Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Debian testing/unstable Packages

KMail crashes, with signal 11 (SIGSEGV), when cleaning trash by right-clicking and choosing clean.

Here is the threads :
Application : KMail (kmail), signal SIGSEGV
[Current thread is 0 (LWP 4908)]

Thread 2 (Thread 0xb0398b90 (LWP 6456)):
#0  0xb7fca424 in __kernel_vsyscall ()
#1  0xb638b6c1 in select () from /lib/i686/cmov/libc.so.6
#2  0xb7047920 in QProcessManager::run (this=0x8da2550) at io/qprocess_unix.cpp:305
#3  0xb6f7680e in QThreadPrivate::start (arg=0x8da2550) at thread/qthread_unix.cpp:189
#4  0xb554e4e5 in start_thread () from /lib/i686/cmov/libpthread.so.0
#5  0xb639321e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb3ea0710 (LWP 4908)):
[KCrash Handler]
#6  KMail::MessageListView::Core::Model::index (this=0x9021050, item=0x956f998, column=0) at ../../kmail/messagelistview/core/item.h:284
#7  0xb778d235 in KMail::MessageListView::Core::Model::viewItemJobStep (this=0x9021050) at ../../kmail/messagelistview/core/model.cpp:3878
#8  0xb7312453 in KMail::MessageListView::Core::Model::qt_metacall (this=0x9021050, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfae6fb8) at moc_model.cpp:75
#9  0xb707fb98 in QMetaObject::activate (sender=0x900cb90, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3120
#10 0xb7080822 in QMetaObject::activate (sender=0x900cb90, m=0xb715bae4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3194
#11 0xb70bb5d7 in QTimer::timeout (this=0x900cb90) at .moc/release-shared/moc_qtimer.cpp:128
#12 0xb708567e in QTimer::timerEvent (this=0x900cb90, e=0xbfae743c) at kernel/qtimer.cpp:261
#13 0xb707a04f in QObject::event (this=0x900cb90, e=0xbfae743c) at kernel/qobject.cpp:1082
#14 0xb66707bc in QApplicationPrivate::notify_helper (this=0x8da03f0, receiver=0x900cb90, e=0xbfae743c) at kernel/qapplication.cpp:4057
#15 0xb6678ace in QApplication::notify (this=0xbfae7758, receiver=0x900cb90, e=0xbfae743c) at kernel/qapplication.cpp:3604
#16 0xb7e01b7d in KApplication::notify (this=0xbfae7758, receiver=0x900cb90, event=0xbfae743c) at ../../kdeui/kernel/kapplication.cpp:307
#17 0xb7069a2b in QCoreApplication::notifyInternal (this=0xbfae7758, receiver=0x900cb90, event=0xbfae743c) at kernel/qcoreapplication.cpp:610
#18 0xb7098e41 in QTimerInfoList::activateTimers (this=0x8da3034) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#19 0xb7095440 in timerSourceDispatch (source=0x8da3000) at kernel/qeventdispatcher_glib.cpp:164
#20 0xb47cb848 in IA__g_main_context_dispatch (context=0x8da2490) at /build/buildd-glib2.0_2.20.1-2-i386-hGzT8z/glib2.0-2.20.1/glib/gmain.c:1814
#21 0xb47cedab in g_main_context_iterate (context=0x8da2490, block=1, dispatch=1, self=0x8d9f190) at /build/buildd-glib2.0_2.20.1-2-i386-hGzT8z/glib2.0-2.20.1/glib/gmain.c:2448
#22 0xb47cef28 in IA__g_main_context_iteration (context=0x8da2490, may_block=1) at /build/buildd-glib2.0_2.20.1-2-i386-hGzT8z/glib2.0-2.20.1/glib/gmain.c:2511
#23 0xb7095398 in QEventDispatcherGlib::processEvents (this=0x8d84dc0, flags={i = -1079085640}) at kernel/qeventdispatcher_glib.cpp:324
#24 0xb67110e5 in QGuiEventDispatcherGlib::processEvents (this=0x8d84dc0, flags={i = -1079085592}) at kernel/qguieventdispatcher_glib.cpp:202
#25 0xb706805a in QEventLoop::processEvents (this=0xbfae7660, flags={i = -1079085528}) at kernel/qeventloop.cpp:149
#26 0xb706849a in QEventLoop::exec (this=0xbfae7660, flags={i = -1079085464}) at kernel/qeventloop.cpp:200
#27 0xb706a949 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#28 0xb6670637 in QApplication::exec () at kernel/qapplication.cpp:3526
#29 0x0804a6a0 in main (argc=0, argv=0x0) at ../../kmail/main.cpp:146