Bug 334540

Application: konqueror (4.12.4)
KDE Platform Version: 4.12.5
Qt Version: 4.8.6
Operating System: Linux 3.14.2-200.fc20.i686+PAE i686
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed: I was attempting to open a web page through a link that was supplied in an e-mail. The details should be in the dump.

The crash can be reproduced every time.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb6850a80 (LWP 5053))]

Thread 3 (Thread 0xb3552b40 (LWP 5055)):
#0  0xb772d424 in __kernel_vsyscall ()
#1  0x4674d3eb in poll () from /lib/libc.so.6
#2  0x46c7af9c in g_poll () from /lib/libglib-2.0.so.0
#3  0x46c6b8a0 in g_main_context_iterate.isra.23 () from /lib/libglib-2.0.so.0
#4  0x46c6b9e9 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x4751128f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#6  0x474ddea0 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#7  0x474de231 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#8  0x473bf0e5 in QThread::exec() () from /lib/libQtCore.so.4
#9  0x473bf24c in QThread::run() () from /lib/libQtCore.so.4
#10 0x473c1beb in QThreadPrivate::start(void*) () from /lib/libQtCore.so.4
#11 0x4682fd8a in start_thread () from /lib/libpthread.so.0
#12 0x46759a0e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xb2678b40 (LWP 5056)):
#0  0xb772d424 in __kernel_vsyscall ()
#1  0x468337ac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x4cf00c44 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /lib/sse2/libQtWebKit.so.4
#3  0x4cbc78dc in JSC::BlockAllocator::blockFreeingThreadMain() () from /lib/sse2/libQtWebKit.so.4
#4  0x4cee3139 in WTF::threadEntryPoint(void*) () from /lib/sse2/libQtWebKit.so.4
#5  0x4cf0056a in WTF::wtfThreadEntryPoint(void*) () from /lib/sse2/libQtWebKit.so.4
#6  0x4682fd8a in start_thread () from /lib/libpthread.so.0
#7  0x46759a0e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb6850a80 (LWP 5053)):
[KCrash Handler]
#6  0x4c4a3026 in WebCore::WebGLRenderingContext::initVertexAttrib0() () from /lib/sse2/libQtWebKit.so.4
#7  0x4c4ab765 in WebCore::WebGLRenderingContext::initializeNewContext() () from /lib/sse2/libQtWebKit.so.4
#8  0x4c4abc6e in WebCore::WebGLRenderingContext::WebGLRenderingContext(WebCore::HTMLCanvasElement*, WTF::PassRefPtr<WebCore::GraphicsContext3D>, WebCore::GraphicsContext3D::Attributes) () from /lib/sse2/libQtWebKit.so.4
#9  0x4c4ac25a in WebCore::WebGLRenderingContext::create(WebCore::HTMLCanvasElement*, WebCore::WebGLContextAttributes*) () from /lib/sse2/libQtWebKit.so.4
#10 0x4bc25afc in WebCore::HTMLCanvasElement::getContext(WTF::String const&, WebCore::CanvasContextAttributes*) () from /lib/sse2/libQtWebKit.so.4
#11 0x4b8a4b9a in WebCore::JSHTMLCanvasElement::getContext(JSC::ExecState*) () from /lib/sse2/libQtWebKit.so.4
#12 0x4c6f67de in WebCore::jsHTMLCanvasElementPrototypeFunctionGetContext(JSC::ExecState*) () from /lib/sse2/libQtWebKit.so.4
#13 0xb1a1848f in ?? ()
#14 0x4ccbb9e7 in JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) () from /lib/sse2/libQtWebKit.so.4
#15 0x4cdd06e3 in JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) () from /lib/sse2/libQtWebKit.so.4
#16 0x4b8d8d74 in WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*) () from /lib/sse2/libQtWebKit.so.4
#17 0x4b8d90d6 in WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) () from /lib/sse2/libQtWebKit.so.4
#18 0x4bafd556 in WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) () from /lib/sse2/libQtWebKit.so.4
#19 0x4bccf0d5 in WebCore::HTMLScriptRunner::executePendingScriptAndDispatchEvent(WebCore::PendingScript&) () from /lib/sse2/libQtWebKit.so.4
#20 0x4bccf817 in WebCore::HTMLScriptRunner::executeParsingBlockingScript() () from /lib/sse2/libQtWebKit.so.4
#21 0x4bccfc38 in WebCore::HTMLScriptRunner::executeParsingBlockingScripts() () from /lib/sse2/libQtWebKit.so.4
#22 0x4bcb6f1e in WebCore::HTMLDocumentParser::executeScriptsWaitingForStylesheets() () from /lib/sse2/libQtWebKit.so.4
#23 0x4ba94dba in WebCore::Document::didRemoveAllPendingStylesheet() () from /lib/sse2/libQtWebKit.so.4
#24 0x4baa0674 in WebCore::DocumentStyleSheetCollection::removePendingSheet(WebCore::DocumentStyleSheetCollection::RemovePendingSheetNotificationType) () from /lib/sse2/libQtWebKit.so.4
#25 0x4bc5391d in WebCore::HTMLLinkElement::removePendingSheet(WebCore::HTMLLinkElement::RemovePendingSheetNotificationType) () from /lib/sse2/libQtWebKit.so.4
#26 0x4bc5398b in WebCore::HTMLLinkElement::sheetLoaded() () from /lib/sse2/libQtWebKit.so.4
#27 0x4ba5643b in WebCore::StyleSheetContents::checkLoaded() () from /lib/sse2/libQtWebKit.so.4
