[Webkit-unassigned] [Bug 10213] New: Crash in WebCore::RenderLayer::isTransparent involving <iframe> and <select>

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=10213

           Summary: Crash in WebCore::RenderLayer::isTransparent involving
                    <iframe> and <select>
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: UNCONFIRMED
          Severity: critical
          Priority: P1
         Component: New Bugs
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: jruderman at gmail.com


Yesterday's WebKit nightly crashes on this testcase.  The stack trace is a
little strange (Crash Reporter gives a bogus second frame) and I don't know
why.


Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000004

Thread 0 Crashed:
0   com.apple.WebCore           0x011a4b6c
WebCore::RenderLayer::isTransparent() const + 28
1   <<00000000>>        0xbfffc240 0 + -1073757632
2   com.apple.WebCore           0x01193858
WebCore::RenderView::paintBoxDecorations(WebCore::RenderObject::PaintInfo&,
int, int) + 104
3   com.apple.WebCore           0x011aa418
WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*,
WebCore::GraphicsContext*, WebCore::IntRect const&, bool,
WebCore::PaintRestriction, WebCore::RenderObject*) + 584
4   com.apple.WebCore           0x010c81a4
WebCore::Frame::paint(WebCore::GraphicsContext*, WebCore::IntRect const&) + 196
5   com.apple.WebCore           0x01104518 -[WebCoreFrameBridge drawRect:] +
168
6   com.apple.WebKit            0x0033e260 -[WebHTMLView drawSingleRect:] + 288
7   com.apple.WebKit            0x0033e4b0 -[WebHTMLView drawRect:] + 288
8   com.apple.AppKit            0x93734858 -[NSView _drawRect:clip:] + 2128
9   com.apple.AppKit            0x93733e18 -[NSView
_recursiveDisplayAllDirtyWithLockFocus:visRect:] + 404


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