kdeinit4 crashed with SIGSEGV in QObject::connect()

I rebooted after the latest round of updates, and kdeinit4 crashed.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: kdelibs-bin 4:4.5.1-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.35-22.32-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Thu Sep 16 22:54:02 2010
ExecutablePath: /usr/bin/kdeinit4
InstallationMedia: Ubuntu-Netbook-Remix 9.10 "Karmic Koala" - Release i386 (20091028.4)
ProcCmdline: kdeinit4:\ kded4\ [kdeinit]\ --nocrashhandler
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x1106714 <QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType)+404>: call *(%eax)
 PC (0x01106714) ok
 source "*(%eax)" ok
 SP (0xbfa06b20) ok
 Reason could not be automatically determined.
Signal: 11
SourcePackage: kde4libs
StacktraceTop:
 QObject::connect (sender=0xb77a6710, signal=0x1a7cf68 "2SessionConnected(QDBusObjectPath)", receiver=0x93f0ec0, method=0x1a7cf44 "1SessionConnected(QDBusObjectPath)", type=Qt::AutoConnection) at kernel/qobject.cpp:2491
 ObexFtpDaemon::ObexFtpDaemon(QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kded_obexftpdaemon.so
 QObject* KPluginFactory::createInstance<ObexFtpDaemon, QObject>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kded_obexftpdaemon.so
 KPluginFactory::create (this=0x93f1130, iface=0x93f0ec0 "\b\375\247\001P$<\t\320\020?\t\240 ?\t", parentWidget=0x0, parent=0x92f80b0, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:191
 create<KDEDModule> (this=0x92f80b0, s=..., onDemand=false) at ../../kdecore/util/kpluginfactory.h:491
Title: kdeinit4 crashed with SIGSEGV in QObject::connect()
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape video
XsessionErrors: (process:1784): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed