Bug 246900

Application: kmail (1.13.5)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-5-686-bigmem i686
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
Whan I start typing sonething into the search text field in the serverside subscription window, kmail crashes.

The crash can be reproduced every time.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  memcpy () at ../sysdeps/i386/i686/memcpy.S:75
#7  0x0b0505c8 in ?? ()
#8  0xb620e83b in QList<QTreeWidgetItem*>::detach (this=0xb0505b0, index=0, child=0xb0505a8) at ../../include/QtCore/../../src/corelib/tools/qlist.h:122
#9  QList<QTreeWidgetItem*>::insert (this=0xb0505b0, index=0, child=0xb0505a8) at ../../include/QtCore/../../src/corelib/tools/qlist.h:516
#10 QTreeWidgetItem::insertChild (this=0xb0505b0, index=0, child=0xb0505a8) at itemviews/qtreewidget.cpp:1925
#11 0xb455edae in KPIM::KSubscription::restoreOriginalParent() () from /usr/lib/libkdepim.so.4
#12 0xb4563f0a in KPIM::KSubscription::slotFilterTextChanged(QString const&) () from /usr/lib/libkdepim.so.4
#13 0xb44bba0d in KPIM::KSubscription::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdepim.so.4
#14 0xb6d3186a in ?? () from /usr/lib/libkmailprivate.so.4
#15 0xb66a580a in QMetaObject::metacall (object=0xa498eb8, cl=184155305, idx=81, argv=0xbfb557f8) at kernel/qmetaobject.cpp:237
#16 0xb66b41db in QMetaObject::activate (sender=0xaf2a988, m=0xb6516888, local_signal_index=0, argv=0xbfb557f8) at kernel/qobject.cpp:3295
#17 0xb6050b53 in QLineEdit::textChanged (this=0xaf2a988, _t1=...) at .moc/release-shared/moc_qlineedit.cpp:238
#18 0xb6054b7d in QLineEdit::qt_metacall (this=0xaf2a988, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfb55998) at .moc/release-shared/moc_qlineedit.cpp:156
#19 0xb76037aa in KLineEdit::qt_metacall (this=0xaf2a988, _c=QMetaObject::InvokeMetaMethod, _id=27, _a=0xbfb55998) at ./klineedit.moc:134
#20 0xb66a580a in QMetaObject::metacall (object=0xaf2a988, cl=184155305, idx=27, argv=0xbfb55998) at kernel/qmetaobject.cpp:237
#21 0xb66b41db in QMetaObject::activate (sender=0xaf2ac88, m=0xb65245c8, local_signal_index=3, argv=0xbfb55998) at kernel/qobject.cpp:3295
#22 0xb6317933 in QLineControl::textChanged (this=0xaf2ac88, _t1=...) at .moc/release-shared/moc_qlinecontrol_p.cpp:131
#23 0xb605b713 in QLineControl::finishChange (this=0xaf2ac88, validateFromState=4, update=false, edited=true) at widgets/qlinecontrol.cpp:605
#24 0xb605c53c in QLineControl::backspace (this=0xaf2ac88) at widgets/qlinecontrol.cpp:181
#25 0xb605da42 in QLineControl::processKeyEvent (this=0xaf2ac88, event=0xbfb562c4) at widgets/qlinecontrol.cpp:1739
#26 0xb6050e25 in QLineEdit::keyPressEvent (this=0xaf2a988, event=0xbfb562c4) at widgets/qlineedit.cpp:1667
#27 0xb75ffbb9 in KLineEdit::keyPressEvent (this=0xaf2a988, e=0xbfb562c4) at ../../kdeui/widgets/klineedit.cpp:895
#28 0xb5c47503 in QWidget::event (this=0xaf2a988, event=0xbfb562c4) at kernel/qwidget.cpp:8079
#29 0xb605249b in QLineEdit::event (this=0xaf2a988, e=0xbfb562c4) at widgets/qlineedit.cpp:1480
#30 0xb760118c in KLineEdit::event (this=0xaf2a988, ev=0xbfb562c4) at ../../kdeui/widgets/klineedit.cpp:1329
#31 0xb5be95cc in QApplicationPrivate::notify_helper (this=0x9d02ab8, receiver=0xaf2a988, e=0xbfb562c4) at kernel/qapplication.cpp:4302
#32 0xb5bf1c71 in QApplication::notify (this=0xbfb59160, receiver=0xaf2a988, e=0xbfb562c4) at kernel/qapplication.cpp:3765
#33 0xb7515c5a in KApplication::notify (this=0xbfb59160, receiver=0xaf2a988, event=0xbfb562c4) at ../../kdeui/kernel/kapplication.cpp:302
#34 0xb66a052b in QCoreApplication::notifyInternal (this=0xbfb59160, receiver=0xaf2a988, event=0xbfb562c4) at kernel/qcoreapplication.cpp:726
#35 0xb5bea3ae in QCoreApplication::sendSpontaneousEvent (receiver=0xaf2a988, event=0xb6bfff0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#36 qt_sendSpontaneousEvent (receiver=0xaf2a988, event=0xb6bfff0) at kernel/qapplication.cpp:5281
