[Webkit-unassigned] [Bug 123354] New: fast/frames/seamless/seamless-nested.html asserts on wk2 only

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=123354

           Summary: fast/frames/seamless/seamless-nested.html asserts on
                    wk2 only
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: koivisto at iki.fi


http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK2%20(Tests)/r158013%20(13677)/fast/frames/seamless/seamless-nested-crash-crash-log.txt

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000bbadbeef

VM Regions Near 0xbbadbeef:
--> 
    __TEXT                 0000000101985000-0000000101986000 [    4K] r-x/rwx SM=COW  /Volumes/VOLUME/*/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess

Application Specific Information:
CRASHING TEST: fast/frames/seamless/seamless-nested-crash.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore          0x00000001039cac1a WTFCrash + 42 (Assertions.cpp:342)
1   com.apple.WebCore                 0x000000010642fde3 WebCore::RenderBlockFlow::ensureLineBoxes() + 531 (RenderBlockFlow.cpp:3052)
2   com.apple.WebCore                 0x0000000105ea13b0 WebCore::RenderText::ensureLineBoxes() + 80 (RenderText.cpp:1057)
3   com.apple.WebCore                 0x0000000105ea16a4 WebCore::RenderText::absoluteQuads(WTF::Vector<WebCore::FloatQuad, 0ul, WTF::CrashOnOverflow>&, bool*) const + 36 (RenderText.cpp:313)
4   com.apple.WebCore                 0x0000000105dc7e34 WebCore::RenderObject::absoluteBoundingBoxRect(bool) const + 100 (RenderObject.cpp:1146)
5   com.apple.WebCore                 0x0000000105b0544e WebCore::Node::boundingBox() const + 78 (Node.cpp:659)
6   com.apple.WebKit2                 0x0000000101dba8b8 WebCore::Node::pixelSnappedBoundingBox() const + 24 (Node.h:375)
7   com.apple.WebKit2                 0x0000000101dba4d7 WebKit::WebHitTestResult::Data::elementBoundingBoxInWindowCoordinates(WebCore::HitTestResult const&) + 167 (WebHitTestResult.cpp:105)
8   com.apple.WebKit2                 0x0000000101dba3f6 WebKit::WebHitTestResult::Data::Data(WebCore::HitTestResult const&) + 406 (WebHitTestResult.cpp:53)
9   com.apple.WebKit2                 0x0000000101dba24d WebKit::WebHitTestResult::Data::Data(WebCore::HitTestResult const&) + 29 (WebHitTestResult.cpp:56)
10  com.apple.WebKit2                 0x0000000101d06198 WebKit::WebChromeClient::mouseDidMoveOverElement(WebCore::HitTestResult const&, unsigned int) + 104 (WebChromeClient.cpp:561)
11  com.apple.WebCore                 0x0000000104ae728b WebCore::Chrome::mouseDidMoveOverElement(WebCore::HitTestResult const&, unsigned int) + 187 (Chrome.cpp:388)
12  com.apple.WebCore                 0x0000000104f65497 WebCore::EventHandler::mouseMoved(WebCore::PlatformMouseEvent const&) + 471 (EventHandler.cpp:1704)
13  com.apple.WebKit2                 0x0000000101e17088 WebKit::handleMouseEvent(WebKit::WebMouseEvent const&, WebKit::WebPage*, bool) + 408 (WebPage.cpp:1580)
14  com.apple.WebKit2                 0x0000000101e17334 WebKit::WebPage::mouseEventSyncForTesting(WebKit::WebMouseEvent const&, bool&) + 596 (WebPage.cpp:1649)
15  com.apple.WebKit2                 0x0000000101e6bf0f void CoreIPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)

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