[llvm-bugs] Issue 47859 in oss-fuzz: llvm:clang-fuzzer: Abrt in llvm::llvm_unreachable_internal

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Proj-llvm Reported-2022-06-07
Type: Bug

New issue 47859 by ClusterFuzz-External: llvm:clang-fuzzer: Abrt in llvm::llvm_unreachable_internal
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47859

Detailed Report: https://oss-fuzz.com/testcase?key=5017701967331328

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: clang-fuzzer
Job Type: libfuzzer_msan_llvm
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x0539001d3b73
Crash State:
  llvm::llvm_unreachable_internal
  CXXNameMangler::mangleExpression
  CXXNameMangler::mangleType
  
Sanitizer: memory (MSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=202006110252:202006121812

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5017701967331328

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
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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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