Application: kvpnc (0.9.6)
KDE Platform Version: 4.14.13
Qt Version: 4.8.7
Operating System: Linux 4.2.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (stretch)

-- Information about the crash:
I had a VPN configured in kvpnc and crashed when notified disconnected from the server.
I have received a pop up in my desktop explaining the disconnection event, and when I clicked OK, the app crashed.

-- Backtrace:
Application: KVpnc (kvpnc), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  QObject::~QObject (this=0x109ff40, __in_chrg=<optimized out>) at kernel/qobject.cpp:943
#7  0x00007fc136ebbec9 in KNotification::~KNotification (this=0x109ff40, __in_chrg=<optimized out>) at ../../kdeui/notifications/knotification.cpp:113
#8  0x00007fc13619af88 in QObject::event (this=0x109ff40, e=<optimized out>) at kernel/qobject.cpp:1203
#9  0x00007fc1352468dc in QApplicationPrivate::notify_helper (this=this@entry=0xddddb0, receiver=receiver@entry=0x109ff40, e=e@entry=0x1081a30) at kernel/qapplication.cpp:4570
#10 0x00007fc13524d816 in QApplication::notify (this=this@entry=0x7ffd3f01ee40, receiver=receiver@entry=0x109ff40, e=e@entry=0x1081a30) at kernel/qapplication.cpp:4356
#11 0x00007fc136e9072a in KApplication::notify (this=0x7ffd3f01ee40, receiver=0x109ff40, event=0x1081a30) at ../../kdeui/kernel/kapplication.cpp:311
#12 0x00007fc136180abd in QCoreApplication::notifyInternal (this=0x7ffd3f01ee40, receiver=receiver@entry=0x109ff40, event=event@entry=0x1081a30) at kernel/qcoreapplication.cpp:955
#13 0x00007fc136184576 in QCoreApplication::sendEvent (event=0x1081a30, receiver=0x109ff40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#14 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xdaa410) at kernel/qcoreapplication.cpp:1579
#15 0x00007fc136184853 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472
#16 0x00007fc1361b1293 in QCoreApplication::sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 postEventSourceDispatch (s=0xddc880) at kernel/qeventdispatcher_glib.cpp:280
#18 0x00007fc1308fafe7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fc1308fb240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fc1308fb2ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fc1361b13e4 in QEventDispatcherGlib::processEvents (this=0xdabcf0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#22 0x00007fc1352f0a36 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007fc13617f331 in QEventLoop::processEvents (this=this@entry=0x7ffd3f01edc0, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007fc13617f6a5 in QEventLoop::exec (this=this@entry=0x7ffd3f01edc0, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007fc136185689 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#26 0x00000000005c4fc2 in ?? ()
#27 0x00007fc134468b45 in __libc_start_main (main=0x5c2ed5, argc=1, argv=0x7ffd3f01fac8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd3f01fab8) at libc-start.c:287
#28 0x0000000000419d19 in _start ()

Possible duplicates by query: bug 298653.

Reported using DrKonqi