libreoffice:ww6fuzzer: Bad-cast to SwClientSwDoc::ChgPageDesc in UpdatePageDescs

Project: git://anongit.freedesktop.org/libreoffice/core Detailed Report: https://oss-fuzz.com/testcase?key=5726306856730624 Project: libreoffice Fuzzing Engine: libFuzzer Fuzz Target: ww6fuzzer Job Type: libfuzzerubsanlibreoffice Platform Id: linux Crash Type: Bad-cast Crash Address: 0x0000171eae...