Application: kcmshell4 ()
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.8.0
Operating System: Linux 3.2.2-1.fc16.x86_64 x86_64
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
I'm setting WiFi network setting.
Open Wifi setting -> IPv4 setting.but, crash.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE 設定モジュール (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f0159706840 (LWP 2122))]

Thread 3 (Thread 0x7f014ccda700 (LWP 2123)):
#0  0x0000003d914e6af3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003347644fd8 in g_main_context_poll (n_fds=1, fds=0x7f0148002400, priority=<optimized out>, timeout=-1, context=0x7f01480009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7f01480009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x000000334764549c in g_main_context_iteration (context=0x7f01480009a0, may_block=1) at gmain.c:3152
#4  0x000000310cfa7dc6 in QEventDispatcherGlib::processEvents (this=0x7f01480008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x000000310cf78182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x000000310cf783d7 in QEventLoop::exec (this=0x7f014ccd9d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x000000310ce78b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x000000310cf57e7f in QInotifyFileSystemWatcherEngine::run (this=0x20b8b00) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x000000310ce7bb6b in QThreadPrivate::start (arg=0x20b8b00) at thread/qthread_unix.cpp:298
#10 0x0000003d92007d90 in start_thread (arg=0x7f014ccda700) at pthread_create.c:309
#11 0x0000003d914ef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f0147fff700 (LWP 2150)):
#0  0x0000003d914e6af3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003347644fd8 in g_main_context_poll (n_fds=1, fds=0x7f0140002200, priority=<optimized out>, timeout=-1, context=0x7f01400009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7f01400009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x000000334764549c in g_main_context_iteration (context=0x7f01400009a0, may_block=1) at gmain.c:3152
#4  0x000000310cfa7dc6 in QEventDispatcherGlib::processEvents (this=0x7f01400008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x000000310cf78182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x000000310cf783d7 in QEventLoop::exec (this=0x7f0147ffed10, flags=...) at kernel/qeventloop.cpp:204
#7  0x000000310ce78b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x000000310cf57e7f in QInotifyFileSystemWatcherEngine::run (this=0x220aa50) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x000000310ce7bb6b in QThreadPrivate::start (arg=0x220aa50) at thread/qthread_unix.cpp:298
#10 0x0000003d92007d90 in start_thread (arg=0x7f0147fff700) at pthread_create.c:309
#11 0x0000003d914ef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f0159706840 (LWP 2122)):
[KCrash Handler]
#6  deref (this=0x18) at ../../src/corelib/arch/qatomic_x86_64.h:133
#7  QString::operator= (this=0x2172c18, other=...) at tools/qstring.cpp:1407
#8  0x00007f014e470512 in ConnectionWidget::writeConfig (this=0x208be80) at /usr/src/debug/networkmanagement-0.8.98/libs/ui/connectionwidget.cpp:94
#9  0x00007f014e4a9d35 in ConnectionPreferences::save (this=0x21b30f0) at /usr/src/debug/networkmanagement-0.8.98/libs/ui/connectionprefs.cpp:102
#10 0x00007f014e4b216c in ConnectionEditor::editConnection (this=<optimized out>, con=0x2172c10) at /usr/src/debug/networkmanagement-0.8.98/libs/ui/connectioneditor.cpp:105
#11 0x00007f014e974439 in ManageConnectionWidget::editGotSecrets (this=0x1ee5ef0, valid=<optimized out>, errorMessage=<optimized out>, uuid=...) at /usr/src/debug/networkmanagement-0.8.98/settings/config/manageconnectionwidget.cpp:549
#12 0x000000310cf8cce1 in QMetaObject::activate (sender=0x1f4cce0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff0834bc50) at kernel/qobject.cpp:3547
#13 0x00007f014e6e5a3c in NMDBusSettingsConnectionProvider::getConnectionSecretsCompleted (this=<optimized out>, _t1=false, _t2=<optimized out>, _t3=<optimized out>) at /usr/src/debug/networkmanagement-0.8.98/x86_64-redhat-linux-gnu/backends/NetworkManager/moc_nmdbussettingsconnectionprovider.cpp:142
#14 0x00007f014e7257cf in NMDBusSettingsConnectionProvider::onConnectionSecretsArrived (this=0x1f4cce0, watcher=0x1fe6580) at /usr/src/debug/networkmanagement-0.8.98/backends/NetworkManager/nmdbussettingsconnectionprovider.cpp:526
#15 0x000000310cf8cce1 in QMetaObject::activate (sender=0x1fe6580, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff0834c110) at kernel/qobject.cpp:3547
#16 0x000000310d85ccef in QDBusPendingCallWatcher::finished (this=<optimized out>, _t1=0x1fe6580) at .moc/release-shared/moc_qdbuspendingcall.cpp:106
#17 0x000000310cf91f16 in QObject::event (this=0x1fe6580, e=<optimized out>) at kernel/qobject.cpp:1195
#18 0x000000310e7c9994 in notify_helper (e=0x219bc60, receiver=0x1fe6580, this=0x1caea20) at kernel/qapplication.cpp:4550
#19 QApplicationPrivate::notify_helper (this=0x1caea20, receiver=0x1fe6580, e=0x219bc60) at kernel/qapplication.cpp:4522
#20 0x000000310e7ce813 in QApplication::notify (this=0x7fff0834cb00, receiver=0x1fe6580, e=0x219bc60) at kernel/qapplication.cpp:4411
#21 0x0000003110650766 in KApplication::notify (this=0x7fff0834cb00, receiver=0x1fe6580, event=0x219bc60) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#22 0x000000310cf7904c in QCoreApplication::notifyInternal (this=0x7fff0834cb00, receiver=0x1fe6580, event=0x219bc60) at kernel/qcoreapplication.cpp:876
#23 0x000000310cf7cada in sendEvent (event=0x219bc60, receiver=0x1fe6580) at kernel/qcoreapplication.h:231
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1c862d0) at kernel/qcoreapplication.cpp:1500
#25 0x000000310cfa7933 in sendPostedEvents () at kernel/qcoreapplication.h:236
#26 postEventSourceDispatch (s=0x1cb33b0) at kernel/qeventdispatcher_glib.cpp:279
#27 0x0000003347644acd in g_main_dispatch (context=0x1cb1de0) at gmain.c:2441
#28 g_main_context_dispatch (context=0x1cb1de0) at gmain.c:3011
#29 0x00000033476452c8 in g_main_context_iterate (context=0x1cb1de0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#30 0x000000334764549c in g_main_context_iteration (context=0x1cb1de0, may_block=1) at gmain.c:3152
#31 0x000000310cfa7d5f in QEventDispatcherGlib::processEvents (this=0x1c877d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#32 0x000000310e86c66e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#33 0x000000310cf78182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#34 0x000000310cf783d7 in QEventLoop::exec (this=0x7fff0834ca50, flags=...) at kernel/qeventloop.cpp:204
#35 0x000000310ec8f876 in QDialog::exec (this=0x1e12ad0) at dialogs/qdialog.cpp:552
#36 0x0000003110c07c3c in kdemain (_argc=<optimized out>, _argv=<optimized out>) at /usr/src/debug/kde-runtime-4.7.4/kcmshell/main.cpp:292
#37 0x0000003d9142169d in __libc_start_main (main=0x4006c0 <main(int, char**)>, argc=5, ubp_av=0x7fff0834d318, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0834d308) at libc-start.c:226
#38 0x00000000004006f1 in _start ()

Possible duplicates by query: bug 292673.

Reported using DrKonqi