[Webkit-unassigned] [Bug 34255] New: [Qt] When showing the web inspector in the browser demo it can crash

Thu Jan 28 05:46:28 PST 2010

https://bugs.webkit.org/show_bug.cgi?id=34255

           Summary: [Qt] When showing the web inspector in the browser
                    demo it can crash
           Product: WebKit
           Version: 525.x (Safari 3.2)
          Platform: PC
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P3
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: qt-info at nokia.com

If you enable the web inspector in the browser demo and then right click on one
of the image links in the bar near the top of the qt.nokia.com webpage then it
will crash with the following stack trace:

Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 QtGui 0x00000001021f15e3 QTextEngine::shapeTextMac(int) const + 1571
1 QtGui 0x00000001021f19cb QTextEngine::shapeText(int) const + 123
2 QtGui 0x00000001021f1d6a QTextEngine::shape(int) const + 138
3 QtGui 0x00000001021f36bb QTextEngine::shapeLine(QScriptLine const&) + 427
4 QtGui 0x000000010210ce8d QPainter::drawText(QPointF const&, QString const&,
int, int) + 429
5 QtWebKit 0x000000010071f6ba
WebCore::Font::drawComplexText(WebCore::GraphicsContext*, WebCore::TextRun
const&, WebCore::FloatPoint const&, int, int) const + 2138
6 QtWebKit 0x00000001005e7bb1 WebCore::GraphicsContext::drawText(WebCore::Font
const&, WebCore::TextRun const&, WebCore::IntPoint const&, int, int) + 97
7 QtWebKit 0x00000001006483fd
WebCore::paintTextWithShadows(WebCore::GraphicsContext*, WebCore::Font const&,
WebCore::TextRun const&, int, int, WebCore::IntPoint const&, int, int, int,
int, WebCore::ShadowData*, bool) + 653
8 QtWebKit 0x000000010064b603
WebCore::InlineTextBox::paint(WebCore::RenderObject::PaintInfo&, int, int) +
1443
9 QtWebKit 0x0000000100646e08
WebCore::InlineFlowBox::paint(WebCore::RenderObject::PaintInfo&, int, int) +
504
10 QtWebKit 0x0000000100646e08
WebCore::InlineFlowBox::paint(WebCore::RenderObject::PaintInfo&, int, int) +
504
11 QtWebKit 0x00000001006f0408
WebCore::RootInlineBox::paint(WebCore::RenderObject::PaintInfo&, int, int) + 40
12 QtWebKit 0x00000001006a7f1c
WebCore::RenderLineBoxList::paint(WebCore::RenderBoxModelObject*,
WebCore::RenderObject::PaintInfo&, int, int) const + 1564
13 QtWebKit 0x000000010065c8e1
WebCore::RenderBlock::paintObject(WebCore::RenderObject::PaintInfo&, int, int)
+ 577
14 QtWebKit 0x0000000100653842
WebCore::RenderBlock::paint(WebCore::RenderObject::PaintInfo&, int, int) + 306
15 QtWebKit 0x0000000100656488
WebCore::RenderBlock::paintChildren(WebCore::RenderObject::PaintInfo&, int,
int) + 328
16 QtWebKit 0x000000010065c8e1
WebCore::RenderBlock::paintObject(WebCore::RenderObject::PaintInfo&, int, int)
+ 577
17 QtWebKit 0x0000000100653842
WebCore::RenderBlock::paint(WebCore::RenderObject::PaintInfo&, int, int) + 306
18 QtWebKit 0x0000000100656488
WebCore::RenderBlock::paintChildren(WebCore::RenderObject::PaintInfo&, int,
int) + 328
19 QtWebKit 0x000000010065c8e1
WebCore::RenderBlock::paintObject(WebCore::RenderObject::PaintInfo&, int, int)
+ 577
20 QtWebKit 0x0000000100653842
WebCore::RenderBlock::paint(WebCore::RenderObject::PaintInfo&, int, int) + 306
21 QtWebKit 0x00000001006a1ebc
WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*,
WebCore::GraphicsContext*, WebCore::IntRect const&, WebCore::PaintRestriction,
WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*,
WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::IntRect> >*, unsigned int) + 1372
22 QtWebKit 0x00000001006a2079
WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*,
WebCore::GraphicsContext*, WebCore::IntRect const&, WebCore::PaintRestriction,
WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*,
WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::IntRect> >*, unsigned int) + 1817
23 QtWebKit 0x00000001006a2079
WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*,
WebCore::GraphicsContext*, WebCore::IntRect const&, WebCore::PaintRestriction,
WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*,
WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::IntRect> >*, unsigned int) + 1817
24 QtWebKit 0x00000001006a2079
WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*,
WebCore::GraphicsContext*, WebCore::IntRect const&, WebCore::PaintRestriction,
WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*,
WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::OverlapTestRequestClient*>,
WTF::HashTraits<WebCore::IntRect> >*, unsigned int) + 1817
25 QtWebKit 0x00000001006a2763
WebCore::RenderLayer::paint(WebCore::GraphicsContext*, WebCore::IntRect const&,
WebCore::PaintRestriction, WebCore::RenderObject*) + 83
26 QtWebKit 0x00000001005b3340
WebCore::FrameView::paintContents(WebCore::GraphicsContext*, WebCore::IntRect
const&) + 256
27 QtWebKit 0x00000001007600e0 QWebFramePrivate::renderPrivate(QPainter*,
QWebFrame::RenderLayer, QRegion const&) + 1376
28 QtWebKit 0x00000001007778ed QWebView::paintEvent(QPaintEvent*) + 109
29 QtGui 0x000000010202c286 QWidget::event(QEvent*) + 2294
30 QtWebKit 0x000000010077763e QWebView::event(QEvent*) + 94
31 QtGui 0x0000000101fd742d QApplicationPrivate::notify_helper(QObject*,
QEvent*) + 189
32 QtGui 0x0000000101fdc2dd QApplication::notify(QObject*, QEvent*) + 349
33 QtCore 0x0000000102d2258c QCoreApplication::notifyInternal(QObject*,
QEvent*) + 124
34 QtGui 0x0000000101fd75ac qt_sendSpontaneousEvent(QObject*, QEvent*) + 44
35 QtGui 0x0000000101f8701a -[QCocoaView drawRect:] + 954
36 com.apple.AppKit 0x00007fff81d27fae -[NSView _drawRect:clip:] + 3390
37 com.apple.AppKit 0x00007fff81d26c21 -[NSView
_recursiveDisplayAllDirtyWithLockFocus:visRect:] + 1325
38 com.apple.AppKit 0x00007fff81d26f8b -[NSView
_recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2199
39 com.apple.AppKit 0x00007fff81d26f8b -[NSView
_recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2199
40 com.apple.AppKit 0x00007fff81d252f3 -[NSView
_recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
+ 767
41 com.apple.AppKit 0x00007fff81d261bf -[NSView
_recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
+ 4555
42 com.apple.AppKit 0x00007fff81d24e17 -[NSThemeFrame
_recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
+ 254
43 com.apple.AppKit 0x00007fff81d216bf -[NSView
_displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 2683
44 com.apple.AppKit 0x00007fff81c9af37 -[NSView displayIfNeeded] + 969
45 com.apple.AppKit 0x00007fff81c95dde _handleWindowNeedsDisplay + 678
46 com.apple.CoreFoundation 0x00007fff8387b427 __CFRunLoopDoObservers + 519
47 com.apple.CoreFoundation 0x00007fff838572d4 __CFRunLoopRun + 468
48 com.apple.CoreFoundation 0x00007fff83856c2f CFRunLoopRunSpecific + 575
49 com.apple.HIToolbox 0x00007fff8685fa4e RunCurrentEventLoopInMode + 333
50 com.apple.HIToolbox 0x00007fff8685f853 ReceiveNextEventCommon + 310
51 com.apple.HIToolbox 0x00007fff8685f70c BlockUntilNextEventMatchingListInMode
+ 59
52 com.apple.AppKit 0x00007fff81c6b1f2 _DPSNextEvent + 708
53 com.apple.AppKit 0x00007fff81c6ab41 -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
54 com.apple.AppKit 0x00007fff81c30747 -[NSApplication run] + 395
55 QtGui 0x0000000101f964df
QEventDispatcherMac::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) +
1519
56 QtCore 0x0000000102dfaf14
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 68
57 QtCore 0x0000000102dfb224
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 180
58 QtCore 0x0000000102dfc84c QCoreApplication::exec() + 188
59 com.trolltech.DemoBrowser 0x00000001000472e2 main + 66
60 com.trolltech.DemoBrowser 0x00000001000035e8 start + 52

Note this does not happen on Leopard, so it seems to be a Snow Leopard specific
problem.

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