OSV-2020-2086 Bad-cast to QPaintDevice from invalid vptr

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26457 Crash type: Bad-cast Crash state: Bad-cast to QPaintDevice from invalid vptr QImage::operator= XCFImageFormat::readXCF...

kimageformats:kimgio_xcf_fuzzer: Bad-cast to QPaintDevice from invalid vptr in QImage::operator=

Project: git://anongit.kde.org/kimageformats Detailed Report: https://oss-fuzz.com/testcase?key=5086033223614464 Project: kimageformats Fuzzing Engine: libFuzzer Fuzz Target: kimgioxcffuzzer Job Type: libfuzzerubsankimageformats Platform Id: linux Crash Type: Bad-cast Crash Address: 0x7ffc0f769a7...