Application: kcmshell5 (5.8.7)

Qt Version: 5.9.1
Frameworks Version: 5.37.0
Operating System: Linux 4.12.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed:
Trying to set up an wifi-ap in NetworkManager. NetworkManager crashes when pressing "OK" after editing the wifi settings of the ap-hotspot
The set-up wifi is visible in the connection manager of the Linux host, but not on mobile devices (two different were tested).

The crash can be reproduced every time.

-- Backtrace:
Application: Modul für Systemeinstellungen (kcmshell5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0c26af7600 (LWP 2181))]

Thread 3 (Thread 0x7f0c0a34e700 (LWP 2183)):
#0  0x00007fffdab7b979 in ?? ()
#1  0x00007fffdab7bc2a in clock_gettime ()
#2  0x00007f0c2647d956 in __GI___clock_gettime (clock_id=1, tp=0x7f0c0a34da40) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f0c23b12d31 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0c23b11569 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0c23b11b45 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0c23b1318e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0c1e6bf658 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f0c1e6c004b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f0c1e6c022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f0c23b1341b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0c23ab8dba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0c238d83ca in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0c2577fe45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#14 0x00007f0c238dd29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f0c20890494 in start_thread (arg=0x7f0c0a34e700) at pthread_create.c:333
#16 0x00007f0c26470abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f0c1329a700 (LWP 2182)):
#0  0x00007f0c2646766d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0c21105150 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0c21106ee9 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0c157fbf09 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0c238dd29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0c20890494 in start_thread (arg=0x7f0c1329a700) at pthread_create.c:333
#6  0x00007f0c26470abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f0c26af7600 (LWP 2181)):
[KCrash Handler]
#6  0x00007f0c23f72940 in typeinfo for QDynamicMetaObjectData () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0c24ac66c5 in QWidget::destroy(bool, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f0c24a92070 in QApplication::~QApplication() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f0c2672ce02 in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kcmshell5.so
#10 0x00007f0c263a82e1 in __libc_start_main (main=0x55adc51e4790, argc=2, argv=0x7fffdab3a378, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffdab3a368) at ../csu/libc-start.c:291
#11 0x000055adc51e47ca in _start ()

Reported using DrKonqi