Application: kcmshell5 (5.9.5)

Qt Version: 5.8.0
Frameworks Version: 5.33.0
Operating System: Linux 4.10.13-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
when closing the "Connections - System Settings Module" the applications crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings Module (kcmshell5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6b1eb057c0 (LWP 11025))]

Thread 2 (Thread 0x7f6b0a12b700 (LWP 11026)):
#0  0x00007f6b167001e4 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f6b166ba9aa in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f6b166baacc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f6b1bbcd09b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f6b1bb768ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f6b1b998a73 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f6b1d57a125 in ?? () from /usr/lib/libQt5DBus.so.5
#7  0x00007f6b1b99d6d8 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f6b189152e7 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f6b1e4fc54f in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f6b1eb057c0 (LWP 11025)):
[KCrash Handler]
#6  0x00007f6b0e7ced49 in wl_map_insert_at () from /usr/lib/libwayland-client.so.0
#7  0x00007f6b0e7caf1e in wl_proxy_destroy () from /usr/lib/libwayland-client.so.0
#8  0x00007f6b0cf1b285 in KWayland::Client::Registry::release() () from /usr/lib/libKF5WaylandClient.so.5
#9  0x00007f6b0cf1b2ae in KWayland::Client::Registry::~Registry() () from /usr/lib/libKF5WaylandClient.so.5
#10 0x00007f6b0cf1b389 in KWayland::Client::Registry::~Registry() () from /usr/lib/libKF5WaylandClient.so.5
#11 0x00007f6b1bba2441 in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#12 0x00007f6b1bbabd9f in QObject::~QObject() () from /usr/lib/libQt5Core.so.5
#13 0x00007f6afca88393 in ?? () from /usr/lib/qt/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemKWaylandPlugin.so
#14 0x00007f6b1e4466c0 in __run_exit_handlers () from /usr/lib/libc.so.6
#15 0x00007f6b1e44671a in exit () from /usr/lib/libc.so.6
#16 0x00007f6b1e430518 in __libc_start_main () from /usr/lib/libc.so.6
#17 0x000000000040066a in _start ()

Reported using DrKonqi