Application: systemsettings5 (5.8.5)

Qt Version: 5.8.0
Frameworks Version: 5.30.0
Operating System: Linux 4.9.7-1-MANJARO x86_64
Distribution: "Manjaro Linux"

-- Information about the crash:
- What I was doing when the application crashed: I was clicking back button after applying changes to windows decoration

- Unusual behavior I noticed:

The crash can be reproduced sometimes.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7faf2f7b9580 (LWP 2338))]

Thread 5 (Thread 0x7faefc711700 (LWP 2345)):
#0  0x00007faf2b4654ed in read () from /usr/lib/libc.so.6
#1  0x00007faf25558a10 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007faf25514235 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0x00007faf25514724 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007faf2551489c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007faf2bd8f46b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007faf2bd38c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007faf2bb5aa73 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007faf29e3f025 in ?? () from /usr/lib/libQt5Qml.so.5
#9  0x00007faf2bb5f6d8 in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007faf27459454 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007faf2b4727df in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7faf08c29700 (LWP 2342)):
#0  0x00007faf2745f10f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007faf10e009eb in ?? () from /usr/lib/xorg/modules/dri/r600_dri.so
#2  0x00007faf10e00847 in ?? () from /usr/lib/xorg/modules/dri/r600_dri.so
#3  0x00007faf27459454 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007faf2b4727df in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7faf13461700 (LWP 2341)):
#0  0x00007faf2b46948d in poll () from /usr/lib/libc.so.6
#1  0x00007faf25514786 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007faf2551489c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007faf2bd8f46b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007faf2bd38c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007faf2bb5aa73 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007faf2c6b8125 in ?? () from /usr/lib/libQt5DBus.so.5
#7  0x00007faf2bb5f6d8 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007faf27459454 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007faf2b4727df in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7faf1ba29700 (LWP 2340)):
#0  0x00007faf2b46948d in poll () from /usr/lib/libc.so.6
#1  0x00007faf27cee8e0 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007faf27cf0679 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007faf1dfbc239 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007faf2bb5f6d8 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007faf27459454 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007faf2b4727df in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7faf2f7b9580 (LWP 2338)):
[KCrash Handler]
#6  0x00007faf29cff675 in QV4::WeakValue::free() () from /usr/lib/libQt5Qml.so.5
#7  0x00007faf29d74610 in QV4::QObjectWrapper::destroyObject(bool) () from /usr/lib/libQt5Qml.so.5
#8  0x00007faf29c031ad in QV4::MemoryManager::sweep(bool) () from /usr/lib/libQt5Qml.so.5
#9  0x00007faf29c045dc in QV4::MemoryManager::~MemoryManager() () from /usr/lib/libQt5Qml.so.5
#10 0x00007faf29cecf9a in QV4::ExecutionEngine::~ExecutionEngine() () from /usr/lib/libQt5Qml.so.5
#11 0x00007faf29e41612 in QV8Engine::~QV8Engine() () from /usr/lib/libQt5Qml.so.5
#12 0x00007faf29e41739 in QV8Engine::~QV8Engine() () from /usr/lib/libQt5Qml.so.5
#13 0x00007faf29c821e6 in QJSEngine::~QJSEngine() () from /usr/lib/libQt5Qml.so.5
#14 0x00007faf29da091d in QQmlEngine::~QQmlEngine() () from /usr/lib/libQt5Qml.so.5
#15 0x00007faf29da09d9 in QQmlEngine::~QQmlEngine() () from /usr/lib/libQt5Qml.so.5
#16 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#17 0x00007faf2bd6e16f in QObject::~QObject() () from /usr/lib/libQt5Core.so.5
#18 0x00007faf2a343444 in QQuickWindow::~QQuickWindow() () from /usr/lib/libQt5Quick.so.5
#19 0x00007faf2a3c7769 in QQuickView::~QQuickView() () from /usr/lib/libQt5Quick.so.5
#20 0x00007faf2d95a5e5 in QWindowContainer::~QWindowContainer() () from /usr/lib/libQt5Widgets.so.5
#21 0x00007faf2d95a609 in QWindowContainer::~QWindowContainer() () from /usr/lib/libQt5Widgets.so.5
