libredwg:llvmfuzz: Crash in dwg_ref_object

Project: https://github.com/LibreDWG/libredwg.git Detailed Report: https://oss-fuzz.com/testcase?key=4789903063056384 Project: libredwg Fuzzing Engine: libFuzzer Fuzz Target: llvmfuzz Job Type: libfuzzerubsanlibredwg Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0xfffffc59e901b689...