[Bug 1990379] Re: [UBUNTU 20.04] zlib: inflate() does not update strm.adler if DFLTCC is used

[Frank Heimes]

Ok, that's a (minimal) patch that can be handled nicely, thanks Ilya!

Test packages are now being build in the following PPA
for focal/20.04, jammy/22.04 and kinetic/22.10:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1990379
https://launchpad.net/~fheimes/+archive/ubuntu/lp1990379/+packages

It would be great if someone (for example 'rahil'?!) could test (probably) at least the focal package upfront, to ensure that the situation is really solved, and with that, give us confidence for the SRU process.
(Please notice that this would be on top of the official verification request that will come up later during the SRU process).

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https://bugs.launchpad.net/bugs/1990379

Title:
  [UBUNTU 20.04] zlib: inflate() does not update strm.adler if DFLTCC is
  used

Status in Ubuntu on IBM z Systems:
  New
Status in zlib package in Ubuntu:
  New

Bug description:
  == Comment: #0 - Ilya Leoshkevich <iii at de.ibm.com> - 2022-09-21 05:02:24 ==
  inflate() does not update strm.adler if DFLTCC is used.

  Found with a JDK test.

  zlib-ng PR: https://github.com/zlib-ng/zlib-ng/pull/1349

  Updated zlib PR: https://github.com/madler/zlib/pull/410

  zlib tag: https://github.com/iii-i/zlib/releases/tag/dfltcc-20220920

  zlib diff:
  https://github.com/madler/zlib/compare/e6aed68ff815be74855ec6a19d6ae35065a4adb4..171d0ff3c9ed40da0ac14085ab16b766b1162069#diff-325baa03829572a9f26b4bb8b3cada1ddc637854529d6a6cb111b8c3ca785620

  Ubuntu 20.04 and later need to be fixed.

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