#22 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#23 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#24 0x00007faf2d938929 in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#25 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#26 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#27 0x00007faf2d938929 in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#28 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#29 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#30 0x00007faf2da86109 in QStackedWidget::~QStackedWidget() () from /usr/lib/libQt5Widgets.so.5
#31 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#32 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#33 0x00007faf2da93189 in QTabWidget::~QTabWidget() () from /usr/lib/libQt5Widgets.so.5
#34 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#35 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#36 0x00007faf052890ae in ?? () from /usr/lib/qt/plugins/kcm_kwindecoration.so
#37 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#38 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#39 0x00007faf052849c1 in ?? () from /usr/lib/qt/plugins/kcm_kwindecoration.so
#40 0x00007faf2f231004 in KCModuleProxy::deleteClient() () from /usr/lib/libKF5KCMUtils.so.5
#41 0x00007faf2f23151c in KCModuleProxy::~KCModuleProxy() () from /usr/lib/libKF5KCMUtils.so.5
#42 0x00007faf2f2316d9 in KCModuleProxy::~KCModuleProxy() () from /usr/lib/libKF5KCMUtils.so.5
#43 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#44 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#45 0x00007faf2d938929 in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#46 0x00007faf2bd64811 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#47 0x00007faf2d93863b in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#48 0x00007faf2dab1379 in QScrollArea::~QScrollArea() () from /usr/lib/libQt5Widgets.so.5
#49 0x00007faf2e10ab1b in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib/libKF5WidgetsAddons.so.5
#50 0x00007faf2e10b654 in ?? () from /usr/lib/libKF5WidgetsAddons.so.5
#51 0x00007faf2e10c2aa in KPageWidgetModel::removePage(KPageWidgetItem*) () from /usr/lib/libKF5WidgetsAddons.so.5
#52 0x00007faf2f47451d in ModuleView::closeModules() () from /usr/lib/libsystemsettingsview.so.3
#53 0x00007faf068392ce in ?? () from /usr/lib/qt/plugins/icon_mode.so
#54 0x00007faf2bd66149 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#55 0x00007faf2d8eec92 in QAction::triggered(bool) () from /usr/lib/libQt5Widgets.so.5
#56 0x00007faf2d8f13f0 in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQt5Widgets.so.5
#57 0x00007faf2d9df2ed in ?? () from /usr/lib/libQt5Widgets.so.5
#58 0x00007faf2d9df524 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#59 0x00007faf2daab71a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#60 0x00007faf2d93ccd8 in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#61 0x00007faf2daab7f9 in QToolButton::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#62 0x00007faf2d8f534c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#63 0x00007faf2d8fd8c5 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#64 0x00007faf2bd3a840 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#65 0x00007faf2d8fc0cd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQt5Widgets.so.5
#66 0x00007faf2d9573e6 in ?? () from /usr/lib/libQt5Widgets.so.5
#67 0x00007faf2d959e03 in ?? () from /usr/lib/libQt5Widgets.so.5
#68 0x00007faf2d8f534c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#69 0x00007faf2d8fcb61 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#70 0x00007faf2bd3a840 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#71 0x00007faf2d15bd53 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5
#72 0x00007faf2d15d8c5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5
#73 0x00007faf2d13944b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5
#74 0x00007faf1e01c9e0 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#75 0x00007faf25514587 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#76 0x00007faf255147f0 in ?? () from /usr/lib/libglib-2.0.so.0
#77 0x00007faf2551489c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#78 0x00007faf2bd8f44f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#79 0x00007faf2bd38c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#80 0x00007faf2bd411e4 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#81 0x000000000040c0b0 in ?? ()
#82 0x00007faf2b3aa291 in __libc_start_main () from /usr/lib/libc.so.6
#83 0x000000000040c12a in _start ()

Possible duplicates by query: bug 375935, bug 375925, bug 375903, bug 375891, bug 375832.

Reported using DrKonqi