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Assertion `!D->isInvalidDecl() && "Cannot get lay out of invalid decl!"' failed. #43704

Open Quuxplusone opened 4 years ago

Quuxplusone commented 4 years ago
Bugzilla Link PR44734
Status NEW
Importance P normal
Reported by Yongheng Chen (changochen1@gmail.com)
Reported on 2020-01-31 10:29:41 -0800
Last modified on 2020-01-31 10:31:23 -0800
Version trunk
Hardware PC All
CC htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
Fixed by commit(s)
Attachments
Blocks
Blocked by
See also 
Preprocessed code:
---
# 1 "<built-in>"
# 1 "test1.c"
struct {
  struct {
    union {
      struct a {};
    };
  };
} b(struct {struct a{} c} d) {
}
---

Run script:(just run with clang -x c -o poc poc.c)
---
# Crash reproducer for clang version 11.0.0 (https://github.com/llvm/llvm-
project.git 56b7f595d2b402ff177ca42214325c8fdea10fb0)
# Driver args: "-x" "c" "test1.c" "-o" "test"
# Original command:  "/home/rxz226/llvm-project/bld_instru/bin/clang-11" "-cc1"
"-triple" "x86_64-unknown-linux-gnu" "-emit-obj" "-mrelax-all" "-disable-free"
"-main-file-name" "test1.c" "-mrelocation-model" "static" "-mthread-model"
"posix" "-mframe-pointer=all" "-fmath-errno" "-fno-rounding-math" "-masm-
verbose" "-mconstructor-aliases" "-munwind-tables" "-target-cpu" "x86-64" "-
dwarf-column-info" "-fno-split-dwarf-inlining" "-debugger-tuning=gdb" "-
resource-dir" "/home/rxz226/llvm-project/bld_instru/lib/clang/11.0.0" "-
internal-isystem" "/usr/local/include" "-internal-isystem" "/home/rxz226/llvm-
project/bld_instru/lib/clang/11.0.0/include" "-internal-externc-isystem"
"/usr/include/x86_64-linux-gnu" "-internal-externc-isystem" "/include" "-
internal-externc-isystem" "/usr/include" "-fdebug-compilation-dir"
"/home/rxz226/fuzz_clang1/hangs/test" "-ferror-limit" "19" "-fmessage-length"
"0" "-fgnuc-version=4.2.1" "-fobjc-runtime=gcc" "-fdiagnostics-show-option" "-
fcolor-diagnostics" "-faddrsig" "-o" "/tmp/test1-c120b3.o" "-x" "c" "test1.c"
 "/home/rxz226/llvm-project/bld_instru/bin/clang-11" "-cc1" "-triple" "x86_64-unknown-linux-gnu" "-emit-obj" "-mrelax-all" "-disable-free" "-main-file-name" "test1.c" "-mrelocation-model" "static" "-mthread-model" "posix" "-mframe-pointer=all" "-fmath-errno" "-fno-rounding-math" "-masm-verbose" "-mconstructor-aliases" "-munwind-tables" "-target-cpu" "x86-64" "-dwarf-column-info" "-fno-split-dwarf-inlining" "-debugger-tuning=gdb" "-ferror-limit" "19" "-fmessage-length" "0" "-fgnuc-version=4.2.1" "-fobjc-runtime=gcc" "-fdiagnostics-show-option" "-fcolor-diagnostics" "-faddrsig" "-x" "c" "test1-dbae46.c"
---

