[Webkit-unassigned] [Bug 120291] New: ASSERTION FAILED: !currBox->needsLayout() in WebCore::RenderBlock::checkPositionedObjectsNeedLayout

Mon Aug 26 01:34:52 PDT 2013

https://bugs.webkit.org/show_bug.cgi?id=120291

           Summary: ASSERTION FAILED: !currBox->needsLayout() in
                    WebCore::RenderBlock::checkPositionedObjectsNeedLayout
           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: reni at webkit.org
            Blocks: 116980

The failing test:

<html>
    <li style="position: absolute;">
        <label style="position:fixed;"></label>
        <input autofocus="autofocus">
    </li>
    <sup></sup>
    <form></form>
</html>

Backtrace:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff56f42bc in WTFCrash () at /home/reni/Data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:342
342        *(int *)(uintptr_t)0xbbadbeef = 0;
(gdb) bt
#0  0x00007ffff56f42bc in WTFCrash () at /home/reni/Data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:342
#1  0x00007ffff4838e22 in WebCore::RenderBlock::checkPositionedObjectsNeedLayout (this=0x78fe88)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderBlock.cpp:8308
#2  0x00007ffff496a695 in WebCore::RenderObject::checkBlockPositionedObjectsNeedLayout (this=0x78fe88)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderObject.cpp:747
#3  0x00007ffff41a557c in WebCore::RenderObject::setNeedsLayout (this=0x78fe88, needsLayout=false, markParents=WebCore::MarkContainingBlockChain)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderObject.h:1219
#4  0x00007ffff4816957 in WebCore::RenderBlock::layoutBlock (this=0x78fe88, relayoutChildren=false, pageLogicalHeight=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderBlock.cpp:1752
#5  0x00007ffff4815441 in WebCore::RenderBlock::layout (this=0x78fe88) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderBlock.cpp:1428
#6  0x00007ffff49cab01 in WebCore::RenderView::layoutContent (this=0x78fe88, state=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderView.cpp:142
#7  0x00007ffff49cb8be in WebCore::RenderView::layout (this=0x78fe88) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderView.cpp:327
#8  0x00007ffff4676ade in WebCore::FrameView::layout (this=0x7945b0, allowSubtree=true)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/page/FrameView.cpp:1327
#9  0x00007ffff41af833 in WebCore::Document::implicitClose (this=0x89ea00) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/dom/Document.cpp:2418
#10 0x00007ffff45af90d in WebCore::FrameLoader::checkCallImplicitClose (this=0x78d798)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/FrameLoader.cpp:850
#11 0x00007ffff45af67e in WebCore::FrameLoader::checkCompleted (this=0x78d798) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/FrameLoader.cpp:793
#12 0x00007ffff45af3b3 in WebCore::FrameLoader::finishedParsing (this=0x78d798) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/FrameLoader.cpp:726
#13 0x00007ffff41b67d9 in WebCore::Document::finishedParsing (this=0x89ea00) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/dom/Document.cpp:4393
#14 0x00007ffff4407b0d in WebCore::HTMLConstructionSite::finishedParsing (this=0x8159d8)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLConstructionSite.cpp:348
#15 0x00007ffff443c1a5 in WebCore::HTMLTreeBuilder::finished (this=0x8159c0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:2926
#16 0x00007ffff440f182 in WebCore::HTMLDocumentParser::end (this=0x794190)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:763
#17 0x00007ffff440f26d in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd (this=0x794190)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:774
#18 0x00007ffff440dddc in WebCore::HTMLDocumentParser::prepareToStopParsing (this=0x794190)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:211
#19 0x00007ffff440f2b2 in WebCore::HTMLDocumentParser::attemptToEnd (this=0x794190)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:786
#20 0x00007ffff440f36b in WebCore::HTMLDocumentParser::finish (this=0x794190)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:835
#21 0x00007ffff45a7213 in WebCore::DocumentWriter::end (this=0x694160) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/DocumentWriter.cpp:248
#22 0x00007ffff4599d52 in WebCore::DocumentLoader::finishedLoading (this=0x6940c0, finishTime=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/DocumentLoader.cpp:402
#23 0x00007ffff4599ac0 in WebCore::DocumentLoader::notifyFinished (this=0x6940c0, resource=0x7cba20)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/DocumentLoader.cpp:344
#24 0x00007ffff4580db6 in WebCore::CachedResource::checkNotify (this=0x7cba20)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/cache/CachedResource.cpp:369
#25 0x00007ffff4580e8c in WebCore::CachedResource::finishLoading (this=0x7cba20)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/cache/CachedResource.cpp:385
#26 0x00007ffff457d5de in WebCore::CachedRawResource::finishLoading (this=0x7cba20, data=0x7c5890)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/cache/CachedRawResource.cpp:94
#27 0x00007ffff45e3c41 in WebCore::SubresourceLoader::didFinishLoading (this=0x775b80, finishTime=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/SubresourceLoader.cpp:282
#28 0x00007ffff45da52b in WebCore::ResourceLoader::didFinishLoading (this=0x775b80, finishTime=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/ResourceLoader.cpp:488
#29 0x00007ffff4a85729 in WebCore::QNetworkReplyHandler::finish (this=0x7cc550)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:516
#30 0x00007ffff4a84448 in WebCore::QNetworkReplyHandlerCallQueue::flush (this=0x7cc588)
---Type <return> to continue, or q <return> to quit---
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:250
#31 0x00007ffff4a84145 in WebCore::QNetworkReplyHandlerCallQueue::push (this=0x7cc588, 
    method=(void (WebCore::QNetworkReplyHandler::*)(WebCore::QNetworkReplyHandler * const)) 0x7ffff4a8556e <WebCore::QNetworkReplyHandler::finish()>)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:216
#32 0x00007ffff4a85092 in WebCore::QNetworkReplyWrapper::didReceiveFinished (this=0x7ccd10)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:409
#33 0x00007ffff4a87a24 in WebCore::QNetworkReplyWrapper::qt_static_metacall (_o=0x7ccd10, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fffffffcf70)
    at .moc/release-shared/moc_QNetworkReplyHandler.cpp:176
#34 0x00007ffff220f5cb in QMetaObject::activate(QObject*, int, int, void**) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#35 0x00007ffff221084e in QObject::event(QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#36 0x00007ffff3056dbc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#37 0x00007ffff305a075 in QApplication::notify(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#38 0x00007ffff21eadbe in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#39 0x00007ffff21eca76 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#40 0x00007ffff2232333 in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#41 0x00007fffee3732d6 in g_main_dispatch (context=0x6632f0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3065
#42 g_main_context_dispatch (context=context at entry=0x6632f0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3641
#43 0x00007fffee373628 in g_main_context_iterate (context=context at entry=0x6632f0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3712
#44 0x00007fffee3736cc in g_main_context_iteration (context=0x6632f0, may_block=1) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3773
#45 0x00007ffff22324bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#46 0x00007ffff21e9d3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#47 0x00007ffff21ed120 in QCoreApplication::exec() () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#48 0x0000000000421ba0 in launcherMain (app=...) at /home/reni/Data/REPOS/webkit_sec/Tools/QtTestBrowser/qttestbrowser.cpp:49
#49 0x0000000000423680 in main (argc=2, argv=0x7fffffffdc48) at /home/reni/Data/REPOS/webkit_sec/Tools/QtTestBrowser/qttestbrowser.cpp:318

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