Application: systemsettings (1.0)
KDE Platform Version: 4.10.4
Qt Version: 4.8.4
Operating System: Linux 3.9-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
In the 'Workspace Appearance' applet I selected the 'Desktop Theme' tab and tried to download more themes by pressing the 'Get New Themes...' button. In result, the application crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd38b9f5780 (LWP 13153))]

Thread 2 (Thread 0x7fd36e1e2700 (LWP 13154)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd386aa1357 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fd386aa1389 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fd3826f4e0e in start_thread (arg=0x7fd36e1e2700) at pthread_create.c:311
#4  0x00007fd3889e095d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fd38b9f5780 (LWP 13153)):
[KCrash Handler]
#6  0x00007fd389138148 in QObject::connect (sender=0x7fd2e5a49bc8 <vtable for Attica::KdePlatformDependent+232>, signal=0x7fd3831e96d0 "2authenticationRequired(QNetworkReply*,QAuthenticator*)", receiver=0x2231870, method=0x7fd3831e9680 "1authenticate(QNetworkReply*,QAuthenticator*)", type=Qt::AutoConnection) at kernel/qobject.cpp:2550
#7  0x00007fd3831ded70 in Attica::ProviderManager::ProviderManager() () from /usr/lib/libattica.so.0
#8  0x00007fd384e7d151 in KNS3::AtticaProvider::AtticaProvider (this=0x2231840, categories=...) at ../../../knewstuff/knewstuff3/attica/atticaprovider.cpp:40
#9  0x00007fd384e5d1a9 in KNS3::Engine::slotProviderFileLoaded (this=0x2197da0, doc=...) at ../../../knewstuff/knewstuff3/core/engine.cpp:209
#10 0x00007fd384e5dc51 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./engine.moc:125
#11 KNS3::Engine::qt_static_metacall (_o=0x2197da0, _c=2199819984, _id=-1994397802, _a=0x7fd3891fe78e) at ./engine.moc:103
#12 0x00007fd389134dcf in QMetaObject::activate (sender=sender@entry=0x2206db0, m=m@entry=0x7fd3850a0b20 <KNS3::XmlLoader::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffce3cbc90) at kernel/qobject.cpp:3539
#13 0x00007fd384e6def2 in KNS3::XmlLoader::signalLoaded (this=this@entry=0x2206db0, _t1=...) at ./xmlloader.moc:111
#14 0x00007fd384e6df8b in KNS3::XmlLoader::slotJobResult (this=0x2206db0, job=<optimized out>) at ../../../knewstuff/knewstuff3/core/xmlloader.cpp:77
#15 0x00007fd389134dcf in QMetaObject::activate (sender=sender@entry=0x2207260, m=m@entry=0x7fd389bba600 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fffce3cbe00) at kernel/qobject.cpp:3539
#16 0x00007fd38982e722 in KJob::result (this=this@entry=0x2207260, _t1=_t1@entry=0x2207260) at ./kjob.moc:208
#17 0x00007fd38982e760 in KJob::emitResult (this=this@entry=0x2207260) at ../../kdecore/jobs/kjob.cpp:318
#18 0x00007fd3853c6635 in KIO::SimpleJob::slotFinished (this=this@entry=0x2207260) at ../../kio/kio/job.cpp:494
#19 0x00007fd3853c6ad2 in KIO::TransferJob::slotFinished (this=0x2207260) at ../../kio/kio/job.cpp:1081
#20 0x00007fd389134dcf in QMetaObject::activate (sender=sender@entry=0x21f8b90, m=m@entry=0x7fd385762660 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#21 0x00007fd38545e9f3 in KIO::SlaveInterface::finished (this=this@entry=0x21f8b90) at ./slaveinterface.moc:185
#22 0x00007fd3854616f1 in KIO::SlaveInterface::dispatch (this=0x21f8b90, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:172
#23 0x00007fd38545e82a in KIO::SlaveInterface::dispatch (this=0x21f8b90) at ../../kio/kio/slaveinterface.cpp:88
#24 0x00007fd385452dbe in KIO::Slave::gotInput (this=0x21f8b90) at ../../kio/kio/slave.cpp:344
#25 0x00007fd389134dcf in QMetaObject::activate (sender=0x21f5ba0, m=m@entry=0x7fd38575bb80 <KIO::Connection::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#26 0x00007fd385392180 in KIO::Connection::readyRead (this=<optimized out>) at ./connection.moc:106
#27 0x00007fd385392672 in dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:82
#28 KIO::ConnectionPrivate::dequeue (this=0x21ffc50) at ../../kio/kio/connection.cpp:71
#29 0x00007fd38913a29e in QObject::event (this=0x21f5ba0, e=<optimized out>) at kernel/qobject.cpp:1194
#30 0x00007fd389d970ec in QApplicationPrivate::notify_helper (this=this@entry=0xff8930, receiver=receiver@entry=0x21f5ba0, e=e@entry=0x2220900) at kernel/qapplication.cpp:4567
#31 0x00007fd389d99a5b in QApplication::notify (this=this@entry=0x7fffce3ce5b0, receiver=receiver@entry=0x21f5ba0, e=e@entry=0x2220900) at kernel/qapplication.cpp:4428
#32 0x00007fd38aabb5e6 in KApplication::notify (this=0x7fffce3ce5b0, receiver=0x21f5ba0, event=0x2220900) at ../../kdeui/kernel/kapplication.cpp:311
