OSV-2021-1477 UNKNOWN WRITE in QtPrivate::QCommonArrayOps<QPainterPath::Element>::growAppend

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40161 Crash type: UNKNOWN WRITE Crash state: QtPrivate::QCommonArrayOps::growAppend QPainterPath::addPath QPathClipper::intersect...