Bug 438667

Application: systemsettings5 (5.21.5)

Qt Version: 5.15.2
Frameworks Version: 5.82.0
Operating System: Linux 5.12.9-300.fc34.x86_64 x86_64
Windowing System: Wayland
Drkonqi Version: 5.21.5
Distribution: Fedora 34 (Workstation Edition)

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

Change "System Settings" / "Windows Management" / "Task Switcher" to anyother style.

But finally the choosen style is applied. :)

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault

[KCrash Handler]
#4  0x0000561900000000 in  ()
#5  0x00007f793f066f37 in QWaylandClientExtensionPrivate::handleRegistryGlobal(void*, wl_registry*, unsigned int, QString const&, unsigned int) () at /lib64/libQt5WaylandClient.so.5
#6  0x00007f793f053419 in QtWaylandClient::QWaylandDisplay::registry_global(unsigned int, QString const&, unsigned int) () at /lib64/libQt5WaylandClient.so.5
#7  0x00007f793f06f7c3 in QtWayland::wl_registry::handle_global(void*, wl_registry*, unsigned int, char const*, unsigned int) () at /lib64/libQt5WaylandClient.so.5
#8  0x00007f793ca00c04 in ffi_call_unix64 () at /lib64/libffi.so.6
#9  0x00007f793ca00107 in ffi_call () at /lib64/libffi.so.6
#10 0x00007f793efc0d10 in wl_closure_invoke.constprop () at /lib64/libwayland-client.so.0
#11 0x00007f793efc142b in dispatch_event.isra () at /lib64/libwayland-client.so.0
#12 0x00007f793efc161c in wl_display_dispatch_queue_pending () at /lib64/libwayland-client.so.0
#13 0x00007f793f04b7a3 in QtWaylandClient::QWaylandDisplay::flushRequests() () at /lib64/libQt5WaylandClient.so.5
#14 0x00007f79413d84fd in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#15 0x00007f79413dab3a in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () at /lib64/libQt5Core.so.5
#16 0x00007f79413db2d4 in QSocketNotifier::event(QEvent*) () at /lib64/libQt5Core.so.5
#17 0x00007f7941f32e73 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#18 0x00007f79413a7f48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#19 0x00007f79413f517f in socketNotifierSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#20 0x00007f793f1674cf in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#21 0x00007f793f1bb4e8 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#22 0x00007f793f164c03 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#23 0x00007f79413f46f8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#24 0x00007f79413a69b2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#25 0x00007f79413ae544 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#26 0x0000561c7b6b8d4c in main ()
[Inferior 1 (process 236130) detached]

Reported using DrKonqi