100% reproducible for me in Plasma 6 with the following backtrace:


#0  __GI___pthread_sigmask (how=1, newmask=<optimized out>, oldmask=0x0) at pthread_sigmask.c:43
#1  0x00007f8bfcc5fd4d in __GI___sigprocmask
    (how=<optimized out>, set=<optimized out>, oset=<optimized out>)
    at ../sysdeps/unix/sysv/linux/sigprocmask.c:25
#2  0x00007f8c0039ed98 in KCrash::setCrashHandler(void (*)(int)) (handler=handler@entry=0x0)
    at /home/nate/kde/src/kcrash/src/kcrash.cpp:411
#3  0x00007f8c0039f90e in KCrash::defaultCrashHandler(int) (sig=11)
    at /home/nate/kde/src/kcrash/src/kcrash.cpp:615
#4  0x00007f8bfcc5fb70 in <signal handler called> () at /lib64/libc.so.6
#5  0x00007f8b82ae1a44 in ListItemMenu::createMenu() (this=this@entry=0x3a37cf0)
    at /home/nate/kde/src/plasma-pa/src/qml/listitemmenu.cpp:336
#6  0x00007f8b82b19698 in ListItemMenu::open(int, int) (this=0x3a37cf0, x=127, y=14)
    at /home/nate/kde/src/plasma-pa/src/qml/listitemmenu.cpp:259
#7  0x00007f8b82ae2ac1 in ListItemMenu::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
    (_o=_o@entry=0x3a37cf0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=7, _a=_a@entry=0x7ffed6e91238)
    at /home/nate/kde/build6/plasma-pa/src/plasma-volume-declarative_autogen/CCBC4FUR7J/moc_listitemmenu.cpp:297
#8  0x00007f8b82ae77f0 in ListItemMenu::qt_metacall(QMetaObject::Call, int, void**)
    (this=0x3a37cf0, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7ffed6e91238)
    at /home/nate/kde/build6/plasma-pa/src/plasma-volume-declarative_autogen/CCBC4FUR7J/moc_listitemmenu.cpp:407
#9  0x00007f8bff3b910a in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const
    (this=this@entry=0x7ffed6e91500, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=12, argv=<optimized out>)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/qml/qqmlobjectorgadget.cpp:14
#10 0x00007f8bff260bfe in QV4::CallMethod
    (callType=QMetaObject::InvokeMetaMethod, callArgs=<optimized out>, engine=0xcc0a10, argTypes=0x7ffed6e911d8, argCount=<optimized out>, returnType=..., index=12, object=...)
    at /usr/include/qt6/QtCore/qvarlengtharray.h:84
#11 QV4::CallPrecise(QQmlObjectOrGadget const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) (object=..., data=<optimized out>, engine=<optimized out>, 
    engine@entry=0xcc0a10, callArgs=<optimized out>, 
    callArgs@entry=0x7f8be03b85a0, callType=callType@entry=QMetaObject::InvokeMetaMethod)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:1751
#12 0x00007f8bff262975 in operator() (__closure=<optimized out>)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:2641
#13 operator()<QV4::QObjectMethod::callInternal(const QV4::Value*, const QV4::Value*, int) const::<lambda()> > (call=<optimized out>, __closure=<synthetic pointer>)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:2619
#14 QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const
    (this=0x7ffed6e91618, thisObject=<optimized out>, argv=0x7f8be03b8560, argc=2)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:2641
#15 0x00007f8bff2bb90b in QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const
    (argc=<optimized out>, argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/redhat-linux-build/include/QtQml/6.5.1/QtQml/private/../../../../../../src/qml/jsruntime/qv4functionobject_p.h:169
#16 QV4::Moth::VME::interpret(QV4::JSTypesStackFrame*, QV4::ExecutionEngine*, char const*)
    (frame=0x7f8b82b3eac0 <QPulseAudio::Device::staticMetaObject>, 
    frame@entry=0x7ffed6e91810, engine=0xcc0a10, code=0x7f8be03b8548 "\200Bzi\213\177")
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:862
#17 0x00007f8bff2c0327 in QV4::Moth::VME::exec(QV4::JSTypesStackFrame*, QV4::ExecutionEngine*)
    (frame=frame@entry=0x7ffed6e91810, engine=engine@entry=0xcc0a10)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:544
#18 0x00007f8bff20a546 in QV4::doCall(QV4::Function*, QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext*)
    (self=self@entry=0x4d43b30, thisObject=<optimized out>, argv=argv@entry=0x7f8be03b84f0, argc=argc@entry=1, context=context@entry=0x7f8b7000a9c8)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4function.cpp:54
