Bug 190799

Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Ubuntu Packages

Steps to reproduce:

- System settings-> Input actions:
  - Double click any name -> Name is changed to <empty>
    leave empty or write anything.
  - Click "back" to overview.
  - "Unsaved changes" : Click "discard"
  - Click "Input Actions" again...
    and crash... 
    with signal 6 or 11


Backtrace 1--->
Application: System Settings (systemsettings), signal SIGABRT

Thread 1 (Thread 0xb5f22700 (LWP 7754)):
[KCrash Handler]
#6  0xb7f80430 in __kernel_vsyscall ()
#7  0xb665a6d0 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb665c098 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb669824d in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0xb669e604 in ?? () from /lib/tls/i686/cmov/libc.so.6
#11 0xb66a05b6 in free () from /lib/tls/i686/cmov/libc.so.6
#12 0xb6880231 in operator delete () from /usr/lib/libstdc++.so.6
#13 0xb45e3a9d in ~Windowdef_list (this=0x0) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/windows.h:98
#14 0xb45d059a in ~Active_window_condition (this=0x9b781d0) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/conditions/active_window_condition.cpp:80
#15 0xb45d1cbb in ~Condition_list_base (this=0x11) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/conditions/conditions_list_base.cpp:45
#16 0xb45d28cb in ~Condition_list (this=0x9b92410) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/conditions/conditions.h:70
#17 0xb45cbf40 in ~ActionDataBase (this=0x9baa258) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/action_data/action_data_base.cpp:75
#18 0xb45ce106 in ~ActionDataGroup (this=0x9baa258) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/action_data/action_data_group.cpp:58
#19 0xb45ce0de in ~ActionDataGroup (this=0x9b45270) at /usr/include/qt4/QtCore/qalgorithms.h:350
#20 0xb45ddc88 in KHotKeys::Settings::setActions (this=0x9b434c0, actions=0x0) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/settings.cpp:120
#21 0xb45df70a in KHotKeys::Settings::read_settings (this=0x9b434c0, cfg_P=@0xbf89aebc, include_disabled_P=true, import_P=KHotKeys::ImportNone)
    at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/settings.cpp:230
#22 0xb45e02f9 in KHotKeys::Settings::read_settings (this=0x9b434c0, include_disabled_P=<value optimized out>) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/libkhotkeysprivate/settings.cpp:167
#23 0xb45fb1a0 in KHotkeysModel::load (this=0x9b434b8) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/hotkeys_model.cpp:384
#24 0xb45f6f3f in KCMHotkeysPrivate::load (this=0x9b418f0) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/kcm_hotkeys.cpp:311
#25 0xb7f36637 in KCModuleProxy::load () from /usr/lib/libkutils.so.4
#26 0x080548e5 in KCMultiWidget::reset (this=0x97ce578, module=0x9ad6658) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/kcmultiwidget.cpp:379
#27 0x08054f1b in KCMultiWidget::queryClose (this=0x97ce578, module=0x9ad6658) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/kcmultiwidget.cpp:364
#28 0x08054f7e in KCMultiWidget::queryClose (this=0x97ce578) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/kcmultiwidget.cpp:338
#29 0x08056ec5 in MainWindow::showOverview (this=0x9832c58) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/mainwindow.cpp:279
#30 0x0805ae08 in MainWindow::qt_metacall (this=0x9832c58, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbf89b11c)
    at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/systemsettings/mainwindow.moc:73
#31 0xb745cca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#32 0xb745d0e0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#33 0xb69f1921 in QAction::triggered () from /usr/lib/libQtGui.so.4
#34 0xb69f2e9f in QAction::activate () from /usr/lib/libQtGui.so.4
#35 0xb6ec2712 in QToolButton::nextCheckState () from /usr/lib/libQtGui.so.4
#36 0xb6ddb0c3 in ?? () from /usr/lib/libQtGui.so.4
#37 0xb6ddb396 in QAbstractButton::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#38 0xb6ec2c0c in QToolButton::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#39 0xb6a4ebd3 in QWidget::event () from /usr/lib/libQtGui.so.4
#40 0xb6dd934e in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#41 0xb6ec563a in QToolButton::event () from /usr/lib/libQtGui.so.4
#42 0xb69f7f2c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#43 0xb6a00ba1 in QApplication::notify () from /usr/lib/libQtGui.so.4
#44 0xb799594d in KApplication::notify () from /usr/lib/libkdeui.so.5
#45 0xb7446a3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#46 0xb69ffc0e in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#47 0xb6a6fa0e in ?? () from /usr/lib/libQtGui.so.4
#48 0xb6a6ed37 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#49 0xb6a99cfa in ?? () from /usr/lib/libQtGui.so.4
#50 0xb628cb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#51 0xb62900eb in ?? () from /usr/lib/libglib-2.0.so.0
#52 0xb6290268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#53 0xb7472438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#54 0xb6a993f5 in ?? () from /usr/lib/libQtGui.so.4
#55 0xb744506a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#56 0xb74454aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#57 0xb7447959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#58 0xb69f7da7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#59 0x08056c3b in main (argc=5, argv=0xbf89c284) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/main.cpp:67


