Segfault when closing QtQuick Canvas app

import QtQuick 2.0

Canvas {
    width: 400
    height: 400
    renderStrategy: Canvas.Threaded // Comment out this ...

    onPaint: { 
        var ctx = getContext("2d"); // ... or this to avoid the bug.
    }
}

0 glDeleteTextures /usr/lib/nvidia-current/libGL.so.1 0x7ffff41a3189
1 QSGPlainTexture::~QSGPlainTexture qsgtexture.cpp 542 0x7ffff78afb59
2 QSGPlainTexture::~QSGPlainTexture qsgtexture.cpp 543 0x7ffff78afba8
3 QQuickContext2DImageTexture::~QQuickContext2DImageTexture qquickcontext2dtexture.cpp 573 0x7ffff7a40d8d
4 QQuickContext2DImageTexture::~QQuickContext2DImageTexture qquickcontext2dtexture.cpp 574 0x7ffff7a40df4
5 qDeleteInEventHandler qobject.cpp 4158 0x7ffff5b95498
6 QObject::event qobject.cpp 1061 0x7ffff5b8ce70
7 QApplicationPrivate::notify_helper qapplication.cpp 3442 0x7ffff693b146
8 QApplication::notify qapplication.cpp 2845 0x7ffff69387f6
9 QCoreApplication::notifyInternal qcoreapplication.cpp 871 0x7ffff5b52f58
10 QCoreApplication::sendEvent qcoreapplication.h 232 0x7ffff5b56bbb
11 QCoreApplicationPrivate::sendPostedEvents qcoreapplication.cpp 1473 0x7ffff5b54038
12 QCoreApplication::sendPostedEvents qcoreapplication.cpp 1333 0x7ffff5b53bff
13 postEventSourceDispatch qeventdispatcher_glib.cpp 279 0x7ffff5bc41a8
14 g_main_context_dispatch /lib/x86_64-linux-gnu/libglib-2.0.so.0 0x7ffff3790d53
15 ?? /lib/x86_64-linux-gnu/libglib-2.0.so.0 0x7ffff37910a0
16 g_main_context_iteration /lib/x86_64-linux-gnu/libglib-2.0.so.0 0x7ffff3791164
17 QEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 426 0x7ffff5bc497b
18 QEventLoop::processEvents qeventloop.cpp 136 0x7ffff5b4fb18
19 QEventLoop::exec qeventloop.cpp 212 0x7ffff5b4fdf1
20 QThread::exec qthread.cpp 507 0x7ffff590da18
... <More>