[Webkit-unassigned] [Bug 71674] New: Assert failure in WebCore::EventListenerMap::find(WTF::AtomicString const&)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=71674

           Summary: Assert failure in
                    WebCore::EventListenerMap::find(WTF::AtomicString
                    const&)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://www.google.com/
        OS/Version: Mac OS X 10.7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rex_4539 at yahoo.com


r99404

Reproducibility: often

Steps:
Perform a search for anything in Google.

What happened:
Assert failure.

ASSERTION FAILED: !m_activeIteratorCount
/Users/rex/WebKit/Source/WebCore/dom/EventListenerMap.cpp(180) : EventListenerVector *WebCore::EventListenerMap::find(const WTF::AtomicString &)
1   0x10d9e846e WebCore::EventListenerMap::find(WTF::AtomicString const&)
2   0x10d9f416a WebCore::EventTarget::fireEventListeners(WebCore::Event*)
3   0x10e98e2c9 WebCore::WindowEventContext::handleLocalEvents(WebCore::Event*)
4   0x10d9ccc3d WebCore::EventDispatcher::dispatchEvent(WTF::PassRefPtr<WebCore::Event>)
5   0x10e3580a4 WebCore::MouseEventDispatchMediator::dispatchEvent(WebCore::EventDispatcher*) const
6   0x10d9cc225 WebCore::EventDispatcher::dispatchEvent(WebCore::Node*, WTF::PassRefPtr<WebCore::EventDispatchMediator>)
7   0x10e379ddf WebCore::Node::dispatchMouseEvent(WebCore::PlatformMouseEvent const&, WTF::AtomicString const&, int, WebCore::Node*)
8   0x10d9d90ff WebCore::EventHandler::updateMouseEventTargetNode(WebCore::Node*, WebCore::PlatformMouseEvent const&, bool)
9   0x10d9d713c WebCore::EventHandler::dispatchMouseEvent(WTF::AtomicString const&, WebCore::Node*, bool, int, WebCore::PlatformMouseEvent const&, bool)
10  0x10d9d86ca WebCore::EventHandler::handleMouseMoveEvent(WebCore::PlatformMouseEvent const&, WebCore::HitTestResult*)
11  0x10d9d7cf6 WebCore::EventHandler::mouseMoved(WebCore::PlatformMouseEvent const&)
12  0x10bcce561 _ZN6WebKitL16handleMouseEventERKNS_13WebMouseEventEPN7WebCore4PageE
13  0x10bcce3ab WebKit::WebPage::mouseEvent(WebKit::WebMouseEvent const&)
14  0x10bddf637 void CoreIPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebMouseEvent const&), WebKit::WebMouseEvent>(CoreIPC::Arguments1<WebKit::WebMouseEvent> const&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebMouseEvent const&))
15  0x10bdd46f6 void CoreIPC::handleMessage<Messages::WebPage::MouseEvent, WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebMouseEvent const&)>(CoreIPC::ArgumentDecoder*, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebMouseEvent const&))
16  0x10bdd2483 WebKit::WebPage::didReceiveWebPageMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*)
17  0x10bcd221d WebKit::WebPage::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*)
18  0x10bd4b0a1 WebKit::WebProcess::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*)
19  0x10bc07eac CoreIPC::Connection::dispatchMessage(CoreIPC::Connection::Message<CoreIPC::ArgumentDecoder>&)
20  0x10bc0a6c3 CoreIPC::Connection::dispatchMessages()
21  0x10bc114db MemberFunctionWorkItem0<CoreIPC::Connection>::execute()
22  0x10bc70bcf RunLoop::performWork()
23  0x10bc71b00 RunLoop::performWork(void*)
24  0x7fff89ed0b51 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
25  0x7fff89ed03bd __CFRunLoopDoSources0
26  0x7fff89ef71a9 __CFRunLoopRun
27  0x7fff89ef6ae6 CFRunLoopRunSpecific
28  0x7fff866273d3 RunCurrentEventLoopInMode
29  0x7fff8662e63d ReceiveNextEventCommon
30  0x7fff8662e4ca BlockUntilNextEventMatchingListInMode
31  0x7fff885db3f1 _DPSNextEvent

Expected result:
No assert failure.

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