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[Bug 2046844] Re: AppArmor user namespace creation restrictions cause many applications to crash with SIGTRAP

 

An updated aa-notify that can prompt the user to create a profile is
available in oracular, and for noble via
https://launchpad.net/~apparmor-dev/+archive/ubuntu/apparmor-backports.
The plan is to get more testing on it and then SRU to noble.

it can be install via
  sudo apt install apparmor-notify

basic instructions are available via
  man aa-notify

it will install a default configuration in "/etc/apparmor/notify.conf".
The default configuration can be modified on a per user basis by copying
it to "$XDG_CONFIG_HOME/apparmor/notify.conf" which is generally
"$HOME/.config/apparmor/notify.conf" or to
"$HOME/.apparmor/notify.conf". A custom configuration is not needed
unless you want to use filtering to make it less noisy.

Currently regular notifications will happen for all apparmor events, but they can be filtered using the config file.
  

the notifier can be started via the shell with
  aa-notify -p -s1 --prompt-filter=userns

or by adding it to startup applications

There is a bug with the user namespace notification where it currently
requires "--prompt-filter=userns" as part of the command arguments
instead of being set in the config file.

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https://bugs.launchpad.net/bugs/2046844

Title:
  AppArmor user namespace creation restrictions cause many applications
  to crash with SIGTRAP

Status in AppArmor:
  New
Status in Wike:
  New
Status in akonadiconsole package in Ubuntu:
  Fix Released
Status in akregator package in Ubuntu:
  Fix Released
Status in angelfish package in Ubuntu:
  Fix Released
Status in apparmor package in Ubuntu:
  Fix Released
Status in bubblewrap package in Ubuntu:
  Fix Committed
Status in cantor package in Ubuntu:
  Fix Released
Status in devhelp package in Ubuntu:
  Fix Released
Status in digikam package in Ubuntu:
  Fix Released
Status in epiphany-browser package in Ubuntu:
  Fix Released
Status in evolution package in Ubuntu:
  Fix Released
Status in falkon package in Ubuntu:
  Fix Released
Status in firefox package in Ubuntu:
  Confirmed
Status in foliate package in Ubuntu:
  Fix Committed
Status in freecad package in Ubuntu:
  Invalid
Status in geary package in Ubuntu:
  Fix Released
Status in ghostwriter package in Ubuntu:
  Fix Released
Status in gnome-packagekit package in Ubuntu:
  Invalid
Status in goldendict-webengine package in Ubuntu:
  Fix Released
Status in guix package in Ubuntu:
  Confirmed
Status in kalgebra package in Ubuntu:
  Fix Released
Status in kchmviewer package in Ubuntu:
  Fix Released
Status in kdeplasma-addons package in Ubuntu:
  Fix Released
Status in kgeotag package in Ubuntu:
  Fix Released
Status in kiwix package in Ubuntu:
  Incomplete
Status in kmail package in Ubuntu:
  Fix Released
Status in konqueror package in Ubuntu:
  Fix Released
Status in kontact package in Ubuntu:
  Fix Released
Status in loupe package in Ubuntu:
  Fix Released
Status in marble package in Ubuntu:
  Fix Released
Status in notepadqq package in Ubuntu:
  Fix Released
Status in opam package in Ubuntu:
  Fix Released
Status in pageedit package in Ubuntu:
  Fix Released
Status in plasma-desktop package in Ubuntu:
  Fix Released
Status in plasma-welcome package in Ubuntu:
  Fix Released
Status in privacybrowser package in Ubuntu:
  Invalid
Status in qmapshack package in Ubuntu:
  Fix Released
Status in qutebrowser package in Ubuntu:
  Fix Released
Status in rssguard package in Ubuntu:
  Fix Released
Status in steam package in Ubuntu:
  Fix Released
Status in supercollider package in Ubuntu:
  Fix Released
Status in tellico package in Ubuntu:
  Fix Released
Status in tor package in Ubuntu:
  Confirmed
Status in wike package in Ubuntu:
  Fix Committed
Status in apparmor source package in Noble:
  Fix Committed

Bug description:
  Hi, I run Ubuntu development branch 24.04 and I have a problem with
  Epiphany browser 45.1-1 (Gnome Web): program doesn't launch, and I get
  this error

  $ epiphany
  bwrap: Creating new namespace failed: Permission denied

  ** (epiphany:12085): ERROR **: 14:44:35.023: Failed to fully launch dbus-proxy: Le processus fils s’est terminé avec le code 1
  Trappe pour point d'arrêt et de trace (core dumped)

  $ epiphany
  bwrap: Creating new namespace failed: Permission denied

  ** (epiphany:30878): ERROR **: 22:22:26.926: Failed to fully launch dbus-proxy: Le processus fils s’est terminé avec le code 1
  Trappe pour point d'arrêt et de trace (core dumped)

  Thanks for your help!

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