QAbstractItemModel used as QML type crashes upon multiselection when mouse goes beyond row 0 of TreeView.

TEMPLATE = app
TARGET = filesystembrowser
QT += qml quick widgetsSOURCES += main.cppRESOURCES += qml.qrc
CONFIG += c++11INSTALLS += target

#include <QApplication>
#include <QQmlApplicationEngine>
#include <QtQml>
#include <QFileSystemModel>

class DisplayFileSystemModel : public QFileSystemModel {
    Q_OBJECT
public:
    explicit DisplayFileSystemModel(QObject *parent = nullptr)
        : QFileSystemModel(parent) {}

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override
    {
        return QFileSystemModel::data(index, role);
    }

    QHash<int,QByteArray> roleNames() const override
    {
         QHash<int, QByteArray> result = QFileSystemModel::roleNames();
         return result;
    }
};

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QQmlApplicationEngine engine;
    qmlRegisterUncreatableType<DisplayFileSystemModel>("io.qt.examples.quick.controls.filesystembrowser", 1, 0,
                                                       "FileSystemModel", "Cannot create a FileSystemModel instance.");

    QFileSystemModel *fsm = new DisplayFileSystemModel(&engine);

    fsm->setRootPath(QDir::homePath());
    fsm->setResolveSymlinks(true);
    engine.rootContext()->setContextProperty("fileSystemModel", fsm);
    engine.rootContext()->setContextProperty("rootPathIndex", fsm->index(fsm->rootPath()));
    engine.load(QUrl(QStringLiteral("qrc:///main.qml")));

    if (engine.rootObjects().isEmpty())
        return -1;

    return app.exec();
}

#include "main.moc"

import QtQuick 2.11
import QtQuick.Controls 1.4
import QtQml.Models 2.11

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("File System")

    ItemSelectionModel {
        id: selectionModel
        model: fileSystemModel
    }

    TreeView {
        id: view
        anchors.fill: parent
        model: fileSystemModel
        rootIndex: rootPathIndex

        selection: selectionModel
        selectionMode: SelectionMode.MultiSelection //SelectionMode.ExtendedSelection

        TableViewColumn {
            title: "Name"
            role: "fileName"
            resizable: true
        }
    }
}

1  QPersistentModelIndex::operator QModelIndex const& qabstractitemmodel.cpp           272  0x7ffff585c0d0 
2  QQuickTreeModelAdaptor1::selectionForRowRange      qquicktreemodeladaptor.cpp       292  0x7fffd8cdc9b8 
3  QQuickTreeModelAdaptor1::qt_static_metacall        moc_qquicktreemodeladaptor_p.cpp 212  0x7fffd8cf3eb8 
4  QQuickTreeModelAdaptor1::qt_metacall               moc_qquicktreemodeladaptor_p.cpp 337  0x7fffd8cf46d8 
5  QQmlObjectOrGadget::metacall                       qqmlpropertycache.cpp            1733 0x7ffff637c389 
6  CallMethod                                         qv4qobjectwrapper.cpp            1175 0x7ffff62e9d7d 
7  CallPrecise                                        qv4qobjectwrapper.cpp            1437 0x7ffff62eb2cd 
8  QV4::QObjectMethod::callInternal                   qv4qobjectwrapper.cpp            1975 0x7ffff62ec056 
9  QV4::FunctionObject::call                          qv4functionobject_p.h            163  0x7ffff6306f60 
10 QV4::Runtime::method_callProperty                  qv4runtime.cpp                   1062 0x7ffff6306f60 
11 QV4::Moth::VME::exec                               qv4vme_moth.cpp                  800  0x7ffff62f9d4a 
12 QV4::FunctionObject::call                          qv4functionobject_p.h            163  0x7ffff6306f60 
13 QV4::Runtime::method_callProperty                  qv4runtime.cpp                   1062 0x7ffff6306f60 
14 QV4::Moth::VME::exec                               qv4vme_moth.cpp                  800  0x7ffff62f9d4a 
15 QV4::Moth::VME::exec                               qv4vme_moth_p.h                  72   0x7ffff63ab1b6 
16 QV4::Function::call                                qv4function_p.h                  72   0x7ffff63ab1b6 
17 QQmlJavaScriptExpression::evaluate                 qqmljavascriptexpression.cpp     217  0x7ffff63ab1b6 
18 QQmlBoundSignalExpression::evaluate                qqmlboundsignal.cpp              237  0x7ffff63411e9 
19 QQmlBoundSignal_callback                           qqmlboundsignal.cpp              370  0x7ffff63426d3 
20 QQmlNotifier::emitNotify                           qqmlnotifier.cpp                 106  0x7ffff63865f4 
21 QQmlData::signalEmitted                            qqmlengine.cpp                   861  0x7ffff6325114 
22 QMetaObject::activate                              qobject.cpp                      3649 0x7ffff58d57f2 
23 QMetaObject::activate                              qobject.cpp                      3633 0x7ffff58d5a97 
24 QQmlTimer::triggered                               moc_qqmltimer_p.cpp              261  0x7ffff6412740 
25 QQmlTimer::ticked                                  qqmltimer.cpp                    323  0x7ffff6412b6f 
26 QQmlTimer::event                                   qqmltimer.cpp                    335  0x7ffff6412e3c 
27 QApplicationPrivate::notify_helper                 qapplication.cpp                 3727 0x7ffff7083e2c 
28 QApplication::notify                               qapplication.cpp                 3486 0x7ffff708af60 
29 QCoreApplication::notifyInternal2                  qcoreapplication.cpp             1048 0x7ffff58aa2d8 
30 QCoreApplication::sendEvent                        qcoreapplication.h               234  0x7ffff58acceb 
31 QCoreApplicationPrivate::sendPostedEvents          qcoreapplication.cpp             1745 0x7ffff58acceb 
32 QCoreApplication::sendPostedEvents                 qcoreapplication.cpp             1599 0x7ffff58ad1d8 
33 postEventSourceDispatch                            qeventdispatcher_glib.cpp        276  0x7ffff58fed93 
34 g_main_context_dispatch                                                                  0x7ffff18537f7 
35 ??                                                                                       0x7ffff1853a60 
36 g_main_context_iteration                                                                 0x7ffff1853b0c 
37 QEventDispatcherGlib::processEvents                qeventdispatcher_glib.cpp        422  0x7ffff58fe3ff 
38 QPAEventDispatcherGlib::processEvents              qeventdispatcher_glib.cpp        69   0x7fffee8740d1 
39 QEventLoop::exec                                   qeventloop.cpp                   214  0x7ffff58a8c3a 
40 QCoreApplication::exec                             qcoreapplication.cpp             1336 0x7ffff58b1640 
41 main                                               main.cpp                         43   0x5555555572f5 

QPersistentModelIndex::operator const QModelIndex&() const
{
    static const QModelIndex invalid;
    if (d)                              <--- DEBUGGER HALTS HERE
        return d->index;
    return invalid;
}