[Bug 2083526] Re: FTBFS s390x: gzip: stdin: invalid compressed data--format violated

[Andreas Hasenack]

I ran the gzip build-time tests on s390x, and nothing failed. Focusing
on rsyslog again.

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Title:
  FTBFS s390x: gzip: stdin: invalid compressed data--format violated

Status in rsyslog package in Ubuntu:
  New
Status in rsyslog source package in Noble:
  New
Status in rsyslog source package in Oracular:
  New

Bug description:
  Multiple build-time gzip tests are failing[1] on s390x only:

  14:31:21[0]  Test: ./gzipwr_flushInterval.sh
  ------------------------------------------------------------
  config rstb_615693_cea0d3b33SOB_.conf is:
       1	module(load="../plugins/imdiag/.libs/imdiag")
       2	global(inputs.timeout.shutdown="60000"
       3	       default.action.queue.timeoutshutdown="20000"
       4	       default.action.queue.timeoutEnqueue="20000")
       5	# use legacy-style for the following settings so that we can override if needed
       6	$MainmsgQueueTimeoutEnqueue 20000
       7	$MainmsgQueueTimeoutShutdown 10000
       8	$IMDiagListenPortFileName rstb_615693_cea0d3b33SOB.imdiag.port
       9	$IMDiagServerRun 0
      10	$IMDiagAbortTimeout 580
      11	
      12	:syslogtag, contains, "rsyslogd"  ./rstb_615693_cea0d3b33SOB.started
      13	###### end of testbench instrumentation part, test conf follows:
      14	
      15	module(load="../plugins/imtcp/.libs/imtcp")
      16	input(type="imtcp" port="0" listenPortFileName="rstb_615693_cea0d3b33SOB.tcpflood_port")
      17	
      18	template(name="outfmt" type="string" string="%msg:F,58:2%\n")
      19	:msg, contains, "msgnum:" action(type="omfile" template="outfmt"
      20					 zipLevel="6" ioBufferSize="256k"
      21					 flushOnTXEnd="off" flushInterval="1"
      22					 asyncWriting="on"
      23				         file="rstb_615693_cea0d3b33SOB.out.log.gz")
  rsyslogd: NOTE: RSYSLOG_DEBUG_TIMEOUTS_TO_STDERR activated
  main Q:Reg: worker start requested, num workers currently 0
  main Q:Reg: wrkr start initiated with state 0, num workers now 1
  rsyslog debug: main Q:Reg: worker 0x2aa3d545730 started
  rsyslog debug: main Q:Reg: started with state 3, num workers now 1
  14:31:21[0]  rstb_615693_cea0d3b33SOB:.pid found, pid 158902
  14:31:21[0]  rsyslogd startup msg seen, pid  158902
  waiting for file rstb_615693_cea0d3b33SOB.imdiag.port
  imdiag port: 35981
  waiting for file rstb_615693_cea0d3b33SOB.tcpflood_port
  TCPFLOOD_PORT now: 37167
  starting run 1
  Sending 2500 messages.

  00002500 messages sent
  runtime: 0.001
  End of tcpflood Run

  gzip: rstb_615693_cea0d3b33SOB.out.log.gz: invalid compressed data--format violated
  scanf error in index i=0

  gzip: rstb_615693_cea0d3b33SOB.out.log.gz: invalid compressed data--format violated
  sequence error detected in rstb_615693_cea0d3b33SOB.out.log.gz
  number of lines in file: 0 rstb_615693_cea0d3b33SOB.out.log.gz
  sorted data has been placed in error.log, first 10 lines are:
       1	scanf error in index i=0
  ---last 10 lines are:
       1	scanf error in index i=0
  UNSORTED data, first 10 lines are:
       1	scanf error in index i=0
  ---last 10 lines are:
       1	scanf error in index i=0
  not reporting failure as RSYSLOG_STATSURL is not set
  rsyslog pid file still exists, trying to shutdown...
  rsyslogd debug: info: trying to cooperatively stop input ../plugins/imdiag/.libs/imdiag, timeout 60000 ms
  rsyslogd debug: info: trying to cooperatively stop input imtcp, timeout 60000 ms
  rsyslog debug: main Q:Reg/w0: enter WrkrExecCleanup
  rsyslog debug: 0x2aa3d5458b0: worker exiting
  rsyslog debug: main Q:Reg/w0: thread joined
  14:31:26[5]  FAIL: Test ./gzipwr_flushInterval.sh (took 5 seconds)
  FAIL gzipwr_flushInterval.sh (exit status: 1)

  
  So far I have seen this in noble, while preparing an SRU[2]. Don't know yet if oracular or others are also affected.

  
  1. https://launchpadlibrarian.net/752369377/buildlog_ubuntu-noble-s390x.rsyslog_8.2312.0-3ubuntu9.1~ppa1_BUILDING.txt.gz
  2. https://bugs.launchpad.net/ubuntu/+source/rsyslog/+bug/2056768

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