libredwg:llvmfuzz: Crash in dxf_fixup_string

Project: https://github.com/LibreDWG/libredwg.git Detailed Report: https://oss-fuzz.com/testcase?key=5648878410792960 Project: libredwg Fuzzing Engine: libFuzzer Fuzz Target: llvmfuzz Job Type: libfuzzerasanlibredwg Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x000005ad1098 Crash...