Application: systemsettings5 (5.11.0)

Qt Version: 5.9.2
Frameworks Version: 5.38.0
Operating System: Linux 4.13.5-gnu-1 x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed: i closed system settings and there was a crash message notification. this occurs every time i close system settings

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc31e971800 (LWP 3104))]

Thread 3 (Thread 0x7fc2ef26b700 (LWP 3111)):
#0  0x00007fc31a5b0d4b in poll () at /usr/lib/libc.so.6
#1  0x00007fc314197ed3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc314197fae in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc31aeedcf4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc31ae9148b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc31acaa27e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fc318d50bc9 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fc31acaefcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fc31636708a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fc31a5bb24f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc3086b1700 (LWP 3106)):
#0  0x00007fc3141bf5f9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fc314197f99 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc31aeedcf4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc31ae9148b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc31acaa27e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc31b309376 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007fc31acaefcb in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc31636708a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc31a5bb24f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc31e971800 (LWP 3104)):
[KCrash Handler]
#5  0x00007fc30e1e8c81 in wl_proxy_create_wrapper () at /usr/lib/libwayland-client.so.0
#6  0x00007fc306aff7aa in  () at /usr/lib/libEGL_mesa.so.0
#7  0x00007fc306aec70f in  () at /usr/lib/libEGL_mesa.so.0
#8  0x00007fc307138722 in  () at /usr/lib/qt/plugins/wayland-graphics-integration-client/libwayland-egl.so
#9  0x00007fc307136bce in  () at /usr/lib/qt/plugins/wayland-graphics-integration-client/libwayland-egl.so
#10 0x00007fc31c2d3c89 in QOpenGLContext::makeCurrent(QSurface*) () at /usr/lib/libQt5Gui.so.5
#11 0x00007fc31ca7bd9a in  () at /usr/lib/libQt5Widgets.so.5
#12 0x00007fc31ca84b82 in QWidgetPrivate::deleteTLSysExtra() () at /usr/lib/libQt5Widgets.so.5
#13 0x00007fc31ca89c71 in QWidget::destroy(bool, bool) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007fc31ca91553 in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#15 0x000055b6bd539d1f in  ()
#16 0x000055b6bd539e89 in  ()
#17 0x00007fc31aec3681 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#18 0x00007fc31ca9613c in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007fc31cbae264 in QMainWindow::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007fc31e09f45b in KMainWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#21 0x00007fc31e0f1156 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#22 0x00007fc31ca55f2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#23 0x00007fc31ca5da06 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007fc31ae93060 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#25 0x00007fc31ae958b6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#26 0x00007fc31aeee6e4 in  () at /usr/lib/libQt5Core.so.5
#27 0x00007fc314196270 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#28 0x00007fc314197f69 in  () at /usr/lib/libglib-2.0.so.0
#29 0x00007fc314197fae in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#30 0x00007fc31aeedcd1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#31 0x00007fc31ae9148b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#32 0x00007fc31ae9a4d8 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#33 0x000055b6bd536c34 in  ()
#34 0x00007fc31a4e5f6a in __libc_start_main () at /usr/lib/libc.so.6
#35 0x000055b6bd536cba in _start ()

Reported using DrKonqi