llvm:clang-fuzzer: Segv on unknown address in llvm::llvm_unreachable_internal

Type ossfuzz
Reporter Google
Modified 2020-08-19T14:40:22


Detailed Report: https://oss-fuzz.com/testcase?key=5639537548328960

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: llvm::llvm_unreachable_internal clang::Sema::ActOnComment ActionCommentHandler::HandleComment

Sanitizer: memory (MSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=201911200438:201911230451

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5639537548328960

Issue filed automatically.

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