[Webkit-unassigned] [Bug 119088] [Qt] Crash in SimpleFontData, related to @font-face with non-existing src url

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Aug 5 09:59:30 PDT 2013


https://bugs.webkit.org/show_bug.cgi?id=119088





--- Comment #10 from Milian Wolff <milian.wolff at kdab.com>  2013-08-05 09:59:12 PST ---
Ok, here it is:

Program received signal SIGSEGV, Segmentation fault.
0x00007f8782536376 in WTF::RefPtr<WebCore::FontPlatformDataPrivate>::RefPtr (this=0x6c5c48, o=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WTF/wtf/RefPtr.h:43
43              ALWAYS_INLINE RefPtr(const RefPtr& o) : m_ptr(o.m_ptr) { refIfNotNull(m_ptr); }
(gdb) thread apply all bt

Thread 5 (Thread 0x7f87753a1700 (LWP 23989)):
#0  0x00007f877feeec61 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f87837f110c in WTF::ThreadCondition::timedWait (this=0x659180, mutex=..., absoluteTime=1375721283.5345609)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WTF/wtf/ThreadingPthreads.cpp:400
#2  0x00007f87835015ae in JSC::BlockAllocator::waitForRelativeTimeWhileHoldingLock (this=0x659078, relative=1)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/JavaScriptCore/heap/BlockAllocator.cpp:89
#3  0x00007f87835015f4 in JSC::BlockAllocator::waitForRelativeTime (this=0x659078, relative=1)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/JavaScriptCore/heap/BlockAllocator.cpp:99
#4  0x00007f8783501642 in JSC::BlockAllocator::blockFreeingThreadMain (this=0x659078)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/JavaScriptCore/heap/BlockAllocator.cpp:113
#5  0x00007f878350161a in JSC::BlockAllocator::blockFreeingThreadStartFunc (blockAllocator=0x659078)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/JavaScriptCore/heap/BlockAllocator.cpp:104
#6  0x00007f87837d716d in WTF::threadEntryPoint (contextData=0x61de00)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WTF/wtf/Threading.cpp:69
#7  0x00007f87837f0705 in WTF::wtfThreadEntryPoint (param=0x645850)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WTF/wtf/ThreadingPthreads.cpp:196
#8  0x00007f877feeadd2 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f877f403cdd in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f8775c16700 (LWP 23988)):
#0  0x00007f877f3fb08d in poll () from /usr/lib/libc.so.6
#1  0x00007f8786087094 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f878608719c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f878065eb0b in QEventDispatcherGlib::processEvents (this=0x7f87200008c0, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f87805eb686 in QEventLoop::processEvents (this=0x7f8775c15e20, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:136
#5  0x00007f87805eb969 in QEventLoop::exec (this=0x7f8775c15e20, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:212
#6  0x00007f87803f80fc in QThread::exec (this=0x638b00) at /ssd/milian/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:507
#7  0x00007f87803f829a in QThread::run (this=0x638b00) at /ssd/milian/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:574
#8  0x00007f87803feb98 in QThreadPrivate::start (arg=0x638b00) at /ssd/milian/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:345
#9  0x00007f877feeadd2 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f877f403cdd in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f87764f6700 (LWP 23987)):
#0  0x00007f877f3fb08d in poll () from /usr/lib/libc.so.6
#1  0x00007f8786087094 in ?? () from /usr/lib/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#2  0x00007f878608719c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f878065eb0b in QEventDispatcherGlib::processEvents (this=0x7f87280008c0, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f87805eb686 in QEventLoop::processEvents (this=0x7f87764f5e20, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:136
#5  0x00007f87805eb969 in QEventLoop::exec (this=0x7f87764f5e20, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:212
#6  0x00007f87803f80fc in QThread::exec (this=0x5b3450) at /ssd/milian/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:507
#7  0x00007f87803f829a in QThread::run (this=0x5b3450) at /ssd/milian/projects/qt5/qtbase/src/corelib/thread/qthread.cpp:574
#8  0x00007f87803feb98 in QThreadPrivate::start (arg=0x5b3450) at /ssd/milian/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:345
#9  0x00007f877feeadd2 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f877f403cdd in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f8776f02700 (LWP 23986)):
#0  0x00007f877f3fb08d in poll () from /usr/lib/libc.so.6
