[dolphin] [Bug 496586] New: Dolphin spins & crashes until it runs out of swap when drag 'n drop a png image into Gimp's layer's pane

[Mark A. Taff]

https://bugs.kde.org/show_bug.cgi?id=496586

            Bug ID: 496586
           Summary: Dolphin spins & crashes until it runs out of swap when
                    drag 'n drop a png image into Gimp's layer's pane
    Classification: Applications
           Product: dolphin
           Version: 24.08.1
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Severity: grave
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: mark at marktaff.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
When you drag and drop an image (only tested with png so far) from dolphin to
the layers pane in Gimp, rather than trying to import the image once, it tries
to add it an infinite amount of times, until it runs out of swap, and dolphin
crashes (which also takes down Brave browser, likely due to swap).  The whole
time the system is all but locked.  I was able to get into `top` enough to see
dozens and dozens of `file-png` ??? processes spawned.  Really a toss-up if you
can wait out the infinite loop or of you have to power cycle the box.  This has
happened three times in a row (every time I've tried it), each with different
images. These are small images I'm working with: favicons on the order 1-2kB.

I also do this with a selected list of images, dragging many nearly identical
images at once for image-stacking purposes, but I haven't tested trying to drag
multiple images.

STEPS TO REPRODUCE
1. Open some image in gimp, or start a new image.
2. Add a new layer, by dragging a file from dolphin, and dropping it into the
layers pane in gimp.
3.  Go have a beer while you watch your computer melt. :-)

OBSERVED RESULT
System all but locks up, and eventually dolphin crashes, apparently due to
running out of swap, which then takes down Brave.  Gimp remains up, and will
have the image inserted many times.  The one time I let it spin without
rebooting, the image had been inserted 119 times instead of once.

EXPECTED RESULT
Dolphin should give gimp just the selected file(s), and only once.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 24.10
KDE Plasma Version: 6.1.5
KDE Frameworks Version: 6.6.0
Qt Version: 6.6.2
Kernel Version: 6.11.0-9-generic (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i5-5250U CPU @ 1.60GHz
Memory: 14.6 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 6000

ADDITIONAL INFORMATION
Using GIMP 2.10.38

I do not have a backtrace, but I did add `export
DEBUGINFOD_URLS="https://debuginfod.ubuntu.com"` to my ~/.bashrc in case I am a
glutton for punishment enough to make the mistake of trying this again.

This seems similar to Bug 482298, but that is supposedly fixed.  Perhaps my
versions are still too old.

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