Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic i686
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
Pressing the "Back" button from the "Screen Settings" of the "System Settings" application
The bug looks like repeatable

-- Backtrace:
Application: Параметры системы (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#7  0xb5354f16 in QQuickItemPrivate::addToDirtyList() () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#8  0xb5354fc1 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#9  0xb535581a in QQuickItem::update() () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#10 0xb535fbf9 in ?? () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#11 0xb61e6590 in QMetaCallEvent::placeMetaCall (this=0xa078d710, object=0x96e3320) at kernel/qobject.cpp:485
#12 0xb61e9d03 in QObject::event (this=0x96e3320, e=0xa078d710) at kernel/qobject.cpp:1245
#13 0xb535e5ca in QQuickItem::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#14 0xb6c3782a in QApplicationPrivate::notify_helper (this=0x8c04bf8, receiver=0x96e3320, e=0xa078d710) at kernel/qapplication.cpp:3720
#15 0xb6c3d081 in QApplication::notify (this=0xbfc62920, receiver=0x96e3320, e=0xa078d710) at kernel/qapplication.cpp:3503
#16 0xb61b5b8a in QCoreApplication::notifyInternal (this=0xbfc62920, receiver=0x96e3320, event=0xa078d710) at kernel/qcoreapplication.cpp:935
#17 0xb61b7e7c in sendEvent (event=0xa078d710, receiver=0x96e3320) at kernel/qcoreapplication.h:228
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8c04558) at kernel/qcoreapplication.cpp:1552
#19 0xb61b8597 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1410
#20 0xb62115d3 in postEventSourceDispatch (s=0x8c525e0) at kernel/qeventdispatcher_glib.cpp:271
#21 0xb4aaed64 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb4aaf089 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb4aaf156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb62119e4 in QEventDispatcherGlib::processEvents (this=0x8c549e8, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0xb0078611 in QPAEventDispatcherGlib::processEvents (this=0x8c549e8, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
#26 0xb61b2d93 in QEventLoop::processEvents (this=0xbfc62858, flags=...) at kernel/qeventloop.cpp:128
#27 0xb61b31fa in QEventLoop::exec (this=0xbfc62858, flags=...) at kernel/qeventloop.cpp:204
#28 0xb61bb315 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0xb666ea41 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0xb6c32da4 in QApplication::exec () at kernel/qapplication.cpp:2956
#31 0x08053f85 in main (argc=1, argv=0xbfc629f4) at ../../app/main.cpp:54

Reported using DrKonqi