#1  0x00007f877eef76e2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f877eef8d7f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f87797fc6c9 in QXcbEventReader::run (this=0x5957a0)
    at /ssd/milian/projects/qt5/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:983
#4  0x00007f87803feb98 in QThreadPrivate::start (arg=0x5957a0) at /ssd/milian/projects/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:345
#5  0x00007f877feeadd2 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f877f403cdd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f878844e740 (LWP 23869)):
#0  0x00007f8782536376 in WTF::RefPtr<WebCore::FontPlatformDataPrivate>::RefPtr (this=0x6c5c48, o=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WTF/wtf/RefPtr.h:43
#1  0x00007f8782534719 in WebCore::FontPlatformData::FontPlatformData (this=0x6c5c48)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/qt/FontPlatformData.h:80
#2  0x00007f878257b5dd in WebCore::SimpleFontData::SimpleFontData (this=0x6c5c10, platformData=..., isCustomFont=true, isLoading=true, 
    isTextOrientationFallback=false) at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/SimpleFontData.cpp:59
#3  0x00007f878214632e in WebCore::SimpleFontData::create (platformData=..., isCustomFont=true, isLoading=true, 
    isTextOrientationFallback=false) at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/SimpleFontData.h:90
#4  0x00007f8782146fbe in WebCore::CSSFontFaceSource::getFontData (this=0x69d370, fontDescription=..., syntheticBold=false, 
    syntheticItalic=false, fontSelector=0x676550)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/css/CSSFontFaceSource.cpp:185
#5  0x00007f8782130f4c in WebCore::CSSFontFace::getFontData (this=0x697560, fontDescription=..., syntheticBold=false, syntheticItalic=false)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/css/CSSFontFace.cpp:105
#6  0x00007f87821c5982 in WebCore::CSSSegmentedFontFace::getFontData (this=0x69dc70, fontDescription=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/css/CSSSegmentedFontFace.cpp:127
---Type <return> to continue, or q <return> to quit---
#7  0x00007f87821398b1 in WebCore::CSSFontSelector::getFontData (this=0x676550, fontDescription=..., familyName=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/css/CSSFontSelector.cpp:539
#8  0x00007f8782535857 in WebCore::FontCache::getFontData (this=0x6336e0, font=..., familyIndex=@0x6a0c0c: 1, fontSelector=0x676550)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/FontCache.cpp:475
#9  0x00007f8782525e65 in WebCore::FontFallbackList::fontDataAt (this=0x6a0b70, font=0x698488, realizedFontIndex=0)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/FontFallbackList.cpp:108
#10 0x00007f878234430a in WebCore::FontFallbackList::primaryFontData (this=0x6a0b70, f=0x698488)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/FontFallbackList.h:96
#11 0x00007f8782525c1d in WebCore::FontFallbackList::determinePitch (this=0x6a0b70, font=0x698488)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/FontFallbackList.cpp:79
#12 0x00007f8783103b73 in WebCore::FontFallbackList::isFixedPitch (this=0x6a0b70, f=0x698488)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/FontFallbackList.h:73
#13 0x00007f8783103d00 in WebCore::Font::isFixedPitch (this=0x698488)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/graphics/Font.h:333
#14 0x00007f878316cf3e in WebCore::RenderBlock::LineBreaker::nextLineBreak (this=0x7fff567f11d0, resolver=..., lineInfo=..., 
    renderTextInfo=..., lastFloatFromPreviousLine=0x0, consecutiveHyphenatedLines=0, wordMeasurements=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlockLineLayout.cpp:2544
#15 0x00007f8783166d24 in WebCore::RenderBlock::layoutRunsAndFloatsInRange (this=0x678988, layoutState=..., resolver=..., 
    cleanLineStart=..., cleanLineBidiStatus=..., consecutiveHyphenatedLines=0)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlockLineLayout.cpp:1438
#16 0x00007f87831666c9 in WebCore::RenderBlock::layoutRunsAndFloats (this=0x678988, layoutState=..., hasInlineChild=true)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlockLineLayout.cpp:1369
#17 0x00007f8783168b81 in WebCore::RenderBlock::layoutInlineChildren (this=0x678988, relayoutChildren=true, repaintLogicalTop=..., 
    repaintLogicalBottom=...) at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlockLineLayout.cpp:1717
#18 0x00007f878313b31c in WebCore::RenderBlock::layoutBlock (this=0x678988, relayoutChildren=true, pageLogicalHeight=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:1562
