Application: kmail (4.7.1)
KDE Platform Version: 4.7.1 (4.7.1) (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.0.3-gentoo x86_64
Distribution: "Gentoo Base System release 2.0.3"

-- Information about the crash:
- What I was doing when the application crashed:
Select some IMAP folders, right click on one of them, select « folder properties » and then uncheck «Use default identity» and choose a custom one. Kmail then crash.

- Custom settings of the application:
IMAP folders, multiple identities

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f86abec9760 (LWP 27934))]

Thread 3 (Thread 0x7f8690741700 (LWP 27945)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f869e21e7f7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f869ea61fc0) at wtf/FastMalloc.cpp:2378
#2  0x00007f869e21e909 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1497
#3  0x00007f86a708debc in start_thread (arg=0x7f8690741700) at pthread_create.c:301
#4  0x00007f86a9225e0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f868fe40700 (LWP 27946)):
#0  0x00007f86a921cf73 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f86a1bb1334 in g_main_context_poll (n_fds=1, fds=0x7f86880013e0, timeout=-1, context=0x7f86880009a0, priority=<optimized out>) at gmain.c:3405
#2  g_main_context_iterate (context=0x7f86880009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3087
#3  0x00007f86a1bb183b in g_main_context_iteration (context=0x7f86880009a0, may_block=1) at gmain.c:3155
#4  0x00007f86a9b90c2e in QEventDispatcherGlib::processEvents (this=0x7f86880008b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f86a9b64e52 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f86a9b6507f in QEventLoop::exec (this=0x7f868fe3fe20, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f86a9a7c08f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f86a9a7eae5 in QThreadPrivate::start (arg=0xcb40b0) at thread/qthread_unix.cpp:331
#9  0x00007f86a708debc in start_thread (arg=0x7f868fe40700) at pthread_create.c:301
#10 0x00007f86a9225e0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f86abec9760 (LWP 27934)):
[KCrash Handler]
#4  0x00007f86a5ac3083 in ~QVector (this=<optimized out>, __in_chrg=<optimized out>) at /var/tmp/portage/kde-base/kdepimlibs-4.7.1/work/kdepimlibs-4.7.1_build/akonadi/entitytreemodel.moc:182
#5  clear (this=<optimized out>) at /usr/include/qt4/QtCore/qvector.h:336
#6  Akonadi::EntityTreeModel::setData (this=0x91ab50, index=..., value=..., role=53) at /var/tmp/portage/kde-base/kdepimlibs-4.7.1/work/kdepimlibs-4.7.1/akonadi/entitytreemodel.cpp:719
#7  0x00007f86a5b2da14 in rootIndexAboutToBeRemoved (removedRootIndex=..., this=<optimized out>) at /var/tmp/portage/kde-base/kdepimlibs-4.7.1/work/kdepimlibs-4.7.1/akonadi/selectionproxymodel.cpp:59
#8  Akonadi::SelectionProxyModel::qt_metacall (this=0x37f6c80, _c=<optimized out>, _id=1, _a=0x7fffb308f040) at /var/tmp/portage/kde-base/kdepimlibs-4.7.1/work/kdepimlibs-4.7.1_build/akonadi/selectionproxymodel.moc:76
#9  0x00007f86a9b78c1a in QMetaObject::activate (sender=0x37f6c80, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb308f040) at kernel/qobject.cpp:3278
#10 0x00007f86ab8bd702 in KSelectionProxyModel::rootIndexAboutToBeRemoved (this=<optimized out>, _t1=<optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.7.1/work/kdelibs-4.7.1_build/kdeui/moc_kselectionproxymodel.cpp:147
#11 0x00007f86ab8c676a in KSelectionProxyModelPrivate::removeRangeFromProxy (this=0x39388f0, range=...) at /var/tmp/portage/kde-base/kdelibs-4.7.1/work/kdelibs-4.7.1/kdeui/itemviews/kselectionproxymodel.cpp:1691
#12 0x00007f86ab8c6b28 in KSelectionProxyModelPrivate::removeSelectionFromProxy (this=0x39388f0, selection=<optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.7.1/work/kdelibs-4.7.1/kdeui/itemviews/kselectionproxymodel.cpp:1610
#13 0x00007f86ab8c85cb in KSelectionProxyModelPrivate::selectionChanged (this=0x39388f0, _selected=<optimized out>, _deselected=<optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.7.1/work/kdelibs-4.7.1/kdeui/itemviews/kselectionproxymodel.cpp:1860
#14 0x00007f86ab8c9e56 in KSelectionProxyModel::qt_metacall (this=0x37f6c80, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb308f850) at /var/tmp/portage/kde-base/kdelibs-4.7.1/work/kdelibs-4.7.1_build/kdeui/moc_kselectionproxymodel.cpp:134
#15 0x00007f86a5b2d937 in Akonadi::SelectionProxyModel::qt_metacall (this=0x37f6c80, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb308f850) at /var/tmp/portage/kde-base/kdepimlibs-4.7.1/work/kdepimlibs-4.7.1_build/akonadi/selectionproxymodel.moc:70
#16 0x00007f86a9b78c1a in QMetaObject::activate (sender=0xc8f8f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb308f850) at kernel/qobject.cpp:3278
#17 0x00007f86aa5b0ca7 in QItemSelectionModel::selectionChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qitemselectionmodel.cpp:152
