[dolphin] [Bug 487680] New: Dolphin crashes when trying to eject an unmounted encrypted disk

[oht11414]

https://bugs.kde.org/show_bug.cgi?id=487680

            Bug ID: 487680
           Summary: Dolphin crashes when trying to eject an unmounted
                    encrypted disk
    Classification: Applications
           Product: dolphin
           Version: 22.12.3
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: oht11414 at doolk.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
I have a luks2 disk without partition table and containing a single ext4
partition.
I am using normal debian KDE stable and didn't make any fancy changes.

STEPS TO REPRODUCE
1. Create a luks2 encrypted disk (for example an USB flash drive) without
partition table and containing a single ext4 partition.
2. Replug the device so it will be shown in dolphin.
3. Open a dolphin window so you see the device on the left (under "Removable
Devices").
4. Click on the device and enter the password. It should now open the luks2
container and also mount the ext4 partition.
5. Click on the eject symbol of the ext4 partition under "Devices" (NOT on the
disk under "Removable Devices").
6. The partition is now unmounted while the luks2 container is still open (can
be seen when running lsblk).
7. Click the eject symbol of the luks2 container under "Removable Devices".
Dolphin will crash.

OBSERVED RESULT
Dolphin crashes and the luks2 container is still open (see lsblk).

EXPECTED RESULT
Dolphin properly closes the luks2 container.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version:  5.27.5
KDE Frameworks Version: 
Qt Version: 5.15.8

ADDITIONAL INFORMATION

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