Bug 349300

Application: systemsettings5 (5.3.1)

Qt Version: 5.4.2
Operating System: Linux 4.0.4-303.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
- What I was doing when the application crashed: System settings crashes when tryhing to load the application style/window decorations.

- Custom settings of the application: This behavior started after installing a new decoration.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f646995c840 (LWP 4775))]

Thread 4 (Thread 0x7f6462990700 (LWP 4776)):
#0  0x0000003c54ef666d in poll () at /lib64/libc.so.6
#1  0x0000003c5820a182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x0000003c5820bd07 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f64630159b9 in QXcbEventReader::run() () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x000000371149fe3e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x0000003c54a07555 in start_thread () at /lib64/libpthread.so.0
#6  0x0000003c54f01f3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f6458450700 (LWP 4779)):
#0  0x0000003c54ef22ed in read () at /lib64/libc.so.6
#1  0x0000003c5668db00 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x0000003c566498b4 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x0000003c56649d60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x0000003c56649ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00000037116d6b8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x000000371167ceba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x000000371149af54 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00000037144c3955 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9  0x000000371149fe3e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x0000003c54a07555 in start_thread () at /lib64/libpthread.so.0
#11 0x0000003c54f01f3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f64554e8700 (LWP 4780)):
#0  0x0000003c54ef666d in poll () at /lib64/libc.so.6
#1  0x0000003c56649dbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x0000003c56649ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00000037116d6b8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x000000371167ceba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x000000371149af54 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00000037144c3955 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x000000371149fe3e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x0000003c54a07555 in start_thread () at /lib64/libpthread.so.0
#9  0x0000003c54f01f3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f646995c840 (LWP 4775)):
[KCrash Handler]
#5  0x0000000000000040 in  ()
#6  0x00007f64588729a1 in KDecoration2::Decoration::update(QRect const&) () at /lib64/libkdecorations2.so.5
#7  0x00007f6458872a08 in KDecoration2::Decoration::update() () at /lib64/libkdecorations2.so.5
#8  0x00007f6455c73880 in Breeze::Decoration::setOpacity(double) () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so
#9  0x00007f6455c93cc8 in Breeze::Decoration::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so
#10 0x0000003711480e9a in QPropertyAnimation::updateCurrentValue(QVariant const&) () at /lib64/libQt5Core.so.5
#11 0x000000371147cea8 in QVariantAnimationPrivate::setCurrentValueForProgress(double) () at /lib64/libQt5Core.so.5
#12 0x000000371147d5a7 in QVariantAnimationPrivate::recalculateCurrentInterval(bool) () at /lib64/libQt5Core.so.5
#13 0x0000003711479fbf in QAbstractAnimation::setCurrentTime(int) () at /lib64/libQt5Core.so.5
#14 0x000000371147a2bd in QUnifiedTimer::updateAnimationTimers(long long) () at /lib64/libQt5Core.so.5
#15 0x00000037144fd2c9 in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () at /lib64/libQt5Qml.so.5
#16 0x000000371640deb5 in QQuickListViewPrivate::updateHighlight() () at /lib64/libQt5Quick.so.5
#17 0x0000003716460ec4 in QQuickItemViewPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#18 0x0000003716415a63 in QQuickListViewPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#19 0x000000371637799a in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#20 0x000000371637bc86 in QQuickItem::setWidth(double) () at /lib64/libQt5Quick.so.5
#21 0x0000003716388067 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libQt5Quick.so.5
#22 0x0000003714441ef5 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::ValueRef, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#23 0x00000037144b340c in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#24 0x00000037144b3b6e in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () at /lib64/libQt5Qml.so.5
#25 0x000000371448df57 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib64/libQt5Qml.so.5
