Application: krdc (4.4.5 (KDE 4.4.5))
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32.16-150.fc12.x86_64 x86_64
Distribution: "Fedora release 12 (Constantine)"

-- Information about the crash:
Open a RDP session log on to the RDP machine with username and password. now open up a new RDP session and don't do anything, just click back to the previous session window. now you should have Two tabs, One with active tab and one empty tab, when you click to close empty tab and xdrp crashes.

The crash can be reproduced every time.

 -- Backtrace:
Application: KRDC (krdc), signal: Segmentation fault
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#5  0x00000034c51d770f in parentWidget (this=<value optimized out>, w=0x23a9000) at ../../src/gui/kernel/qwidget.h:1017
#6  QLayout::addChildWidget (this=<value optimized out>, w=0x23a9000) at kernel/qlayout.cpp:992
#7  0x00000034c51e2386 in QStackedLayout::insertWidget (this=0x224be30, index=-1, widget=0x23a9000) at kernel/qstackedlayout.cpp:211
#8  0x00000034c55d8491 in QTabWidget::insertTab (this=0x224b7c0, index=<value optimized out>, w=<value optimized out>, icon=..., label=...) at widgets/qtabwidget.cpp:455
#9  0x00000034c55d8535 in QTabWidget::insertTab (this=0x224b7c0, index=-1, w=0x23a9000, label=...) at widgets/qtabwidget.cpp:435
#10 0x000000000041b162 in TabbedViewWidget::addTab (this=0x224b7c0, page=0x23a9000, label=...) at /usr/src/debug/kdenetwork-4.4.5/krdc/tabbedviewwidget.cpp:126
#11 0x0000000000422b4a in MainWindow::newConnectionPage (this=0x21c80b0) at /usr/src/debug/kdenetwork-4.4.5/krdc/mainwindow.cpp:1079
#12 0x0000000000423553 in MainWindow::qt_metacall (this=0x21c80b0, _c=InvokeMetaMethod, _id=28, _a=0x7fff219df130) at /usr/src/debug/kdenetwork-4.4.5/x86_64-redhat-linux-gnu/krdc/mainwindow.moc:155
#13 0x00000034c3d66606 in QMetaObject::activate (sender=0x221bd70, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff219df130) at kernel/qobject.cpp:3295
#14 0x00000034c51a64e2 in QAction::triggered (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#15 0x00000034c51a7c1b in QAction::activate (this=0x221bd70, event=<value optimized out>) at kernel/qaction.cpp:1255
#16 0x00000034c55319ea in QAbstractButtonPrivate::click (this=0x23b7480) at widgets/qabstractbutton.cpp:528
#17 0x00000034c5531c9c in QAbstractButton::mouseReleaseEvent (this=0x23cee50, e=0x7fff219dfa90) at widgets/qabstractbutton.cpp:1121
#18 0x00000034c55eca1a in QToolButton::mouseReleaseEvent (this=<value optimized out>, e=<value optimized out>) at widgets/qtoolbutton.cpp:721
#19 0x00000034c51f650a in QWidget::event (this=0x23cee50, event=0x7fff219dfa90) at kernel/qwidget.cpp:8044
#20 0x00000034c51ab36c in QApplicationPrivate::notify_helper (this=0x20163a0, receiver=0x23cee50, e=0x7fff219dfa90) at kernel/qapplication.cpp:4306
#21 0x00000034c51b1f0d in QApplication::notify (this=<value optimized out>, receiver=0x23cee50, e=0x7fff219dfa90) at kernel/qapplication.cpp:3871
#22 0x00000039d2c06ac6 in KApplication::notify (this=0x7fff219e07a0, receiver=0x23cee50, event=0x7fff219dfa90) at /usr/src/debug/kdelibs-4.4.5/kdeui/kernel/kapplication.cpp:302
#23 0x00000034c3d539cc in QCoreApplication::notifyInternal (this=0x7fff219e07a0, receiver=0x23cee50, event=0x7fff219dfa90) at kernel/qcoreapplication.cpp:726
#24 0x00000034c51b10fe in sendEvent (receiver=0x23cee50, event=0x7fff219dfa90, alienWidget=0x23cee50, nativeWidget=0x23ab0a0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:215
#25 QApplicationPrivate::sendMouseEvent (receiver=0x23cee50, event=0x7fff219dfa90, alienWidget=0x23cee50, nativeWidget=0x23ab0a0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2971
#26 0x00000034c5223195 in QETWidget::translateMouseEvent (this=0x23ab0a0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4380
#27 0x00000034c5221eb8 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff219e03b0) at kernel/qapplication_x11.cpp:3513
#28 0x00000034c524abb2 in x11EventSourceDispatch (s=0x201a0d0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x0000003483e3923e in g_main_dispatch (context=0x2018620) at gmain.c:1960
#30 IA__g_main_context_dispatch (context=0x2018620) at gmain.c:2513
#31 0x0000003483e3cc28 in g_main_context_iterate (context=0x2018620, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#32 0x0000003483e3cd4a in IA__g_main_context_iteration (context=0x2018620, may_block=1) at gmain.c:2654
#33 0x00000034c3d793f3 in QEventDispatcherGlib::processEvents (this=0x1ffe1e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#34 0x00000034c524a86e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00000034c3d52412 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#36 0x00000034c3d526dc in QEventLoop::exec (this=0x7fff219e06e0, flags=...) at kernel/qeventloop.cpp:201
#37 0x00000034c3d55dab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#38 0x0000000000424dbb in main (argc=3, argv=0x7fff219e0cb8) at /usr/src/debug/kdenetwork-4.4.5/krdc/main.cpp:103

Reported using DrKonqi