#28 0x4bc54410 in WebCore::HTMLLinkElement::setCSSStyleSheet(WTF::String const&, WebCore::KURL const&, WTF::String const&, WebCore::CachedCSSStyleSheet const*) () from /lib/sse2/libQtWebKit.so.4
#29 0x4bdf268e in WebCore::CachedCSSStyleSheet::checkNotify() () from /lib/sse2/libQtWebKit.so.4
#30 0x4bdf239f in WebCore::CachedCSSStyleSheet::data(WTF::PassRefPtr<WebCore::ResourceBuffer>, bool) () from /lib/sse2/libQtWebKit.so.4
#31 0x4be69c08 in WebCore::SubresourceLoader::didFinishLoading(double) () from /lib/sse2/libQtWebKit.so.4
#32 0x4be5c73c in WebCore::ResourceLoader::didFinishLoading(WebCore::ResourceHandle*, double) () from /lib/sse2/libQtWebKit.so.4
#33 0x4c1eb070 in WebCore::QNetworkReplyHandler::finish() () from /lib/sse2/libQtWebKit.so.4
#34 0x4c1eabe8 in WebCore::QNetworkReplyHandlerCallQueue::flush() [clone .part.55] () from /lib/sse2/libQtWebKit.so.4
#35 0x4c1eac3b in WebCore::QNetworkReplyHandlerCallQueue::push(void (WebCore::QNetworkReplyHandler::*)()) () from /lib/sse2/libQtWebKit.so.4
#36 0x4c1eacda in WebCore::QNetworkReplyWrapper::didReceiveFinished() () from /lib/sse2/libQtWebKit.so.4
#37 0x474f5395 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQtCore.so.4
#38 0x479049c6 in QNetworkReply::finished() () from /lib/libQtNetwork.so.4
#39 0x47904c70 in QNetworkReply::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.0] () from /lib/libQtNetwork.so.4
#40 0x474e835a in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () from /lib/libQtCore.so.4
#41 0x474eab74 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from /lib/libQtCore.so.4
#42 0xb72854b9 in KDEPrivate::AccessManagerReply::emitFinished(bool, Qt::ConnectionType) () from /lib/libkio.so.5
#43 0xb7287590 in KDEPrivate::AccessManagerReply::slotResult(KJob*) () from /lib/libkio.so.5
#44 0xb72880f9 in KDEPrivate::AccessManagerReply::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.11] () from /lib/libkio.so.5
#45 0x474f5395 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQtCore.so.4
#46 0xb6abf25a in KJob::result(KJob*) () from /lib/libkdecore.so.5
#47 0xb6abf2c3 in KJob::emitResult() () from /lib/libkdecore.so.5
#48 0xb72cbfb7 in KIO::SimpleJob::slotFinished() () from /lib/libkio.so.5
#49 0xb72cd662 in KIO::TransferJob::slotFinished() () from /lib/libkio.so.5
#50 0xb72ce398 in KIO::TransferJob::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.72] () from /lib/libkio.so.5
#51 0x474f5395 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQtCore.so.4
#52 0xb7382d06 in KIO::SlaveInterface::finished() () from /lib/libkio.so.5
#53 0xb7384e70 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /lib/libkio.so.5
#54 0xb7381a0b in KIO::SlaveInterface::dispatch() () from /lib/libkio.so.5
#55 0xb7374158 in KIO::Slave::gotInput() () from /lib/libkio.so.5
#56 0xb7374304 in KIO::Slave::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib/libkio.so.5
#57 0x474f5395 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQtCore.so.4
#58 0xb728fde6 in KIO::Connection::readyRead() () from /lib/libkio.so.5
#59 0xb72905f8 in KIO::ConnectionPrivate::dequeue() [clone .part.11] () from /lib/libkio.so.5
#60 0x474f193b in QMetaCallEvent::placeMetaCall(QObject*) () from /lib/libQtCore.so.4
#61 0x474f9c7b in QObject::event(QEvent*) () from /lib/libQtCore.so.4
#62 0x47e71c04 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/libQtGui.so.4
#63 0x47e78b59 in QApplication::notify(QObject*, QEvent*) () from /lib/libQtGui.so.4
#64 0xb6e8ece0 in KApplication::notify(QObject*, QEvent*) () from /lib/libkdeui.so.5
#65 0x474df5f6 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib/libQtCore.so.4
#66 0x474e2b5a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/libQtCore.so.4
#67 0x474e305d in QCoreApplication::sendPostedEvents(QObject*, int) () from /lib/libQtCore.so.4
#68 0x47511adf in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib/libQtCore.so.4
#69 0x46c6b556 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#70 0x46c6b920 in g_main_context_iterate.isra.23 () from /lib/libglib-2.0.so.0
#71 0x46c6b9e9 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#72 0x47511270 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#73 0x47f2837c in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtGui.so.4
#74 0x474ddea0 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#75 0x474de231 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#76 0x474e406b in QCoreApplication::exec() () from /lib/libQtCore.so.4
#77 0x47e6ff15 in QApplication::exec() () from /lib/libQtGui.so.4
#78 0xb76e1b3a in kdemain () from /lib/libkdeinit4_konqueror.so
#79 0x0804872c in main ()

Possible duplicates by query: bug 329521.

Reported using DrKonqi