#26 0x000000371448df1e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib64/libQt5Qml.so.5
#27 0x000000371442db7c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#28 0x00000037116af980 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#29 0x0000003716377a28 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#30 0x000000371640ca8c in QQuickFlickable::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#31 0x000000371637c784 in QQuickItem::setSize(QSizeF const&) () at /lib64/libQt5Quick.so.5
#32 0x00000037163728f6 in QQuickAnchorsPrivate::fillChanged() () at /lib64/libQt5Quick.so.5
#33 0x0000003716374712 in QQuickAnchorsPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#34 0x000000371637799a in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#35 0x000000371637c784 in QQuickItem::setSize(QSizeF const&) () at /lib64/libQt5Quick.so.5
#36 0x00000037163728f6 in QQuickAnchorsPrivate::fillChanged() () at /lib64/libQt5Quick.so.5
#37 0x0000003716374712 in QQuickAnchorsPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#38 0x000000371637799a in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#39 0x000000371637c784 in QQuickItem::setSize(QSizeF const&) () at /lib64/libQt5Quick.so.5
#40 0x00000037163728f6 in QQuickAnchorsPrivate::fillChanged() () at /lib64/libQt5Quick.so.5
#41 0x0000003716374712 in QQuickAnchorsPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#42 0x000000371637799a in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#43 0x000000371637c784 in QQuickItem::setSize(QSizeF const&) () at /lib64/libQt5Quick.so.5
#44 0x00000037163728f6 in QQuickAnchorsPrivate::fillChanged() () at /lib64/libQt5Quick.so.5
#45 0x0000003716374712 in QQuickAnchorsPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#46 0x000000371637799a in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#47 0x000000371637c784 in QQuickItem::setSize(QSizeF const&) () at /lib64/libQt5Quick.so.5
#48 0x00000037163728f6 in QQuickAnchorsPrivate::fillChanged() () at /lib64/libQt5Quick.so.5
#49 0x0000003716374712 in QQuickAnchorsPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#50 0x000000371637799a in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#51 0x000000371637c784 in QQuickItem::setSize(QSizeF const&) () at /lib64/libQt5Quick.so.5
#52 0x00007f6456c914c4 in QQuickGridLayoutItem::setGeometry(QRectF const&) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#53 0x0000003711fbc12a in QGridLayoutEngine::setGeometries(QRectF const&, QAbstractLayoutStyleInfo const*) () at /lib64/libQt5Gui.so.5
#54 0x00007f6456c9091e in QQuickGridLayoutBase::rearrange(QSizeF const&) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#55 0x00007f6456c911e7 in QQuickGridLayoutBase::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#56 0x000000371637c784 in QQuickItem::setSize(QSizeF const&) () at /lib64/libQt5Quick.so.5
#57 0x00000037163728f6 in QQuickAnchorsPrivate::fillChanged() () at /lib64/libQt5Quick.so.5
#58 0x0000003716374712 in QQuickAnchorsPrivate::itemGeometryChanged(QQuickItem*, QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#59 0x000000371637799a in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /lib64/libQt5Quick.so.5
#60 0x000000371637bff6 in QQuickItem::setHeight(double) () at /lib64/libQt5Quick.so.5
#61 0x000000371643c867 in QQuickViewPrivate::updateSize() () at /lib64/libQt5Quick.so.5
#62 0x000000371643e162 in QQuickView::resizeEvent(QResizeEvent*) () at /lib64/libQt5Quick.so.5
#63 0x0000003711cee145 in QWindow::event(QEvent*) () at /lib64/libQt5Gui.so.5
#64 0x0000003716399843 in QQuickWindow::event(QEvent*) () at /lib64/libQt5Quick.so.5
#65 0x00000037125527ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#66 0x0000003712557e90 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#67 0x000000371167f67b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#68 0x0000003711ce6d81 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /lib64/libQt5Gui.so.5
#69 0x0000003711ce7a0d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5
#70 0x0000003711cccde8 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5
#71 0x00007f6463042600 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#72 0x0000003c56649a8a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#73 0x0000003c56649e20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#74 0x0000003c56649ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#75 0x00000037116d6b6f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#76 0x000000371167ceba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#77 0x0000003711684a2c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#78 0x000000000040eb2c in main ()

Reported using DrKonqi