Version:           SVN ver. 742597 (using KDE Devel)
Installed from:    Compiled sources
Compiler:          GCC-4.2.2 
OS:                Linux

When importing a filter list for Adblock in Konqueror, or opening an applet in Superkaramba (I guess it's happening no matter the app used or what we try to open/import), the file manager used for this kind of operations crashes when trying to open a folder.

Backtrace :

Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0xb63aa6c0 (LWP 3829)]
[KCrash handler]
#6  0xb7c98231 in KFileItem::isDir (this=0xbfd87fe0)
    at /home/loacoon/Documents/Downloads/SVN/KDE4/KDE/kdelibs/kio/kio/kfileitem.cpp:893
#7  0xb446c224 in KDirOperator::Private::_k_slotActivated (this=0x85322d0, 
    index=@0x8572f98)
    at /home/loacoon/Documents/Downloads/SVN/KDE4/KDE/kdelibs/kfile/kdiroperator.cpp:1929
#8  0xb4470fca in KDirOperator::qt_metacall (this=0x8531f28, 
    _c=QMetaObject::InvokeMetaMethod, _id=54, _a=0xbfd8851c)
    at /home/loacoon/Documents/Downloads/SVN/KDE4/build/kdelibs/kfile/kdiroperator.moc:225
#9  0xb72e0aca in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb72e1682 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb6f67a93 in QAbstractItemView::activated () from /usr/lib/libQtGui.so.4
#12 0xb6f69661 in QAbstractItemView::mouseDoubleClickEvent ()
   from /usr/lib/libQtGui.so.4
#13 0xb6b723fd in QWidget::event () from /usr/lib/libQtGui.so.4
#14 0xb6e67493 in QFrame::event () from /usr/lib/libQtGui.so.4
#15 0xb6eed1df in QAbstractScrollArea::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#16 0xb6f72cf8 in QAbstractItemView::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#17 0xb6eee3d5 in ?? () from /usr/lib/libQtGui.so.4
#18 0x08556a60 in ?? ()
#19 0xbfd88d7c in ?? ()
#20 0xbfd88968 in ?? ()
#21 0xb6b285d2 in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
Backtrace stopped: frame did not save the PC
#0  0xffffe410 in __kernel_vsyscall ()