Public bug reported:
On an up to date Jammy machine, printing fails and there is the
following apparmor denied message in the journal:
apparmor="DENIED" operation="connect" profile="/usr/sbin/cupsd"
name="/run/systemd/userdb/io.systemd.Machine" pid=892182 comm="cupsd"
requested_mask="w" denied_mask="w" fsuid=0 ouid=0
Printing works after running aa-complain cupsd.
The printer is a driverless HP Envy 5020
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: apparmor 3.0.4-2ubuntu1
ProcVersionSignature: Ubuntu 5.15.0-18.18-generic 5.15.12
Uname: Linux 5.15.0-18-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu78
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 9 10:25:10 2022
InstallationDate: Installed on 2020-05-31 (647 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200527)
ProcKernelCmdline: BOOT_IMAGE=/BOOT/ubuntu_nt06gx@/vmlinuz-5.15.0-18-generic
root=ZFS=rpool/ROOT/ubuntu_nt06gx ro snd-intel-dspcfg.dsp_driver=1
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: apparmor
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: apparmor (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy rls-jj-incoming
** Tags added: rls-jj-incoming
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https://bugs.launchpad.net/bugs/1964325
Title:
Fails to print due to apparmor denied connect operation for cupsd -
/run/systemd/userdb/io.systemd.Machine
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