Application: kbluetooth (0.4)
KDE Platform Version: 4.4.5 (KDE 4.4.5) (Compiled from sources)
Qt Version: 4.6.3
Operating System: Linux 2.6.34-gentoo-r1-alchark-u3s x86_64
Distribution: "Gentoo Base System release 2.0.1"

-- Information about the crash:
When trying to receive a file over OBEX, I select a directory, enable the checkbox and push OK. After that kbluetooth crashes.

The crash can be reproduced every time.

 -- Backtrace:
Application: KBluetooth (kbluetooth), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f733eba1760 (LWP 28995))]

Thread 2 (Thread 0x7f733932b710 (LWP 29014)):
#0  0x00000037b32c85c3 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00000037b6641e89 in g_main_context_poll (context=<value optimized out>, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2904
#2  g_main_context_iterate (context=<value optimized out>, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2586
#3  0x00000037b66422dc in IA__g_main_context_iteration (context=<value optimized out>, may_block=<value optimized out>) at gmain.c:2654
#4  0x00000037bbb91736 in QEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#5  0x00000037bbb66b12 in QEventLoop::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:149
#6  0x00000037bbb66ee4 in QEventLoop::exec (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:201
#7  0x00000037bba7737b in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#8  0x00000037bbb47568 in QInotifyFileSystemWatcherEngine::run (this=<value optimized out>) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00000037bba79a25 in QThreadPrivate::start (arg=<value optimized out>) at thread/qthread_unix.cpp:248
#10 0x00000037b3e068e4 in start_thread (arg=<value optimized out>) at pthread_create.c:297
#11 0x00000037b32d127d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f733eba1760 (LWP 28995)):
[KCrash Handler]
#5  QBasicAtomicInt::ref (this=0xf84b00) at /usr/include/qt4/QtCore/qatomic_x86_64.h:121
#6  QString (this=0xf84b00) at /usr/include/qt4/QtCore/qstring.h:715
#7  ObexServerSessionFileTransfer::remoteAddr (this=0xf84b00) at /tmp/portage/net-wireless/kbluetooth-0.4.2/work/kbluetooth-0.4.2/src/obexserver/obexserversessionfiletransfer.cpp:139
#8  0x0000000000415190 in KBlueTray::slotServerSessionTransferStarted (this=0x7fff709c65c0, job=0xf84b00) at /tmp/portage/net-wireless/kbluetooth-0.4.2/work/kbluetooth-0.4.2/src/trayicon.cpp:766
#9  0x000000000040e35d in KBlueTray::qt_metacall (this=0x7fff709c65c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff709c57e0)
    at /tmp/portage/net-wireless/kbluetooth-0.4.2/work/kbluetooth-0.4.2_build/src/moc_trayicon.cpp:174
#10 0x00000037bbb7b386 in QMetaObject::activate (sender=<value optimized out>, m=<value optimized out>, local_signal_index=<value optimized out>, argv=<value optimized out>)
    at kernel/qobject.cpp:3287
#11 0x000000000040dbd0 in ObexServerSession::transferStarted (this=0x7fff709c5570, _t1=0xf84b00)
    at /tmp/portage/net-wireless/kbluetooth-0.4.2/work/kbluetooth-0.4.2_build/src/moc_obexserversession.cpp:119
#12 0x0000000000428d3c in ObexServerSession::slotTransferStarted (this=0xfbfd30, filename=..., local_path=..., total_bytes=484816)
    at /tmp/portage/net-wireless/kbluetooth-0.4.2/work/kbluetooth-0.4.2/src/obexserver/obexserversession.cpp:110
#13 0x000000000040edae in ObexServerSession::qt_metacall (this=0xfbfd30, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff709c5930)
    at /tmp/portage/net-wireless/kbluetooth-0.4.2/work/kbluetooth-0.4.2_build/src/moc_obexserversession.cpp:94
#14 0x00000037bd4254f1 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=<value optimized out>, 
    slotIdx=<value optimized out>) at qdbusintegrator.cpp:904
#15 0x00000037bd42f8ef in QDBusCallDeliveryEvent::placeMetaCall (this=<value optimized out>, object=<value optimized out>) at qdbusintegrator_p.h:101
#16 0x00000037bbb77ea9 in QObject::event (this=<value optimized out>, e=<value optimized out>) at kernel/qobject.cpp:1240
#17 0x00000037c09be60c in QApplicationPrivate::notify_helper (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:4302
#18 0x00000037c09c4b4b in QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:4185
#19 0x00000037c5a313e6 in KApplication::notify (this=<value optimized out>, receiver=<value optimized out>, event=<value optimized out>)
    at /home/tmp/portage/kde-base/kdelibs-4.4.5/work/kdelibs-4.4.5/kdeui/kernel/kapplication.cpp:302
#20 0x00000037bbb681bb in QCoreApplication::notifyInternal (this=<value optimized out>, receiver=<value optimized out>, event=<value optimized out>) at kernel/qcoreapplication.cpp:726
#21 0x00000037bbb6b873 in QCoreApplication::sendEvent (receiver=<value optimized out>, event_type=<value optimized out>, data=<value optimized out>) at kernel/qcoreapplication.h:215
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=<value optimized out>, event_type=<value optimized out>, data=<value optimized out>) at kernel/qcoreapplication.cpp:1367
#23 0x00000037bbb91ba3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at kernel/qcoreapplication.h:220
#24 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#25 0x00000037b663e2d1 in g_main_dispatch (context=<value optimized out>) at gmain.c:1960
#26 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2513
#27 0x00000037b6642128 in g_main_context_iterate (context=<value optimized out>, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#28 0x00000037b66422dc in IA__g_main_context_iteration (context=<value optimized out>, may_block=<value optimized out>) at gmain.c:2654
#29 0x00000037bbb916e3 in QEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#30 0x00000037c0a6d02e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00000037bbb66b12 in QEventLoop::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:149
#32 0x00000037bbb66ee4 in QEventLoop::exec (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:201
#33 0x00000037bbb6bb5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#34 0x000000000040fa11 in main (argc=<value optimized out>, argv=<value optimized out>) at /tmp/portage/net-wireless/kbluetooth-0.4.2/work/kbluetooth-0.4.2/src/main.cpp:71

Reported using DrKonqi