Bug 53385 – ScrollAnimatorMac leaks

• Component: WebCore Misc.
• Status: RESOLVED DUPLICATE

[Simon Fraser (smfr)]

Leak bot output, like <http://build.webkit.org/results/SnowLeopard%20Intel%20Leaks/r77071%20(14433)/DumpRenderTree10-leaks.txt>, shows this leak:

	Call stack: [thread 0x7fff70b12c20]:
	| 0x2
	| start
	| main
	| dumpRenderTree(int, char const**)
	| runTestingServerLoop()
	| runTest(std::string const&)
	| -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
	| CFRunLoopRunSpecific
	| __CFRunLoopRun
	| __CFRunLoopDoSources0
	| MultiplexerSource::perform()
	| URLConnectionClient::processEvents()
	| URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long)
	| URLConnectionClient::_clientDidReceiveData(__CFData const*, URLConnectionClient::ClientConnectionEventQueue*)
	| _NSURLConnectionDidReceiveData
	| -[WebCoreResourceHandleAsDelegate connection:didReceiveData:lengthReceived:]
	| WebCore::ResourceLoader::didReceiveData(WebCore::ResourceHandle*, char const*, int, int)
	| WebCore::MainResourceLoader::didReceiveData(char const*, int, long long, bool)
	| WebCore::ResourceLoader::didReceiveData(char const*, int, long long, bool)
	| WebCore::MainResourceLoader::addData(char const*, int, bool)
	| WebCore::DocumentLoader::receivedData(char const*, int)
	| WebCore::DocumentLoader::commitLoad(char const*, int)
	| WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int)
	| -[WebDataSource(WebInternal) _receivedData:]
	| -[WebHTMLRepresentation receivedData:withDataSource:]
	| -[WebFrame(WebInternal) _commitData:]
	| WebCore::DocumentLoader::commitData(char const*, int)
	| WebCore::DocumentWriter::addData(char const*, int, bool)
	| WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter*, char const*, int, bool)
	| WebCore::HTMLDocumentParser::append(WebCore::SegmentedString const&)
	| WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode)
	| WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode)
	| WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder()
	| WebCore::HTMLScriptRunner::execute(WTF::PassRefPtr<WebCore::Element>, WTF::TextPosition<WTF::OneBasedNumber> const&)
	| WebCore::HTMLScriptRunner::runScript(WebCore::Element*, WTF::TextPosition<WTF::OneBasedNumber> const&)
	| WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&)
	| WebCore::ScriptController::executeScript(WebCore::ScriptSourceCode const&, WebCore::ShouldAllowXSS)
	| WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&, WebCore::ShouldAllowXSS)
	| WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*, WebCore::ShouldAllowXSS)
	| WebCore::JSMainThreadExecState::evaluate(JSC::ExecState*, JSC::ScopeChain&, JSC::SourceCode const&, JSC::JSValue)
	| JSC::evaluate(JSC::ExecState*, JSC::ScopeChain&, JSC::SourceCode const&, JSC::JSValue)
	| JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::ScopeChainNode*, JSC::JSObject*)
	| JSC::JITCode::execute(JSC::RegisterFile*, JSC::ExecState*, JSC::JSGlobalData*)
	| 0x56847de001b8
	| WebCore::jsElementPrototypeFunctionWebkitRequestFullScreen(JSC::ExecState*)
	| WebCore::Element::webkitRequestFullScreen(unsigned short)
	| WebCore::Document::webkitRequestFullScreenForElement(WebCore::Element*, unsigned short)
	| WebChromeClient::enterFullScreenForElement(WebCore::Element*)
	| CallUIDelegate(WebView*, objc_selector*, objc_object*, objc_object*)
	| CallDelegate(WebView*, objc_object*, objc_selector*, objc_object*, objc_object*)
	| -[UIDelegate webView:enterFullScreenForElement:listener:]
	| -[WebKitFullScreenListener webkitWillEnterFullScreen]
	| WebCore::Document::webkitWillEnterFullScreenForElement(WebCore::Element*)
	| WebCore::Document::recalcStyle(WebCore::Node::StyleChange)
	| WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
	| WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
	| WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
	| WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
	| WebCore::Element::attach()
	| WebCore::Node::createRendererIfNeeded()
	| WebCore::RenderObject::setStyle(WTF::PassRefPtr<WebCore::RenderStyle>)
	| WebCore::RenderBlock::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*)
	| WebCore::RenderBox::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*)
	| WebCore::RenderBoxModelObject::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*)
	| WebCore::RenderLayer::RenderLayer(WebCore::RenderBoxModelObject*)
	| WebCore::ScrollableArea::ScrollableArea()
	| WebCore::ScrollAnimator::create(WebCore::ScrollableArea*)
	| WebCore::ScrollAnimatorMac::ScrollAnimatorMac(WebCore::ScrollableArea*)
	| +[NSObject(NSObject) allocWithZone:]
	| _internal_class_createInstanceFromZone
	| calloc
	| malloc_zone_calloc

[Sam Weinig]

My guess is that this is a dup of 53384. They both have WebKitFullScreenListener webkitWillEnterFullScreen in the stack, so I would guess the problem is somewhere around there,

*** This bug has been marked as a duplicate of bug 53384 ***