Bug 2231735

Description of problem:
To be honest, I don't know how this happened. I was watching some video in Firefox and suddenly my DE crashed.

Version-Release number of selected component:
kwin-wayland-5.27.6-1.fc38

Additional info:
reporter:       libreport-2.17.11
journald_cursor: s=bf7a4ce3f535417698de8068e226df10;i=8b56a;b=b55c8b8918e74aa5aabb859d2bf50793;m=da7e845ad;t=602d0dbe068b6;x=5affada0af23a7d1
type:           CCpp
uid:            1000
reason:         kwin_wayland killed by SIGSEGV
comment:        To be honest, I don't know how this happened. I was watching some video in Firefox and suddenly my DE crashed.
cmdline:        /usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :0 --xwayland-xauthority /run/user/1000/xauth_tgVjPI --xwayland
package:        kwin-wayland-5.27.6-1.fc38
runlevel:       N 5
crash_function: KWin::BlurEffect::blurRegion
kernel:         6.3.12-200.fc38.x86_64
rootdir:        /
cgroup:         0::/user.slice/user-1000.slice/user/session.slice/plasma-kwin_wayland.service
executable:     /usr/bin/kwin_wayland
backtrace_rating: 4
dso_list:       /usr/bin/kwin_wayland kwin-wayland-5.27.6-1.fc38.x86_64 (Fedora Project) 1689287951

Truncated backtrace:
Thread no. 1 (28 frames)
 #0 KWin::BlurEffect::blurRegion at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/effects/blur/blur.cpp:473
 #1 KWin::BlurEffect::prePaintWindow at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/effects/blur/blur.cpp:571
 #3 KWin::EffectsHandlerImpl::prePaintWindow at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/effects.cpp:415
 #4 KWin::WorkspaceScene::preparePaintSimpleScreen at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/scene/workspacescene.cpp:298
 #5 KWin::WorkspaceScene::prePaint at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/scene/workspacescene.cpp:231
 #6 KWin::Compositor::prePaintPass at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/composite.cpp:714
 #7 KWin::Compositor::composite at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/composite.cpp:657
 #8 QtPrivate::QSlotObjectBase::call at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
 #9 doActivate<false> at kernel/qobject.cpp:3925
 #10 QMetaObject::activate at kernel/qobject.cpp:3985
 #11 KWin::RenderLoop::frameRequested at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/redhat-linux-build/src/kwin_autogen/TAC5DWH4SE/moc_renderloop.cpp:206
 #12 KWin::RenderLoopPrivate::dispatch at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/core/renderloop.cpp:157
 #13 QtPrivate::QSlotObjectBase::call at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
 #14 doActivate<false> at kernel/qobject.cpp:3925
 #15 QMetaObject::activate at kernel/qobject.cpp:3985
 #16 QTimer::timeout at .moc/moc_qtimer.cpp:205
 #17 QObject::event at kernel/qobject.cpp:1369
 #18 QApplicationPrivate::notify_helper at kernel/qapplication.cpp:3640
 #19 QCoreApplication::notifyInternal2 at kernel/qcoreapplication.cpp:1064
 #20 QCoreApplication::sendEvent at kernel/qcoreapplication.cpp:1462
 #21 QTimerInfoList::activateTimers at kernel/qtimerinfo_unix.cpp:643
 #22 QEventDispatcherUNIXPrivate::activateTimers at kernel/qeventdispatcher_unix.cpp:249
 #23 QEventDispatcherUNIX::processEvents at kernel/qeventdispatcher_unix.cpp:516
 #24 QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
 #25 QEventLoop::exec at ../../include/QtCore/../../src/corelib/global/qflags.h:69
 #26 QCoreApplication::exec at ../../include/QtCore/../../src/corelib/global/qflags.h:121
 #27 QGuiApplication::exec at kernel/qguiapplication.cpp:1863
 #28 QApplication::exec at kernel/qapplication.cpp:2832