Application: krunner (5.10.90)

Qt Version: 5.7.1
Frameworks Version: 5.35.0
Operating System: Linux 4.11.1-xanmod3 x86_64
Distribution: KDE neon Developer Edition

-- Information about the crash:
Simple log into a wayland session and Alt+F2 or Alt+Space, and wait for the crash icon on the notification area.

I tried to run it from a terminal. This is what i get until the crash:

QObject::connect: invalid null parameter
Using Wayland-EGL
WARNING: Cannot find style "org.kde.desktop" - fallback: "/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/Styles/Desktop"
KCrash: Attempting to start /usr/bin/krunner from kdeinit
sock_file=/run/user/1000/kdeinit5__1
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = krunner path = /usr/bin pid = 23512
KCrash: Arguments: /usr/bin/krunner 
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__1
QSocketNotifier: Invalid socket 7 and type 'Read', disabling...
QSocketNotifier: Invalid socket 14 and type 'Read', disabling...

[1]+  Stopped                 krunner

The crash can be reproduced every time.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe66cdf98c0 (LWP 16672))]

Thread 4 (Thread 0x7fe64de6a700 (LWP 16700)):
#0  0x00007ffcb0b45b32 in clock_gettime ()
#1  0x00007fe6693c7c86 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7fe64de69a40) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fe669b5f241 in qt_clock_gettime (ts=0x7fe64de69a40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:109
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:164
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:173
#5  0x00007fe669cd83d9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fe648002ed0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007fe669cd8945 in QTimerInfoList::timerWait (this=0x7fe648002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007fe669cd9d0e in timerSourcePrepareHelper (timeout=0x7fe64de69b14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7fe64de69b14) at kernel/qeventdispatcher_glib.cpp:165
#9  0x00007fe66506491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fe6650652bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fe66506549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fe669cda75b in QEventDispatcherGlib::processEvents (this=0x7fe6480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007fe669c850ba in QEventLoop::exec (this=this@entry=0x7fe64de69ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#14 0x00007fe669ab4f64 in QThread::exec (this=this@entry=0x2251990) at thread/qthread.cpp:507
#15 0x00007fe66bd38bf5 in QQmlThreadPrivate::run (this=0x2251990) at qml/ftw/qqmlthread.cpp:147
#16 0x00007fe669ab9b48 in QThreadPrivate::start (arg=0x2251990) at thread/qthread_unix.cpp:368
#17 0x00007fe6673626ba in start_thread (arg=0x7fe64de6a700) at pthread_create.c:333
#18 0x00007fe6693b982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fe64f612700 (LWP 16699)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe65356c0f3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fe65356b817 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fe6673626ba in start_thread (arg=0x7fe64f612700) at pthread_create.c:333
#4  0x00007fe6693b982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe658eca700 (LWP 16683)):
#0  0x00007ffcb0b45b32 in clock_gettime ()
#1  0x00007fe6693c7c86 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7fe658ec9a30) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fe669b5f241 in qt_clock_gettime (ts=0x7fe658ec9a30, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:109
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:164
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:173
#5  0x00007fe669cd83d9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fe6540030d0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007fe669cd8945 in QTimerInfoList::timerWait (this=0x7fe6540030d0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007fe669cd9d0e in timerSourcePrepareHelper (timeout=0x7fe658ec9b04, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7fe658ec9b04) at kernel/qeventdispatcher_glib.cpp:165
#9  0x00007fe66506491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fe6650652bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fe66506549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fe669cda75b in QEventDispatcherGlib::processEvents (this=0x7fe6540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007fe669c850ba in QEventLoop::exec (this=this@entry=0x7fe658ec9cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#14 0x00007fe669ab4f64 in QThread::exec (this=this@entry=0x7fe66cf8cd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507
#15 0x00007fe66cf18735 in QDBusConnectionManager::run (this=0x7fe66cf8cd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#16 0x00007fe669ab9b48 in QThreadPrivate::start (arg=0x7fe66cf8cd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#17 0x00007fe6673626ba in start_thread (arg=0x7fe658eca700) at pthread_create.c:333
#18 0x00007fe6693b982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe66cdf98c0 (LWP 16672)):
[KCrash Handler]
#6  get_next_argument (signature=0x200000001 <error: Cannot access memory at address 0x200000001>, details=details@entry=0x7ffcb0a5a780) at ../src/connection.c:430
#7  0x00007fe667e8ae57 in wl_argument_from_va_list (signature=<optimized out>, args=args@entry=0x7ffcb0a5a7d0, count=count@entry=20, ap=ap@entry=0x7ffcb0a5a7b8) at ../src/connection.c:493
#8  0x00007fe667e88d0d in wl_proxy_marshal (proxy=0x2589d40, opcode=2) at ../src/wayland-client.c:692
#9  0x0000000000409919 in View::event (this=0x7ffcb0a5b000, event=0x7ffcb0a5abd0) at /workspace/build/krunner/view.cpp:255
#10 0x00007fe66a804ecc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7ffcb0a5b000, e=0x7ffcb0a5abd0) at kernel/qapplication.cpp:3799
#11 0x00007fe66a80c8c6 in QApplication::notify (this=0x7ffcb0a5af90, receiver=0x7ffcb0a5b000, e=0x7ffcb0a5abd0) at kernel/qapplication.cpp:3556
#12 0x00007fe669c870c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x7ffcb0a5b000, event=event@entry=0x7ffcb0a5abd0) at kernel/qcoreapplication.cpp:988
#13 0x00007fe669fc74b0 in QCoreApplication::sendSpontaneousEvent (event=0x7ffcb0a5abd0, receiver=0x7ffcb0a5b000) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#14 QGuiApplicationPrivate::processGeometryChangeEvent (e=<optimized out>) at kernel/qguiapplication.cpp:2200
#15 0x00007fe669fcc59d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x2367100) at kernel/qguiapplication.cpp:1699
#16 0x00007fe669faa32b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:659
#17 0x00007fe65ac52480 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#18 0x00007fe665065197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fe6650653f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fe66506549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fe669cda73f in QEventDispatcherGlib::processEvents (this=0x20c0500, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007fe669c850ba in QEventLoop::exec (this=this@entry=0x7ffcb0a5aec0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#23 0x00007fe669c8d6cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#24 0x00007fe669fc224c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1633
#25 0x00007fe66a804e25 in QApplication::exec () at kernel/qapplication.cpp:2975
#26 0x0000000000406d76 in main (argc=1, argv=<optimized out>) at /workspace/build/krunner/main.cpp:92

Reported using DrKonqi