Application: systemsettings5 (5.4.3)

Qt Version: 5.5.1
Operating System: Linux 4.1.13-5-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Was running system settings and set mouse to open files on double click.  Hit Apply, the clicked the close button on the toolbar.  Application crashed.  

This does not happen all the time, about 40% of the time when I close system this way.

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#6  0x0000000000000073 in  ()
#7  0x00007fdc5232534b in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fdc32e28485 in KParts::PartManager::~PartManager() () at /usr/lib64/libKF5Parts.so.5
#9  0x00007fdc32e28629 in KParts::PartManager::~PartManager() () at /usr/lib64/libKF5Parts.so.5
#10 0x00007fdc5232163c in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5
#11 0x00007fdc5232b2cc in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#12 0x00007fdc335714a6 in KHTMLPart::~KHTMLPart() () at /usr/lib64/libKF5KHtml.so.5
#13 0x00007fdc33571659 in KHTMLPart::~KHTMLPart() () at /usr/lib64/libKF5KHtml.so.5
#14 0x00007fdc52323b18 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#15 0x00007fdc53e37e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007fdc53e3ccc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007fdc522f2e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#18 0x00007fdc522f5057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007fdc5234a8f3 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007fdc4d9ffc84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#21 0x00007fdc4d9ffed8 in  () at /usr/lib64/libglib-2.0.so.0
#22 0x00007fdc4d9fff7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#23 0x00007fdc52349d6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#24 0x00007fdc522f0d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#25 0x00007fdc522f88f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#26 0x00000000004103cf in main(int, char**) (argc=1, argv=<optimized out>) at /usr/src/debug/systemsettings-5.4.3/app/main.cpp:55

Reported using DrKonqi