QQuickItem: Cannot use same item on different windows at the same time.

Updates can only be scheduled from GUI thread or from QQuickItem::updatePaintNode()

==89057==ERROR: AddressSanitizer: SEGV on unknown address 0x000075000111 (pc 0x7f00b62207e1 bp 0x7f00924008c0 sp 0x7f0092400890 T6)
==89057==The signal is caused by a READ memory access.
    #0 0x7f00b62207e1 in QSGOpenGLLayer::grab() scenegraph/qsgopengllayer.cpp:316
    #1 0x7f00b6220954 in QSGOpenGLLayer::updateTexture() scenegraph/qsgopengllayer.cpp:187
    #2 0x7f00b636dc05 in QQuickOpenGLShaderEffectMaterial::updateTextures() const items/qquickopenglshadereffectnode.cpp:474
    #3 0x7f00b61aef07 in QSGRenderer::preprocess() scenegraph/coreapi/qsgrenderer.cpp:337
    #4 0x7f00b61ae7c2 in QSGRenderer::renderScene(QSGBindable const&) scenegraph/coreapi/qsgrenderer.cpp:238
    #5 0x7f00b61aece6 in QSGRenderer::renderScene(unsigned int) scenegraph/coreapi/qsgrenderer.cpp:212
    #6 0x7f00b6218470 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) scenegraph/qsgdefaultrendercontext.cpp:228
    #7 0x7f00b627bcf8 in QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&) items/qquickwindow.cpp:617
    #8 0x7f00b62259ae in QSGRenderThread::syncAndRender(QImage*) scenegraph/qsgthreadedrenderloop.cpp:837
    #9 0x7f00b622985a in QSGRenderThread::run() scenegraph/qsgthreadedrenderloop.cpp:1043
    #10 0x7f00b40feb34 in QThreadPrivate::start(void*) thread/qthread_unix.cpp:329
    #11 0x7f00b316a258 in start_thread (/usr/lib/../lib/libpthread.so.0+0x9258)
    #12 0x7f00b32945e2 in __GI___clone (/usr/lib/libc.so.6+0xfe5e2)

import QtQuick 2.12
import QtQuick.Window 2.15
import QtGraphicalEffects 1.15

Item {

    Window {
        id: window1
        visible: true
        Rectangle {
            id: root1
            color: "blue"
            anchors.fill: parent
        }
    }

    Window {
        id: window2
        visible: true
        Rectangle {
            id: root2
            color: "red"
            anchors.fill: parent

            Rectangle {
                id: itemToMove
                anchors.fill: parent

                MouseArea {
                    anchors.fill: parent
                    onClicked: {
                        console.log("Clicked");
                        if (itemToMove.parent == root2) {
                            itemToMove.parent = root1;
                        } else {
                            itemToMove.parent = root2;
                        }
                    }

                    Rectangle {
                        id: rectangle
                        width: 100
                        height: 100
                        anchors.verticalCenter: parent.verticalCenter
                        ColorOverlay {
                            visible: true
                            anchors.fill: rectangle
                            source: rectangle
                            color: "#FFFFFF"
                        }
                    }

                    Text {
                        text: "click me"
                        anchors.fill: parent
                    }
                }
            }
        }
    }
}