https://bugs.kde.org/show_bug.cgi?id=429850

            Bug ID: 429850
           Summary: Crash when traying to connect to new network
           Product: plasmashell
           Version: 5.19.5
          Platform: Kubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: critical
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: piotr.in...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Every time I try to use network manager widget to connect to new network it
entire plasma shell crashes. Connecting to the network using manager window
(which requires to add connection and input router's mac address manually)
works. After connection is saved you can connect to the network without issues.
I checked it on two different machines, it works the same for both. Another
issue is that while I have one network seleted on the list and networks
position changes my selection stays with the posision and not the network, so
at the end I cna't tell which network system is traying to connect.


STEPS TO REPRODUCE
1. open network manager widget
2. find new network you have never connected to before
3. select it (you can notice that if it changes position on the list, you might
end up with different network then one you have selected)
4. click connect and input password (still it is possible that networks will
swap places, so you might be inputing password for wrong network)
5. click connect one more time
6. wait until plasma is done restarting itself after crach

OBSERVED RESULT
Networks changing places but selection stays on same position, resulting in
changing which network is selected. Note that this may result in sending your
password to wrong network which is searious seutiry issue (someone will recieve
your wifi password)

Plasma crashes when you try to connect

EXPECTED RESULT
List shouldn't update when you have a network selected, not to mention when you
are inputing password.

New connection should be establiched and you should be connected to it

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 20.10
(available in About System)
KDE Plasma Version: 5.19.5
KDE Frameworks Version: 5.74.0
Qt Version: 5.14.2

ADDITIONAL INFORMATION
I know I am describing two issues there, but I think they might be connected,
since I was unable to finninsh proedure without being interrupted by list items
changing places, so I can't be sure if crash will occur if that doesn't
happend.

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