Version:           1.11.4 (using KDE 3.5.9)
Installed from:    Gentoo Packages
OS:                Linux

Steps to reproduce:
1. Start KBabel
2. Click the "open" toolbar button
3. Close empty message box with an exclamation mark on yellow triangle, and an
OK button
4. KBoom!!!

Happens every time.

Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 47195829298400 (LWP 14683)]
[KCrash handler]
#5  0x0000000f000000c0 in ?? ()
#6  0x00002aec9cbdf34b in KIO::Scheduler::createSlave ()
   from /usr/kde/3.5/lib64/libkio.so.4
#7  0x00002aec9cbe131a in KIO::Scheduler::startJobDirect ()
   from /usr/kde/3.5/lib64/libkio.so.4
#8  0x00002aec9cbe13ed in KIO::Scheduler::startStep ()
   from /usr/kde/3.5/lib64/libkio.so.4
#9  0x00002aec9cbe1524 in KIO::Scheduler::qt_invoke ()
   from /usr/kde/3.5/lib64/libkio.so.4
#10 0x00002aec9f5ff520 in QObject::activate_signal (this=0x7e10a0, 
    clist=0x6ec8b0, o=0x7fff0f0d8440) at kernel/qobject.cpp:2356
#11 0x00002aec9f600457 in QObject::activate_signal (this=0x7e10a0, signal=2)
    at kernel/qobject.cpp:2325
#12 0x00002aec9f9f4c4e in QTimer::timeout (this=0x7e10a0)
    at .moc/debug-shared-mt/moc_qtimer.cpp:82
#13 0x00002aec9f62d475 in QTimer::event (this=0x7e10a0, e=0x7fff0f0d8930)
    at kernel/qtimer.cpp:219
#14 0x00002aec9f58c6a2 in QApplication::internalNotify (this=0x7fff0f0da850, 
    receiver=0x7e10a0, e=0x7fff0f0d8930) at kernel/qapplication.cpp:2635
#15 0x00002aec9f58e5f1 in QApplication::notify (this=0x7fff0f0da850, 
    receiver=0x7e10a0, e=0x7fff0f0d8930) at kernel/qapplication.cpp:2358
#16 0x00002aec9e25ff8e in KApplication::notify ()
   from /usr/kde/3.5/lib64/libkdecore.so.4
#17 0x00002aec9f51435e in QApplication::sendEvent (receiver=0x7e10a0, 
    event=0x7fff0f0d8930) at ../include/qapplication.h:496
#18 0x00002aec9f57db00 in QEventLoop::activateTimers (this=0x65a7b0)
    at kernel/qeventloop_unix.cpp:556
#19 0x00002aec9f52a95f in QEventLoop::processEvents (this=0x65a7b0, flags=4)
    at kernel/qeventloop_x11.cpp:389
#20 0x00002aec9f5aa1f2 in QEventLoop::enterLoop (this=0x65a7b0)
    at kernel/qeventloop.cpp:198
#21 0x00002aec9f58e294 in QApplication::enter_loop (this=0x7fff0f0da850)
    at kernel/qapplication.cpp:2793
#22 0x00002aec9cc10dda in KIO::NetAccess::enter_loop ()
   from /usr/kde/3.5/lib64/libkio.so.4
#23 0x00002aec9cc10f86 in KIO::NetAccess::statInternal ()
   from /usr/kde/3.5/lib64/libkio.so.4
#24 0x00002aec9cc13202 in KIO::NetAccess::stat ()
   from /usr/kde/3.5/lib64/libkio.so.4
#25 0x00002aec9cc133ad in KIO::NetAccess::mostLocalURL ()
   from /usr/kde/3.5/lib64/libkio.so.4
#26 0x0000000000445f38 in KBabelView::open ()
#27 0x0000000000448c83 in KBabelView::open ()
#28 0x000000000045594a in KBabelMW::fileOpen ()
#29 0x0000000000460cfe in KBabelMW::qt_invoke ()
#30 0x00002aec9f5ff520 in QObject::activate_signal (this=0x950c00, 
    clist=0x940d70, o=0x7fff0f0d96a0) at kernel/qobject.cpp:2356
#31 0x00002aec9f600457 in QObject::activate_signal (this=0x950c00, signal=2)
    at kernel/qobject.cpp:2325
#32 0x00002aec9dd6a791 in KAction::qt_invoke ()
   from /usr/kde/3.5/lib64/libkdeui.so.4
#33 0x00002aec9f5ff520 in QObject::activate_signal (this=0x9f2590, 
    clist=0x9f3860, o=0x7fff0f0d9780) at kernel/qobject.cpp:2356
#34 0x00002aec9de08876 in KToolBarButton::buttonClicked ()
   from /usr/kde/3.5/lib64/libkdeui.so.4
#35 0x00002aec9de08c18 in KToolBarButton::mouseReleaseEvent ()
   from /usr/kde/3.5/lib64/libkdeui.so.4
#36 0x00002aec9f63f03a in QWidget::event (this=0x9f2590, e=0x7fff0f0d9e70)
    at kernel/qwidget.cpp:4677
#37 0x00002aec9de09e76 in KToolBarButton::event ()
   from /usr/kde/3.5/lib64/libkdeui.so.4
#38 0x00002aec9f58c6a2 in QApplication::internalNotify (this=0x7fff0f0da850, 
    receiver=0x9f2590, e=0x7fff0f0d9e70) at kernel/qapplication.cpp:2635
#39 0x00002aec9f58e9c6 in QApplication::notify (this=0x7fff0f0da850, 
    receiver=0x9f2590, e=0x7fff0f0d9e70) at kernel/qapplication.cpp:2421
#40 0x00002aec9e25ff8e in KApplication::notify ()
   from /usr/kde/3.5/lib64/libkdecore.so.4
#41 0x00002aec9f5143d0 in QApplication::sendSpontaneousEvent (
    receiver=0x9f2590, event=0x7fff0f0d9e70) at kernel/qapplication.h:499
#42 0x00002aec9f512fda in QETWidget::translateMouseEvent (this=0x9f2590, 
    event=0x7fff0f0da4f0) at kernel/qapplication_x11.cpp:4298
#43 0x00002aec9f511066 in QApplication::x11ProcessEvent (this=0x7fff0f0da850, 
    event=0x7fff0f0da4f0) at kernel/qapplication_x11.cpp:3449
#44 0x00002aec9f529c83 in QEventLoop::processEvents (this=0x65a7b0, flags=4)
    at kernel/qeventloop_x11.cpp:192
#45 0x00002aec9f5aa1f2 in QEventLoop::enterLoop (this=0x65a7b0)
    at kernel/qeventloop.cpp:198
#46 0x00002aec9f5a9ffb in QEventLoop::exec (this=0x65a7b0)
    at kernel/qeventloop.cpp:145
#47 0x00002aec9f58e2f6 in QApplication::exec (this=0x7fff0f0da850)
    at kernel/qapplication.cpp:2758
#48 0x00000000004369b5 in main ()
#49 0x00002aeca2717b74 in __libc_start_main () from /lib/libc.so.6
#50 0x00000000004357c9 in _start ()

Originally reported at https://bugs.gentoo.org/show_bug.cgi?id=201481