1227460 – aarch64 clang segfaults on compiling hello world (or anything else)

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Bug 1227460 - aarch64 clang segfaults on compiling hello world (or anything else)

Summary: aarch64 clang segfaults on compiling hello world (or anything else)

Keywords:
Status:	CLOSED RAWHIDE
Alias:	None
Product:	Fedora
Classification:	Fedora
Component:	llvm
Sub Component:
Version:	rawhide
Hardware:	aarch64
OS:	Linux
Priority:	unspecified
Severity:	unspecified
Target Milestone:	---
Assignee:	Adam Jackson
QA Contact:	Fedora Extras Quality Assurance
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:	ARM64, F-ExcludeArch-aarch64
TreeView+	depends on / blocked

Reported:	2015-06-02 17:20 UTC by Leif Lindholm
Modified:	2016-01-19 11:35 UTC (History)
CC List:	7 users (show)
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed:	2016-01-19 11:35:07 UTC
Type:	Bug
Embargoed:
Dependent Products:

Attachments	(Terms of Use)
/tmp/hello-5c92b1.c (160.35 KB, text/plain) 2015-07-20 10:34 UTC, Marcin Juszkiewicz	no flags	Details
/tmp/hello-5c92b1.sh (652 bytes, text/plain) 2015-07-20 10:34 UTC, Marcin Juszkiewicz	no flags	Details
View All

Description Leif Lindholm 2015-06-02 17:20:55 UTC

Description of problem:
Trying to compile
---
#include <stdio.h>

int main(void)
{
	printf("Hello, world!\n");
	return 0;
}
---
fails with a segfault (dumped onto console) and a return value at the prompt of 254.

Version-Release number of selected component (if applicable):
clang version 3.5.0 (tags/RELEASE_350/final)

How reproducible:
100%

Steps to Reproduce:
1. clang -c hello.c
2.
3.

Actual results:
Segfault.

Expected results:
Functional hello world program generated.

Additional info:
AMD Seattle Overdrive B0 platform (otherwise fully functional - gcc works fine and can rebuild the kernel among other things).

Comment 1 Marcin Juszkiewicz 2015-07-20 10:33:17 UTC

$ clang -v /tmp/hello.c ;echo $?                                                                                                                      
clang version 3.6.1 (tags/RELEASE_361/final)
Target: aarch64-redhat-linux-gnu
Thread model: posix
Found candidate GCC installation: /bin/../lib/gcc/aarch64-redhat-linux/5.1.1
Found candidate GCC installation: /usr/lib/gcc/aarch64-redhat-linux/5.1.1
Selected GCC installation: /bin/../lib/gcc/aarch64-redhat-linux/5.1.1
Candidate multilib: .;@m64
Selected multilib: .;@m64
 "/usr/bin/clang" -cc1 -triple aarch64-redhat-linux-gnu -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name hello.c -mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu generic -target-feature +neon -target-abi aapcs -target-linker-version 2.25 -v -dwarf-column-info -resource-dir /usr/bin/../lib/clang/3.6.1 -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib/clang/3.6.1/include -internal-externc-isystem /usr/include -internal-externc-isystem /usr/lib/gcc/aarch64-redhat-linux/5.1.1/include -fdebug-compilation-dir /home/hrw/rpmbuild/fedora-packager/lv2-fabla -ferror-limit 19 -fmessage-length 187 -mstackrealign -fallow-half-arguments-and-returns -fno-signed-char -fobjc-runtime=gcc -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/hello-e9f3ec.o -x c /tmp/hello.c
clang -cc1 version 3.6.1 based upon LLVM 3.6.1 default target aarch64-redhat-linux-gnu
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/bin/../lib/clang/3.6.1/include
 /usr/include
 /usr/lib/gcc/aarch64-redhat-linux/5.1.1/include
End of search list.
#0 0x3ff986ec6c4 llvm::sys::PrintStackTrace(_IO_FILE*) (/usr/lib64/llvm/libLLVM-3.6.so+0x7ac6c4)
#1 0x3ff986eaeac (/usr/lib64/llvm/libLLVM-3.6.so+0x7aaeac)
#2 0x3ff99a50510 (linux-vdso.so.1+0x510)
#3 0x3ff98c5ef04 llvm::MachineInstr::addOperand(llvm::MachineFunction&, llvm::MachineOperand const&) (/usr/lib64/llvm/libLLVM-3.6.so+0xd1ef04)
#4 0x3ff98664b48 llvm::AArch64InstrInfo::storeRegToStackSlot(llvm::MachineBasicBlock&, llvm::MachineBasicBlock::bundle_iterator<llvm::MachineInstr, llvm::ilist_iterator<llvm::MachineInstr> >, unsigned int, bool, int, llvm::TargetRegisterClass const*, llvm::TargetRegisterInfo const*) const (/usr/lib64/llvm/libLLVM-3.6.so+0x724b48)
#5 0x3ff98cc2670 (/usr/lib64/llvm/libLLVM-3.6.so+0xd82670)
#6 0x3ff98cc32c8 (/usr/lib64/llvm/libLLVM-3.6.so+0xd832c8)
#7 0x3ff98cc61f8 (/usr/lib64/llvm/libLLVM-3.6.so+0xd861f8)
#8 0x3ff98cc6974 (/usr/lib64/llvm/libLLVM-3.6.so+0xd86974)
#9 0x3ff9890f54c llvm::FPPassManager::runOnFunction(llvm::Function&) (/usr/lib64/llvm/libLLVM-3.6.so+0x9cf54c)
#10 0x3ff9890f880 llvm::FPPassManager::runOnModule(llvm::Module&) (/usr/lib64/llvm/libLLVM-3.6.so+0x9cf880)
#11 0x3ff9890fb10 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/usr/lib64/llvm/libLLVM-3.6.so+0x9cfb10)
#12 0x2aad1537114 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_ostream*) (/usr/bin/clang+0x577114)
#13 0x2aad1527f40 (/usr/bin/clang+0x567f40)
#14 0x2aad16c35d8 clang::ParseAST(clang::Sema&, bool, bool) (/usr/bin/clang+0x7035d8)
#15 0x2aad152857c clang::CodeGenAction::ExecuteAction() (/usr/bin/clang+0x56857c)
#16 0x2aad13b7164 clang::FrontendAction::Execute() (/usr/bin/clang+0x3f7164)
#17 0x2aad1393490 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/usr/bin/clang+0x3d3490)
#18 0x2aad137d66c clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/usr/bin/clang+0x3bd66c)
#19 0x2aad1379020 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/usr/bin/clang+0x3b9020)
#20 0x2aad1377da8 main (/usr/bin/clang+0x3b7da8)
#21 0x3ff97a0fafc __libc_start_main (/lib64/libc.so.6+0x1fafc)
#22 0x2aad13785c4 _start (/usr/bin/clang+0x3b85c4)
Stack dump:
0.      Program arguments: /usr/bin/clang -cc1 -triple aarch64-redhat-linux-gnu -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name hello.c -mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu generic -target-feature +neon -target-abi aapcs -target-linker-version 2.25 -v -dwarf-column-info -resource-dir /usr/bin/../lib/clang/3.6.1 -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib/clang/3.6.1/include -internal-externc-isystem /usr/include -internal-externc-isystem /usr/lib/gcc/aarch64-redhat-linux/5.1.1/include -fdebug-compilation-dir /home/hrw/rpmbuild/fedora-packager/lv2-fabla -ferror-limit 19 -fmessage-length 187 -mstackrealign -fallow-half-arguments-and-returns -fno-signed-char -fobjc-runtime=gcc -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/hello-e9f3ec.o -x c /tmp/hello.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module '/tmp/hello.c'.
4.      Running pass 'Fast Register Allocator' on function '@main'
clang: error: unable to execute command: Segmentation fault (core dumped)
clang: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 3.6.1 (tags/RELEASE_361/final)
Target: aarch64-redhat-linux-gnu
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
clang: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /tmp/hello-5c92b1.c
clang: note: diagnostic msg: /tmp/hello-5c92b1.sh
clang: note: diagnostic msg: 

