Bug 121505 – ASSERTION FAILED: lastNode->element()->parentNode() in WebCore::HTMLTreeBuilder::callTheAdoptionAgency

• Status: RESOLVED
• Resolution: WORKSFORME
• Component: DOM

[Renata Hodovan]

Created attachment 211922 [details]
Test case

The failing test:

<a>
    <figure>
        <iframe onbeforeload="event.target.parentNode.parentNode.removeChild(event.target.parentNode)"></iframe>
        <a></a>
    </figure>
</a>


Its backtrace:


Program received signal SIGSEGV, Segmentation fault.
0x00007ffff56dafad in WTFCrash () at /home/reni/Data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:342
342	    *(int *)(uintptr_t)0xbbadbeef = 0;
(gdb) bt
#0  0x00007ffff56dafad in WTFCrash () at /home/reni/Data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:342
#1  0x00007ffff442453c in WebCore::HTMLTreeBuilder::callTheAdoptionAgency (this=0x791e90, token=0x7fffffffc5a0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:1610
#2  0x00007ffff4426217 in WebCore::HTMLTreeBuilder::processEndTagForInBody (this=0x791e90, token=0x7fffffffc5a0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:1916
#3  0x00007ffff4426da3 in WebCore::HTMLTreeBuilder::processEndTag (this=0x791e90, token=0x7fffffffc5a0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:2066
#4  0x00007ffff441e970 in WebCore::HTMLTreeBuilder::processFakeEndTag (this=0x791e90, tagName=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:430
#5  0x00007ffff441e9ac in WebCore::HTMLTreeBuilder::processFakeEndTag (this=0x791e90, tagName=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:436
#6  0x00007ffff4420458 in WebCore::HTMLTreeBuilder::processStartTagForInBody (this=0x791e90, token=0x7fffffffc7e0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:753
#7  0x00007ffff442221d in WebCore::HTMLTreeBuilder::processStartTag (this=0x791e90, token=0x7fffffffc7e0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:1159
#8  0x00007ffff441e788 in WebCore::HTMLTreeBuilder::processToken (this=0x791e90, token=0x7fffffffc7e0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:384
#9  0x00007ffff441e5ba in WebCore::HTMLTreeBuilder::constructTree (this=0x791e90, token=0x7fffffffc7e0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:356
#10 0x00007ffff43fd322 in WebCore::HTMLDocumentParser::constructTreeFromHTMLToken (this=0x7959a0, rawToken=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:597
#11 0x00007ffff43fcf57 in WebCore::HTMLDocumentParser::pumpTokenizer (this=0x7959a0, mode=WebCore::HTMLDocumentParser::AllowYield)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:551
#12 0x00007ffff43fc71f in WebCore::HTMLDocumentParser::pumpTokenizerIfPossible (this=0x7959a0, mode=WebCore::HTMLDocumentParser::AllowYield)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:235
#13 0x00007ffff43fd8be in WebCore::HTMLDocumentParser::append (this=0x7959a0, inputSource=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/html/parser/HTMLDocumentParser.cpp:747
#14 0x00007ffff418dc07 in WebCore::DecodedDataDocumentParser::flush (this=0x7959a0, writer=0x694240)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/dom/DecodedDataDocumentParser.cpp:60
#15 0x00007ffff4598071 in WebCore::DocumentWriter::end (this=0x694240) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/DocumentWriter.cpp:241
#16 0x00007ffff458ab61 in WebCore::DocumentLoader::finishedLoading (this=0x6941a0, finishTime=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/DocumentLoader.cpp:407
#17 0x00007ffff458a8ca in WebCore::DocumentLoader::notifyFinished (this=0x6941a0, resource=0x7b2d50)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/DocumentLoader.cpp:344
#18 0x00007ffff4571afe in WebCore::CachedResource::checkNotify (this=0x7b2d50)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/cache/CachedResource.cpp:369
#19 0x00007ffff4571bd4 in WebCore::CachedResource::finishLoading (this=0x7b2d50)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/cache/CachedResource.cpp:385
#20 0x00007ffff456e326 in WebCore::CachedRawResource::finishLoading (this=0x7b2d50, data=0x7784d0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/cache/CachedRawResource.cpp:94
#21 0x00007ffff45d4a15 in WebCore::SubresourceLoader::didFinishLoading (this=0x75d850, finishTime=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/SubresourceLoader.cpp:282
#22 0x00007ffff45cb33b in WebCore::ResourceLoader::didFinishLoading (this=0x75d850, finishTime=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/loader/ResourceLoader.cpp:488
#23 0x00007ffff4a86713 in WebCore::QNetworkReplyHandler::finish (this=0x7acc40)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:516
#24 0x00007ffff4a85432 in WebCore::QNetworkReplyHandlerCallQueue::flush (this=0x7acc78)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:250
#25 0x00007ffff4a8512f in WebCore::QNetworkReplyHandlerCallQueue::push (this=0x7acc78, 
    method=(void (WebCore::QNetworkReplyHandler::*)(WebCore::QNetworkReplyHandler * const)) 0x7ffff4a86558 <WebCore::QNetworkReplyHandler::finish()>)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:216
#26 0x00007ffff4a8607c in WebCore::QNetworkReplyWrapper::didReceiveFinished (this=0x7c6fa0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:409
#27 0x00007ffff4a88a0e in WebCore::QNetworkReplyWrapper::qt_static_metacall (_o=0x7c6fa0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fffffffce30)
---Type <return> to continue, or q <return> to quit---
    at .moc/release-shared/moc_QNetworkReplyHandler.cpp:176
#28 0x00007ffff21e65cb in QMetaObject::activate(QObject*, int, int, void**) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#29 0x00007ffff21e784e in QObject::event(QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#30 0x00007ffff302ddbc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#31 0x00007ffff3031075 in QApplication::notify(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#32 0x00007ffff21c1dbe in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#33 0x00007ffff21c3a76 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#34 0x00007ffff2209333 in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#35 0x00007fffee34a3c6 in g_main_dispatch (context=0x6632f0) at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3065
#36 g_main_context_dispatch (context=context@entry=0x6632f0) at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3641
#37 0x00007fffee34a718 in g_main_context_iterate (context=context@entry=0x6632f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3712
#38 0x00007fffee34a7bc in g_main_context_iteration (context=0x6632f0, may_block=1) at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3773
#39 0x00007ffff22094bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#40 0x00007ffff21c0d3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#41 0x00007ffff21c4120 in QCoreApplication::exec() () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#42 0x0000000000421ba0 in launcherMain (app=...) at /home/reni/Data/REPOS/webkit_sec/Tools/QtTestBrowser/qttestbrowser.cpp:49
#43 0x0000000000423680 in main (argc=2, argv=0x7fffffffdb08) at /home/reni/Data/REPOS/webkit_sec/Tools/QtTestBrowser/qttestbrowser.cpp:318