#19 0x00007f8bff20a93a in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext*)
    (this=this@entry=0x4d43b30, thisObject=<optimized out>, argv=argv@entry=0x7f8be03b84f0, argc=argc@entry=1, context=context@entry=0x7f8b7000a9c8)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4function.cpp:79
#20 0x00007f8bff20ab4b in operator()
    (argc=1, argv=0x7f8be03b84f0, thisObject=<optimized out>, __closure=<synthetic pointer>)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4function.cpp:30
#21 QV4::convertAndCall<QV4::Function::call(QObject*, void**, const QMetaType*, int, QV4::ExecutionContext*)::<lambda(const QV4::Value*, const QV4::Value*, int)> >
    (call=..., argc=1, types=0x7ffed6e91ab8, a=0x7ffed6e93550, thisObject=0x3877f90, engine=<optimized out>)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/redhat-linux-build/include/QtQml/6.5.1/QtQml/private/../../../../../../src/qml/jsruntime/qv4jscall_p.h:197
#22 QV4::Function::call(QObject*, void**, QMetaType const*, int, QV4::ExecutionContext*)
    (this=0x4d43b30, thisObject=0x3877f90, a=a@entry=0x7ffed6e93550, types=0x7ffed6e91ab8, argc=1, context=0x7f8b7000a9c8)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/jsruntime/qv4function.cpp:27
#23 0x00007f8bff37b727 in QQmlJavaScriptExpression::evaluate(void**, QMetaType const*, int)
    (this=this@entry=0x2bb4f90, a=a@entry=0x7ffed6e93550, types=<optimized out>, argc=argc@entry=1)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/qml/qqmljavascriptexpression_p.h:246
#24 0x00007f8bff3137de in QQmlBoundSignalExpression::evaluate(void**)
    (this=0x2bb4f90, a=a@entry=0x7ffed6e93550) at /usr/include/qt6/QtCore/qvarlengtharray.h:85
#25 0x00007f8bff314350 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**)
    (e=0x2bb5010, a=0x7ffed6e93550)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/redhat-linux-build/include/QtQml/6.5.1/QtQml/private/../../../../../../src/qml/qml/ftw/qqmlrefcount_p.h:62
#26 0x00007f8bff3a747c in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
    (endpoint=<optimized out>, a=0x7ffed6e93550)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/qml/qml/qqmlnotifier.cpp:70
#27 0x00007f8bfd3dd940 in doActivate<false>(QObject*, int, void**)
    (sender=0x3877f90, signal_index=45, argv=0x7ffed6e93550)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/kernel/qobject.cpp:3884
#28 0x00007f8bfd3d4757 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**)
    (sender=sender@entry=0x3877f90, m=m@entry=0x7f8bffecab60 <QQuickMouseArea::staticMetaObject>, local_signal_index=local_signal_index@entry=13, argv=argv@entry=0x7ffed6e93550)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/kernel/qobject.cpp:4052
#29 0x00007f8bffa5dc84 in QQuickMouseArea::pressed(QQuickMouseEvent*)
    (this=this@entry=0x3877f90, _t1=<optimized out>, _t1@entry=0x3878268)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/redhat-linux-build/src/quick/Quick_autogen/include/moc_qquickmousearea_p.cpp:842
#30 0x00007f8bffa5f7f4 in QQuickMouseArea::setPressed(Qt::MouseButton, bool, Qt::MouseEventSource)
    (this=this@entry=0x3877f90, button=<optimized out>, p=p@entry=true, source=<optimized out>)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/items/qquickmousearea.cpp:1243
#31 0x00007f8bffa601bf in QQuickMouseArea::mousePressEvent(QMouseEvent*)
    (this=0x3877f90, event=0x7ffed6e93ff0) at /usr/include/qt6/QtGui/qevent.h:115
#32 0x00007f8bffa3a1c8 in QQuickItem::event(QEvent*) (this=0x3877f90, ev=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/items/qquickitem.cpp:8841
#33 0x00007f8bfe9c0b08 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    (this=<optimized out>, receiver=0x3877f90, e=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/widgets/kernel/qapplication.cpp:3287
#34 0x00007f8bfd37c308 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
    (receiver=0x3877f90, event=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/kernel/qcoreapplication.cpp:1115
#35 0x00007f8bfd37c50d in QCoreApplication::sendEvent(QObject*, QEvent*)
