Bug#1129972: libjxl-testdata breaks jpeg-xl autopkgtest

[Paul Gevers]

Source: libjxl-testdata, jpeg-xl
Control: found -1 libjxl-testdata/0.0~git20250513.73695d3-2
Control: found -1 jpeg-xl/0.11.1-6
Severity: serious
Tags: sid forky
User: debian-ci at lists.debian.org
Usertags: breaks needs-update

Dear maintainer(s),

With a (not so) recent upload of libjxl-testdata the autopkgtest of 
jpeg-xl fails in testing when that autopkgtest is run with the binary 
packages of libjxl-testdata from unstable. It passes when run with only 
packages from testing. In tabular form:

                        pass            fail
libjxl-testdata        from testing    0.0~git20250513.73695d3-2
jpeg-xl                from testing    0.11.1-6
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of libjxl-testdata 
to testing [1]. Due to the nature of this issue, I filed this bug report 
against both packages. Can you please investigate the situation and 
reassign the bug to the right package?

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=libjxl-testdata

https://ci.debian.net/data/autopkgtest/testing/amd64/j/jpeg-xl/69289109/log.gz

  72s Running Tests
  72s Test - Compression Ratio
  73s JPEG XL encoder v0.11.1 [AVX2,SSE4,SSE2]
  73s Encoding [VarDCT, d1.000, effort: 7]
  73s Compressed to 521.5 kB including container (1.217 bpp).
  73s 2268 x 1512,  11.406 MP/s [11.41, 11.41], , 1 reps, 48 threads.
  73s JPEG XL file format container (ISO/IEC 18181-2)
  73s JPEG XL image, 2268x1512, lossy, 8-bit RGB
  73s Brotli-compressed Exif metadata: 12074 compressed bytes
  73s Brotli-compressed xml  metadata: 673 compressed bytes
  73s Color space: RGB, D65, sRGB primaries, sRGB transfer function, 
rendering intent: Perceptual
  73s JPEG XL decoder v0.11.1 [AVX2,SSE4,SSE2]
  73s Decoded to pixels.
  73s 2268 x 1512,  137.246 MP/s [137.25, 137.25], , 1 reps, 48 threads.
  73s Invalid compression size: 521539
  73s Test - Lossless Roundtrip
  73s JPEG XL encoder v0.11.1 [AVX2,SSE4,SSE2]
  73s Reading image data failed.
  74s autopkgtest [13:17:07]: test run-unit-test

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