Application: kcmshell4 (4.14.14)
KDE Platform Version: 4.14.21
Qt Version: 4.8.7
Operating System: Linux 4.4.14 x86_64
Distribution (Platform): Slackware Packages

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

Trying adjust date and hour. When i select to set automatically, after the crash report, the date and hour has been change.

- Custom settings of the application:

I have a dual boot with Windows 10 and Slackware 14.2. Both are configured to set automatically date and hour with time zone, but slackware has 3 hours delay.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f69e246e780 (LWP 405))]

Thread 3 (Thread 0x7f69bd613700 (LWP 2195)):
#0  0x00007f69def9530d in poll () at /lib64/libc.so.6
#1  0x00007f69db6bd954 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f69db6bdcd2 in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f69cfe6aa56 in  () at /usr/lib64/libgio-2.0.so.0
#4  0x00007f69db6e31e5 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f69e0a59684 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f69defa0efd in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f69bde14700 (LWP 2194)):
#0  0x00007f69def9530d in poll () at /lib64/libc.so.6
#1  0x00007f69db6bd954 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f69db6bda5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f69db6bda99 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f69db6e31e5 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f69e0a59684 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f69defa0efd in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f69e246e780 (LWP 405)):
[KCrash Handler]
#6  0x0000000000000000 in  ()
#7  0x00007f69e0e15524 in QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType) () at /usr/lib64/qt/lib/libQtCore.so.4
#8  0x00007f69e0e1d3ac in  () at /usr/lib64/qt/lib/libQtCore.so.4
#9  0x00007f69e0e1d46e in QTimer::singleShot(int, QObject*, char const*) () at /usr/lib64/qt/lib/libQtCore.so.4
#10 0x00007f69c3f5e283 in  () at /usr/lib64/kde4/kcm_clock.so
#11 0x00007f69d07df3e7 in KCModuleProxy::save() () at /usr/lib64/libkcmutils.so.4
#12 0x00007f69d07da2e8 in  () at /usr/lib64/libkcmutils.so.4
#13 0x00007f69e0e12e30 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/qt/lib/libQtCore.so.4
#14 0x00007f69e1f2bbcf in KPushButton::authorized(KAuth::Action*) () at /usr/lib64/libkdeui.so.5
#15 0x00007f69e0e12e30 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/qt/lib/libQtCore.so.4
#16 0x00007f69e05b6532 in QAbstractButton::clicked(bool) () at /usr/lib64/qt/lib/libQtGui.so.4
#17 0x00007f69e030e763 in  () at /usr/lib64/qt/lib/libQtGui.so.4
#18 0x00007f69e030f954 in  () at /usr/lib64/qt/lib/libQtGui.so.4
#19 0x00007f69e030fa44 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#20 0x00007f69dffa84d0 in QWidget::event(QEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#21 0x00007f69dff5548c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#22 0x00007f69dff5c0c3 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#23 0x00007f69e1e608ea in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#24 0x00007f69e0dffc0d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/qt/lib/libQtCore.so.4
#25 0x00007f69dff5b75d in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/qt/lib/libQtGui.so.4
#26 0x00007f69dffd2af9 in  () at /usr/lib64/qt/lib/libQtGui.so.4
#27 0x00007f69dffd0df5 in QApplication::x11ProcessEvent(_XEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#28 0x00007f69dfff8942 in  () at /usr/lib64/qt/lib/libQtGui.so.4
#29 0x00007f69db6bd787 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f69db6bd9b8 in  () at /usr/lib64/libglib-2.0.so.0
#31 0x00007f69db6bda5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#32 0x00007f69e0e2e0ae in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/qt/lib/libQtCore.so.4
#33 0x00007f69dfff89e6 in  () at /usr/lib64/qt/lib/libQtGui.so.4
#34 0x00007f69e0dfe5d1 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/qt/lib/libQtCore.so.4
#35 0x00007f69e0dfe8e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/qt/lib/libQtCore.so.4
#36 0x00007f69e040904c in QDialog::exec() () at /usr/lib64/qt/lib/libQtGui.so.4
#37 0x00007f69c9cde586 in kdemain () at /usr/lib64/libkdeinit4_kcmshell4.so
#38 0x0000000000408c21 in  ()
#39 0x00000000004099f7 in  ()
#40 0x000000000040a13a in  ()
#41 0x0000000000405952 in  ()
#42 0x00007f69deeba7d0 in __libc_start_main () at /lib64/libc.so.6
#43 0x00000000004067b9 in _start ()

Reported using DrKonqi