    (receiver=<optimized out>, event=<optimized out>)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/kernel/qcoreapplication.cpp:1533
#36 0x00007f8bffbcf99d in QQuickDeliveryAgentPrivate::deliverMatchingPointsToItem(QQuickItem*, bool, QPointerEvent*, bool)
    (this=this@entry=0x25c77b0, item=item@entry=0x3877f90, isGrabber=isGrabber@entry=false, pointerEvent=pointerEvent@entry=0x7ffed6e93ff0, handlersOnly=handlersOnly@entry=false)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/util/qquickdeliveryagent.cpp:2138
#37 0x00007f8bffbd0c9b in QQuickDeliveryAgentPrivate::deliverPressOrReleaseEvent(QPointerEvent*, bool)
    (this=this@entry=0x25c77b0, event=event@entry=0x7ffed6e93ff0, handlersOnly=<optimized out>, 
    handlersOnly@entry=false)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/util/qquickdeliveryagent.cpp:2087
#38 0x00007f8bffbd1510 in QQuickDeliveryAgentPrivate::deliverPointerEvent(QPointerEvent*)
    (this=this@entry=0x25c77b0, event=event@entry=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/util/qquickdeliveryagent.cpp:1847
#39 0x00007f8bffbd2622 in QQuickDeliveryAgentPrivate::handleMouseEvent(QMouseEvent*)
    (this=this@entry=0x25c77b0, event=event@entry=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/util/qquickdeliveryagent.cpp:1622
#40 0x00007f8bffbd44a8 in QQuickDeliveryAgent::event(QEvent*)
    (this=<optimized out>, ev=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/util/qquickdeliveryagent.cpp:705
#41 0x00007f8bffae7642 in QQuickWindow::event(QEvent*) (this=<optimized out>, event=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtdeclarative-6.5.1-1.fc38.x86_64/src/quick/items/qquickwindow.cpp:1481
#42 0x00007f8bfe9c0b08 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    (this=<optimized out>, receiver=0x25c1690, e=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/widgets/kernel/qapplication.cpp:3287
#43 0x00007f8bfd37c308 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
    (receiver=0x25c1690, event=0x7ffed6e93ff0)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/kernel/qcoreapplication.cpp:1115
#44 0x00007f8bfd37c51d in QCoreApplication::sendSpontaneousEvent(QObject*, QEvent*)
    (receiver=<optimized out>, event=<optimized out>)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/kernel/qcoreapplication.cpp:1547
#45 0x00007f8bfdc09017 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (e=0x7f8be4021ef0)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/gui/kernel/qguiapplication.cpp:2285
#46 0x00007f8bfdc6339c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=flags@entry=...)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:1094
#47 0x00007f8bebda2416 in xcbSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:57
#48 0x00007f8bfc66639c in g_main_dispatch (context=0x7f8be4000f10) at ../glib/gmain.c:3460
#49 g_main_context_dispatch (context=0x7f8be4000f10) at ../glib/gmain.c:4200
#50 0x00007f8bfc6c4438 in g_main_context_iterate.isra.0
    (context=0x7f8be4000f10, block=1, dispatch=1, self=<optimized out>) at ../glib/gmain.c:4276
#51 0x00007f8bfc663a23 in g_main_context_iteration (context=0x7f8be4000f10, may_block=1)
    at ../glib/gmain.c:4343
#52 0x00007f8bfd61ff7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
    (this=0x60e460, flags=...)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:393
#53 0x00007f8bfd388e93 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
    (this=this@entry=0x7ffed6e94420, flags=..., flags@entry=...)
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/global/qflags.h:34
#54 0x00007f8bfd384b3d in QCoreApplication::exec() ()
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/corelib/global/qflags.h:74
#55 0x00007f8bfdbf85cd in QGuiApplication::exec() ()
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/gui/kernel/qguiapplication.cpp:1894
#56 0x00007f8bfe9c0a79 in QApplication::exec() ()
    at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.x86_64/src/widgets/kernel/qapplication.cpp:2566
#57 0x0000000000424fe8 in main(int, char**) (argc=<optimized out>, argv=<optimized out>)
    at /home/nate/kde/src/plasma-workspace/shell/main.cpp:253