OSV-2021-1319 Heap-buffer-overflow in geos::operation::valid::PolygonNode::isInteriorSegment

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38922 Crash type: Heap-buffer-overflow READ 8 Crash state: geos::operation::valid::PolygonNode::isInteriorSegment geos::operation::valid::PolygonTopologyAnalyzer::isSegmentInRing...