[dolphin] [Bug 464667] New: Dolphin details view showing wrong size of folders

[chupathingy]

https://bugs.kde.org/show_bug.cgi?id=464667

            Bug ID: 464667
           Summary: Dolphin details view showing wrong size of folders
    Classification: Applications
           Product: dolphin
           Version: 22.12.1
          Platform: Archlinux
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: view-engine: details mode
          Assignee: dolphin-bugs-null at kde.org
          Reporter: whkde at protonmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 155518
  --> https://bugs.kde.org/attachment.cgi?id=155518&action=edit
Screenshot of the bug in Dolphin

SUMMARY
***
When "Folder size displays" is set to "Size of contents", some folders are
shown to have a much larger size than they actually have, and when going
further into it it gets exponentially larger. 
Partition where the folder I noticed this on is an ext4 partition with 465 GiB
of space, yet the parent folder says the content is 386 TiB and the first child
folder shows as 23,9 PiB. I do not have any other drive mounted or symlink in
that location, nor do I have any storage device even remotely close to that
size. I have maybe 10 TiB in total, including non-mounted drives.
***


STEPS TO REPRODUCE
1. Enable "Size of content" in Configure > Configure Dolphin > View Modes >
Details and set it to 4 or above
2. Open a detail view of a non-root mounted drive
3. Enable tree view (for me top folder is also affected for some drives while
some only shows when expanded)

OBSERVED RESULT
Dolphin reports wildly inaccurate size of folders

EXPECTED RESULT
Dolphin should report the correct size

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux - 6.1.7-Zen
(available in About System)
KDE Plasma Version: 5.26.5
KDE Frameworks Version: 5.102.0
Qt Version: 5.15.8

ADDITIONAL INFORMATION
Drives mounted as ext4, happens to both a 2TB HDD and 500GB NVMe SSD
I first noticed this on Wayland, have not looked for it on X11 due to Plasma
bugs on X11 after a recent update

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