Application that crashed: knetworkmanager
Version of the application: v0.9
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I open Network managemet tool and change wlan connection parameters when system use wlan0. I push "Ok" and Network management tool show bug report.

 -- Backtrace:
Application: KNetworkManager (knetworkmanager), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f683ca21a99 in WirelessSecuritySettingWidget::writeConfig() () from /usr/lib/libknmui.so.4
#6  0x00007f683ca387d2 in ConnectionSecretsJob::dialogAccepted() () from /usr/lib/libknmui.so.4
#7  0x00007f683ca07ec4 in ConnectionSecretsJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libknmui.so.4
#8  0x00007f683fac4ddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#9  0x00007f68418734a8 in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#10 0x00007f68418756b9 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#11 0x00007f683fac4ddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#12 0x00007f683fac790e in QSignalMapper::mapped(int) () from /usr/lib/libQtCore.so.4
#13 0x00007f683fac8b00 in QSignalMapper::map(QObject*) () from /usr/lib/libQtCore.so.4
#14 0x00007f683fac8d70 in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#15 0x00007f683fac4ddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#16 0x00007f68407b58e7 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#17 0x00007f684051741b in ?? () from /usr/lib/libQtGui.so.4
#18 0x00007f684051902b in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007f6840519275 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007f68402029c0 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f68401b3efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x00007f68401bb011 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00007f68418feab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#24 0x00007f683faafc2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#25 0x00007f68401ba8e0 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#26 0x00007f6840220a0e in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f684021faa9 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#28 0x00007f6840248d0c in ?? () from /usr/lib/libQtGui.so.4
#29 0x00007f683ba2fbbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x00007f683ba33588 in ?? () from /lib/libglib-2.0.so.0
#31 0x00007f683ba336b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x00007f683fad81a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#33 0x00007f68402484be in ?? () from /usr/lib/libQtGui.so.4
#34 0x00007f683faae532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x00007f683faae904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x00007f683fab0ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#37 0x000000000040d12f in _start ()

Reported using DrKonqi