Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-14-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I selected "owner : Can read and write content". When I applied, dolphin crashed.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#5  KDirModelNode::rowNumber (this=0x0) at /build/buildd/kde4libs-4.2.98a/kio/kio/kdirmodel.cpp:120
#6  0x00007fde82145370 in KDirModelPrivate::indexForNode (this=0x21ce5e0, node=0x0, rowNumber=-1) at /build/buildd/kde4libs-4.2.98a/kio/kio/kdirmodel.cpp:284
#7  0x00007fde82149995 in KDirModelPrivate::_k_slotNewItems (this=0x21ce5e0, directoryUrl=<value optimized out>, items=@0x22bea90) at /build/buildd/kde4libs-4.2.98a/kio/kio/kdirmodel.cpp:377
#8  0x00007fde8214acea in KDirModel::qt_metacall (this=0x222ba10, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8a6ff2e0)
    at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kio/kdirmodel.moc:82
#9  0x00007fde7e8c01f2 in QMetaObject::activate (sender=0x222b9f0, from_signal_index=<value optimized out>, to_signal_index=14, argv=0xffffffff) at kernel/qobject.cpp:3069
#10 0x00007fde8212ea6a in KDirLister::itemsAdded (this=0x0, _t1=<value optimized out>, _t2=<value optimized out>) at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kio/kdirlister.moc:268
#11 0x00007fde8212f98b in KDirLister::Private::emitItems (this=0x222c760) at /build/buildd/kde4libs-4.2.98a/kio/kio/kdirlister.cpp:2303
#12 0x00007fde821324ff in KDirListerCache::processPendingUpdates (this=0xf85b10) at /build/buildd/kde4libs-4.2.98a/kio/kio/kdirlister.cpp:1796
#13 0x00007fde82140e7d in KDirListerCache::slotFilesChanged (this=0xf85b10, fileList=@0x23b3350) at /build/buildd/kde4libs-4.2.98a/kio/kio/kdirlister.cpp:850
#14 0x00007fde821418ec in KDirListerCache::qt_metacall (this=0xf85b10, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8a6ff6a0)
    at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kio/kdirlister_p.moc:93
#15 0x00007fde7e8c01f2 in QMetaObject::activate (sender=0xf97ce0, from_signal_index=<value optimized out>, to_signal_index=8, argv=0xffffffff) at kernel/qobject.cpp:3069
#16 0x00007fde8214c6b5 in OrgKdeKDirNotifyInterface::FilesChanged (this=0x0, _t1=<value optimized out>) at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kio/kdirnotify.moc:118
#17 0x00007fde8214c81c in OrgKdeKDirNotifyInterface::qt_metacall (this=0xf97ce0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8a6ff980)
    at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kio/kdirnotify.moc:82
#18 0x00007fde7f806f83 in QDBusConnectionPrivate::deliverCall (this=0xd82690, object=0xf97ce0, msg=@0x2276048, metaTypes=@0x2276050, slotIdx=8) at qdbusintegrator.cpp:891
#19 0x00007fde7f80ed0f in QDBusCallDeliveryEvent::placeMetaCall (this=0x22424e0, object=0x21ce5e0) at qdbusintegrator_p.h:101
#20 0x00007fde7e8ba848 in QObject::event (this=0xf97ce0, e=0x2276000) at kernel/qobject.cpp:1118
#21 0x00007fde7ed7878d in QApplicationPrivate::notify_helper (this=0xd8dff0, receiver=0xf97ce0, e=0x2276000) at kernel/qapplication.cpp:4084
#22 0x00007fde7ed8097a in QApplication::notify (this=0x7fff8a7003a0, receiver=0xf97ce0, e=0x2276000) at kernel/qapplication.cpp:4049
#23 0x00007fde8033071b in KApplication::notify (this=0x7fff8a7003a0, receiver=0xf97ce0, event=0x2276000) at /build/buildd/kde4libs-4.2.98a/kdeui/kernel/kapplication.cpp:302
#24 0x00007fde7e8aa75c in QCoreApplication::notifyInternal (this=0x7fff8a7003a0, receiver=0xf97ce0, event=0x2276000) at kernel/qcoreapplication.cpp:602
#25 0x00007fde7e8ab3ca in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xd68320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#26 0x00007fde7e8d41e3 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#27 0x00007fde79f1c20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0x00007fde79f1f8e0 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0x00007fde79f1fa7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#30 0x00007fde7e8d3e6f in QEventDispatcherGlib::processEvents (this=0xd67b50, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#31 0x00007fde7ee10bef in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#32 0x00007fde7e8a9002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1972370736}) at kernel/qeventloop.cpp:149
#33 0x00007fde7e8a93cd in QEventLoop::exec (this=0x7fff8a700310, flags={i = -1972370656}) at kernel/qeventloop.cpp:200
#34 0x00007fde7e8ab694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#35 0x00000000004396ed in _start ()

Reported using DrKonqi