harfbuzz:hb-subset-fuzzer: Crash in OT::ClipBox::copy

Project: https://github.com/harfbuzz/harfbuzz.git Detailed Report: https://oss-fuzz.com/testcase?key=6315334756335616 Project: harfbuzz Fuzzing Engine: libFuzzer Fuzz Target: hb-subset-fuzzer Job Type: libfuzzerubsanharfbuzz Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x0000033308f...