| Issue |
183511
|
| Summary |
[MLIR] Crash in testNoSkipErasureCallbacks when accessing parent region during walk
|
| Labels |
mlir
|
| Assignees |
|
| Reporter |
jiayiw2008
|
Version: bded7e9e49e5cc4cbb73c54ac7b113a006f0534c
Hi, I encountered a crash in MLIR when processing an "empty" input file. Please see the minimal input program below.
```llvm
//
```
#### Stack Trace
```bash
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
Stack dump:
0. Program arguments: mlir-opt input.mlir --test-ir-visitors --convert-gpu-to-nvvm
#0 0x00005f38fe0a84e6 ___interceptor_backtrace /home/zhanghuaien/llvm/llvm-project-7dbfc2/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:4556:13
#1 0x00005f38fe18ce74 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /llvm/lib/Support/Unix/Signals.inc:884:8
#2 0x00005f38fe18e30c llvm::sys::RunSignalHandlers() /llvm/lib/Support/Signals.cpp:109:18
#3 0x00005f38fe18e30c SignalHandler(int, siginfo_t*, void*) /llvm/lib/Support/Unix/Signals.inc:431:3
#4 0x00007c512cc45330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
#5 0x00007c512cc9eb2c __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
#6 0x00007c512cc9eb2c __pthread_kill_internal ./nptl/pthread_kill.c:78:10
#7 0x00007c512cc9eb2c pthread_kill ./nptl/pthread_kill.c:89:10
#8 0x00007c512cc4527e raise ./signal/../sysdeps/posix/raise.c:27:6
#9 0x00007c512cc288ff abort ./stdlib/abort.c:81:7
#10 0x00007c512cc2881b _nl_load_domain ./intl/loadmsgcat.c:1177:9
#11 0x00007c512cc3b517 (/lib/x86_64-linux-gnu/libc.so.6+0x3b517)
#12 0x00005f38fe3721bd llvm::ilist_iterator<llvm::ilist_detail::node_options<mlir::Operation, true, false, void, false, void>, false, false>::operator*() const /llvm/include/llvm/ADT/ilist_iterator.h:168:5
#13 0x00005f38ff39a33d mlir::Operation::getParentRegion() /mlir/include/mlir/IR/Operation.h:230:38
#14 0x00005f38ff39a33d testNoSkipErasureCallbacks(mlir::Operation*)::$_1::operator()(mlir::Block*) const /mlir/test/lib/IR/TestVisitors.cpp:195:50
#15 0x00005f38ff39a33d void llvm::function_ref<void (mlir::Block*)>::callback_fn<testNoSkipErasureCallbacks(mlir::Operation*)::$_1>(long, mlir::Block*) /llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#16 0x00005f38fe41251f llvm::early_inc_iterator_impl<llvm::ilist_iterator<llvm::ilist_detail::node_options<mlir::Block, true, false, void, false, void>, false, false>>::operator++() /llvm/include/llvm/ADT/STLExtras.h:605:12
#17 0x00005f38fe41251f void mlir::detail::walk<mlir::ForwardIterator>(mlir::Operation*, llvm::function_ref<void (mlir::Block*)>, mlir::WalkOrder) /mlir/include/mlir/IR/Visitors.h:123:22
#18 0x00005f38ff395b6e testNoSkipErasureCallbacks(mlir::Operation*) /mlir/test/lib/IR/TestVisitors.cpp:222:11
#19 0x00005f38ff395b6e (anonymous namespace)::TestIRVisitorsPass::runOnOperation() /mlir/test/lib/IR/TestVisitors.cpp:292:5
#20 0x00005f3911f52c23 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int)::$_3::operator()() const /mlir/lib/Pass/Pass.cpp:613:24
#21 0x00005f3911f52c23 void llvm::function_ref<void ()>::callback_fn<mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int)::$_3>(long) /llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#22 0x00005f3911f4293e mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) /llvm/include/llvm/ADT/STLFunctionalExtras.h:0:12
#23 0x00005f3911f446e6 llvm::LogicalResult::failed() const /llvm/include/llvm/Support/LogicalResult.h:43:43
#24 0x00005f3911f446e6 llvm::failed(llvm::LogicalResult) /llvm/include/llvm/Support/LogicalResult.h:71:58
#25 0x00005f3911f446e6 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) /mlir/lib/Pass/Pass.cpp:688:9
#26 0x00005f3911f50244 mlir::PassManager::runPasses(mlir::Operation*, mlir::AnalysisManager) /mlir/lib/Pass/Pass.cpp:1123:10
#27 0x00005f3911f4f2c4 mlir::PassManager::run(mlir::Operation*) /mlir/lib/Pass/Pass.cpp:1097:0
#28 0x00005f38fe355ef6 llvm::LogicalResult::failed() const /llvm/include/llvm/Support/LogicalResult.h:43:43
#29 0x00005f38fe355ef6 llvm::failed(llvm::LogicalResult) /llvm/include/llvm/Support/LogicalResult.h:71:58
#30 0x00005f38fe355ef6 performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) /mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:591:7
#31 0x00005f38fe354756 processBuffer(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::MemoryBufferRef, mlir::MlirOptMainConfig const&, mlir::DialectRegistry&, mlir::SourceMgrDiagnosticVerifierHandler*, llvm::ThreadPoolInterface*) /mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:673:12
#32 0x00005f38fe354756 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_0::operator()(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::MemoryBufferRef, llvm::raw_ostream&) const /mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:771:12
#33 0x00005f38fe354756 llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_0>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::MemoryBufferRef const&, llvm::raw_ostream&) /llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#34 0x00005f39126e6dfa llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>::operator()(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::MemoryBufferRef const&, llvm::raw_ostream&) const /llvm/include/llvm/ADT/STLFunctionalExtras.h:69:12
#35 0x00005f39126e6dfa mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef) /mlir/lib/Support/ToolUtilities.cpp:30:12
#36 0x00005f38fe34eb60 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) /mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:776:26
#37 0x00005f38fe34f528 mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) /mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:822:14
#38 0x00005f38fe34fd03 mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) /mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:838:10
#39 0x00005f38fe148987 main /mlir/tools/mlir-opt/mlir-opt.cpp:347:33
#40 0x00007c512cc2a1ca __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:74:3
#41 0x00007c512cc2a28b call_init ./csu/../csu/libc-start.c:128:20
#42 0x00007c512cc2a28b __libc_start_main ./csu/../csu/libc-start.c:347:5
#43 0x00005f38fe05ecd5 _start (/mnt/raid/build_all/bin/mlir-opt+0x7a53cd5)
Aborted
```
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