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[Bug 2110560] [NEW] plucky: ubuntu_ltp_controllers:cgroup cgroup_regression_test 7 segfault

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Mehmet Basaran <2110560@xxxxxxxxxxxxxxxxxx>
Date: Tue, 13 May 2025 14:45:29 -0000
Reply-to: Bug 2110560 <2110560@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

ubuntu_ltp_controllers:cgroup has been failing for plucky (6.14.0-9.9 -
6.14.0-17-17).

16614  22:21:35 INFO | START ubuntu_ltp_controllers.cgroup ubuntu_ltp_controllers.cgroup timeout=4500 timestamp=1746138095 localtime=May 01 22:21:35
16615  22:21:35 DEBUG| Persistent state client._record_indent now set to 2
16616  22:21:35 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_ltp_controllers.cgroup', 'ubuntu_ltp_controllers.cgroup')
16617  22:21:35 DEBUG| Waiting for pid 53429 for 4500 seconds
16618  22:21:35 WARNI| System python is too old, crash handling disabled
16619  22:21:35 ERROR| [stderr] -------------------------------------------
16620  22:21:35 ERROR| [stderr] INFO: runltp script is deprecated, try kirk
16621  22:21:35 ERROR| [stderr] https://github.com/linux-test-project/kirk
16622  22:21:35 ERROR| [stderr] -------------------------------------------
16623  22:21:35 DEBUG| [stdout] Checking for required user/group ids
16624  22:21:35 DEBUG| [stdout]
16625  22:21:35 DEBUG| [stdout] 'root' user id and group found.
16626  22:21:35 DEBUG| [stdout] 'nobody' user id and group found.
16627  22:21:35 DEBUG| [stdout] 'bin' user id and group found.
16628  22:21:35 DEBUG| [stdout] 'daemon' user id and group found.
16629  22:21:35 DEBUG| [stdout] Users group found.
16630  22:21:35 DEBUG| [stdout] Sys group found.
16631  22:21:35 DEBUG| [stdout] Required users/groups exist.
16632  22:21:35 DEBUG| [stdout] no big block device was specified on commandline.
16633  22:21:35 DEBUG| [stdout] Tests which require a big block device are disabled.
16634  22:21:35 DEBUG| [stdout] You can specify it with option -z
16635  22:21:35 DEBUG| [stdout] INFO: Test start time: Thu May 1 22:21:35 UTC 2025
16636  22:21:35 DEBUG| [stdout] COMMAND: /opt/ltp/bin/ltp-pan -q -e -S -a 53434 -n 53434 -f /tmp/ltp-I1XwocwvHu/alltests -l /dev/null -C /dev/null -T /dev/null
16637  22:21:35 DEBUG| [stdout] LOG File: /dev/null
16638  22:21:35 DEBUG| [stdout] FAILED COMMAND File: /dev/null
16639  22:21:35 DEBUG| [stdout] TCONF COMMAND File: /dev/null
16640  22:21:35 DEBUG| [stdout] Running tests.......
16641  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: Running: cgroup_regression_test.sh
16642  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: Tested kernel: Linux kt-p-l-gen-6-14-u-ltp-controllers-amd64 6.14.0-17-generic #17-Ubuntu SMP PREEMPT_DYNAMIC Thu May 1 11:39:26 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
16643  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: Using /tmp/ltp-I1XwocwvHu/LTP_cgroup_regression_test.dfecmJ3UYn as tmpdir (tmpfs filesystem)
16644  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: timeout per run is 0h 5m 0s
16645  22:21:36 DEBUG| [stdout] cgroup_regression_test 1 TPASS: no kernel bug was found
16646  22:21:36 DEBUG| [stdout] cgroup_regression_test 2 TPASS: notify_on_release is inherited
16647  22:21:36 DEBUG| [stdout] cgroup_regression_test 3 TCONF: CONFIG_SCHED_DEBUG is not enabled
16648  22:21:36 DEBUG| [stdout] cgroup_regression_test 4 TCONF: CONFIG_LOCKDEP is not enabled
16649  22:22:06 DEBUG| [stdout] cgroup_regression_test 5 TINFO: The '/tmp/ltp-I1XwocwvHu/LTP_cgroup_regression_test.dfecmJ3UYn/cgroup' is not mounted, skipping umount
16650  22:22:06 DEBUG| [stdout] cgroup_regression_test 5 TPASS: no kernel bug was found
16651  22:22:36 DEBUG| [stdout] cgroup_regression_test 6 TPASS: no kernel bug was found
16652  22:22:37 DEBUG| [stdout] Segmentation fault (core dumped)
16653  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TBROK: 'tst_cgctl require' exited
16654  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TINFO: AppArmor enabled, this may affect test results
16655  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
16656  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TINFO: loaded AppArmor profiles: none
16657  22:22:37 DEBUG| [stdout]
16658  22:22:37 DEBUG| [stdout] Summary:
16659  22:22:37 DEBUG| [stdout] passed 4
16660  22:22:37 DEBUG| [stdout] failed 0
16661  22:22:37 DEBUG| [stdout] broken 1
16662  22:22:37 DEBUG| [stdout] skipped 2
16663  22:22:37 DEBUG| [stdout] warnings 0
16664  22:22:37 DEBUG| [stdout] INFO: ltp-pan reported some tests FAIL
16665  22:22:37 DEBUG| [stdout] LTP Version: 20240930
16666  22:22:37 DEBUG| [stdout] INFO: Test end time: Thu May 1 22:22:37 UTC 2025
16667  22:22:37 ERROR| [stderr] -------------------------------------------
16668  22:22:37 ERROR| [stderr] INFO: runltp script is deprecated, try kirk
16669  22:22:37 ERROR| [stderr] https://github.com/linux-test-project/kirk
16670  22:22:37 ERROR| [stderr] -------------------------------------------