#18 0x00007f86aa5b6699 in QItemSelectionModel::emitSelectionChanged (this=0xc8f8f0, newSelection=<optimized out>, oldSelection=<optimized out>) at itemviews/qitemselectionmodel.cpp:1594
#19 0x00007f86aa5b7a71 in QItemSelectionModel::select (this=0xc8f8f0, selection=<optimized out>, command=...) at itemviews/qitemselectionmodel.cpp:1101
#20 0x00007f86a5006330 in MessageList::Pane::Private::onSelectionChanged (this=0xc4a590, selected=<optimized out>, deselected=...) at /var/tmp/portage/kde-base/kdepim-common-libs-4.7.1/work/kdepim-common-libs-4.7.1/messagelist/pane.cpp:329
#21 0x00007f86a50072cf in MessageList::Pane::qt_metacall (this=0xc49730, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb308fd70) at /var/tmp/portage/kde-base/kdepim-common-libs-4.7.1/work/kdepim-common-libs-4.7.1_build/messagelist/pane.moc:111
#22 0x00007f86a9b78c1a in QMetaObject::activate (sender=0x856f00, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb308fd70) at kernel/qobject.cpp:3278
#23 0x00007f86aa5b0ca7 in QItemSelectionModel::selectionChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qitemselectionmodel.cpp:152
#24 0x00007f86aa5b6699 in QItemSelectionModel::emitSelectionChanged (this=0x856f00, newSelection=<optimized out>, oldSelection=<optimized out>) at itemviews/qitemselectionmodel.cpp:1594
#25 0x00007f86aa5b7a71 in QItemSelectionModel::select (this=0x856f00, selection=<optimized out>, command=...) at itemviews/qitemselectionmodel.cpp:1101
#26 0x00007f86aa5a2673 in QTreeViewPrivate::select (this=0xc2a3d0, topIndex=<optimized out>, bottomIndex=<optimized out>, command=...) at itemviews/qtreeview.cpp:3652
#27 0x00007f86aa5a3352 in QTreeView::setSelection (this=<optimized out>, rect=<optimized out>, command=...) at itemviews/qtreeview.cpp:2280
#28 0x00007f86aa55e6f2 in QAbstractItemView::mousePressEvent (this=0xc2a380, event=<optimized out>) at itemviews/qabstractitemview.cpp:1674
#29 0x00007f86aa0b9861 in QWidget::event (this=0xc2a380, event=0x7fffb30914a0) at kernel/qwidget.cpp:8291
#30 0x00007f86aa44aa7e in QFrame::event (this=0xc2a380, e=0x7fffb30914a0) at widgets/qframe.cpp:557
#31 0x00007f86aa55bc8b in QAbstractItemView::viewportEvent (this=0xc2a380, event=0x7fffb30914a0) at itemviews/qabstractitemview.cpp:1628
#32 0x00007f86aa5a0c24 in QTreeView::viewportEvent (this=0xc2a380, event=0x7fffb30914a0) at itemviews/qtreeview.cpp:1256
#33 0x00007f86a9b65e67 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0xc2a9f0, event=0x7fffb30914a0) at kernel/qcoreapplication.cpp:902
#34 0x00007f86aa0680f1 in notify_helper (e=0x7fffb30914a0, receiver=0xc2a9f0, this=0x658a50) at kernel/qapplication.cpp:4477
#35 QApplicationPrivate::notify_helper (this=0x658a50, receiver=0xc2a9f0, e=0x7fffb30914a0) at kernel/qapplication.cpp:4453
#36 0x00007f86aa06d83b in QApplication::notify (this=<optimized out>, receiver=0xc2a9f0, e=0x7fffb30914a0) at kernel/qapplication.cpp:4042
#37 0x00007f86ab8dab48 in KApplication::notify (this=0x7fffb30920b0, receiver=0xc2a9f0, event=0x7fffb30914a0) at /var/tmp/portage/kde-base/kdelibs-4.7.1/work/kdelibs-4.7.1/kdeui/kernel/kapplication.cpp:311
#38 0x00007f86a9b65ceb in QCoreApplication::notifyInternal (this=0x7fffb30920b0, receiver=0xc2a9f0, event=0x7fffb30914a0) at kernel/qcoreapplication.cpp:787
#39 0x00007f86aa0690a2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#40 QApplicationPrivate::sendMouseEvent (receiver=0xc2a9f0, event=0x7fffb30914a0, alienWidget=0xc2a9f0, nativeWidget=0xdc8ae0, buttonDown=0xc2a9f0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3141
#41 0x00007f86aa0e66ff in QETWidget::translateMouseEvent (this=0xdc8ae0, event=<optimized out>) at kernel/qapplication_x11.cpp:4461
#42 0x00007f86aa0e5512 in QApplication::x11ProcessEvent (this=0x7fffb30920b0, event=0x7fffb3091bc0) at kernel/qapplication_x11.cpp:3587
#43 0x00007f86aa10c402 in x11EventSourceDispatch (s=0x65c3f0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#44 0x00007f86a1bb0dfc in g_main_dispatch (context=0x65b1b0) at gmain.c:2441
#45 g_main_context_dispatch (context=0x65b1b0) at gmain.c:3014
#46 0x00007f86a1bb15c8 in g_main_context_iterate (context=0x65b1b0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3092
#47 0x00007f86a1bb183b in g_main_context_iteration (context=0x65b1b0, may_block=1) at gmain.c:3155
#48 0x00007f86a9b90bd6 in QEventDispatcherGlib::processEvents (this=0x607310, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#49 0x00007f86aa10c0c6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007f86a9b64e52 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007f86a9b6507f in QEventLoop::exec (this=0x7fffb3091f80, flags=...) at kernel/qeventloop.cpp:201
#52 0x00007f86a9b692c7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#53 0x0000000000403057 in main (argc=<optimized out>, argv=<optimized out>) at /var/tmp/portage/kde-base/kmail-4.7.1/work/kmail-4.7.1/kmail/main.cpp:145

Possible duplicates by query: bug 281889.

Reported using DrKonqi