Application: systemsettings5 (5.11.5)

Qt Version: 5.10.0
Frameworks Version: 5.42.0
Operating System: Linux 4.14.15-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:

I was searching for a configuration on the system settings app. 
I had just logged out and logged in after changing a window behavior setting:
System Settings-->Window Management-->Window Behavior-->Focus tab
I checked  'Separate screen focus' and  'Active screen follows mouse'

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb22d793c80 (LWP 4055))]

Thread 8 (Thread 0x7fb1f9ba4700 (LWP 4070)):
#0  0x00007fb22936f97b in poll () at /usr/lib/libc.so.6
#1  0x00007fb222ea9ff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb222eaa3b2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb1f90cd6d8 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fb222ed226a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb2250c308c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb229379e7f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fb1fb7fe700 (LWP 4069)):
#0  0x00007fb222ef0b79 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb222ea9fd8 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb222eaa10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb222eaa162 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb222ed226a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb2250c308c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb229379e7f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fb1fbfff700 (LWP 4065)):
#0  0x00007fb222ef0b94 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb222ea9b8b in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb222eaa081 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb222eaa10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb229cbab94 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb229c5cd0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb229a6c78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fb229a71b2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb2250c308c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb229379e7f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb200f8d700 (LWP 4064)):
#0  0x00007fb222ea94dd in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb222ea9f1e in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb222eaa10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb229cbab94 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fb229c5cd0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb229a6c78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb229a71b2d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fb2250c308c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fb229379e7f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb204e61700 (LWP 4058)):
#0  0x00007fb229a68d2c in QMutex::lock() () at /usr/lib/libQt5Core.so.5
#1  0x00007fb229cbaa9f in  () at /usr/lib/libQt5Core.so.5
#2  0x00007fb222ea9519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb222ea9f1e in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb222eaa10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb229cbab94 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb229c5cd0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fb229a6c78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb227adba19 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fb229a71b2d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb2250c308c in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb229379e7f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb20cce1700 (LWP 4057)):
#0  0x00007fb229a68d2c in QMutex::lock() () at /usr/lib/libQt5Core.so.5
#1  0x00007fb229cbaa9f in  () at /usr/lib/libQt5Core.so.5
#2  0x00007fb222ea9519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb222ea9f1e in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb222eaa10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb229cbab94 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb229c5cd0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fb229a6c78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb227adba19 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fb229a71b2d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb2250c308c in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb229379e7f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb217bd9700 (LWP 4056)):
#0  0x00007fb22936f97b in poll () at /usr/lib/libc.so.6
#1  0x00007fb222ea9ff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb222eaa10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb229cbab94 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fb229c5cd0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb229a6c78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb22a0dc416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fb229a71b2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb2250c308c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb229379e7f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb22d793c80 (LWP 4055)):
[KCrash Handler]
#5  0x0000559472cbe190 in  ()
#6  0x00007fb229c8c09d in QObjectData::dynamicMetaObject() const () at /usr/lib/libQt5Core.so.5
#7  0x00007fb229c68009 in QMetaObject::cast(QObject const*) const () at /usr/lib/libQt5Core.so.5
#8  0x00007fb22b8ce14e in  () at /usr/lib/libQt5Widgets.so.5
#9  0x00007fb22b886e28 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007fb229c5e6c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#11 0x00007fb227fe5a17 in  () at /usr/lib/libQt5Quick.so.5
#12 0x00007fb227fe569d in QQuickItemPrivate::filterKeyEvent(QKeyEvent*, bool) () at /usr/lib/libQt5Quick.so.5
#13 0x00007fb227ff1e76 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at /usr/lib/libQt5Quick.so.5
#14 0x00007fb227ff21d6 in QQuickItem::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#15 0x00007fb22b87de3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#16 0x00007fb22b885816 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007fb229c5e6c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#18 0x00007fb227ffd7aa in QQuickWindowPrivate::deliverKeyEvent(QKeyEvent*) () at /usr/lib/libQt5Quick.so.5
#19 0x00007fb228001d96 in QQuickWindow::keyReleaseEvent(QKeyEvent*) () at /usr/lib/libQt5Quick.so.5
#20 0x00007fb22b080a35 in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#21 0x00007fb22800c626 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#22 0x00007fb22b87de3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#23 0x00007fb22b885816 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007fb229c5e6c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#25 0x00007fb22868f2fd in QQuickWidget::keyReleaseEvent(QKeyEvent*) () at /usr/lib/libQt5QuickWidgets.so.5
#26 0x00007fb22b8bde38 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#27 0x00007fb228690b1c in QQuickWidget::event(QEvent*) () at /usr/lib/libQt5QuickWidgets.so.5
#28 0x00007fb22b87de3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#29 0x00007fb22b886da3 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#30 0x00007fb229c5e6c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#31 0x00007fb22b8db98b in  () at /usr/lib/libQt5Widgets.so.5
#32 0x00007fb22b87de3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#33 0x00007fb22b885816 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#34 0x00007fb229c5e6c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#35 0x00007fb22b071012 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () at /usr/lib/libQt5Gui.so.5
#36 0x00007fb22b076166 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#37 0x00007fb22b04dbbc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#38 0x00007fb21d16040d in  () at /usr/lib/libQt5WaylandClient.so.5
#39 0x00007fb229c5cd0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#40 0x00007fb229c65ff8 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#41 0x000055946a6d8cca in  ()
#42 0x00007fb2292a4f4a in __libc_start_main () at /usr/lib/libc.so.6
#43 0x000055946a6d8d4a in _start ()

Reported using DrKonqi