[llvm-bugs] [Bug 50851] New: ICE: Assertion `isAligned(MFI.getObjectAlign(FI), -(Offset + StackSize))' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Jun 24 16:14:18 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50851
Bug ID: 50851
Summary: ICE: Assertion `isAligned(MFI.getObjectAlign(FI),
-(Offset + StackSize))' failed.
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C
Assignee: unassignedclangbugs at nondot.org
Reporter: cnsun at uwaterloo.ca
CC: blitzrakete at gmail.com, dgregor at apple.com,
erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
richard-llvm at metafoo.co.uk
$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
24d48d45cc302a6abeab139d87ba87f7a2335323)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$ cat mutant.c
typedef int aligned __attribute__((aligned(64)));
typedef unsigned uword_t __attribute__((mode(__word__)));
__attribute__((interrupt)) void foo(void *, uword_t) {
aligned j;
check_int(&j);
}
$ clang-trunk -O0 mutant.c
mutant.c:3:43: warning: omitting the parameter name in a function definition is
a C2x extension [-Wc2x-extensions]
__attribute__((interrupt)) void foo(void *, uword_t) {
^
mutant.c:3:52: warning: omitting the parameter name in a function definition is
a C2x extension [-Wc2x-extensions]
__attribute__((interrupt)) void foo(void *, uword_t) {
^
mutant.c:5:3: warning: implicit declaration of function 'check_int' is invalid
in C99 [-Wimplicit-function-declaration]
check_int(&j);
^
mutant.c:5:3: warning: interrupt service routine should only call a function
with attribute 'no_caller_saved_registers' [-Winterrupt-service-routine]
mutant.c:5:3: note: 'check_int' declared here
clang-13:
/tmp/tmp.nPuVKAIgXI-clang-builder/llvm-project/llvm/lib/Target/X86/X86FrameLowering.cpp:2280:
virtual llvm::StackOffset llvm::X86FrameLowering::getFrameIndexReference(const
llvm::MachineFunction&, int, llvm::Register&) const: Assertion
`isAligned(MFI.getObjectAlign(FI), -(Offset + StackSize))' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /scratch/software/clang-trunk/bin/clang-13 -cc1
-triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations
-disable-free -main-file-name mutant.c -mrelocation-model static
-mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb
-fcoverage-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210623_051902_0092/delta/perses_result
-resource-dir /scratch/software/clang-trunk/lib/clang/13.0.0 -c-isystem .
-c-isystem /usr/local/include/cmsith -internal-isystem
/scratch/software/clang-trunk/lib/clang/13.0.0/include -internal-isystem
/usr/local/include -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O0
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210623_051902_0092/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-c5653b.o -x c mutant.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'mutant.c'.
4. Running pass 'Prologue/Epilogue Insertion & Frame Finalization' on
function '@foo'
#0 0x000055cca9a13274 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x000055cca9a10a2e SignalHandler(int) Signals.cpp:0:0
#2 0x00007ff91d37b3c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007ff91ce1a18b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007ff91cdf9859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007ff91cdf9729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007ff91cdf9729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007ff91ce0af36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x000055cca84e715e
llvm::X86FrameLowering::getFrameIndexReference(llvm::MachineFunction const&,
int, llvm::Register&) const
(/scratch/software/clang-trunk/bin/clang-13+0x242415e)
#9 0x000055cca8451573
llvm::X86RegisterInfo::eliminateFrameIndex(llvm::MachineInstrBundleIterator<llvm::MachineInstr,
false>, int, unsigned int, llvm::RegScavenger*) const
(/scratch/software/clang-trunk/bin/clang-13+0x238e573)
#10 0x000055cca8d50b09 (anonymous
namespace)::PEI::replaceFrameIndices(llvm::MachineBasicBlock*,
llvm::MachineFunction&, int&) (.isra.0) PrologEpilogInserter.cpp:0:0
#11 0x000055cca8d58a6c (anonymous
namespace)::PEI::runOnMachineFunction(llvm::MachineFunction&)
PrologEpilogInserter.cpp:0:0
#12 0x000055cca8c33d98
llvm::MachineFunctionPass::runOnFunction(llvm::Function&)
(/scratch/software/clang-trunk/bin/clang-13+0x2b70d98)
#13 0x000055cca910b0c5 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/scratch/software/clang-trunk/bin/clang-13+0x30480c5)
#14 0x000055cca910b309 llvm::FPPassManager::runOnModule(llvm::Module&)
(/scratch/software/clang-trunk/bin/clang-13+0x3048309)
#15 0x000055cca910c402 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/scratch/software/clang-trunk/bin/clang-13+0x3049402)
#16 0x000055cca9d453c2 (anonymous
namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >) BackendUtil.cpp:0:0
#17 0x000055cca9d46e7d clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::HeaderSearchOptions const&, clang::CodeGenOptions const&,
clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef,
llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
(/scratch/software/clang-trunk/bin/clang-13+0x3c83e7d)
#18 0x000055ccaab7144f
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/scratch/software/clang-trunk/bin/clang-13+0x4aae44f)
#19 0x000055ccabc28e49 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b65e49)
#20 0x000055ccaab6ff98 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aacf98)
#21 0x000055ccaa41ee79 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435be79)
#22 0x000055ccaa3b20c6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ef0c6)
#23 0x000055ccaa4fcd00
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4439d00)
#24 0x000055cca7323b06 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1260b06)
#25 0x000055cca731fe48 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#26 0x000055cca724d0c6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118a0c6)
#27 0x00007ff91cdfb0b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#28 0x000055cca731f9be _start
(/scratch/software/clang-trunk/bin/clang-13+0x125c9be)
clang-13: error: unable to execute command: Aborted (core dumped)
clang-13: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
24d48d45cc302a6abeab139d87ba87f7a2335323)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
clang-13: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/mutant-1cb2d0.c
clang-13: note: diagnostic msg: /tmp/mutant-1cb2d0.sh
clang-13: note: diagnostic msg:
********************
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