[dolphin] [Bug 452707] New: [Wayland] Moving files from one partition to another results in a memory leak

[kqnum]

https://bugs.kde.org/show_bug.cgi?id=452707

            Bug ID: 452707
           Summary: [Wayland] Moving files from one partition to another
                    results in a memory leak
           Product: dolphin
           Version: 21.12.3
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: kqnumwpvwbjohvazjx at kvhrr.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
Moving one or more files with Dolphin in a Wayland session from one partition
to another causes a memory leak in the plasmashell process.


STEPS TO REPRODUCE
1. Cut one or more files by pressing Ctrl + X, or right clicking and selecting
Cut
2. Paste the files with into a directory on a partition that is different from
the files that were moved.

OBSERVED RESULT
The plasmashell process continuously consumes more memory, and takes more CPU
until the dolphin window is closed. The leaked memory is not returned even
after the window is closed. The CPU usage returns back to normal after the
window is closed.

EXPECTED RESULT
There should be no additional memory or CPU usage after a file is done moving.

SOFTWARE/OS VERSIONS
Linux: EndeavourOS, Kernel 5.17.3
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3

ADDITIONAL INFORMATION
This bug only occurs in Wayland sessions, and not Xorg.
It occurs in both ext4 partitions, and btrfs partitions.
It doesn't occur when copying files. It also doesn't occur when only a folder
is moved. When moving both a file and a folder in the same operation, the bug
doesn't occur.

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