[Bug 1899621] patch

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** Attachment added: "patch"
   https://bugs.launchpad.net/bugs/1899621/+attachment/5421694/+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/1899621

Title:
  [Ubuntu 20.04] zlib: inflateSyncPoint() returns an incorrect result on
  z15

Status in zlib package in Ubuntu:
  New

Bug description:
  Description:   zlib: inflateSyncPoint() returns an incorrect result on z15
  Symptom:       Certain rsync builds fail with "error in rsync protocol data
                 stream" on z15.
  Problem:       inflateSyncPoint() does not take into account the hardware
                 compression state and returns an incorrect result.
  Solution:      Make inflateSyncPoint() fail if the hardware compression is on.
                 The hardware does not provide enough information in order to
                 implement this function.
  Reproduction:  z15 only: printf 1 >1 && rsync -z 1 2

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