Application: plasmashell (5.16.5)

Qt Version: 5.13.1
Frameworks Version: 5.62.0
Operating System: Linux 5.2.14-arch2-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
Tryed to open the widget "Audio Volume (Win 7 Mixer)" from with in the Plasma panel.

- Custom settings of the application:
Using Wayland session.
Custom widget installed from "Get hot new stuff", called "Audio Volume (Win 7 Mixer)". It works on X11 session.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2507e7c880 (LWP 1847466))]

Thread 10 (Thread 0x7f24dd1b7700 (LWP 1853054)):
#0  0x00007f250c609667 in poll () at /usr/lib/libc.so.6
#1  0x00007f250ae32130 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f250ae32201 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f250cbaba1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f250cb524ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f250c984385 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f250e6e46eb in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f24fdf75700 (LWP 1850001)):
[KCrash Handler]
#6  0x00007f250c456e94 in wl_proxy_marshal_constructor () at /usr/lib/libwayland-client.so.0
#7  0x00007f2507a914d0 in QtWaylandClient::QWaylandWindow::handleUpdate() () at /usr/lib/libQt5WaylandClient.so.5
#8  0x00007f2504d38b31 in  () at /usr/lib/qt/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#9  0x00007f250cf2ea72 in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/libQt5Gui.so.5
#10 0x00007f250e76c0ee in  () at /usr/lib/libQt5Quick.so.5
#11 0x00007f250e76ffc8 in  () at /usr/lib/libQt5Quick.so.5
#12 0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f24bfbcd700 (LWP 1847629)):
#0  0x00007f250be5d415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f250c98b660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f250c98b752 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f250e76fdad in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f250e77005e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f24ddb30700 (LWP 1847618)):
#0  0x00007f250be5d415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f250c98b660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f250c98b752 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f250e76fdad in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f250e77005e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f24e058b700 (LWP 1847570)):
#0  0x00007f250c6152fc in recv () at /usr/lib/libc.so.6
#1  0x00007f250c09ebf0 in  () at /usr/lib/libQt5Network.so.5
#2  0x00007f250c08ee34 in  () at /usr/lib/libQt5Network.so.5
#3  0x00007f250c08f673 in QNetworkInterface::allInterfaces() () at /usr/lib/libQt5Network.so.5
#4  0x00007f24dfd454ff in  () at /usr/lib/qt/plugins/bearer/libqgenericbearer.so
#5  0x00007f250cb61efd in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () at /usr/lib/libQt5Core.so.5
#6  0x00007f250cb63b44 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () at /usr/lib/libQt5Core.so.5
#7  0x00007f250c0794cf in QNetworkConfigurationManagerPrivate::pollEngines() () at /usr/lib/libQt5Network.so.5
#8  0x00007f250c11327a in  () at /usr/lib/libQt5Network.so.5
#9  0x00007f250cb7fa11 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#10 0x00007f250cb8cb78 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#11 0x00007f250cb803e5 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f250cb539e6 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#13 0x00007f250cbaad9d in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#14 0x00007f250cbab632 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f250ae303ae in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#16 0x00007f250ae321c1 in  () at /usr/lib/libglib-2.0.so.0
#17 0x00007f250ae32201 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#18 0x00007f250cbaba03 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f250cb524ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007f250c984385 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#21 0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#22 0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#23 0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f24f1e75700 (LWP 1847550)):
#0  0x00007f250be5d415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f250c98b660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f250c98b752 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f250e76fdad in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f250e77005e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f250486d700 (LWP 1847511)):
#0  0x00007f250be5d415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f24ff57bf5c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f24ff57bb58 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f250614a700 (LWP 1847508)):
#0  0x00007f250c609667 in poll () at /usr/lib/libc.so.6
#1  0x00007f250ae32130 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f250ae32201 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f250cbaba1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f250cb524ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f250c984385 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f250e404849 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f2507371700 (LWP 1847504)):
#0  0x00007f250c60518c in read () at /usr/lib/libc.so.6
#1  0x00007f250ade29f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f250ae309f1 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f250ae320d8 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f250ae32201 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f250cbaba1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f250cb524ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f250c984385 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f250d427b37 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f250c9855b0 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f250be5757f in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f250c6140e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f2507e7c880 (LWP 1847466)):
#0  0x00007f250be5d415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f250c98b660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f250c98b752 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f250e76e2ce in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f250e76f1f4 in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f250e76f9fb in  () at /usr/lib/libQt5Quick.so.5
#6  0x00007f250cefcf0d in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#7  0x00007f250e7d4033 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#8  0x00007f250ef486a4 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#9  0x00007f250d6944f5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f250d69de11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f250cb539c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f250cef3155 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/libQt5Gui.so.5
#13 0x00007f250cef3388 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#14 0x00007f250cecdafc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#15 0x00007f2507ac3c51 in  () at /usr/lib/libQt5WaylandClient.so.5
#16 0x00007f250ae303ae in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#17 0x00007f250ae321c1 in  () at /usr/lib/libglib-2.0.so.0
#18 0x00007f250ae32201 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#19 0x00007f250cbaba03 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007f250cb524ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#21 0x00007f250cb5a326 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#22 0x000055dcfef9edf6 in  ()
#23 0x00007f250c53eee3 in __libc_start_main () at /usr/lib/libc.so.6
#24 0x000055dcfef9f2ae in _start ()
[Inferior 1 (process 1847466) detached]

Reported using DrKonqi