llvm:clang-fuzzer: Segv on unknown address in clang::Sema::DeclareImplicitCopyAssignment

2020-06-15T15:45:22
ID OSSFUZZ-23468
Type ossfuzz
Reporter Google
Modified 2020-06-15T15:45:22

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5957130015473664

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

Crash Type: Segv on unknown address Crash Address: Crash State: clang::Sema::DeclareImplicitCopyAssignment DeclareImplicitMemberFunctionsWithName LookupDirect

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=5957130015473664

Issue filed automatically.

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