Application: systemsettings5 (5.9.1)
 (Compiled from sources)
Qt Version: 5.7.1
Frameworks Version: 5.30.0
Operating System: Linux 4.9.8-cova x86_64
Distribution: "Gentoo Base System release 2.3"

-- Information about the crash:
- What I was doing when the application crashed:
I was browsing thru the settings; hitting "back" arrow caused the crash

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation fault
[KCrash Handler]
#6  0x00007d26c62c0055 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007d26c639aa8a in QV4::WeakValue::free() () from /usr/lib64/libQt5Qml.so.5
#8  0x00007d26c6338092 in QV4::QObjectWrapper::destroyObject(bool) () from /usr/lib64/libQt5Qml.so.5
#9  0x00007d26c62c723c in QV4::MemoryManager::sweep(bool) () from /usr/lib64/libQt5Qml.so.5
#10 0x00007d26c62c7c9c in QV4::MemoryManager::~MemoryManager() () from /usr/lib64/libQt5Qml.so.5
#11 0x00007d26c63a7c9c in QV4::ExecutionEngine::~ExecutionEngine() () from /usr/lib64/libQt5Qml.so.5
#12 0x00007d26c63db823 in QV8Engine::~QV8Engine() () from /usr/lib64/libQt5Qml.so.5
#13 0x00007d26c63db8b9 in QV8Engine::~QV8Engine() () from /usr/lib64/libQt5Qml.so.5
#14 0x00007d26c62f9e46 in QJSEngine::~QJSEngine() () from /usr/lib64/libQt5Qml.so.5
#15 0x00007d26c63771d5 in QQmlEngine::~QQmlEngine() () from /usr/lib64/libQt5Qml.so.5
#16 0x00007d26c6377209 in QQmlEngine::~QQmlEngine() () from /usr/lib64/libQt5Qml.so.5
#17 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#18 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#19 0x00007d26cab1f689 in QQuickWidget::~QQuickWidget() () from /usr/lib64/libQt5QuickWidgets.so.5
#20 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#21 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#22 0x00007d26c8bd4209 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#23 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#24 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#25 0x00007d26c8ca08b9 in QStackedWidget::~QStackedWidget() () from /usr/lib64/libQt5Widgets.so.5
#26 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#27 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#28 0x00007d26c8c9faa9 in QTabWidget::~QTabWidget() () from /usr/lib64/libQt5Widgets.so.5
#29 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#30 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#31 0x00007d2682e74e5e in ?? () from /usr/lib64/qt5/plugins/screenlocker_kcm.so
#32 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#33 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#34 0x00007d26c9812b2d in KCModule::~KCModule() () from /usr/lib64/libKF5ConfigWidgets.so.5
#35 0x00007d2682e73bda in ?? () from /usr/lib64/qt5/plugins/screenlocker_kcm.so
#36 0x00007d26ca1b1d04 in KCModuleProxy::deleteClient() () from /usr/lib64/libKF5KCMUtils.so.5
#37 0x00007d26ca1b28b6 in KCModuleProxy::~KCModuleProxy() () from /usr/lib64/libKF5KCMUtils.so.5
#38 0x00007d26ca1b2969 in KCModuleProxy::~KCModuleProxy() () from /usr/lib64/libKF5KCMUtils.so.5
#39 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#40 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#41 0x00007d26c8bd4209 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#42 0x00007d26c78d0f89 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#43 0x00007d26c8bd3f16 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#44 0x00007d26c8bebbc9 in QScrollArea::~QScrollArea() () from /usr/lib64/libQt5Widgets.so.5
#45 0x00007d26c911875f in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib64/libKF5WidgetsAddons.so.5
#46 0x00007d26c91187e9 in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib64/libKF5WidgetsAddons.so.5
#47 0x00007d26c9118dbb in ?? () from /usr/lib64/libKF5WidgetsAddons.so.5
#48 0x00007d26c911b159 in KPageWidgetModel::removePage(KPageWidgetItem*) () from /usr/lib64/libKF5WidgetsAddons.so.5
#49 0x00007d26ca3dd1ed in ModuleView::closeModules() () from /usr/lib64/libsystemsettingsview.so.3
#50 0x00007d26a7e6434e in ?? () from /usr/lib64/qt5/plugins/icon_mode.so
#51 0x00007d26c7832507 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#52 0x00007d26c8e7bb42 in QAction::triggered(bool) () from /usr/lib64/libQt5Widgets.so.5
#53 0x00007d26c8e81708 in QAction::activate(QAction::ActionEvent) () from /usr/lib64/libQt5Widgets.so.5
#54 0x00007d26c8e213ae in ?? () from /usr/lib64/libQt5Widgets.so.5
#55 0x00007d26c8c86bf4 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5
#56 0x00007d26c8bddc1a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5
#57 0x00007d26c8c5da1f in QWidget::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#58 0x00007d26c8bfc049 in QToolButton::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#59 0x00007d26c8e8841c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#60 0x00007d26c8e8e3b8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#61 0x00007d26c7849fea in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#62 0x00007d26c8e909d1 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/libQt5Widgets.so.5
#63 0x00007d26c8c5bb01 in ?? () from /usr/lib64/libQt5Widgets.so.5
#64 0x00007d26c8e8841c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#65 0x00007d26c8e8db8e in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#66 0x00007d26c7849fea in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#67 0x00007d26c8702acb in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib64/libQt5Gui.so.5
#68 0x00007d26c87059e5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib64/libQt5Gui.so.5
#69 0x00007d26c8705d1b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Gui.so.5
#70 0x00007d26bd43c6b0 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#71 0x00007d26c2f78127 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#72 0x00007d26c2f68f28 in ?? () from /usr/lib64/libglib-2.0.so.0
#73 0x00007d26c2f75e7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#74 0x00007d26c783400f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#75 0x00007d26c784e7fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#76 0x00007d26c784ea7c in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#77 0x000000000040c153 in ?? ()
#78 0x00007d26ca603670 in __libc_start_main () from /lib64/libc.so.6
#79 0x000000000040c1c9 in _start ()

Possible duplicates by query: bug 376166, bug 376152, bug 376135, bug 376133, bug 376078.

Reported using DrKonqi