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[Po-Hsu Lin <2056289@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 2025638 ***
    https://bugs.launchpad.net/bugs/2025638

Note that this shares the same test with ubuntu_ltp_controllers/cgroup_core02
I will mark this one as duplicated.

** This bug has been marked a duplicate of bug 2025638
   cgroup_core02 in ubuntu_ltp_controller failed on J-5.15 s390x

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https://bugs.launchpad.net/bugs/2056289

Title:
  cve-2021-4197_2 from ubuntu_ltp_cve failed on J-s390x

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found on Jammy 5.15 since 5.15.0-93.103 (sru-20240108) on
  manually provisioned s390x instance kernel07 and s2lp4.

  Test log:
   INFO: Test start time: Tue Jan  9 05:09:13 EST 2024
   COMMAND:    /opt/ltp/bin/ltp-pan -q  -e -S   -a 246685     -n 246685  -f /tmp/ltp-PYjilUHcBF/alltests -l /dev/null  -C /dev/null -T /dev/null
   LOG File: /dev/null
   FAILED COMMAND File: /dev/null
   TCONF COMMAND File: /dev/null
   Running tests.......
   tst_test.c:1690: TINFO: LTP version: 20230929-185-g19ef6521d
   tst_test.c:1574: TINFO: Timeout per run is 0h 00m 30s
   cgroup_core02.c:82: TFAIL: test_lesser_ns_open failed
   
   HINT: You _MAY_ be missing kernel fixes:
   
   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e57457641613
   
   HINT: You _MAY_ be vulnerable to CVE(s):
   
   https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4197
   
   Summary:
   passed   0
   failed   1
   broken   0
   skipped  0
   warnings 0
   INFO: ltp-pan reported some tests FAIL
   LTP Version: 20230929-185-g19ef6521d
   INFO: Test end time: Tue Jan  9 05:09:13 EST 2024

  Since this issue does not exist on openstack s390x instance, it's probably related to the test environment.
  Also, this test case does not exist before our recent LTP fork update before sru-20240108.

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