Backtrace 2-->
Application: System Settings (systemsettings), signal SIGSEGV

Thread 1 (Thread 0xb6030700 (LWP 8000)):
[KCrash Handler]
#6  KHotKeys::ActionDataBase::comment (this=0x9212210) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#7  0xb4712cff in HotkeysWidgetBase::isChanged (this=0x91c5618) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/hotkeys_widget_base.cpp:59
#8  0xb4706473 in KCMHotkeysPrivate::maybeShowWidget (this=0x91c3210) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/kcm_hotkeys.cpp:336
#9  0xb47066d5 in KCMHotkeys::currentChanged (this=0x91c2d10, pCurrent=@0x8f97570, pPrevious=@0x9219d90) at /build/buildd/kdebase-workspace-4.2.2/khotkeys/kcm_hotkeys/kcm_hotkeys.cpp:169
#10 0xb4706bd1 in KCMHotkeys::qt_metacall (this=0x91c2d10, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfeaa208)
    at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/khotkeys/kcm_hotkeys/moc_kcm_hotkeys.cpp:71
#11 0xb756aca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb756b932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb70d27b9 in QItemSelectionModel::currentChanged () from /usr/lib/libQtGui.so.4
#14 0xb70d295d in QItemSelectionModel::setCurrentIndex () from /usr/lib/libQtGui.so.4
#15 0xb707b764 in QAbstractItemView::focusInEvent () from /usr/lib/libQtGui.so.4
#16 0xb6b5c5db in QWidget::event () from /usr/lib/libQtGui.so.4
#17 0xb6f36d83 in QFrame::event () from /usr/lib/libQtGui.so.4
#18 0xb6fd783d in QAbstractScrollArea::event () from /usr/lib/libQtGui.so.4
#19 0xb7081997 in QAbstractItemView::event () from /usr/lib/libQtGui.so.4
#20 0xb6b05f2c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#21 0xb6b0e312 in QApplication::notify () from /usr/lib/libQtGui.so.4
#22 0xb7aa394d in KApplication::notify () from /usr/lib/libkdeui.so.5
#23 0xb7554a3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#24 0xb756ce7e in QCoreApplication::sendEvent () from /usr/lib/libQtCore.so.4
#25 0xb6b0ca3e in QApplicationPrivate::setFocusWidget () from /usr/lib/libQtGui.so.4
#26 0xb6b566ae in QWidget::setFocus () from /usr/lib/libQtGui.so.4
#27 0xb6b43d26 in QStackedLayout::setCurrentIndex () from /usr/lib/libQtGui.so.4
#28 0xb6b43e6d in QStackedLayout::setCurrentWidget () from /usr/lib/libQtGui.so.4
#29 0xb6fa70cc in QStackedWidget::setCurrentWidget () from /usr/lib/libQtGui.so.4
#30 0x0805a73b in MainWindow::selectionChanged (this=0x8eab800, selected=@0x90b1668) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/mainwindow.cpp:374
#31 0x0805ae3c in MainWindow::qt_metacall (this=0x8eab800, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfeaab5c)
    at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/systemsettings/mainwindow.moc:71
#32 0xb756aca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#33 0xb756b932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#34 0xb7078503 in QAbstractItemView::activated () from /usr/lib/libQtGui.so.4
#35 0xb7085c10 in QAbstractItemView::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#36 0xb709c83f in QListView::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#37 0xb7a8ec74 in KCategorizedView::mouseReleaseEvent () from /usr/lib/libkdeui.so.5
#38 0xb6b5cbd3 in QWidget::event () from /usr/lib/libQtGui.so.4
#39 0xb6f36d83 in QFrame::event () from /usr/lib/libQtGui.so.4
#40 0xb6fd6d3f in QAbstractScrollArea::viewportEvent () from /usr/lib/libQtGui.so.4
#41 0xb7088a37 in QAbstractItemView::viewportEvent () from /usr/lib/libQtGui.so.4
#42 0xb6fd9345 in ?? () from /usr/lib/libQtGui.so.4
#43 0xb7553c5a in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#44 0xb6b05f0a in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#45 0xb6b0eba1 in QApplication::notify () from /usr/lib/libQtGui.so.4
#46 0xb7aa394d in KApplication::notify () from /usr/lib/libkdeui.so.5
#47 0xb7554a3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#48 0xb6b0dc0e in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#49 0xb6b7da0e in ?? () from /usr/lib/libQtGui.so.4
#50 0xb6b7cd37 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#51 0xb6ba7cfa in ?? () from /usr/lib/libQtGui.so.4
#52 0xb639ab88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#53 0xb639e0eb in ?? () from /usr/lib/libglib-2.0.so.0
#54 0xb639e268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#55 0xb7580438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#56 0xb6ba73f5 in ?? () from /usr/lib/libQtGui.so.4
#57 0xb755306a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#58 0xb75534aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#59 0xb7555959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#60 0xb6b05da7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#61 0x08056c3b in main (argc=5, argv=0xbfeac094) at /build/buildd/kdebase-workspace-4.2.2/systemsettings/main.cpp:67