[knetattach] [Bug 486714] New: KNetAttach crashes when trying to connect via SSH when IP is not in known_hosts.

[Lukas Ruzicka]

https://bugs.kde.org/show_bug.cgi?id=486714

            Bug ID: 486714
           Summary: KNetAttach crashes when trying to connect via SSH when
                    IP is not in known_hosts.
    Classification: Applications
           Product: knetattach
           Version: 6.0.4
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: lruzicka at redhat.com
  Target Milestone: ---

Created attachment 169264
  --> https://bugs.kde.org/attachment.cgi?id=169264&action=edit
The screencast showing the situation.

SUMMARY

I am trying to make a connection from Dolphin to an SSH server (SFTP). While
trying to do so, KNetAttach becomes unresponsive in the moment it needs to
approve the authenticity of the server (as the IP is not in the `known-hosts`
file) showing a notification at the same time about **Examining the
connection.** 

The dialogue can be finished in three ways:
* Hitting the X closing icon -> the action is interrupted and the connection is
not created.
* Clicking on the V symbol to dismiss the notification -> KNetAttach crashes
and the crash is caught by Abrt. See
https://bugzilla.redhat.com/show_bug.cgi?id=2279506 for more information.
* Clicking on the "Stop" button at the notification window -> The action stops
but KNetAttach asks for the password.
* Clicking on the "Pause" button at the notification window ->The action is
paused and KNetAttach asks for the password and creates the connection anyway.

Any consecutive attempt to create the connection is successful when the IP
address already is in the known_hosts.

STEPS TO REPRODUCE
See the screencast.

OBSERVED RESULT
KNetAttach is unresponsive and possibly crashes.

EXPECTED RESULT
KNetAttach creates the connection without any issues.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Linux KDE (Rawhide)
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.2.0
Qt Version: 6.7.0

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