Created attachment 228761 [details] Crash file attached Description: Every so often when i interact with images and close the One Up view out i m seeing Safari crash. (Rarely less than 10%) Steps To Reproduce: Launch https://pictures.lytro.com Select an Image Navigate to next image (User is moved to image 101) Tab "x" button to close One Up view - crash happening when closing a OneUp model (click the X button, not pressing ESC). Observe Results: Safari crashes Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x00007fff92c24c36 WebCore::AutoscrollController::stopAutoscrollTimer(bool) + 134 1 com.apple.WebCore 0x00007fff92de2db6 WebCore::EventHandler::handleMouseReleaseEvent(WebCore::MouseEventWithHitTestResults const&) + 54 2 com.apple.WebCore 0x00007fff92dda734 WebCore::EventHandler::handleMouseReleaseEvent(WebCore::PlatformMouseEvent const&) + 1460 3 com.apple.WebCore 0x00007fff930494cd WebCore::EventHandler::passMouseReleaseEventToSubframe(WebCore::MouseEventWithHitTestResults&, WebCore::Frame*) + 77 4 com.apple.WebCore 0x00007fff92dda565 WebCore::EventHandler::handleMouseReleaseEvent(WebCore::PlatformMouseEvent const&) + 997 5 com.apple.WebKit2 0x00007fff87495a53 WebKit::handleMouseEvent(WebKit::WebMouseEvent const&, WebKit::WebPage*, bool) + 104 6 com.apple.WebKit2 0x00007fff874959af WebKit::WebPage::mouseEvent(WebKit::WebMouseEvent const&) + 221 7 com.apple.WebKit2 0x00007fff8749576c void CoreIPC::handleMessage<Messages::WebPage::MouseEvent, WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebMouseEvent const&)>(CoreIPC::MessageDecoder&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebMouseEvent const&)) + 83 8 com.apple.WebKit2 0x00007fff87463e14 WebKit::WebPage::didReceiveWebPageMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 1248 9 com.apple.WebKit2 0x00007fff8744da6b CoreIPC::MessageReceiverMap::dispatchMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 125 10 com.apple.WebKit2 0x00007fff8744d950 WebKit::WebProcess::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 28 11 com.apple.WebKit2 0x00007fff8744d8b9 CoreIPC::Connection::dispatchMessage(WTF::PassOwnPtr<CoreIPC::MessageDecoder>) + 101 12 com.apple.WebKit2 0x00007fff8744d7e2 CoreIPC::Connection::dispatchOneMessage() + 106 13 com.apple.WebCore 0x00007fff92b2234e WebCore::RunLoop::performWork() + 270 14 com.apple.WebCore 0x00007fff92b22222 WebCore::RunLoop::performWork(void*) + 34 15 com.apple.CoreFoundation 0x00007fff909c4731 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 16 com.apple.CoreFoundation 0x00007fff909b5ea2 __CFRunLoopDoSources0 + 242 17 com.apple.CoreFoundation 0x00007fff909b562f __CFRunLoopRun + 831 18 com.apple.CoreFoundation 0x00007fff909b50b5 CFRunLoopRunSpecific + 309 19 com.apple.HIToolbox 0x00007fff86ba4a0d RunCurrentEventLoopInMode + 226 20 com.apple.HIToolbox 0x00007fff86ba47b7 ReceiveNextEventCommon + 479 21 com.apple.HIToolbox 0x00007fff86ba45bc _BlockUntilNextEventMatchingListInModeWithFilter + 65 22 com.apple.AppKit 0x00007fff8e2133de _DPSNextEvent + 1434 23 com.apple.AppKit 0x00007fff8e212a2b -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122 24 com.apple.AppKit 0x00007fff8e206b2c -[NSApplication run] + 553 25 com.apple.AppKit 0x00007fff8e1f1913 NSApplicationMain + 940 26 com.apple.XPCService 0x00007fff88512c0f _xpc_main + 385 27 libxpc.dylib 0x00007fff88f4cbde xpc_main + 399 28 com.apple.WebKit.WebContent 0x000000010d783ba0 0x10d783000 + 2976 29 libdyld.dylib 0x00007fff904105fd start + 1 Expected Results: No Crash Notes: Paste console output, portions of crash logs & additional info here