#19 0x00007f878313a886 in WebCore::RenderBlock::layout (this=0x678988)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:1390
#20 0x00007f87831404bf in WebCore::RenderBlock::layoutBlockChild (this=0x676cc8, child=0x678988, marginInfo=..., 
    previousFloatLogicalBottom=..., maxFloatLogicalBottom=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:2492
#21 0x00007f878314003f in WebCore::RenderBlock::layoutBlockChildren (this=0x676cc8, relayoutChildren=true, maxFloatLogicalBottom=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:2428
#22 0x00007f878313b33d in WebCore::RenderBlock::layoutBlock (this=0x676cc8, relayoutChildren=true, pageLogicalHeight=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:1564
#23 0x00007f878313a886 in WebCore::RenderBlock::layout (this=0x676cc8)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:1390
#24 0x00007f87831404bf in WebCore::RenderBlock::layoutBlockChild (this=0x61dbf8, child=0x676cc8, marginInfo=..., 
    previousFloatLogicalBottom=..., maxFloatLogicalBottom=...)
---Type <return> to continue, or q <return> to quit---
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:2492
#25 0x00007f878314003f in WebCore::RenderBlock::layoutBlockChildren (this=0x61dbf8, relayoutChildren=true, maxFloatLogicalBottom=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:2428
#26 0x00007f878313b33d in WebCore::RenderBlock::layoutBlock (this=0x61dbf8, relayoutChildren=true, pageLogicalHeight=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:1564
#27 0x00007f878313a886 in WebCore::RenderBlock::layout (this=0x61dbf8)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderBlock.cpp:1390
#28 0x00007f878324a556 in WebCore::RenderView::layoutContent (this=0x61dbf8, state=...)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderView.cpp:140
#29 0x00007f878324ab53 in WebCore::RenderView::layout (this=0x61dbf8)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/rendering/RenderView.cpp:198
#30 0x00007f87824c90f0 in WebCore::FrameView::layout (this=0x61c150, allowSubtree=true)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/page/FrameView.cpp:1196
#31 0x00007f87832de668 in WebCore::Document::implicitClose (this=0x658540)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/dom/Document.cpp:2463
#32 0x00007f87823fd6ad in WebCore::FrameLoader::checkCallImplicitClose (this=0x60c8b8)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/loader/FrameLoader.cpp:830
#33 0x00007f87823fd418 in WebCore::FrameLoader::checkCompleted (this=0x60c8b8)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/loader/FrameLoader.cpp:773
#34 0x00007f87823fd156 in WebCore::FrameLoader::finishedParsing (this=0x60c8b8)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/loader/FrameLoader.cpp:706
#35 0x00007f87832e5663 in WebCore::Document::finishedParsing (this=0x658540)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/dom/Document.cpp:4415
#36 0x00007f878238aa2f in WebCore::HTMLTreeBuilder::finished (this=0x61cc60)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:2703
#37 0x00007f878235d382 in WebCore::HTMLDocumentParser::end (this=0x674230)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/html/parser/HTMLDocumentParser.cpp:377
#38 0x00007f878235d48b in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd (this=0x674230)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/html/parser/HTMLDocumentParser.cpp:386
#39 0x00007f878235c5b3 in WebCore::HTMLDocumentParser::prepareToStopParsing (this=0x674230)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/html/parser/HTMLDocumentParser.cpp:154
#40 0x00007f878235d4ce in WebCore::HTMLDocumentParser::attemptToEnd (this=0x674230)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/html/parser/HTMLDocumentParser.cpp:398
#41 0x00007f878235d585 in WebCore::HTMLDocumentParser::finish (this=0x674230)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/html/parser/HTMLDocumentParser.cpp:425
#42 0x00007f87823f49cd in WebCore::DocumentWriter::end (this=0x647128)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/loader/DocumentWriter.cpp:244
#43 0x00007f87823e3dcd in WebCore::DocumentLoader::finishedLoading (this=0x647080)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/loader/DocumentLoader.cpp:301
---Type <return> to continue, or q <return> to quit---
#44 0x00007f878241ecaf in WebCore::MainResourceLoader::didFinishLoading (this=0x6478f0, finishTime=0)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/loader/MainResourceLoader.cpp:520
#45 0x00007f878242b2b3 in WebCore::ResourceLoader::didFinishLoading (this=0x6478f0, finishTime=0)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/loader/ResourceLoader.cpp:453
