[kde] [Bug 347837] New: System Settings crashed when I opened "Applications Appearance"

[Gallardo994]

https://bugs.kde.org/show_bug.cgi?id=347837

            Bug ID: 347837
           Summary: System Settings crashed when I opened "Applications
                    Appearance"
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: evolutionv8 at yandex.ru

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:
System Settings crashed when I opened "Applications Appearance". It doesn't
appear to happen again.

The crash can be reproduced sometimes.

-- Backtrace:
Application: ������������������ �������������� (systemsettings5), signal:
Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f30f657af97 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f30f6525151 in QV4::ExecutionEngine::~ExecutionEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f30f665d0d5 in QV8Engine::~QV8Engine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f30f665d2b9 in QV8Engine::~QV8Engine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f30f64c2061 in QJSEngine::~QJSEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f30f65bf3c5 in QQmlEngine::~QQmlEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f30f65bf499 in QQmlEngine::~QQmlEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f30d4ba0242 in cleanup (pointer=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
#14 reset (other=0x0, this=0x7f30d4e2f708
<Aurorae::Helper::instance()::s_helper+8>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:149
#15 Aurorae::Helper::unref (this=0x7f30d4e2f700
<Aurorae::Helper::instance()::s_helper>) at
../../../../clients/aurorae/src/aurorae.cpp:113
#16 0x00007f30d4ba43f8 in unref (this=<optimized out>) at
../../../../clients/aurorae/src/aurorae.cpp:271
#17 Aurorae::Decoration::~Decoration (this=0x24a0df0, __in_chrg=<optimized
out>) at ../../../../clients/aurorae/src/aurorae.cpp:266
#18 0x00007f30d4ba4419 in Aurorae::Decoration::~Decoration (this=0x24a0df0,
__in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:277
#19 0x00007f30f791b778 in QObject::event (this=0x24a0df0, e=<optimized out>) at
kernel/qobject.cpp:1236
#20 0x00007f30f86e3b2c in QApplicationPrivate::notify_helper (this=0xc5f910,
receiver=0x24a0df0, e=0x20434a0) at kernel/qapplication.cpp:3720
#21 0x00007f30f86e9000 in QApplication::notify (this=0x7ffd68764530,
receiver=0x24a0df0, e=0x20434a0) at kernel/qapplication.cpp:3503
#22 0x00007f30f78e9c2b in QCoreApplication::notifyInternal
(this=0x7ffd68764530, receiver=0x24a0df0, event=event at entry=0x20434a0) at
kernel/qcoreapplication.cpp:935
#23 0x00007f30f78ebc9b in sendEvent (event=0x20434a0, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0xc5eb30) at
kernel/qcoreapplication.cpp:1552
#25 0x00007f30f78ec298 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1410
#26 0x00007f30f7942843 in postEventSourceDispatch (s=0xcd74d0) at
kernel/qeventdispatcher_glib.cpp:271
#27 0x00007f30f3cf1c3d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f30f3cf1f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f30f3cf1fcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f30f7942c57 in QEventDispatcherGlib::processEvents (this=0xcd9460,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007f30f78e73e2 in QEventLoop::exec (this=this at entry=0x7ffd68764410,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#32 0x00007f30f78ef02c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#33 0x00007f30f811b31c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#34 0x00007f30f86df7a5 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

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