exiv2 0.28 breaks gimp jpeg metadata export

[rouelle]

Describe the bug

I'm using Gnome on Arch Linux. Since exiv2 (0.27.6-2 -> 0.28.0-1 -> 0.28.0-2 -> 0.28.0-3) was upgraded to 0.28.0-x Gimp is not able anymore to export metadata from a jpeg file opened, modified and re-saved. A window stating "Message Image JPEG run: saving metadata failed: Failed to write image" appears and the file is saved without metadata.

geeqie and gwenview also crashed since exiv2 0.28; see https://bbs.archlinux.org/viewtopic.php?id=286369

To Reproduce

Steps to reproduce the behavior:

1. Open a jpeg file in Gimp, edit the file, save the file and the metadata are lost with a window saying so.
2. Strangely a jpeg from a cell phone is saved correctly with it's metadata, but a jpeg from a camera (like Sony DSC-HX80) has no metadata saved. I attached two files to test (explanatory file name).
3. Using Arch Linux, exiv2 packages 0.28.0-1, 0.28.0-2, 0.28.0-3; see https://archlinux.org/packages/extra/x86_64/exiv2/ (were upgraded 3 times).

Expected behavior

exiv2 0.27 has no problem neither exporting jpeg metadata nor crashing geeqie and gwenview

Desktop (please complete the following information):

• OS and version: Arch Linux
• Exiv2 version and source: (e.g., 0.28.0-3 from https://archlinux.org/packages/extra/x86_64)

Additional context

You may test with these two jpeg files.

[kmilos]

Duplicate of #2638

[rouelle]

The Geeqie part may be a duplicate but Gimp being unable to export metadata of certain jpeg from a camera is not...

[kevinbackhouse]

@rouelle: it would be helpful if you could provide a stack trace which shows where the problem is in exiv2.

[rouelle]

I first checked in https://wiki.archlinux.org/title/Debugging/Getting_traces to get what you asked me for.

Running gdb gives me 612M of data in ~/.cache/debuginfod_client. I scanned the data looking for files containing the string "exiv" and in subdir of debuginfod_client that were modified today 2023-07-03 around 09:26 when I opened Gimp and tried to save the loaded 4:3 image from the Sony camera (the window saying that the metadata were not saved appeared).

I compressed the resulting debuginfo files in a zip archive (I renamed the 4 different debuginfo to distinguish them).

Hope that will be usefull...
debuginfo-.zip

[kmilos]

I think this can be closed now?

[rouelle]

Well, since I opened the bug nothing has changed, I'm using exiv2 0.28.2-3 on Arch Linux. Exporting from gimp 2.10.36-5 still miss all exif metadata. So, since last year, I export my metadata with cli command:

exiftool -tagsfromfile %f.jpg -ext jpg -overwrite_original ~/Images/bla-bla-bla-dir

I'm curious to know if I'm alone with this bug? If so, I'll close it as there is a workaround even if it is not graceful...
Only the export of metadata doesn't work, geeqie and gwenview doesn't crash anymore.

[kmilos]

But the crashes are gone? We can at least update the issue title then?

As far as the GIMP export goes - could be also a bug on their side, could be in gexiv2... No idea how to narrow it down yet, sorry.

[rouelle]

Le mer 3 avril 2024 00:36:55 -0700 Miloš Komarčević ***@***.***> écrivait :

But the crashes are gone? We can at least update the issue tile then?

Of course! But like I said I'm still curious to know if I'm alone with this bug!

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