[Bug 2107402] Re: lsblk blocked by apparmor in 25.04

[Ryan Lee]

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

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Title:
  lsblk blocked by apparmor in 25.04

Status in Ubuntu on IBM z Systems:
  New
Status in apparmor package in Ubuntu:
  New
Status in util-linux package in Ubuntu:
  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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