Application: kdeconnectd (0.1)
KDE Platform Version: 4.12.97
Qt Version: 4.8.6
Operating System: Linux 3.13.0-23-generic x86_64
Distribution: Ubuntu Trusty Tahr (development branch)

-- Information about the crash:
Every time I click on the Accept button on the pop-up dialogue, KDE Connect crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: kdeconnect (kdeconnectd), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f220ca047c0 (LWP 18085))]

Thread 2 (Thread 0x7f21fa410700 (LWP 18086)):
#0  0x00007f2209629fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2205ae9fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2205aea0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2209db07be in QEventDispatcherGlib::processEvents (this=0x7f21f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f2209d820af in QEventLoop::processEvents (this=this@entry=0x7f21fa40fe20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f2209d823a5 in QEventLoop::exec (this=this@entry=0x7f21fa40fe20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f2209c7ec5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#7  0x00007f2209c8132f in QThreadPrivate::start (arg=0x148c4b0) at thread/qthread_unix.cpp:349
#8  0x00007f2208cdb182 in start_thread (arg=0x7f21fa410700) at pthread_create.c:312
#9  0x00007f220963730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f220ca047c0 (LWP 18085)):
[KCrash Handler]
#6  QCA::Provider::Context::provider (this=this@entry=0x0) at qca_core.cpp:887
#7  0x00007f220b08afdd in QCA::PublicKey::toPEM (this=<optimized out>) at qca_publickey.cpp:874
#8  0x00000000004189d5 in ?? ()
#9  0x0000000000419c39 in ?? ()
#10 0x0000000000408d35 in ?? ()
#11 0x00007f2209d9787a in QMetaObject::activate (sender=0x14fdae0, m=m@entry=0x7f220c34fd60 <KNotification::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#12 0x00007f220bf6ec33 in KNotification::action1Activated (this=<optimized out>) at ./knotification.moc:149
#13 0x00007f220bf6ecf5 in KNotification::activate (this=this@entry=0x14fdae0, action=action@entry=1) at ../../kdeui/notifications/knotification.cpp:230
#14 0x00007f220bf6ffbd in KNotificationManager::notificationActivated (this=0x153fea0, id=40, action=1) at ../../kdeui/notifications/knotificationmanager.cpp:84
#15 0x00007f2209d9787a in QMetaObject::activate (sender=0x1527e80, m=m@entry=0x7f220c362ce0 <OrgKdeKNotifyInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff81db3510) at kernel/qobject.cpp:3539
#16 0x00007f220c0865dc in OrgKdeKNotifyInterface::notificationActivated (this=<optimized out>, _t1=40, _t2=1) at knotify_interface.moc:126
#17 0x00007f220c0869c1 in OrgKdeKNotifyInterface::qt_static_metacall (_o=0x1527e80, _id=-1, _id@entry=0, _a=0x7fff81db3800, _c=<optimized out>) at knotify_interface.moc:66
#18 0x00007f220c086ef3 in qt_static_metacall (_a=0x7fff81db3800, _id=0, _c=QMetaObject::InvokeMetaMethod, _o=0x1527e80) at knotify_interface.moc:115
#19 OrgKdeKNotifyInterface::qt_metacall (this=0x1527e80, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff81db3800) at knotify_interface.moc:116
#20 0x00007f220adc21f6 in QDBusConnectionPrivate::deliverCall (this=0x1360720, object=0x1527e80, msg=..., metaTypes=..., slotIdx=5) at qdbusintegrator.cpp:951
#21 0x00007f2209d9bc1e in QObject::event (this=0x1527e80, e=<optimized out>) at kernel/qobject.cpp:1194
#22 0x00007f220a2b4e2c in QApplicationPrivate::notify_helper (this=this@entry=0x12c9d60, receiver=receiver@entry=0x1527e80, e=e@entry=0x153e220) at kernel/qapplication.cpp:4567
#23 0x00007f220a2bb4a0 in QApplication::notify (this=this@entry=0x7fff81db3fa0, receiver=receiver@entry=0x1527e80, e=e@entry=0x153e220) at kernel/qapplication.cpp:4353
#24 0x00007f220bf47baa in KApplication::notify (this=0x7fff81db3fa0, receiver=0x1527e80, event=0x153e220) at ../../kdeui/kernel/kapplication.cpp:311
#25 0x00007f2209d834dd in QCoreApplication::notifyInternal (this=0x7fff81db3fa0, receiver=receiver@entry=0x1527e80, event=event@entry=0x153e220) at kernel/qcoreapplication.cpp:953
#26 0x00007f2209d86b3d in sendEvent (event=0x153e220, receiver=0x1527e80) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#27 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x12a5020) at kernel/qcoreapplication.cpp:1577
#28 0x00007f2209d86fe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#29 0x00007f2209db0f83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#30 postEventSourceDispatch (s=0x12c6d90) at kernel/qeventdispatcher_glib.cpp:287
#31 0x00007f2205ae9e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f2205aea048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f2205aea0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f2209db07a1 in QEventDispatcherGlib::processEvents (this=0x12a69a0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#35 0x00007f220a356bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007f2209d820af in QEventLoop::processEvents (this=this@entry=0x7fff81db3ea0, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007f2209d823a5 in QEventLoop::exec (this=this@entry=0x7fff81db3ea0, flags=...) at kernel/qeventloop.cpp:204
#38 0x00007f2209d87b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#39 0x0000000000407e4a in ?? ()
#40 0x00007f220955dec5 in __libc_start_main (main=0x407c80, argc=1, argv=0x7fff81db40d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff81db40c8) at libc-start.c:287
#41 0x0000000000407e9b in _start ()

Reported using DrKonqi