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2110560

Title:
  plucky: ubuntu_ltp_controllers:cgroup cgroup_regression_test 7
  segfault

Status in ubuntu-kernel-tests:
  New

Bug description:
  ubuntu_ltp_controllers:cgroup has been failing for plucky (6.14.0-9.9
  - 6.14.0-17-17).

  16614  22:21:35 INFO | START ubuntu_ltp_controllers.cgroup ubuntu_ltp_controllers.cgroup timeout=4500 timestamp=1746138095 localtime=May 01 22:21:35
  16615  22:21:35 DEBUG| Persistent state client._record_indent now set to 2
  16616  22:21:35 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_ltp_controllers.cgroup', 'ubuntu_ltp_controllers.cgroup')
  16617  22:21:35 DEBUG| Waiting for pid 53429 for 4500 seconds
  16618  22:21:35 WARNI| System python is too old, crash handling disabled
  16619  22:21:35 ERROR| [stderr] -------------------------------------------
  16620  22:21:35 ERROR| [stderr] INFO: runltp script is deprecated, try kirk
  16621  22:21:35 ERROR| [stderr] https://github.com/linux-test-project/kirk
  16622  22:21:35 ERROR| [stderr] -------------------------------------------
  16623  22:21:35 DEBUG| [stdout] Checking for required user/group ids
  16624  22:21:35 DEBUG| [stdout]
  16625  22:21:35 DEBUG| [stdout] 'root' user id and group found.
  16626  22:21:35 DEBUG| [stdout] 'nobody' user id and group found.
  16627  22:21:35 DEBUG| [stdout] 'bin' user id and group found.
  16628  22:21:35 DEBUG| [stdout] 'daemon' user id and group found.
  16629  22:21:35 DEBUG| [stdout] Users group found.
  16630  22:21:35 DEBUG| [stdout] Sys group found.
  16631  22:21:35 DEBUG| [stdout] Required users/groups exist.
  16632  22:21:35 DEBUG| [stdout] no big block device was specified on commandline.
  16633  22:21:35 DEBUG| [stdout] Tests which require a big block device are disabled.
  16634  22:21:35 DEBUG| [stdout] You can specify it with option -z
  16635  22:21:35 DEBUG| [stdout] INFO: Test start time: Thu May 1 22:21:35 UTC 2025
  16636  22:21:35 DEBUG| [stdout] COMMAND: /opt/ltp/bin/ltp-pan -q -e -S -a 53434 -n 53434 -f /tmp/ltp-I1XwocwvHu/alltests -l /dev/null -C /dev/null -T /dev/null
  16637  22:21:35 DEBUG| [stdout] LOG File: /dev/null
  16638  22:21:35 DEBUG| [stdout] FAILED COMMAND File: /dev/null
  16639  22:21:35 DEBUG| [stdout] TCONF COMMAND File: /dev/null
  16640  22:21:35 DEBUG| [stdout] Running tests.......
  16641  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: Running: cgroup_regression_test.sh
