mupdf:pdf_fuzzer: Heap-buffer-overflow in make_weights

Project: git://git.ghostscript.com/mupdf.git Detailed Report: https://oss-fuzz.com/testcase?key=6478030852456448 Project: mupdf Fuzzing Engine: libFuzzer Fuzz Target: pdffuzzer Job Type: libfuzzerasanmupdf Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x62d000008f68...