#46 0x00007f87826e0e91 in WebCore::QNetworkReplyHandler::finish (this=0x6492e0)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:515
#47 0x00007f87826dfa90 in WebCore::QNetworkReplyHandlerCallQueue::flush (this=0x649318)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:249
#48 0x00007f87826df7b8 in WebCore::QNetworkReplyHandlerCallQueue::push (this=0x649318, 
    method=(void (WebCore::QNetworkReplyHandler::*)(WebCore::QNetworkReplyHandler * const)) 0x7f87826e0cbc <WebCore::QNetworkReplyHandler::finish()>) at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:215
#49 0x00007f87826e07a6 in WebCore::QNetworkReplyWrapper::didReceiveFinished (this=0x63bc20)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/network/qt/QNetworkReplyHandler.cpp:408
#50 0x00007f87826e31e2 in WebCore::QNetworkReplyWrapper::qt_static_metacall (_o=0x63bc20, _c=QMetaObject::InvokeMetaMethod, _id=1, 
    _a=0x7fff567f47d0) at .moc/debug-shared/moc_QNetworkReplyHandler.cpp:175
#51 0x00007f878062e5b7 in QMetaObject::activate (sender=0x5ffc50, signalOffset=7, local_signal_index=1, argv=0x0)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:3479
#52 0x00007f878062de08 in QMetaObject::activate (sender=0x5ffc50, m=0x7f8780fdd640 <QNetworkReply::staticMetaObject>, local_signal_index=1, 
    argv=0x0) at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:3354
#53 0x00007f8780f6219f in QNetworkReply::finished (this=0x5ffc50) at .moc/debug-shared/moc_qnetworkreply.cpp:297
#54 0x00007f8780f61d44 in QNetworkReply::qt_static_metacall (_o=0x5ffc50, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x63b440)
    at .moc/debug-shared/moc_qnetworkreply.cpp:183
#55 0x00007f8780626da5 in QMetaCallEvent::placeMetaCall (this=0x63b960, object=0x5ffc50)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:479
#56 0x00007f8780627c92 in QObject::event (this=0x5ffc50, e=0x63b960) at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qobject.cpp:1070
#57 0x00007f878119c328 in QApplicationPrivate::notify_helper (this=0x579d70, receiver=0x5ffc50, e=0x63b960)
    at /ssd/milian/projects/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3457
#58 0x00007f8781199ac4 in QApplication::notify (this=0x572db0, receiver=0x5ffc50, e=0x63b960)
    at /ssd/milian/projects/qt5/qtbase/src/widgets/kernel/qapplication.cpp:2878
#59 0x00007f87805ee926 in QCoreApplication::notifyInternal (this=0x572db0, receiver=0x5ffc50, event=0x63b960)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:867
#60 0x00007f87805f248b in QCoreApplication::sendEvent (receiver=0x5ffc50, event=0x63b960)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.h:232
#61 0x00007f87805efc6f in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x579ee0)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1471
#62 0x00007f87805ef61f in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1329
#63 0x00007f878065e363 in postEventSourceDispatch (s=0x585980)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:279
---Type <return> to continue, or q <return> to quit---
#64 0x00007f8786086da6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#65 0x00007f87860870f8 in ?? () from /usr/lib/libglib-2.0.so.0
#66 0x00007f878608719c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#67 0x00007f878065eb0b in QEventDispatcherGlib::processEvents (this=0x57c170, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:426
#68 0x00007f877982bc10 in QPAEventDispatcherGlib::processEvents (this=0x57c170, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:123
#69 0x00007f87805eb686 in QEventLoop::processEvents (this=0x7fff567f5630, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:136
#70 0x00007f87805eb969 in QEventLoop::exec (this=0x7fff567f5630, flags=...)
    at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:212
#71 0x00007f87805ef002 in QCoreApplication::exec () at /ssd/milian/projects/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1120
#72 0x00007f87826ed4fc in WebCore::RunLoop::run ()
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebCore/platform/qt/RunLoopQt.cpp:69
#73 0x00007f8781f6c750 in WebKit::WebProcessMainQt (app=0x572db0)
    at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebKit2/WebProcess/qt/WebProcessMainQt.cpp:195
#74 0x00000000004011c8 in main (argc=2, argv=0x7fff567f5a58) at /ssd/milian/projects/qt5/qtwebkit-gitorious/Source/WebKit2/qt/MainQt.cpp:100


for a valgrind log and bt full, see http://paste.kde.org/p9b641be0/ (was too long for the bugtracker).

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