#33 0x00007fd3891203ae in QCoreApplication::notifyInternal (this=0x7fffce3ce5b0, receiver=receiver@entry=0x21f5ba0, event=event@entry=0x2220900) at kernel/qcoreapplication.cpp:946
#34 0x00007fd389123ee1 in sendEvent (event=0x2220900, receiver=0x21f5ba0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#35 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xf9a1f0) at kernel/qcoreapplication.cpp:1570
#36 0x00007fd389124213 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#37 0x00007fd38914eb53 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#38 postEventSourceDispatch (s=0xfe3ce0) at kernel/qeventdispatcher_glib.cpp:279
#39 0x00007fd38221caf6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fd38221ce48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fd38221ceec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fd38914ece6 in QEventDispatcherGlib::processEvents (this=0xf9bad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#43 0x00007fd389e38f9e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#44 0x00007fd38911f0ff in QEventLoop::processEvents (this=this@entry=0x7fffce3cce80, flags=...) at kernel/qeventloop.cpp:149
#45 0x00007fd38911f388 in QEventLoop::exec (this=this@entry=0x7fffce3cce80, flags=...) at kernel/qeventloop.cpp:204
#46 0x00007fd38a24d658 in QDialog::exec (this=0x7fffce3ccee0) at dialogs/qdialog.cpp:554
#47 0x00007fd2e675a5be in ?? () from /usr/lib/kde4/kcm_desktoptheme.so
#48 0x00007fd389134dcf in QMetaObject::activate (sender=sender@entry=0x13b6590, m=m@entry=0x7fd38a85aee0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffce3cd090) at kernel/qobject.cpp:3539
#49 0x00007fd38a3fccb2 in QAbstractButton::clicked (this=this@entry=0x13b6590, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#50 0x00007fd38a151a1e in QAbstractButtonPrivate::emitClicked (this=this@entry=0x1e99a40) at widgets/qabstractbutton.cpp:548
#51 0x00007fd38a152210 in QAbstractButtonPrivate::click (this=this@entry=0x1e99a40) at widgets/qabstractbutton.cpp:541
#52 0x00007fd38a15247c in QAbstractButton::mouseReleaseEvent (this=0x13b6590, e=0x7fffce3cd930) at widgets/qabstractbutton.cpp:1123
#53 0x00007fd389de4149 in QWidget::event (this=0x13b6590, event=0x7fffce3cd930) at kernel/qwidget.cpp:8375
#54 0x00007fd389d970ec in QApplicationPrivate::notify_helper (this=this@entry=0xff8930, receiver=receiver@entry=0x13b6590, e=e@entry=0x7fffce3cd930) at kernel/qapplication.cpp:4567
#55 0x00007fd389d9a2bb in QApplication::notify (this=this@entry=0x7fffce3ce5b0, receiver=receiver@entry=0x13b6590, e=e@entry=0x7fffce3cd930) at kernel/qapplication.cpp:4110
#56 0x00007fd38aabb5e6 in KApplication::notify (this=0x7fffce3ce5b0, receiver=0x13b6590, event=0x7fffce3cd930) at ../../kdeui/kernel/kapplication.cpp:311
#57 0x00007fd3891203ae in QCoreApplication::notifyInternal (this=0x7fffce3ce5b0, receiver=receiver@entry=0x13b6590, event=event@entry=0x7fffce3cd930) at kernel/qcoreapplication.cpp:946
#58 0x00007fd389d9d18b in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#59 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x13b6590, event=event@entry=0x7fffce3cd930, alienWidget=alienWidget@entry=0x13b6590, nativeWidget=nativeWidget@entry=0x11af020, buttonDown=buttonDown@entry=0x7fd38a86d2c8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#60 0x00007fd389e0fb94 in QETWidget::translateMouseEvent (this=this@entry=0x11af020, event=event@entry=0x7fffce3ce0a0) at kernel/qapplication_x11.cpp:4537
#61 0x00007fd389e0e921 in QApplication::x11ProcessEvent (this=0x7fffce3ce5b0, event=event@entry=0x7fffce3ce0a0) at kernel/qapplication_x11.cpp:3660
#62 0x00007fd389e38ea2 in x11EventSourceDispatch (s=0xfedbd0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#63 0x00007fd38221caf6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007fd38221ce48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007fd38221ceec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007fd38914ece6 in QEventDispatcherGlib::processEvents (this=0xf9bad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#67 0x00007fd389e38f9e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#68 0x00007fd38911f0ff in QEventLoop::processEvents (this=this@entry=0x7fffce3ce490, flags=...) at kernel/qeventloop.cpp:149
#69 0x00007fd38911f388 in QEventLoop::exec (this=this@entry=0x7fffce3ce490, flags=...) at kernel/qeventloop.cpp:204
#70 0x00007fd389124a66 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#71 0x000000000040aa1e in ?? ()
#72 0x00007fd388919a55 in __libc_start_main (main=0x40a6c0, argc=5, ubp_av=0x7fffce3ce6f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffce3ce6e8) at libc-start.c:260
#73 0x000000000040aa75 in _start ()

Reported using DrKonqi