Application: systemsettings5 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:

I closed System Settings window after changing the windows decorations theme.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f2de33fff97 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f2de33aa151 in QV4::ExecutionEngine::~ExecutionEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f2de34e20d5 in QV8Engine::~QV8Engine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f2de34e22b9 in QV8Engine::~QV8Engine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f2de3347061 in QJSEngine::~QJSEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f2de34443c5 in QQmlEngine::~QQmlEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f2de3444499 in QQmlEngine::~QQmlEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f2dbd3a6242 in cleanup (pointer=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
#14 reset (other=0x0, this=0x7f2dbd635708 <Aurorae::Helper::instance()::s_helper+8>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:149
#15 Aurorae::Helper::unref (this=0x7f2dbd635700 <Aurorae::Helper::instance()::s_helper>) at ../../../../clients/aurorae/src/aurorae.cpp:113
#16 0x00007f2dbd3aa3f8 in unref (this=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:271
#17 Aurorae::Decoration::~Decoration (this=0x17348d0, __in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:266
#18 0x00007f2dbd3aa419 in Aurorae::Decoration::~Decoration (this=0x17348d0, __in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:277
#19 0x00007f2de4788778 in QObject::event (this=0x17348d0, e=<optimized out>) at kernel/qobject.cpp:1236
#20 0x00007f2de5542b2c in QApplicationPrivate::notify_helper (this=0xc045c0, receiver=0x17348d0, e=0x146ed60) at kernel/qapplication.cpp:3720
#21 0x00007f2de5548000 in QApplication::notify (this=0x7ffdb3c3b3f0, receiver=0x17348d0, e=0x146ed60) at kernel/qapplication.cpp:3503
#22 0x00007f2de4756c2b in QCoreApplication::notifyInternal (this=0x7ffdb3c3b3f0, receiver=0x17348d0, event=event@entry=0x146ed60) at kernel/qcoreapplication.cpp:935
#23 0x00007f2de4758c9b in sendEvent (event=0x146ed60, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xc037e0) at kernel/qcoreapplication.cpp:1552
#25 0x00007f2de4759298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#26 0x00007f2de47af843 in postEventSourceDispatch (s=0xc74520) at kernel/qeventdispatcher_glib.cpp:271
#27 0x00007f2de0bacc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f2de0bacf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f2de0bacfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f2de47afc57 in QEventDispatcherGlib::processEvents (this=0xc71f60, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007f2de47543e2 in QEventLoop::exec (this=this@entry=0x7ffdb3c3b2d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#32 0x00007f2de475c02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#33 0x00007f2de4f7d31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#34 0x00007f2de553e7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#35 0x000000000040ef5b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Reported using DrKonqi