libreoffice: Container-overflow in HMemIODev::read1b

Project: git://anongit.freedesktop.org/libreoffice/core Detailed report: https://oss-fuzz.com/testcase?key=4968259134685184 Project: libreoffice Fuzzer: libFuzzerlibreofficehwpfuzzer Fuzz target binary: hwpfuzzer Job Type: libfuzzerasanlibreoffice Platform Id: linux Crash Type: Container-overflow...