[Webkit-unassigned] [Bug 22630] New: Assertion failure in XMLHttpRequest::contextDestroyed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=22630

           Summary: Assertion failure in XMLHttpRequest::contextDestroyed
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: ap at webkit.org


I don't yet know how to reproduce this, but here's the some information about
the assertion I saw.

Assertion:

    ASSERT(!m_loader);

XMLHTTPRequest::m_url:

http://www.google.com/reader/user-info?ck=1228326264938&client=scroll

XMLHTTPRequest::m_lastSendURL:

http://www.google.com/reader/ui/4201809102-en-scroll.js?hl=en

Backtrace:

        WebKit_debug.dll!WebCore::XMLHttpRequest::contextDestroyed()  Line 1431
+ 0x31 bytes    C++
>	WebKit_debug.dll!WebCore::ScriptExecutionContext::~ScriptExecutionContext()  Line 65 + 0x1c bytes	C++
        WebKit_debug.dll!WebCore::Document::~Document()  Line 462 + 0x32a bytes
C++
        WebKit_debug.dll!WebCore::HTMLDocument::~HTMLDocument()  Line 91 + 0x47
bytes   C++
        WebKit_debug.dll!WebCore::HTMLDocument::`scalar deleting destructor'() 
+ 0x16 bytes    C++
        WebKit_debug.dll!WebCore::Document::selfOnlyDeref()  Line 209 + 0x22
bytes      C++
       
WebKit_debug.dll!WebCore::DocPtr<WebCore::Document>::~DocPtr<WebCore::Document>()
 Line 32 + 0x2d bytes C++
        WebKit_debug.dll!WebCore::Node::~Node()  Line 211 + 0x13 bytes  C++
        WebKit_debug.dll!WebCore::EventTargetNode::~EventTargetNode()  Line 76
+ 0x28 bytes     C++
        WebKit_debug.dll!WebCore::ContainerNode::~ContainerNode()  Line 67 +
0x8 bytes  C++
        WebKit_debug.dll!WebCore::Element::~Element()  Line 73 + 0x1e bytes    
C++
        WebKit_debug.dll!WebCore::StyledElement::~StyledElement()  Line 125 +
0x13 bytes        C++
        WebKit_debug.dll!WebCore::HTMLElement::~HTMLElement()  Line 62 + 0x8
bytes      C++
        WebKit_debug.dll!WebCore::HTMLDivElement::~HTMLDivElement()  Line 41 +
0x8 bytes        C++
        WebKit_debug.dll!WebCore::HTMLDivElement::`scalar deleting
destructor'()  + 0x16 bytes  C++
        WebKit_debug.dll!WebCore::TreeShared<WebCore::Node>::removedLastRef() 
Line 99 + 0x22 bytes     C++
        WebKit_debug.dll!WebCore::TreeShared<WebCore::Node>::deref()  Line 69 +
0xf bytes       C++
        WebKit_debug.dll!WTF::RefPtr<WebCore::Node>::~RefPtr<WebCore::Node>() 
Line 50 + 0x2d bytes     C++
        WebKit_debug.dll!WebCore::JSNode::~JSNode()  Line 192 + 0xb bytes      
C++
        WebKit_debug.dll!WebCore::JSEventTargetNode::~JSEventTargetNode()  +
0x16 bytes C++
        WebKit_debug.dll!WebCore::JSElement::~JSElement()  + 0x16 bytes C++
        WebKit_debug.dll!WebCore::JSHTMLElement::~JSHTMLElement()  + 0x16 bytes
C++
        WebKit_debug.dll!WebCore::JSHTMLDivElement::~JSHTMLDivElement()  + 0x16
bytes   C++
        WebKit_debug.dll!WebCore::JSHTMLDivElement::`scalar deleting
destructor'()  + 0x16 bytes        C++
        WebKit_debug.dll!JSC::Heap::sweep<0>()  Line 898 + 0x10 bytes   C++
        WebKit_debug.dll!JSC::Heap::collect()  Line 997 + 0x8 bytes     C++
       
WebKit_debug.dll!WebCore::GCController::gcTimerFired(WebCore::Timer<WebCore::GCController>
* __formal=0x047fe168)  Line 75      C++
        WebKit_debug.dll!WebCore::Timer<WebCore::GCController>::fired()  Line
99 + 0x23 bytes   C++
        WebKit_debug.dll!WebCore::TimerBase::fireTimers(double
fireTime=1228326265.6454067, const WTF::Vector<WebCore::TimerBase *,0> &
firingTimers=[3](0x0482c498 {m_nextFireTime=??? m_repeatInterval=???
m_heapIndex=??? ...},0x06b44230 {m_nextFireTime=??? m_repeatInterval=???
m_heapIndex=??? ...},0x047fe168 {m_nextFireTime=??? m_repeatInterval=???
m_heapIndex=??? ...}))  Line 347 + 0xf bytes     C++
        WebKit_debug.dll!WebCore::TimerBase::sharedTimerFired()  Line 368 +
0x12 bytes  C++
        WebKit_debug.dll!WebCore::TimerWindowWndProc(HWND__ * hWnd=0x00040a1c,
unsigned int message=49540, unsigned int wParam=0, long lParam=0)  Line 102 +
0x8 bytes  C++


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