139499 2014-12-10 11:50:00 -0800 SIGSEGV in QtMIMETypeSniffer 2014-12-10 16:01:22 -0800 1 1 1 Unclassified WebKit DOM 420+ PC Linux RESOLVED INVALID P2 Normal --- 1 pawel.krawczyk webkit-unassigned ap pawel.krawczyk oldest_to_newest 1054256 0 pawel.krawczyk 2014-12-10 11:50:00 -0800 While loading this page http://www.aleqt.com/2014/11/28/article_910177.html I get SIGSEGV with the following stack trace: #0 0x00007fcf592fa787 in QtMIMETypeSniffer::~QtMIMETypeSniffer() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 (gdb) bt #0 0x00007fcf592fa787 in QtMIMETypeSniffer::~QtMIMETypeSniffer() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #1 0x00007fcf582d0a0c in WebCore::JSNodeOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void*, JSC::SlotVisitor&) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #2 0x00007fcf593fbfea in JSC::WeakBlock::visit(JSC::HeapRootVisitor&) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #3 0x00007fcf5940d4ab in JSC::MarkedSpace::visitWeakSets(JSC::HeapRootVisitor&) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #4 0x00007fcf593ff086 in JSC::Heap::markRoots(bool) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #5 0x00007fcf59403e85 in JSC::Heap::collect(JSC::Heap::SweepToggle) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #6 0x00007fcf595f2492 in JSC::DefaultGCActivityCallback::doWork() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #7 0x00007fcf594071b9 in JSC::HeapTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4 #8 0x00007fcf5fe1ca31 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #9 0x00007fcf5d6c4e2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #10 0x00007fcf5d6cb4a0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #11 0x00007fcf5e396c5e in ?? () from /usr/lib/python2.7/dist-packages/PySide/QtGui.so #12 0x00007fcf5fe044dd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #13 0x00007fcf5fe34323 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #14 0x00007fcf5fe315f1 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #15 0x00007fcf5f4a4e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #16 0x00007fcf5f4a5048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #17 0x00007fcf5f4a50ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #18 0x00007fcf5fe317a1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #19 0x00007fcf5d766bb6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #20 0x00007fcf5fe0801f in QCoreApplication::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #21 0x00007fcf60bc72c2 in ?? () from /usr/lib/python2.7/dist-packages/PySide/QtCore.so #22 0x000000000052c6d5 in PyEval_EvalFrameEx () QtWebKit is interfaced via PySide library using the following script: from ghost import Ghost g=Ghost() g.open('http://www.aleqt.com/2014/11/28/article_910177.html') Library version: libqtwebkit4:amd64 2.3.2-0ubuntu7 python-pyside 1.2.1-4build1 1054337 1 ap 2014-12-10 16:01:22 -0800 Thank you for the report! The Qt port is no longer part of webkit.org, so we cannot track its bugs here.