[llvm-bugs] Issue 61169 in oss-fuzz: llvm:clang-objc-fuzzer: ASSERT: it != LocalDeclMap.end() && "Invalid argument to GetAddrOfLocalVar(), no decl!"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Sat Aug 5 02:22:03 PDT 2023


Status: New
Owner: ----
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Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Proj-llvm Reported-2023-08-05
Type: Bug

New issue 61169 by ClusterFuzz-External: llvm:clang-objc-fuzzer: ASSERT: it != LocalDeclMap.end() && "Invalid argument to GetAddrOfLocalVar(), no decl!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61169

Detailed Report: https://oss-fuzz.com/testcase?key=4835544759402496

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

Crash Type: ASSERT
Crash Address: 
Crash State:
  it != LocalDeclMap.end() && "Invalid argument to GetAddrOfLocalVar(), no decl!"
  clang::CodeGen::CodeGenFunction::generateObjCGetterBody
  clang::CodeGen::CodeGenFunction::GenerateObjCGetter
  
Sanitizer: memory (MSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=202209200608:202209220606

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4835544759402496

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
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