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[Ryan Lee <2107402@xxxxxxxxxxxxxxxxxx>]

** Changed in: util-linux (Ubuntu Plucky)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/2107402

Title:
  lsblk on IBM z Systems blocked by apparmor in 25.04

Status in Release Notes for Ubuntu:
  Fix Released
Status in Ubuntu on IBM z Systems:
  Confirmed
Status in apparmor package in Ubuntu:
  Fix Released
Status in util-linux package in Ubuntu:
  Invalid
Status in apparmor source package in Plucky:
  In Progress
Status in util-linux source package in Plucky:
  Invalid
Status in apparmor source package in Questing:
  Fix Released
Status in util-linux source package in Questing:
  Invalid

Bug description:
  Fresh install of 25.04 on s390x. Same happens also on upgrade from
  24.10 to 25.04

  lsblk returns no output

  journactl shows it is blocked by apparmor

  This works fine for SCSI devices, it fails only for DASD.

  ```
  2025-04-15T15:02:26.048055+00:00 s5lp1-gen03 kernel: kauditd_printk_skb: 6 callbacks suppressed
  2025-04-15T15:02:26.048075+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:270): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0000/0.0.0101/block/dasda/hidden" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  2025-04-15T15:02:26.048077+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:271): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0000/0.0.0101/block/dasda/dev" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  2025-04-15T15:02:26.048078+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:272): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0003/0.0.0104/block/dasdd/hidden" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  2025-04-15T15:02:26.048079+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:273): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0003/0.0.0104/block/dasdd/dev" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  2025-04-15T15:02:26.048080+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:274): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0001/0.0.0102/block/dasdb/hidden" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  2025-04-15T15:02:26.048080+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:275): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0001/0.0.0102/block/dasdb/dev" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  2025-04-15T15:02:26.048081+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:276): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0002/0.0.0103/block/dasdc/hidden" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  2025-04-15T15:02:26.048081+00:00 s5lp1-gen03 kernel: audit: type=1400 audit(1744729346.034:277): apparmor="DENIED" operation="open" class="file" profile="lsblk" name="/sys/devices/css0/0.0.0002/0.0.0103/block/dasdc/dev" pid=2070 comm="lsblk" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  ```

  
  Attaching also strace

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