  16642  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: Tested kernel: Linux kt-p-l-gen-6-14-u-ltp-controllers-amd64 6.14.0-17-generic #17-Ubuntu SMP PREEMPT_DYNAMIC Thu May 1 11:39:26 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
  16643  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: Using /tmp/ltp-I1XwocwvHu/LTP_cgroup_regression_test.dfecmJ3UYn as tmpdir (tmpfs filesystem)
  16644  22:21:35 DEBUG| [stdout] cgroup_regression_test 1 TINFO: timeout per run is 0h 5m 0s
  16645  22:21:36 DEBUG| [stdout] cgroup_regression_test 1 TPASS: no kernel bug was found
  16646  22:21:36 DEBUG| [stdout] cgroup_regression_test 2 TPASS: notify_on_release is inherited
  16647  22:21:36 DEBUG| [stdout] cgroup_regression_test 3 TCONF: CONFIG_SCHED_DEBUG is not enabled
  16648  22:21:36 DEBUG| [stdout] cgroup_regression_test 4 TCONF: CONFIG_LOCKDEP is not enabled
  16649  22:22:06 DEBUG| [stdout] cgroup_regression_test 5 TINFO: The '/tmp/ltp-I1XwocwvHu/LTP_cgroup_regression_test.dfecmJ3UYn/cgroup' is not mounted, skipping umount
  16650  22:22:06 DEBUG| [stdout] cgroup_regression_test 5 TPASS: no kernel bug was found
  16651  22:22:36 DEBUG| [stdout] cgroup_regression_test 6 TPASS: no kernel bug was found
  16652  22:22:37 DEBUG| [stdout] Segmentation fault (core dumped)
  16653  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TBROK: 'tst_cgctl require' exited
  16654  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TINFO: AppArmor enabled, this may affect test results
  16655  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
  16656  22:22:37 DEBUG| [stdout] cgroup_regression_test 7 TINFO: loaded AppArmor profiles: none
  16657  22:22:37 DEBUG| [stdout]
  16658  22:22:37 DEBUG| [stdout] Summary:
  16659  22:22:37 DEBUG| [stdout] passed 4
  16660  22:22:37 DEBUG| [stdout] failed 0
  16661  22:22:37 DEBUG| [stdout] broken 1
  16662  22:22:37 DEBUG| [stdout] skipped 2
  16663  22:22:37 DEBUG| [stdout] warnings 0
  16664  22:22:37 DEBUG| [stdout] INFO: ltp-pan reported some tests FAIL
  16665  22:22:37 DEBUG| [stdout] LTP Version: 20240930
  16666  22:22:37 DEBUG| [stdout] INFO: Test end time: Thu May 1 22:22:37 UTC 2025
  16667  22:22:37 ERROR| [stderr] -------------------------------------------
  16668  22:22:37 ERROR| [stderr] INFO: runltp script is deprecated, try kirk
  16669  22:22:37 ERROR| [stderr] https://github.com/linux-test-project/kirk
  16670  22:22:37 ERROR| [stderr] -------------------------------------------

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