dlplibs: Container-overflow in MarinerWrtText::readRulers

Detailed report: https://oss-fuzz.com/testcase?key=6008099066347520 Project: dlplibs Fuzzer: libFuzzerdlplibsmindwrtfuzzer Fuzz target binary: mindwrtfuzzer Job Type: libfuzzerasandlplibs Platform Id: linux Crash Type: Container-overflow READ 8 Crash Address: 0x7ff262f8aa40 Crash State:...