Description of problem:
Editing the title in segment header caused the crash

Version-Release number of selected component:
mkvtoolnix-gui-77.0-1.fc38

Additional info:
reporter:       libreport-2.17.11
type:           CCpp
reason:         mkvtoolnix-gui killed by SIGSEGV
journald_cursor: s=168c33bc8f684c2faace4d474155ee21;i=10448;b=b0f426bc0401404cb6457b67b9305e42;m=312ca7c3;t=600819e9eae01;x=896bf42194300a1
executable:     /usr/bin/mkvtoolnix-gui
cmdline:        mkvtoolnix-gui
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-mkvtoolnix\x2dgui.slice/app-mkvtoolnix\x2dgui-1741.scope
rootdir:        /
uid:            1000
kernel:         6.3.12-200.fc38.aarch64
package:        mkvtoolnix-gui-77.0-1.fc38
runlevel:       N 3
backtrace_rating: 4
crash_function: QWidgetPrivate::associatedScreen
comment:        Editing the title in segment header caused the crash

Truncated backtrace:
Thread no. 1 (36 frames)
 #0 QWidgetPrivate::associatedScreen at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/redhat-linux-build/include/QtWidgets/6.5.1/QtWidgets/private/../../../../../../src/widgets/kernel/qwidget_p.h:179
 #1 QWidget::screen at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qwidget.cpp:2506
 #2 QWidget::metric at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qwidget.cpp:12831
 #3 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qobjectdefs_impl.h:363
 #4 doActivate<false> at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qobject.cpp:3992
 #5 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qobjectdefs_impl.h:363
 #6 doActivate<false> at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qobject.cpp:3992
 #7 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qobject.cpp:4052
 #8 QLineEdit::textChanged at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/redhat-linux-build/src/widgets/Widgets_autogen/include/moc_qlineedit.cpp:693
 #9 doActivate<false> at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qobject.cpp:4004
 #10 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qobject.cpp:4052
 #11 QWidgetLineControl::textChanged at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/redhat-linux-build/src/widgets/Widgets_autogen/include/moc_qwidgetlinecontrol_p.cpp:361
 #12 QWidgetLineControl::finishChange at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/widgets/qwidgetlinecontrol.cpp:713
 #13 QWidgetLineControl::insert at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/widgets/qwidgetlinecontrol.cpp:232
 #14 QWidgetLineControl::processKeyEvent at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/tools/qarraydata.h:52
 #15 QLineEdit::keyPressEvent at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/widgets/qlineedit.cpp:1742
 #16 QWidget::event at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qwidget.cpp:8970
 #17 QApplicationPrivate::notify_helper at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qapplication.cpp:3287
 #18 QApplication::notify at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qapplication.cpp:2715
 #19 QCoreApplication::notifyInternal2 at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qcoreapplication.cpp:1115
 #20 QCoreApplication::forwardEvent at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qcoreapplication.cpp:1130
 #21 QWidgetWindow::event at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qwidgetwindow.cpp:234
 #22 QApplicationPrivate::notify_helper at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qapplication.cpp:3287
 #23 QCoreApplication::notifyInternal2 at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qcoreapplication.cpp:1115
 #24 QCoreApplication::sendSpontaneousEvent at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qcoreapplication.cpp:1547
 #25 QGuiApplicationPrivate::processKeyEvent at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/gui/kernel/qguiapplication.cpp:2410
 #26 QWindowSystemInterface::sendWindowSystemEvents at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/gui/kernel/qwindowsysteminterface.cpp:1094
 #27 xcbSourceDispatch at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:57
 #30 g_main_context_iterate.isra.0 at ../glib/gmain.c:4276
 #31 g_main_context_iteration at ../glib/gmain.c:4343
 #32 QEventDispatcherGlib::processEvents at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/kernel/qeventdispatcher_glib.cpp:393
 #33 QEventLoop::exec at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/global/qflags.h:34
 #34 QCoreApplication::exec at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/corelib/global/qflags.h:74
 #35 QGuiApplication::exec at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/gui/kernel/qguiapplication.cpp:1894
 #36 QApplication::exec at /usr/src/debug/qt6-qtbase-6.5.1-1.fc38.aarch64/src/widgets/kernel/qapplication.cpp:2566
 #37 mtx::gui::App::run at src/mkvtoolnix-gui/app.cpp:622