[Bug 251972] New: kontact crash after moving a calendar event from one day to another in the GUI

[p92 at free.fr]

https://bugs.kde.org/show_bug.cgi?id=251972

           Summary: kontact crash after moving a calendar event from one
                    day to another in the GUI
           Product: kontact
           Version: 4.4.5
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: p92 at free.fr


Application: kontact (4.4.5)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
moving a calendar event from one day to another day of the same week

- Unusual behavior I noticed:
I could move the event but when I dropped the event on the destination day
kontact crashed

- Custom settings of the application:
none

procedure : 
1. create a 4 hours long event on tuesday for example from 2pm to 6pm
2. have the all week view on calendar showing the event in 1
3. drag and drop the event from tuesday to sunday 11pm (it may be important
that the event destination cross the day)
==> crash just after the event is dropped

moreover when you re open kontact the event is  LOST too from both tuesday and
sunday !

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f981f12b780 (LWP 15759))]

Thread 2 (Thread 0x7f97f8c60710 (LWP 15793)):
#0  0x00007f981c122f83 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f9814e644a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f9814e648fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f981c87a1d6 in QEventDispatcherGlib::processEvents (this=0x2887f90,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f981c84cdd2 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f981c84d1bc in QEventLoop::exec (this=0x7f97f8c5fd90, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f981c75836d in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f981c82cb48 in QInotifyFileSystemWatcherEngine::run (this=0x2887320)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f981c75b2ee in QThreadPrivate::start (arg=0x2887320) at
thread/qthread_unix.cpp:266
#9  0x00007f98171f19ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#10 0x00007f981c12f6fd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f981f12b780 (LWP 15759)):
[KCrash Handler]
#6  ~QObject (this=<value optimized out>, __in_chrg=<value optimized out>) at
kernel/qobject.cpp:820
#7  0x00007f97f2b5b346 in qDeleteAll<QList<KOAgendaItem*>::const_iterator>
(this=0x2c0cd50) at /usr/include/qt4/QtCore/qalgorithms.h:322
#8  qDeleteAll<QList<KOAgendaItem*> > (this=0x2c0cd50) at
/usr/include/qt4/QtCore/qalgorithms.h:330
#9  KOAgenda::deleteItemsToDelete (this=0x2c0cd50) at
../../korganizer/views/agendaview/koagenda.cpp:1738
#10 0x00007f97f2b5d50e in KOAgenda::qt_metacall (this=0x2c0cd50,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x327f1a0) at
./koagenda.moc:221
#11 0x00007f981c85fe7e in QObject::event (this=0x2c0cd50, e=0x2e1c8a0) at
kernel/qobject.cpp:1219
#12 0x00007f981d2737ff in QWidget::event (this=0x2c0cd50, event=0x329e0f0) at
kernel/qwidget.cpp:8617
#13 0x00007f981d63aba6 in QFrame::event (this=0x2c0cd50, e=0x329e0f0) at
widgets/qframe.cpp:557
#14 0x00007f981d21e76c in QApplicationPrivate::notify_helper (this=0xaf3b60,
receiver=0x2c0cd50, e=0x329e0f0) at kernel/qapplication.cpp:4396
#15 0x00007f981d22425d in QApplication::notify (this=0x7fff5a1f69f0,
receiver=0x2c0cd50, e=0x329e0f0) at kernel/qapplication.cpp:4277
#16 0x00007f981df792e6 in KApplication::notify (this=0x7fff5a1f69f0,
receiver=0x2c0cd50, event=0x329e0f0) at ../../kdeui/kernel/kapplication.cpp:310
#17 0x00007f981c84e0ac in QCoreApplication::notifyInternal
(this=0x7fff5a1f69f0, receiver=0x2c0cd50, event=0x329e0f0) at
kernel/qcoreapplication.cpp:732
#18 0x00007f981c850fd2 in QCoreApplication::sendEvent (receiver=0x0,
event_type=<value optimized out>, data=0xac7b40) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0xac7b40) at kernel/qcoreapplication.cpp:1373
#20 0x00007f981c87a643 in QCoreApplication::sendPostedEvents (s=0xaf7240) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#21 postEventSourceDispatch (s=0xaf7240) at
kernel/qeventdispatcher_glib.cpp:277
#22 0x00007f9814e608c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007f9814e64748 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007f9814e648fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#25 0x00007f981c87a183 in QEventDispatcherGlib::processEvents (this=0xac7680,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#26 0x00007f981d2d078e in QGuiEventDispatcherGlib::processEvents
(this=0x2e1c8a0, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f981c84cdd2 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#28 0x00007f981c84d1bc in QEventLoop::exec (this=0x7fff5a1f6930, flags=) at
kernel/qeventloop.cpp:201
#29 0x00007f981c85126b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1009
#30 0x0000000000403e8e in main (argc=<value optimized out>, argv=<value
optimized out>) at ../../../kontact/src/main.cpp:224

Reported using DrKonqi

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