https://bugs.kde.org/show_bug.cgi?id=390151

            Bug ID: 390151
           Summary: System settings segfaults on exit
           Product: systemsettings
           Version: 5.12.0
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: 431741580d...@gmail.com
  Target Milestone: ---

Application: systemsettings5 (5.12.0)

Qt Version: 5.10.0
Frameworks Version: 5.42.0
Operating System: Linux 4.15.1-1-default x86_64
Distribution: "openSUSE Tumbleweed"

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

Opened:
System settings -> Shortcuts -> Custom shortcuts
Toggle an option (make it so that apply changes becomes active)

Alt-F4
(using the apply changes button doens't cause a crash)

A popup for apply/discard changes & cancel appears
Pick either apply or discard

Segfault
(Changes are applied or discarded as intended)

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f44ae7fc100 (LWP 7704))]

Thread 2 (Thread 0x7f44991f7700 (LWP 7706)):
#0  0x00007f44aa26bf8b in poll () at /lib64/libc.so.6
#1  0x00007f44a4056109 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f44a405621c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f44aaba278b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f44aab496ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f44aa9708da in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f44ac48bbd5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f44aa9758d0 in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#8  0x00007f44a6447558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f44aa27672f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f44ae7fc100 (LWP 7704)):
[KCrash Handler]
#6  0x00007f449db1bd39 in  () at /usr/lib64/libwayland-client.so.0
#7  0x00007f449db17e4e in wl_proxy_destroy () at
/usr/lib64/libwayland-client.so.0
#8  0x00007f449c0ddfb7 in KWayland::Client::PlasmaWindow::release() () at
/usr/lib64/libKF5WaylandClient.so.5
#9  0x00007f449c0ddfda in KWayland::Client::PlasmaWindow::~PlasmaWindow() () at
/usr/lib64/libKF5WaylandClient.so.5
#10 0x00007f449c0de0d9 in KWayland::Client::PlasmaWindow::~PlasmaWindow() () at
/usr/lib64/libKF5WaylandClient.so.5
#11 0x00007f44aab76d9b in QObjectPrivate::deleteChildren() () at
/usr/lib64/libQt5Core.so.5
#12 0x00007f44aab800eb in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#13 0x00007f449c0de6a9 in
KWayland::Client::PlasmaWindowManagement::~PlasmaWindowManagement() () at
/usr/lib64/libKF5WaylandClient.so.5
#14 0x00007f44aab76d9b in QObjectPrivate::deleteChildren() () at
/usr/lib64/libQt5Core.so.5
#15 0x00007f44aab800eb in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#16 0x00007f448838aa93 in  () at
/usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemKWaylandPlugin.so
#17 0x00007f44aa1b6ce8 in __run_exit_handlers () at /lib64/libc.so.6
#18 0x00007f44aa1b6d3a in  () at /lib64/libc.so.6
#19 0x00007f44aa19ef51 in __libc_start_main () at /lib64/libc.so.6
#20 0x0000558fe65959aa in _start () at ../sysdeps/x86_64/start.S:120

Reported using DrKonqi

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