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

To: ubuntustudio-bugs@xxxxxxxxxxxxxxxxxxx
From: Rik Mills <2046844@xxxxxxxxxxxxxxxxxx>
Date: Thu, 28 Dec 2023 15:16:15 -0000
Reply-to: Bug 2046844 <2046844@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

Erich: Actually the web browser widget or picture frame are from the
kdeplasma-addons source. So not a core part of the Plasma desktop. We
just seed those addons packages by default as they are good to have for
users. However, you are correct that when installed and a user tries to
add them to the desktop, the resulting crash does bring down the whole
desktop.

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

Status in apparmor package in Ubuntu:
  Confirmed
Status in devhelp package in Ubuntu:
  New
Status in digikam package in Ubuntu:
  Confirmed
Status in epiphany-browser package in Ubuntu:
  Confirmed
Status in evolution package in Ubuntu:
  Confirmed
Status in falkon package in Ubuntu:
  Confirmed
Status in freecad package in Ubuntu:
  Confirmed
Status in gnome-packagekit package in Ubuntu:
  Confirmed
Status in kontact package in Ubuntu:
  Confirmed
Status in plasma-desktop package in Ubuntu:
  Confirmed
Status in qutebrowser package in Ubuntu:
  Confirmed

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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