[Bug 2122633] Re: os-prober is broken (mktemp: Permission denied) on Questing due to apparmor misconfiguration

Eugene San 2122633 at bugs.launchpad.net
Wed Jan 21 18:06:25 UTC 2026


** Description changed:

- os=prober fails to function Questing.
+ os-prober fails to function on Questing.
  
  It appears that apparmor blocks temp directory creation (mktemp from
  rust-coreutils) in context of os-prober.
  
  Just renaming os-prober script to anything else allows it to function.

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https://bugs.launchpad.net/bugs/2122633

Title:
  os-prober is broken (mktemp: Permission denied) on Questing due to
  apparmor misconfiguration

Status in apparmor package in Ubuntu:
  Fix Released
Status in os-prober package in Ubuntu:
  Invalid
Status in rust-coreutils package in Ubuntu:
  Invalid

Bug description:
  os-prober fails to function on Questing.

  It appears that apparmor blocks temp directory creation (mktemp from
  rust-coreutils) in context of os-prober.

  Just renaming os-prober script to anything else allows it to function.

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