mupdf:pdf_fuzzer: Segv on unknown address in pdf_drop_obj

Project: git://git.ghostscript.com/mupdf.git Detailed Report: https://oss-fuzz.com/testcase?key=6353530199080960 Project: mupdf Fuzzing Engine: libFuzzer Fuzz Target: pdffuzzer Job Type: libfuzzerasanmupdf Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: pdfdropo...