Thread 1 "bt_client" received signal SIGSEGV, Segmentation fault.
0x00007ffff60c69a6 in QQmlObjectCreator::finalize (this=0x555555b59d40, interrupt=...) at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.4.1/src/qml/qml/qqmlobjectcreator.cpp:1413
1413            if (auto priv = QPropertyBindingPrivate::get(qmlBinding); priv->hasCustomVTable()) {
(gdb) bt full
#0  0x00007ffff60c69a6 in QQmlObjectCreator::finalize (this=0x555555b59d40, interrupt=...)
    at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.4.1/src/qml/qml/qqmlobjectcreator.cpp:1413
        priv = 0x555555b98090
        argv = {0x7fffffffd030}
        target = 0x555555eddfb0
        index = 1
        qmlBinding = {d = {d = 0x555555b98090}}
        bindable = {data = 0x555555eddfc0,
          iface = 0x555555946de0 <QtPrivate::QBindableInterfaceForProperty<QObjectBindableProperty<X, int, &X::_qt_property__xProp_offset, decltype(nullptr)> const, void>::iface>}
        watcher = {sharedState = {o = 0x555555b5ba40}, watcher = {_t = 0x555555b5ba40, _r = false}}
        ocRestore = {varRef = @0x555555a69b68, oldValue = 0x555555a15bd0}
#1  0x00007ffff60a6627 in QQmlIncubatorPrivate::incubate (this=0x555555b5fe60, i=...) at /usr/include/qt6/QtCore/qscopedpointer.h:89
        protectThis = <optimized out>
        watcher = {_t = 0x555555b5fe60, _r = false}
        enginePriv = 0x555555a69a70
#2  0x00007ffff60a7216 in QQmlEnginePrivate::incubate (this=0x555555a69a70, i=..., forContext=...)
    at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.4.1/src/qml/qml/qqmlincubator.cpp:54
        i = {mode = QQmlInstantiationInterrupt::None, timer = {t1 = -9223372036854775808, t2 = -9223372036854775808}, nsecs = 0,
          runWhile = 0x0}
        watcher = {_t = 0x555555b5fe60, _r = true}
        p = <optimized out>
        mode = <optimized out>
#3  0x00007ffff6068453 in QQmlComponent::create (this=<optimized out>, incubator=..., context=<optimized out>, forContext=<optimized out>)
    at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.4.1/src/qml/qml/qqmlcomponent.cpp:1219
        d = 0x555555ba46f0
        contextData = {o = 0x555555b5b460}
        forContextData = {o = 0x555555b5b460}
        p = <optimized out>
        enginePriv = 0x555555a69a70
#4  0x00007ffff6dea6d9 in QQuickLoaderPrivate::_q_sourceLoaded (this=0x555555b3eed0)
    at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.4.1/src/quick/items/qquickloader.cpp:714
        q = 0x555555b3e110
        creationContext = 0x555555b393a0
#5  0x00007ffff6def25a in QQuickLoader::setActive (this=0x555555b3e110, newVal=<optimized out>)
    at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.4.1/src/quick/items/qquickloader.cpp:313
        d = 0x555555b3eed0
#6  0x00007ffff6df0c73 in QQuickLoader::qt_metacall (this=0x555555b3e110, _c=QMetaObject::WriteProperty, _id=0, _a=0x7fffffffd3b0)
    at /usr/src/debug/qt6-declarative/build/src/quick/Quick_autogen/include/moc_qquickloader_p.cpp:404
No locals.
#7  0x00007ffff6044fa8 in QQmlPropertyData::doMetacall<(QMetaObject::Call)2> (this=<optimized out>, argv=0x7fffffffd3b0,
    idx=<optimized out>, object=<optimized out>) at /usr/src/debug/qt6-declarative/build/include/QtQml/6.4.1/QtQml/private/../../../../../../qtdeclarative-everywhere-src-6.4.1/src/qml/qml/qqmlpropertydata_p.h:323
        dynamicMetaObject = <optimized out>