[Webkit-unassigned] [Bug 47484] New: Assertion failure in JSEventListener::jsFunction() (m_wrapper || !m_jsFunction)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=47484

           Summary: Assertion failure in JSEventListener::jsFunction()
                    (m_wrapper || !m_jsFunction)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
               URL: http://www.creanium.net/gruber/
        OS/Version: Mac OS X 10.6
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org
                CC: oliver at apple.com, barraclough at apple.com


To reproduce, load the URL and drag across the middle third of the chart. Repeat several times.

ASSERTION FAILED: m_wrapper || !m_jsFunction
(WebCore/bindings/js/JSEventListener.h:83 JSC::JSObject* WebCore::JSEventListener::jsFunction(WebCore::ScriptExecutionContext*) const)

Backtrace:


#0    0x10309fc7e in WebCore::JSEventListener::jsFunction at JSEventListener.h:83
#1    0x103149a8c in WebCore::JSEventListener::handleEvent at JSEventListener.cpp:69
#2    0x102e186c8 in WebCore::EventTarget::fireEventListeners at EventTarget.cpp:335
#3    0x102e18d32 in WebCore::EventTarget::fireEventListeners at EventTarget.cpp:304
#4    0x10339c1e3 in WebCore::Node::handleLocalEvents at Node.cpp:2524
#5    0x10339c88f in WebCore::Node::dispatchGenericEvent at Node.cpp:2642
#6    0x10339cd3d in WebCore::Node::dispatchEvent at Node.cpp:2587
#7    0x10339b0ff in WebCore::Node::dispatchMouseEvent at Node.cpp:2851
#8    0x10339b5e3 in WebCore::Node::dispatchMouseEvent at Node.cpp:2760
#9    0x102e06e93 in WebCore::EventHandler::updateMouseEventTargetNode at EventHandler.cpp:1818
#10    0x102e06fea in WebCore::EventHandler::dispatchMouseEvent at EventHandler.cpp:1835
#11    0x102e0c210 in WebCore::EventHandler::handleMouseMoveEvent at EventHandler.cpp:1511
#12    0x102e0c2f7 in WebCore::EventHandler::mouseMoved at EventHandler.cpp:1392
#13    0x102e130a0 in WebCore::EventHandler::mouseMoved at EventHandlerMac.mm:625
#14    0x102563a5c in -[WebHTMLView(WebPrivate) _updateMouseoverWithEvent:] at WebHTMLView.mm:1653
#15    0x10255026a in -[WebHTMLView(WebPrivate) _updateMouseoverWithFakeEvent] at WebHTMLView.mm:1188
#16    0x10255a53b in -[WebHTMLView mouseUp:] at WebHTMLView.mm:3759
#17    0x7fff875607ed in -[NSWindow sendEvent:]
#18    0x100439b2c in -[Window sendEvent:] at Window.m:97

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