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

Ryan Lee 2122633 at bugs.launchpad.net
Tue Sep 16 22:13:45 UTC 2025


** Changed in: apparmor (Ubuntu)
     Assignee: (unassigned) => Ryan Lee (rlee287)

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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:
  Confirmed
Status in os-prober package in Ubuntu:
  Confirmed
Status in rust-coreutils package in Ubuntu:
  Confirmed

Bug description:
  os=prober fails to function 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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