#37 0xb5ca2c70 in QKeyMapper::sendKeyEvent (keyWidget=0xaf2a988, grab=false, type=QEvent::KeyPress, code=16777219, modifiers=..., text=..., autorepeat=<value optimized out>, 
    count=<value optimized out>, nativeScanCode=22, nativeVirtualKey=65288, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1875
#38 0xb5ca5150 in QKeyMapperPrivate::translateKeyEvent (this=0x9d6ee68, keyWidget=0xaf2a988, event=0xbfb56960, grab=<value optimized out>) at kernel/qkeymapper_x11.cpp:1845
#39 0xb5c79507 in QApplication::x11ProcessEvent (this=0xbfb59160, event=0xbfb56960) at kernel/qapplication_x11.cpp:3406
#40 0xb5ca83e2 in x11EventSourceDispatch (s=0x9d05940, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#41 0xb3e052f5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#42 0xb3e08fd8 in ?? () from /lib/libglib-2.0.so.0
#43 0xb3e091b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#44 0xb66cc095 in QEventDispatcherGlib::processEvents (this=0x9cd1a60, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#45 0xb5ca7f45 in QGuiEventDispatcherGlib::processEvents (this=0x9cd1a60, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#46 0xb669eb49 in QEventLoop::processEvents (this=0xbfb56c50, flags=) at kernel/qeventloop.cpp:149
#47 0xb669ef9a in QEventLoop::exec (this=0xbfb56c50, flags=...) at kernel/qeventloop.cpp:201
#48 0xb6126713 in QDialog::exec (this=0xa498eb8) at dialogs/qdialog.cpp:546
#49 0xb6cfc0a8 in KMMainWidget::slotSubscriptionDialog() () from /usr/lib/libkmailprivate.so.4
#50 0xb6d10592 in KMMainWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#51 0xb66a580a in QMetaObject::metacall (object=0xa215660, cl=184155305, idx=49, argv=0xbfb56e18) at kernel/qmetaobject.cpp:237
#52 0xb66b41db in QMetaObject::activate (sender=0xb56fcb0, m=0xb6510a38, local_signal_index=1, argv=0xbfb56e18) at kernel/qobject.cpp:3295
#53 0xb5be2cc9 in QAction::triggered (this=0xb56fcb0, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#54 0xb5be4ebc in QAction::activate (this=0xb56fcb0, event=QAction::Trigger) at kernel/qaction.cpp:1255
#55 0xb608609f in QMenuPrivate::activateCausedStack (this=0xb117438, causedStack=..., action=0xb56fcb0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1002
#56 0xb608c54b in QMenuPrivate::activateAction (this=0xb117438, action=0xb56fcb0, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1094
#57 0xb608d597 in QMenu::mouseReleaseEvent (this=0xaee04e8, e=0xbfb57774) at widgets/qmenu.cpp:2312
#58 0xb760b1c5 in KMenu::mouseReleaseEvent (this=0xaee04e8, e=0xbfb57774) at ../../kdeui/widgets/kmenu.cpp:471
#59 0xb5c477f8 in QWidget::event (this=0xaee04e8, event=0xbfb57774) at kernel/qwidget.cpp:8044
#60 0xb608eb9c in QMenu::event (this=0xaee04e8, e=0xbfb57774) at widgets/qmenu.cpp:2421
#61 0xb5be95cc in QApplicationPrivate::notify_helper (this=0x9d02ab8, receiver=0xaee04e8, e=0xbfb57774) at kernel/qapplication.cpp:4302
#62 0xb5bf0af7 in QApplication::notify (this=0xbfb59160, receiver=0xaee04e8, e=0xbfb57774) at kernel/qapplication.cpp:3867
#63 0xb7515c5a in KApplication::notify (this=0xbfb59160, receiver=0xaee04e8, event=0xbfb57774) at ../../kdeui/kernel/kapplication.cpp:302
#64 0xb66a052b in QCoreApplication::notifyInternal (this=0xbfb59160, receiver=0xaee04e8, event=0xbfb57774) at kernel/qcoreapplication.cpp:726
#65 0xb5befa52 in QCoreApplication::sendEvent (receiver=0xaee04e8, event=0xbfb57774, alienWidget=0x0, nativeWidget=0xaee04e8, buttonDown=0xb6531998, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#66 QApplicationPrivate::sendMouseEvent (receiver=0xaee04e8, event=0xbfb57774, alienWidget=0x0, nativeWidget=0xaee04e8, buttonDown=0xb6531998, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2967
#67 0xb5c7b298 in QETWidget::translateMouseEvent (this=0xaee04e8, event=0xbfb57bc0) at kernel/qapplication_x11.cpp:4314
