Application: kcmshell4 (4.11.5)
KDE Platform Version: 4.11.5 (Compiled from sources)
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic x86_64
Distribution: Linux Mint 16 Petra

-- Information about the crash:
I was download security update in the software manager and the system crashed?!

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc4140f27c0 (LWP 17704))]

Thread 3 (Thread 0x7fc401d41700 (LWP 17705)):
#0  __GI___pthread_mutex_lock (mutex=0x19bdde0) at pthread_mutex_lock.c:47
#1  0x00007fc40e6333a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc40e5f368a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc40e5f3b0a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc40265ab66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007fc40e6180f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fc40f117f6e in start_thread (arg=0x7fc401d41700) at pthread_create.c:311
#7  0x00007fc413a2e9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fc3fbfff700 (LWP 17712)):
#0  0x00007fc40e6330ed in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc40e6333c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc40e5f3119 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc40e5f363b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc40e5f37ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc412639a76 in QEventDispatcherGlib::processEvents (this=0x7fc3f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fc41260b5ef in QEventLoop::processEvents (this=this@entry=0x7fc3fbffed70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fc41260b8e5 in QEventLoop::exec (this=this@entry=0x7fc3fbffed70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fc41250a88f in QThread::exec (this=this@entry=0x1af2a90) at thread/qthread.cpp:542
#9  0x00007fc4125ecd13 in QInotifyFileSystemWatcherEngine::run (this=0x1af2a90) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fc41250cf2f in QThreadPrivate::start (arg=0x1af2a90) at thread/qthread_unix.cpp:338
#11 0x00007fc40f117f6e in start_thread (arg=0x7fc3fbfff700) at pthread_create.c:311
#12 0x00007fc413a2e9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fc4140f27c0 (LWP 17704)):
[KCrash Handler]
#6  0x000002a700000bf6 in ?? ()
#7  0x00007fc412616ef4 in QMetaObject::invokeMethod (obj=obj@entry=0x1b1ec10, member=<optimized out>, type=type@entry=Qt::QueuedConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1166
#8  0x00007fc412629cd5 in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::QueuedConnection, member=<optimized out>, obj=0x1b1ec10) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:418
#9  QTimer::singleShot (msec=0, receiver=0x1b1ec10, member=0x7fc402f70930 "1restoreState()") at kernel/qtimer.cpp:360
#10 0x00007fc402f6ad7d in ?? () from /usr/lib/kde4/kcm_ufw.so
#11 0x00007fc402f45833 in ?? () from /usr/lib/kde4/kcm_ufw.so
#12 0x00007fc402f49b40 in ?? () from /usr/lib/kde4/kcm_ufw.so
#13 0x00007fc412620a58 in QMetaObject::activate (sender=sender@entry=0x18e1440, m=m@entry=0x7fc41247c2a0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffafd40f80) at kernel/qobject.cpp:3539
#14 0x00007fc411ff7732 in QAbstractButton::clicked (this=this@entry=0x18e1440, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#15 0x00007fc411d5af73 in QAbstractButtonPrivate::emitClicked (this=this@entry=0x18e1470) at widgets/qabstractbutton.cpp:548
#16 0x00007fc411d5c0e3 in QAbstractButtonPrivate::click (this=this@entry=0x18e1470) at widgets/qabstractbutton.cpp:541
#17 0x00007fc411d5c1cc in QAbstractButton::mouseReleaseEvent (this=0x18e1440, e=0x7fffafd41480) at widgets/qabstractbutton.cpp:1123
#18 0x00007fc411e12d9a in QToolButton::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:718
#19 0x00007fc4119f931e in QWidget::event (this=0x18e1440, event=0x7fffafd41480) at kernel/qwidget.cpp:8375
#20 0x00007fc4119a9dfc in QApplicationPrivate::notify_helper (this=this@entry=0x15f7730, receiver=receiver@entry=0x18e1440, e=e@entry=0x7fffafd41480) at kernel/qapplication.cpp:4567
#21 0x00007fc4119b05ad in QApplication::notify (this=this@entry=0x7fffafd41da0, receiver=receiver@entry=0x18e1440, e=e@entry=0x7fffafd41480) at kernel/qapplication.cpp:4110
#22 0x00007fc4132d0a6a in KApplication::notify (this=0x7fffafd41da0, receiver=0x18e1440, event=0x7fffafd41480) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007fc41260c8bd in QCoreApplication::notifyInternal (this=0x7fffafd41da0, receiver=receiver@entry=0x18e1440, event=event@entry=0x7fffafd41480) at kernel/qcoreapplication.cpp:946
#24 0x00007fc4119afd63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x18e1440, event=event@entry=0x7fffafd41480, alienWidget=alienWidget@entry=0x18e1440, nativeWidget=nativeWidget@entry=0x18504c0, buttonDown=buttonDown@entry=0x7fc41248e2f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#26 0x00007fc411a247db in QETWidget::translateMouseEvent (this=this@entry=0x18504c0, event=event@entry=0x7fffafd41800) at kernel/qapplication_x11.cpp:4631
#27 0x00007fc411a24079 in QApplication::x11ProcessEvent (this=0x7fffafd41da0, event=event@entry=0x7fffafd41800) at kernel/qapplication_x11.cpp:3624
#28 0x00007fc411a4b922 in x11EventSourceDispatch (s=0x15e8360, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007fc40e5f33b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fc40e5f3708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fc40e5f37ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fc412639a55 in QEventDispatcherGlib::processEvents (this=0x15c6610, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0x00007fc411a4b9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007fc41260b5ef in QEventLoop::processEvents (this=this@entry=0x7fffafd41bf0, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007fc41260b8e5 in QEventLoop::exec (this=this@entry=0x7fffafd41bf0, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007fc411e5038c in QDialog::exec (this=this@entry=0x18504c0) at dialogs/qdialog.cpp:554
#37 0x00007fc413d03cb5 in kdemain (_argc=<optimized out>, _argv=<optimized out>) at ../../kcmshell/main.cpp:297
#38 0x00007fc413955de5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=2, ubp_av=0x7fffafd41ed8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffafd41ec8) at libc-start.c:260
#39 0x00000000004006fe in _start ()

Reported using DrKonqi