Stack dump:
---
 #0 0x000000000681faf6 llvm::sys::PrintStackTrace(llvm::raw_ostream&) /home/rxz226/llvm-project/llvm/lib/Support/Unix/Signals.inc:560:7
 #1 0x000000000681ac5e llvm::sys::RunSignalHandlers() /home/rxz226/llvm-project/llvm/lib/Support/Signals.cpp:69:18
 #2 0x000000000681dd30 llvm::sys::CleanupOnSignal(unsigned long) /home/rxz226/llvm-project/llvm/lib/Support/Unix/Signals.inc:361:3
 #3 0x000000000662a5aa (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) /home/rxz226/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:80:5
 #4 0x000000000662a9e6 /home/rxz226/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:361:51
 #5 0x00007efd917a8390 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x11390)
 #6 0x00007efd90312428 raise /build/glibc-LK5gWL/glibc-2.23/signal/../sysdeps/unix/sysv/linux/raise.c:54:0
 #7 0x00007efd9031402a abort /build/glibc-LK5gWL/glibc-2.23/stdlib/abort.c:91:0
 #8 0x00007efd9030abd7 __assert_fail_base /build/glibc-LK5gWL/glibc-2.23/assert/assert.c:92:0
 #9 0x00007efd9030ac82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82)
#10 0x000000000e925341 clang::ASTContext::getASTRecordLayout(clang::RecordDecl
const*) const /home/rxz226/llvm-
project/clang/lib/AST/RecordLayoutBuilder.cpp:3035:3
#11 0x000000000744f814 (anonymous
namespace)::X86_64ABIInfo::classify(clang::QualType, unsigned long, (anonymous
namespace)::X86_64ABIInfo::Class&, (anonymous
namespace)::X86_64ABIInfo::Class&, bool) const /home/rxz226/llvm-pro$
ect/clang/lib/CodeGen/TargetInfo.cpp:2825:50
#12 0x000000000744c913 (anonymous
namespace)::X86_64ABIInfo::classifyArgumentType(clang::QualType, unsigned int,
unsigned int&, unsigned int&, bool) const /home/rxz226/llvm-
project/clang/lib/CodeGen/TargetInfo.cpp:3451:3
#13 0x0000000007448a9b (anonymous
namespace)::X86_64ABIInfo::computeInfo(clang::CodeGen::CGFunctionInfo&) const
/home/rxz226/llvm-project/clang/lib/CodeGen/TargetInfo.cpp:3687:16
#14 0x00000000075e0723
clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo(clang::CanQual<clang::Type>,
bool, bool, llvm::ArrayRef<clang::CanQual<clang::Type> >,
clang::FunctionType::ExtInfo, llvm::ArrayRef<clang::FunctionTyp$
::ExtParameterInfo>, clang::CodeGen::RequiredArgs) /home/rxz226/llvm-
project/clang/lib/CodeGen/CGCall.cpp:782:29
#15 0x00000000075e13db arrangeLLVMFunctionInfo(clang::CodeGen::CodeGenTypes&,
bool, llvm::SmallVectorImpl<clang::CanQual<clang::Type> >&,
clang::CanQual<clang::FunctionProtoType>) /home/rxz226/llvm-
project/clang/lib/CodeGen/CGC$
ll.cpp:185:14
#16 0x00000000075e4aac
clang::CodeGen::CodeGenTypes::arrangeFreeFunctionType(clang::CanQual<clang::FunctionProtoType>)
/home/rxz226/llvm-project/clang/lib/CodeGen/CGCall.cpp:196:10
#17 0x00000000075e4aac
clang::CodeGen::CodeGenTypes::arrangeFunctionDeclaration(clang::FunctionDecl
const*) /home/rxz226/llvm-project/clang/lib/CodeGen/CGCall.cpp:452:0
#18 0x00000000075e7299
clang::CodeGen::CodeGenTypes::arrangeGlobalDeclaration(clang::GlobalDecl)
/home/rxz226/llvm-project/clang/lib/CodeGen/CGCall.cpp:0:10
#19 0x00000000071425e5 clang::CodeGen::CodeGenModule::getTypes()
/home/rxz226/llvm-project/clang/lib/CodeGen/CodeGenModule.h:0:0
#20 0x00000000071425e5
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*) /home/rxz226/llvm-
project/clang/lib/CodeGen/CodeGenModule.cpp:4449:0
#21 0x000000000712b445
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) /home/rxz226/llvm-
project/clang/lib/CodeGen/CodeGenModule.cpp:2867:3
#22 0x0000000007135f70
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) /home/rxz226/llvm-
project/clang/lib/CodeGen/CodeGenModule.cpp:2569:5
#23 0x000000000714ae49
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) /home/rxz226/llvm-
project/clang/lib/CodeGen/CodeGenModule.cpp:5284:5
#24 0x000000000912bac6 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
/home/rxz226/llvm-project/clang/lib/CodeGen/ModuleBuilder.cpp:169:35
#25 0x0000000009122725
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef)
/home/rxz226/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:216:11
#26 0x000000000bbabb2d clang::ParseAST(clang::Sema&, bool, bool)
/home/rxz226/llvm-project/clang/lib/Parse/ParseAST.cpp:162:31
#27 0x0000000007dff26a clang::ASTFrontendAction::ExecuteAction()
/home/rxz226/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1045:1
#28 0x000000000911b260 clang::CodeGenAction::ExecuteAction() /home/rxz226/llvm-
project/clang/lib/CodeGen/CodeGenAction.cpp:1176:28
#29 0x0000000007dfd6b9 clang::FrontendAction::Execute() /home/rxz226/llvm-
project/clang/lib/Frontend/FrontendAction.cpp:940:10
#30 0x0000000007d39f27 llvm::Error::operator bool() /home/rxz226/llvm-
project/llvm/include/llvm/Support/Error.h:0:0
#31 0x0000000007d39f27
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
/home/rxz226/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:965:0
#32 0x00000000080c5534 clang::CompilerInstance::getFrontendOpts()
/home/rxz226/llvm-project/clang/include/clang/Frontend/CompilerInstance.h:0:0
#33 0x00000000080c5534
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /home/rxz226/llvm-
project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:291:0
#34 0x0000000000a7ac38 llvm::TimeTraceScope::~TimeTraceScope()
/home/rxz226/llvm-project/llvm/include/llvm/Support/TimeProfiler.h:0:0
#35 0x0000000000a7ac38 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) /home/rxz226/llvm-project/clang/tools/driver/cc1_main.cpp:240:0
#36 0x0000000000a6c1fb ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
/home/rxz226/llvm-project/clang/tools/driver/driver.cpp:328:12
....
---
Quuxplusone commented 4 years ago

The bug is found by Yongheng Chen and Rui Zhong