flac:fuzzer_metadata: Crash with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=6124835096363008 Project: flac Fuzzing Engine: libFuzzer Fuzz Target: fuzzermetadata Job Type: libfuzzermsanflac Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x000100005c18 Crash State: NULL Sanitizer: memory MSAN Recommended Securi...