[Bug 1889059] [NEW] [Ubuntu 20.04] zlib on s390x may produce incomplete raw (but not gzip/zlib) streams

Mon Jul 27 10:00:20 UTC 2020

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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.

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

** Tags: architecture-s3903164 bugnameltc-186995 severity-high targetmilestone-inin2004
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[Ubuntu 20.04] zlib on s390x may produce incomplete raw (but not gzip/zlib) streams
https://bugs.launchpad.net/bugs/1889059
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