#68 0xb5c7a28b in QApplication::x11ProcessEvent (this=0xbfb59160, event=0xbfb57bc0) at kernel/qapplication_x11.cpp:3391
#69 0xb5ca83e2 in x11EventSourceDispatch (s=0x9d05940, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#70 0xb3e052f5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#71 0xb3e08fd8 in ?? () from /lib/libglib-2.0.so.0
#72 0xb3e091b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#73 0xb66cc095 in QEventDispatcherGlib::processEvents (this=0x9cd1a60, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#74 0xb5ca7f45 in QGuiEventDispatcherGlib::processEvents (this=0x9cd1a60, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#75 0xb669eb49 in QEventLoop::processEvents (this=0xbfb57eb0, flags=) at kernel/qeventloop.cpp:149
#76 0xb669ef9a in QEventLoop::exec (this=0xbfb57eb0, flags=...) at kernel/qeventloop.cpp:201
#77 0xb608986e in QMenu::exec (this=0xaee04e8, p=..., action=0x0) at widgets/qmenu.cpp:2063
#78 0xb6a90d2e in KMail::FolderView::contextMenuEvent(QContextMenuEvent*) () from /usr/lib/libkmailprivate.so.4
#79 0xb5c47f38 in QWidget::event (this=0xa37e790, event=0xbfb588fc) at kernel/qwidget.cpp:8211
#80 0xb6041883 in QFrame::event (this=0xa37e790, e=0xbfb588fc) at widgets/qframe.cpp:557
#81 0xb60dc032 in QAbstractScrollArea::viewportEvent (this=0xaf9fca9, e=0xb6bfff0) at widgets/qabstractscrollarea.cpp:1036
#82 0xb61918c7 in QAbstractItemView::viewportEvent (this=0xa37e790, event=0xbfb588fc) at itemviews/qabstractitemview.cpp:1615
#83 0xb61d112c in QTreeView::viewportEvent (this=0xa37e790, event=0xbfb588fc) at itemviews/qtreeview.cpp:1248
#84 0xb60dea05 in QAbstractScrollAreaPrivate::viewportEvent (this=0xa37fc28, o=0xa37e530, e=0xbfb588fc) at widgets/qabstractscrollarea_p.h:100
#85 QAbstractScrollAreaFilter::eventFilter (this=0xa37fc28, o=0xa37e530, e=0xbfb588fc) at widgets/qabstractscrollarea_p.h:116
#86 0xb669f7ca in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9d02ab8, receiver=0xa37e530, event=0xbfb588fc) at kernel/qcoreapplication.cpp:841
#87 0xb5be95a9 in QApplicationPrivate::notify_helper (this=0x9d02ab8, receiver=0xa37e530, e=0xbfb588fc) at kernel/qapplication.cpp:4298
#88 0xb5bf0570 in QApplication::notify (this=0xbfb59160, receiver=0xa37e530, e=0xbfb588fc) at kernel/qapplication.cpp:3946
#89 0xb7515c5a in KApplication::notify (this=0xbfb59160, receiver=0xa37e530, event=0xbfb588fc) at ../../kdeui/kernel/kapplication.cpp:302
#90 0xb66a052b in QCoreApplication::notifyInternal (this=0xbfb59160, receiver=0xa37e530, event=0xbfb588fc) at kernel/qcoreapplication.cpp:726
#91 0xb5c808be in QCoreApplication::sendSpontaneousEvent (receiver=0xa37e530, event=0xb6bfff0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#92 0xb5c7ade2 in QETWidget::translateMouseEvent (this=0xa215660, event=0xbfb58d20) at kernel/qapplication_x11.cpp:4385
#93 0xb5c7a28b in QApplication::x11ProcessEvent (this=0xbfb59160, event=0xbfb58d20) at kernel/qapplication_x11.cpp:3391
#94 0xb5ca83e2 in x11EventSourceDispatch (s=0x9d05940, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#95 0xb3e052f5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#96 0xb3e08fd8 in ?? () from /lib/libglib-2.0.so.0
#97 0xb3e091b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#98 0xb66cc095 in QEventDispatcherGlib::processEvents (this=0x9cd1a60, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#99 0xb5ca7f45 in QGuiEventDispatcherGlib::processEvents (this=0x9cd1a60, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#100 0xb669eb49 in QEventLoop::processEvents (this=0xbfb59014, flags=) at kernel/qeventloop.cpp:149
#101 0xb669ef9a in QEventLoop::exec (this=0xbfb59014, flags=...) at kernel/qeventloop.cpp:201
#102 0xb66a41cf in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#103 0xb5be9667 in QApplication::exec () at kernel/qapplication.cpp:3581
#104 0x0804aafe in _start ()

Reported using DrKonqi