The code in WebPageProxy::getPlugInInformation has a null check to guard against plugInProcessProxy being null, but rather than returning it then continues on and dereferences plugInProcessProxy anyway.
Created attachment 203654 [details] Patch v1
<rdar://problem/14058552>
Comment on attachment 203654 [details] Patch v1 Clearing flags on attachment: 203654 Committed r151172: <http://trac.webkit.org/changeset/151172>
All reviewed patches have been landed. Closing bug.