[kde] [Bug 342228] New: systemsettings crashes when entering a new web shortcut

[Christian Trippe]

https://bugs.kde.org/show_bug.cgi?id=342228

            Bug ID: 342228
           Summary: systemsettings crashes when entering a new web
                    shortcut
           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: christiandehne at web.de

Application: systemsettings5 (5.1.2)

Qt Version: 5.4.0
Operating System: Linux 3.16.6-2-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
I changed the shortcut web shortcut "wp" to search in the german wikipedia and
the try to add a new shortcut "wpe" which searches in the English wikipedia.
When I confirm the last step systemsettings5 crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2dfe2bc780 (LWP 6375))]

Thread 2 (Thread 0x7f2ded8f7700 (LWP 6376)):
#0  0x00007f2dfa1223cd in poll () from /lib64/libc.so.6
#1  0x00007f2df8a36322 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f2df8a37def in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f2defe47bf9 in QXcbEventReader::run (this=0x180e8e0) at
qxcbconnection.cpp:1099
#4  0x00007f2dfa79c6ff in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007f2df72b50a4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2dfa12a7fd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f2dfe2bc780 (LWP 6375)):
[KCrash Handler]
#5  QString (other=<error reading variable: Cannot access memory at address
0x8>, this=this at entry=0x7fff7c688320) at /usr/include/qt5/QtCore/qstring.h:811
#6  KUriFilterSearchProvider::name (this=0x0) at
/usr/src/debug/kio-5.5.0/src/widgets/kurifilter.cpp:126
#7  0x00007f2ddc6c0d51 in ProvidersModel::data (this=<optimized out>,
index=..., role=<optimized out>) at
/usr/src/debug/kio-5.5.0/src/urifilters/ikws/ikwsopts.cpp:99
#8  0x00007f2dfa93e1e3 in QSortFilterProxyModel::lessThan(QModelIndex const&,
QModelIndex const&) const () from /usr/lib64/libQt5Core.so.5
#9  0x00007f2dfa93f78f in ?? () from /usr/lib64/libQt5Core.so.5
#10 0x00007f2dfa93fad1 in ?? () from /usr/lib64/libQt5Core.so.5
#11 0x00007f2dfa946117 in ?? () from /usr/lib64/libQt5Core.so.5
#12 0x00007f2dfa9a6441 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib64/libQt5Core.so.5
#13 0x00007f2dfaa21724 in QAbstractItemModel::rowsInserted(QModelIndex const&,
int, int, QAbstractItemModel::QPrivateSignal) () from
/usr/lib64/libQt5Core.so.5
#14 0x00007f2dfa9244b2 in QAbstractItemModel::endInsertRows() () from
/usr/lib64/libQt5Core.so.5
#15 0x00007f2ddc6c0a0b in ProvidersModel::addProvider (this=0x19882e0, p=0x0)
at /usr/src/debug/kio-5.5.0/src/urifilters/ikws/ikwsopts.cpp:170
#16 0x00007f2ddc6c0ab1 in FilterOptions::addSearchProvider (this=0x1acc7d0) at
/usr/src/debug/kio-5.5.0/src/urifilters/ikws/ikwsopts.cpp:423
#17 0x00007f2dfa9a6441 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib64/libQt5Core.so.5
#18 0x00007f2dfc10c5c2 in QAbstractButton::clicked (this=this at entry=0x19c1d10,
_t1=false) at .moc/moc_qabstractbutton.cpp:298
#19 0x00007f2dfbe85946 in QAbstractButtonPrivate::emitClicked (this=0x19c2300)
at widgets/qabstractbutton.cpp:534
#20 0x00007f2dfbe8645e in QAbstractButtonPrivate::click (this=0x19c2300) at
widgets/qabstractbutton.cpp:527
#21 0x00007f2dfbe865d4 in QAbstractButton::mouseReleaseEvent (this=0x19c1d10,
e=0x7fff7c688f30) at widgets/qabstractbutton.cpp:1132
#22 0x00007f2dfbdcfb31 in QWidget::event (this=0x19c1d10, event=0x7fff7c688f30)
at kernel/qwidget.cpp:8656
#23 0x00007f2dfbd901dc in QApplicationPrivate::notify_helper
(this=this at entry=0x17f3ae0, receiver=receiver at entry=0x19c1d10,
e=e at entry=0x7fff7c688f30) at kernel/qapplication.cpp:3722
#24 0x00007f2dfbd95b16 in QApplication::notify (this=<optimized out>,
receiver=0x19c1d10, e=0x7fff7c688f30) at kernel/qapplication.cpp:3280
#25 0x00007f2dfa976be5 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#26 0x00007f2dfbd944e1 in sendSpontaneousEvent (event=0x7fff7c688f30,
receiver=0x19c1d10) at ../../src/corelib/kernel/qcoreapplication.h:231
#27 QApplicationPrivate::sendMouseEvent (receiver=receiver at entry=0x19c1d10,
event=event at entry=0x7fff7c688f30, alienWidget=alienWidget at entry=0x19c1d10,
nativeWidget=0x18adcb0, buttonDown=buttonDown at entry=0x7f2dfc4a15b0
<qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous at entry=true) at
kernel/qapplication.cpp:2751
#28 0x00007f2dfbde6f36 in QWidgetWindow::handleMouseEvent
(this=this at entry=0x1b76ea0, event=event at entry=0x7fff7c689380) at
kernel/qwidgetwindow.cpp:506
#29 0x00007f2dfbde8e4b in QWidgetWindow::event (this=0x1b76ea0,
event=0x7fff7c689380) at kernel/qwidgetwindow.cpp:173
#30 0x00007f2dfbd901dc in QApplicationPrivate::notify_helper
(this=this at entry=0x17f3ae0, receiver=receiver at entry=0x1b76ea0,
e=e at entry=0x7fff7c689380) at kernel/qapplication.cpp:3722
#31 0x00007f2dfbd951f0 in QApplication::notify (this=0x7fff7c689830,
receiver=0x1b76ea0, e=0x7fff7c689380) at kernel/qapplication.cpp:3505
#32 0x00007f2dfa976be5 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#33 0x00007f2dfb6085fe in sendSpontaneousEvent (event=0x7fff7c689380,
receiver=0x1b76ea0) at ../../src/corelib/kernel/qcoreapplication.h:231
#34 QGuiApplicationPrivate::processMouseEvent (e=0x1c24b70) at
kernel/qguiapplication.cpp:1796
#35 0x00007f2dfb609cd5 in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x1c24b70) at kernel/qguiapplication.cpp:1598
#36 0x00007f2dfb5f07a8 in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:572
#37 0x00007f2defe6f930 in userEventSourceDispatch (source=<optimized out>) at
eventdispatchers/qeventdispatcher_glib.cpp:70
#38 0x00007f2df6d99a04 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#39 0x00007f2df6d99c48 in ?? () from /usr/lib64/libglib-2.0.so.0
#40 0x00007f2df6d99cec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#41 0x00007f2dfa9cdf0c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#42 0x00007f2dfa974b4b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#43 0x00007f2dfa97c1b6 in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#44 0x00007f2dfb600f0c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1532
#45 0x00007f2dfbd8c9e5 in QApplication::exec () at kernel/qapplication.cpp:2956
#46 0x000000000040f9e0 in main (argc=1, argv=<optimized out>) at
/usr/src/debug/systemsettings-5.1.2/app/main.cpp:55

Reported using DrKonqi

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