.lo -MD -MP -MF $depbase.Tpo -c -o lib/vconn.lo lib/vconn.c &&\ mv -f $depbase.Tpo $depbase.Plo depbase=`echo lib/vlan-bitmap.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`;\ /bin/sh ./libtool --tag=CC --mode=compile cc -DHAVE_CONFIG_H -I. -I ./include -I ./include -I ./lib -I ./lib -I/usr/include -Wstrict-prototypes -Wall -Wextra -Wno-sign-compare -Wpointer-arith -Wformat -Wformat-security -Wswitch-enum -Wunused-parameter -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers -Wthread-safety -fno-strict-aliasing -Wswitch-bool -Wlogical-not-parentheses -Wsizeof-array-argument -Wshift-negative-value -Qunused-arguments -Wshadow -Wno-null-pointer-arithmetic -Warray-bounds-pointer-arithmetic -O2 -pipe -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -Wno-deprecated-literal-operator -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -fstack-protector-strong -fno-strict-aliasing -mno-avx512f -MT lib/vlan-bitmap.lo -MD -MP -MF $depbase.Tpo -c -o lib/vlan-bitmap.lo lib/vlan-bitmap.c &&\ mv -f $depbase.Tpo $depbase.Plo libtool: compile: cc -DHAVE_CONFIG_H -I. -I ./include -I ./include -I ./lib -I ./lib -I/usr/include -Wstrict-prototypes -Wall -Wextra -Wno-sign-compare -Wpointer-arith -Wformat -Wformat-security -Wswitch-enum -Wunused-parameter -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers -Wthread-safety -fno-strict-aliasing -Wswitch-bool -Wlogical-not-parentheses -Wsizeof-array-argument -Wshift-negative-value -Qunused-arguments -Wshadow -Wno-null-pointer-arithmetic -Warray-bounds-pointer-arithmetic -O2 -pipe -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -Wno-deprecated-literal-operator -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -fstack-protector-strong -fno-strict-aliasing -mno-avx512f -MT lib/vconn.lo -MD -MP -MF lib/.deps/vconn.Tpo -c lib/vconn.c -fPIC -DPIC -o lib/.libs/vconn.o libtool: compile: cc -DHAVE_CONFIG_H -I. -I ./include -I ./include -I ./lib -I ./lib -I/usr/include -Wstrict-prototypes -Wall -Wextra -Wno-sign-compare -Wpointer-arith -Wformat -Wformat-security -Wswitch-enum -Wunused-parameter -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers -Wthread-safety -fno-strict-aliasing -Wswitch-bool -Wlogical-not-parentheses -Wsizeof-array-argument -Wshift-negative-value -Qunused-arguments -Wshadow -Wno-null-pointer-arithmetic -Warray-bounds-pointer-arithmetic -O2 -pipe -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -Wno-deprecated-literal-operator -Wno-misleading-indentation -Wno-tautological-overlap-compare -Wno-unused-but-set-variable -fstack-protector-strong -fno-strict-aliasing -mno-avx512f -MT lib/vlan-bitmap.lo -MD -MP -MF lib/.deps/vlan-bitmap.Tpo -c lib/vlan-bitmap.c -fPIC -DPIC -o lib/.libs/vlan-bitmap.o #0 0x000035f0a2783b06 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /opt/src/git-src/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:0:13 #1 0x000035f0a2781543 llvm::sys::RunSignalHandlers() /opt/src/git-src/contrib/llvm-project/llvm/lib/Support/Signals.cpp:105:18 #2 0x000035f0a27255a2 HandleCrash /opt/src/git-src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:73:5 #3 0x000035f0a27255a2 CrashRecoverySignalHandler /opt/src/git-src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:390:51 #4 0x000035f0a6d6893c handle_signal /opt/src/git-src/lib/libthr/thread/thr_sig.c:0:3 #5 0x000035f0a6d67f5b thr_sighandler /opt/src/git-src/lib/libthr/thread/thr_sig.c:262:1 #6 0x000035f097d972d3 ([vdso]+0x2d3) #7 0x000035f0aa451d8a _thr_kill /export/obj/opt/src/git-src/amd64.amd64/lib/libsys/thr_kill.S:4:0 #8 0x000035f0a8a76a54 raise /opt/src/git-src/lib/libc/gen/raise.c:0:10 #9 0x000035f0a8b28769 abort /opt/src/git-src/lib/libc/stdlib/abort.c:67:17 #10 0x000035f0a8a59591 (/lib/libc.so.7+0xa2591) #11 0x000035f09ccb64e6 handleNoMutexHeld /opt/src/git-src/contrib/llvm-project/clang/lib/Sema/AnalysisBasedWarnings.cpp:0:5 #12 0x000035f09bf76664 hasAttrs /opt/src/git-src/contrib/llvm-project/clang/include/clang/AST/DeclBase.h:521:34 #13 0x000035f09bf76664 attr_begin /opt/src/git-src/contrib/llvm-project/clang/include/clang/AST/DeclBase.h:543:12 #14 0x000035f09bf76664 specific_attr_begin<clang::GuardedByAttr> /opt/src/git-src/contrib/llvm-project/clang/include/clang/AST/DeclBase.h:568:38 #15 0x000035f09bf76664 specific_attrs<clang::GuardedByAttr> /opt/src/git-src/contrib/llvm-project/clang/include/clang/AST/DeclBase.h:563:29 #16 0x000035f09bf76664 checkAccess /opt/src/git-src/contrib/llvm-project/clang/lib/Analysis/ThreadSafety.cpp:1775:27 #17 0x000035f09bf77976 examineArguments /opt/src/git-src/contrib/llvm-project/clang/lib/Analysis/ThreadSafety.cpp:2150:35 #18 0x000035f09bf7594b getCallee /opt/src/git-src/contrib/llvm-project/clang/include/clang/AST/Expr.h:3023:53 #19 0x000035f09bf7594b getCalleeDecl /opt/src/git-src/contrib/llvm-project/clang/include/clang/AST/Expr.h:3054:12 #20 0x000035f09bf7594b VisitCallExpr /opt/src/git-src/contrib/llvm-project/clang/lib/Analysis/ThreadSafety.cpp:2223:46 #21 0x000035f09bf6837b Visit /export/obj/opt/src/git-src/amd64.amd64/lib/clang/libclang/clang/AST/StmtNodes.inc:1622:1 #22 0x000035f09bf6837b runAnalysis /opt/src/git-src/contrib/llvm-project/clang/lib/Analysis/ThreadSafety.cpp:2655:26 #23 0x000035f09bf645ee operator() /export/obj/opt/src/git-src/amd64.amd64/tmp/usr/include/c++/v1/__vector/vector.h:250:18 #24 0x000035f09bf645ee ~vector /export/obj/opt/src/git-src/amd64.amd64/tmp/usr/include/c++/v1/__vector/vector.h:262:67 #25 0x000035f09bf645ee ~ThreadSafetyAnalyzer /opt/src/git-src/contrib/llvm-project/clang/lib/Analysis/ThreadSafety.cpp:1082:7 #26 0x000035f09bf645ee clang::threadSafety::runThreadSafetyAnalysis(clang::AnalysisDeclContext&, clang::threadSafety::ThreadSafetyHandler&, clang::threadSafety::BeforeSet**) /opt/src/git-src/contrib/llvm-project/clang/lib/Analysis/ThreadSafety.cpp:2743:1 #27 0x000035f09ccaa7d6 emitDiagnostics /opt/src/git-src/contrib/llvm-project/clang/lib/Sema/AnalysisBasedWarnings.cpp:1997:44 #28 0x000035f09ccaa7d6 clang::sema::AnalysisBasedWarnings::IssueWarnings(clang::sema::AnalysisBasedWarnings::Policy, clang::sema::FunctionScopeInfo*, clang::Decl const*, clang::QualType) /opt/src/git-src/contrib/llvm-project/clang/lib/Sema/AnalysisBasedWarnings.cpp:2982:14 #29 0x000035f09cd4f5e4 clang::Sema::PopFunctionScopeInfo(clang::sema::AnalysisBasedWarnings::Policy const*, clang::Decl const*, clang::QualType) /opt/src/git-src/contrib/llvm-project/clang/lib/Sema/Sema.cpp:2458:3 #30 0x000035f09ced892f reset /export/obj/opt/src/git-src/amd64.amd64/tmp/usr/include/c++/v1/__memory/unique_ptr.h:287:21 #31 0x000035f09ced892f ~unique_ptr /export/obj/opt/src/git-src/amd64.amd64/tmp/usr/include/c++/v1/__memory/unique_ptr.h:259:71 #32 0x000035f09ced892f clang::Sema::ActOnFinishFunctionBody(clang::Decl*, clang::Stmt*, bool) /opt/src/git-src/contrib/llvm-project/clang/lib/Sema/SemaDecl.cpp:16687:3 #33 0x000035f09cc8555c clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/ParseStmt.cpp:2402:18 #34 0x000035f09cc9f843 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/Parser.cpp:0:0 #35 0x000035f09cbca5bc clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/ParseDecl.cpp:2266:18 #36 0x000035f09cc9e9bf clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/Parser.cpp:0:10 #37 0x000035f09cc9e1a5 