Randomly

#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#1  0x00007fa8230afec3 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
#2  0x00007fa82305fa76 in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26
#3  0x00007fa826a4e8fd in KCrash::defaultCrashHandler(int) (sig=6) at /home/nico/kde6/src/kcrash/src/kcrash.cpp:612
#4  0x00007fa82305fb20 in <signal handler called> () at /lib64/libc.so.6
#5  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#6  0x00007fa8230afec3 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
#7  0x00007fa82305fa76 in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26
#8  0x00007fa82305fb20 in <signal handler called> () at /lib64/libc.so.6
#9  futex_wait (private=0, expected=2, futex_word=0x122d288) at ../sysdeps/nptl/futex-internal.h:146
#10 __GI___lll_lock_wait (futex=futex@entry=0x122d288, private=0) at lowlevellock.c:49
#11 0x00007fa8230b1412 in lll_mutex_lock_optimized (mutex=0x122d288) at pthread_mutex_lock.c:48
#12 ___pthread_mutex_lock (mutex=mutex@entry=0x122d288) at pthread_mutex_lock.c:93
#13 0x00007fa826df2ef6 in wl_proxy_marshal_array_flags
    (proxy=proxy@entry=0x68ce720, opcode=opcode@entry=13, interface=interface@entry=0x0, version=version@entry=2, flags=flags@entry=1, args=args@entry=0x7fff9e7aedc0) at ../src/wayland-client.c:834
#14 0x00007fa826df321a in wl_proxy_marshal_flags (proxy=0x68ce720, opcode=13, interface=0x0, version=2, flags=1) at ../src/wayland-client.c:791

#15 0x00007fa826f4b511 in org_kde_kwin_shadow_destroy (org_kde_kwin_shadow=0x68ce720) at /home/nico/kde6/build/kwayland/src/client/wayland-shadow-client-protocol.h:365
#16 KWayland::Client::WaylandPointer<org_kde_kwin_shadow, org_kde_kwin_shadow_destroy>::release (this=0x69bcf30) at /home/nico/kde6/src/kwayland/src/client/wayland_pointer_p.h:44
#17 KWayland::Client::Shadow::release() (this=this@entry=0x77dba30) at /home/nico/kde6/src/kwayland/src/client/shadow.cpp:118
#18 0x00007fa826f4b53a in KWayland::Client::Shadow::~Shadow() (this=0x77dba30, __in_chrg=<optimized out>) at /home/nico/kde6/src/kwayland/src/client/shadow.cpp:113
#19 0x00007fa826f4b5b9 in KWayland::Client::Shadow::~Shadow() (this=0x77dba30, __in_chrg=<optimized out>) at /home/nico/kde6/src/kwayland/src/client/shadow.cpp:114
#20 0x00007fa8100c62d1 in WindowShadow::internalDestroy() (this=0x71e0ba0) at /home/nico/kde6/src/kwayland-integration/src/windowsystem/windowshadow.cpp:123
#21 0x00007fa8100c63d5 in WindowShadow::eventFilter(QObject*, QEvent*) (this=0x71e0ba0, watched=<optimized out>, event=<optimized out>)
    at /home/nico/kde6/src/kwayland-integration/src/windowsystem/windowshadow.cpp:61
#22 0x00007fa823767dfe in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) (receiver=receiver@entry=0x4eac500, event=event@entry=0x7fff9e7af100)
    at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/kernel/qcoreapplication.cpp:1158
#23 0x00007fa8253baa55 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x4eac500, e=0x7fff9e7af100)
    at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/widgets/kernel/qapplication.cpp:3309
#24 0x00007fa823768068 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x4eac500, event=0x7fff9e7af100)
    at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/kernel/qcoreapplication.cpp:1026
#25 0x00007fa82404f669 in QWindowPrivate::setVisible(bool) (visible=false, this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/gui/kernel/qwindow.cpp:397
#26 QWindow::setVisible(bool) (this=<optimized out>, visible=false) at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/gui/kernel/qwindow.cpp:622
#27 0x00007fa82404fa5b in QWindowPrivate::destroy() (this=this@entry=0x4bbfbd0) at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/gui/kernel/qwindow.cpp:1961
#28 0x00007fa82404fc93 in QWindow::~QWindow() (this=this@entry=0x4eac500, __in_chrg=<optimized out>) at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/gui/kernel/qwindow.cpp:185
#29 0x00007fa8262dac73 in QQuickWindow::~QQuickWindow() (this=this@entry=0x4eac500, __in_chrg=<optimized out>) at /usr/src/debug/qt6-qtdeclarative-6.4.2-1.fc37.x86_64/src/quick/items/qquickwindow.cpp:1145
#30 0x00007fa8270639e4 in PlasmaQuick::Dialog::~Dialog() (this=this@entry=0x4eac500, __in_chrg=<optimized out>) at /home/nico/kde6/src/plasma-framework/src/plasmaquick/dialog.cpp:1030
#31 0x00007fa7fc05d0fd in QQmlPrivate::QQmlElement<PlasmaQuick::Dialog>::~QQmlElement() (this=0x4eac500, __in_chrg=<optimized out>) at /usr/include/qt6/QtQml/qqmlprivate.h:99
#32 QQmlPrivate::QQmlElement<PlasmaQuick::Dialog>::~QQmlElement() (this=0x4eac500, __in_chrg=<optimized out>) at /usr/include/qt6/QtQml/qqmlprivate.h:99
#33 0x00007fa8237ba181 in QObject::event(QEvent*) (this=0x4eac500, e=0x3cbbee0) at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/kernel/qobject.cpp:1365
#34 0x00007fa8253baa65 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x4eac500, e=0x3cbbee0)
    at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/widgets/kernel/qapplication.cpp:3315
#35 0x00007fa823768068 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x4eac500, event=0x3cbbee0) at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/kernel/qcoreapplication.cpp:1026

#36 0x00007fa82376f170 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x121f950)
    at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/kernel/qcoreapplication.cpp:1804
#37 0x00007fa823a23957 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x1238680) at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:243
#38 0x00007fa822b31c7f in g_main_dispatch (context=0x125c700) at ../glib/gmain.c:3454
--Type <RET> for more, q to quit, c to continue without paging--
#39 g_main_context_dispatch (context=0x125c700) at ../glib/gmain.c:4172
#40 0x00007fa822b88118 in g_main_context_iterate.constprop.0 (context=0x125c700, block=1, dispatch=1, self=<optimized out>) at ../glib/gmain.c:4248
#41 0x00007fa822b2ef00 in g_main_context_iteration (context=0x125c700, may_block=1) at ../glib/gmain.c:4313
#42 0x00007fa823a23220 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1225f10, flags=...)
    at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:393
#43 0x00007fa82377465b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff9e7af600, flags=..., flags@entry=...)
    at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/global/qflags.h:34
#44 0x00007fa823770528 in QCoreApplication::exec() () at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/corelib/global/qflags.h:74
#45 0x00007fa823feefc0 in QGuiApplication::exec() () at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/gui/kernel/qguiapplication.cpp:1859
#46 0x00007fa8253ba9d9 in QApplication::exec() () at /usr/src/debug/qt6-qtbase-6.4.2-4.fc37.x86_64/src/widgets/kernel/qapplication.cpp:2595
#47 0x0000000000424f69 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /home/nico/kde6/src/plasma-workspace/shell/main.cpp:235