[llvm-bugs] Issue 22291 in oss-fuzz: llvm:llvm-isel-fuzzer--wasm32-O2: ASSERT: isSimple() && "Expected a SimpleValueType!"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Sat May 16 19:25:46 PDT 2020


Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Proj-llvm Reported-2020-05-17
Type: Bug

New issue 22291 by ClusterFuzz-External: llvm:llvm-isel-fuzzer--wasm32-O2: ASSERT: isSimple() && "Expected a SimpleValueType!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22291

Detailed Report: https://oss-fuzz.com/testcase?key=5715798980296704

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-isel-fuzzer--wasm32-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  isSimple() && "Expected a SimpleValueType!"
  llvm::WebAssemblyTargetLowering::isVectorLoadExtDesirable
  DAGCombiner::CombineExtLoad
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=202005150248:202005160246

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5715798980296704

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
When you fix this bug, please
  * mention the fix revision(s).
  * state whether the bug was a short-lived regression or an old bug in any stable releases.
  * add any other useful information.
This information can help downstream consumers.

If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues. Comments on individual Monorail issues are not monitored.

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