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/Parser.cpp:1209:12 #38 0x000035f09cc9d10a clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/Parser.cpp:0:14 #39 0x000035f09cc9b8a5 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/Parser.cpp:745:10 #40 0x000035f09cbb4a4e clang::ParseAST(clang::Sema&, bool, bool) /opt/src/git-src/contrib/llvm-project/clang/lib/Parse/ParseAST.cpp:169:5 #41 0x000035f09ca1fe48 clang::FrontendAction::Execute() /opt/src/git-src/contrib/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1225:10 #42 0x000035f09c9a08cd getPtr /opt/src/git-src/contrib/llvm-project/llvm/include/llvm/Support/Error.h:278:42 #43 0x000035f09c9a08cd operator bool /opt/src/git-src/contrib/llvm-project/llvm/include/llvm/Support/Error.h:241:16 #44 0x000035f09c9a08cd clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /opt/src/git-src/contrib/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1055:23 #45 0x000035f09cac02a5 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /opt/src/git-src/contrib/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:299:25 #46 0x000035f04a317224 cc1_main /opt/src/git-src/contrib/llvm-project/clang/tools/driver/cc1_main.cpp:297:15 #47 0x000035f04a3250a5 ExecuteCC1Tool /opt/src/git-src/contrib/llvm-project/clang/tools/driver/driver.cpp:225:12 #48 0x000035f09c66198e operator() /opt/src/git-src/contrib/llvm-project/clang/lib/Driver/Job.cpp:436:30 #49 0x000035f09c66198e callback_fn<(lambda at /opt/src/git-src/contrib/llvm-project/clang/lib/Driver/Job.cpp:436:22)> /opt/src/git-src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12 #50 0x000035f0a27251fc operator() /opt/src/git-src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:0:12 #51 0x000035f0a27251fc llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) /opt/src/git-src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:426:3 #52 0x000035f09c660f0a clang::driver::CC1Command::Execute(llvm::ArrayRef<std::__1::optional<llvm::StringRef>>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>*, bool*) const /opt/src/git-src/contrib/llvm-project/clang/lib/Driver/Job.cpp:436:7 #53 0x000035f09c620844 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const /opt/src/git-src/contrib/llvm-project/clang/lib/Driver/Compilation.cpp:196:15 #54 0x000035f09c620acc clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::__1::pair<int, clang::driver::Command const*>>&, bool) const /opt/src/git-src/contrib/llvm-project/clang/lib/Driver/Compilation.cpp:251:13 #55 0x000035f09c640186 empty /opt/src/git-src/contrib/llvm-project/llvm/include/llvm/ADT/SmallVector.h:82:46 #56 0x000035f09c640186 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::__1::pair<int, clang::driver::Command const*>>&) /opt/src/git-src/contrib/llvm-project/clang/lib/Driver/Driver.cpp:2246:23 #57 0x000035f04a32476c clang_main /opt/src/git-src/contrib/llvm-project/clang/tools/driver/driver.cpp:406:21 #58 0x000035f04a322e22 main /opt/src/git-src/usr.bin/clang/clang/clang-driver.cpp:17:10 #59 0x000035f0a8a4b3cf __libc_start1 /opt/src/git-src/lib/libc/csu/libc_start1.c:180:2 cc: error: clang frontend command failed with exit code 134 (use -v to see invocation) FreeBSD clang version 21.1.8 (https://github.com/llvm/llvm-project.git llvmorg-21.1.8-0-g2078da43e25a) Target: x86_64-unknown-freebsd16.0 Thread model: posix InstalledDir: /usr/bin Build config: +assertions cc: note: diagnostic msg: ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: cc: note: diagnostic msg: /tmp/timeval-6a9c40.c cc: note: diagnostic msg: /tmp/timeval-6a9c40.sh cc: note: diagnostic msg: -- You are receiving 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