mupdf/pdf_fuzzer: Heap-use-after-free in pdf_copy_pattern_gstate

Project: git://git.ghostscript.com/mupdf.git Detailed report: https://oss-fuzz.com/testcase?key=4837555372556288 Project: mupdf Fuzzer: aflmupdfpdffuzzer Fuzz target binary: pdffuzzer Job Type: aflasanmupdf Platform Id: linux Crash Type: Heap-use-after-free READ Crash Address: 0x62d000050b38 Cras...