[Bug 1889059] preliminary fix

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** Attachment added: "preliminary fix"
   https://bugs.launchpad.net/bugs/1889059/+attachment/5396196/+files/patch

** Changed in: ubuntu
     Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)

** Package changed: ubuntu => zlib (Ubuntu)

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https://bugs.launchpad.net/bugs/1889059

Title:
  [Ubuntu 20.04] zlib on s390x may produce incomplete raw (but not
  gzip/zlib) streams

Status in zlib package in Ubuntu:
  New

Bug description:
  zlib on s390x may produce incomplete raw (but not gzip/zlib) streams

  ---uname output---
  Linux t35lp56.lnxne.boe 5.8.0-20200703.rc3.git0.52a479d42203.300.fc31.s390x #1 SMP Fri Jul 3 00:46:20 CEST 2020 s390x s390x s390x GNU/Linux
   
  Machine Type = z15 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   Create a raw (negative windowBits value) stream with zlib. EOBS might be missing or truncated.


  This affects all distro levels that contain hardware acceleration
  (DFLTCC) patch. I've attached the preliminary fix.

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