freetype2/type1: Heap-buffer-overflow in mm_weights_unmap

Detailed report: https://oss-fuzz.com/testcase?key=5650962751422464 Project: freetype2 Fuzzer: libFuzzerfreetype2type1 Fuzz target binary: type1 Job Type: libfuzzerasanfreetype2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 8 Crash Address: 0x615000046218 Crash State: mmweightsunmap...