********************
254

Comment 2 Marcin Juszkiewicz 2015-07-20 10:34:21 UTC

Created attachment 1053820 [details]
/tmp/hello-5c92b1.c

Comment 3 Marcin Juszkiewicz 2015-07-20 10:34:48 UTC

Created attachment 1053821 [details]
/tmp/hello-5c92b1.sh

Comment 4 Marcin Juszkiewicz 2015-09-16 13:48:28 UTC

problem still present in rawhide

Comment 5 Marcin Juszkiewicz 2016-01-19 11:35:07 UTC

12:32 hrw@pinkiepie-rawhide:devel$ clang -v hello.c
clang version 3.7.0 (tags/RELEASE_370/final)
Target: aarch64-redhat-linux-gnu
Thread model: posix
Found candidate GCC installation: /bin/../lib/gcc/aarch64-redhat-linux/5.3.1
Found candidate GCC installation: /usr/lib/gcc/aarch64-redhat-linux/5.3.1
Selected GCC installation: /bin/../lib/gcc/aarch64-redhat-linux/5.3.1
Candidate multilib: .;@m64
Selected multilib: .;@m64
 "/usr/bin/clang" -cc1 -triple aarch64-redhat-linux-gnu -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name hello.c -mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu generic -target-feature +neon -target-abi aapcs -target-linker-version 2.25.1 -v -dwarf-column-info -resource-dir /usr/bin/../lib/clang/3.7.0 -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib/clang/3.7.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir /home/hrw/devel -ferror-limit 19 -fmessage-length 138 -mstackrealign -fallow-half-arguments-and-returns -fno-signed-char -fobjc-runtime=gcc -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/hello-4f4ec2.o -x c hello.c
clang -cc1 version 3.7.0 based upon LLVM 3.7.0 default target aarch64-redhat-linux-gnu
ignoring nonexistent directory "/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/bin/../lib/clang/3.7.0/include
 /usr/include
End of search list.
 "/bin/ld" --hash-style=gnu --no-add-needed --build-id --eh-frame-hdr -m aarch64linux -dynamic-linker /lib/ld-linux-aarch64.so.1 -o a.out /bin/../lib/gcc/aarch64-redhat-linux/5.3.1/../../../../lib64/crt1.o /bin/../lib/gcc/aarch64-redhat-linux/5.3.1/../../../../lib64/crti.o /bin/../lib/gcc/aarch64-redhat-linux/5.3.1/crtbegin.o -L/bin/../lib/gcc/aarch64-redhat-linux/5.3.1 -L/bin/../lib/gcc/aarch64-redhat-linux/5.3.1/../../../../lib64 -L/usr/bin/../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/bin/../lib/gcc/aarch64-redhat-linux/5.3.1/../../.. -L/usr/bin/../lib -L/lib -L/usr/lib /tmp/hello-4f4ec2.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /bin/../lib/gcc/aarch64-redhat-linux/5.3.1/crtend.o /bin/../lib/gcc/aarch64-redhat-linux/5.3.1/../../../../lib64/crtn.o
12:32 hrw@pinkiepie-rawhide:devel$ ./a.out 
hello world

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