harfbuzz:hb-shape-fuzzer: Crash in OT::avar::map_coords

Project: https://github.com/harfbuzz/harfbuzz.git Detailed Report: https://oss-fuzz.com/testcase?key=4523349576908800 Project: harfbuzz Fuzzing Engine: libFuzzer Fuzz Target: hb-shape-fuzzer Job Type: libfuzzerasanharfbuzz Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x603000030132...