[Bug 1899621] [NEW] [Ubuntu 20.04] zlib: inflateSyncPoint() returns an incorrect result on z15

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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

** Affects: zlib (Ubuntu)
     Importance: Undecided
     Assignee: Skipper Bug Screeners (skipper-screen-team)
         Status: New


** Tags: architecture-s39064 bugnameltc-188656 severity-high targetmilestone-inin2004
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[Ubuntu 20.04] zlib: inflateSyncPoint() returns an incorrect result on z15
https://bugs.launchpad.net/bugs/1899621
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