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[Launchpad Bug Tracker <2046844@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package apparmor - 4.0.1-0ubuntu0.24.04.2

---------------
apparmor (4.0.1-0ubuntu0.24.04.2) noble; urgency=medium

  [Georgia Garcia]
  * New upstream release. (LP: #2064672)
  * Refresh
    - d/p/u/parser-add-support-for-prompting.patch
      - Add condition in policydb serialization to only encode xtable if
      kernel_supports_permstable32
  * Add patch to add balena-etcher profile (LP: #2046844)
    - d/p/u/profiles-add-unconfined-balena-etcher-profile.patch
  * Fix d/p/u/userns-runtime-disable.patch to work when
    kernel.apparmor_restrict_unprivileged_userns does not exist by adding
    -e to sysctl.
  * d/apparmor.install
    - install new profiles
      - wike - changed installation from apparmor to apparmor.d
      - foliate
      - balena-etcher
      - transmission

  [Alex Murray]
  * Add upstream patch to relax mount rules to fix use of virtiofs and
    other file-system types
    - d/p/u/mountrule-relaxing-constraints-on-fstype.patch
  * Remove patches which got dropped from quilt series earlier
    - d/p/u/parser-support-uin128_t-key-as-a-pair-of-uint64_t-nu.patch
    - d/p/u/Minor-improvements-for-MountRule.patch
  * d/control: Remove obsolete lsb-base Depends and swap pkg-config to
    pkgconf for Build-Depends

apparmor (4.0.0-beta4-0ubuntu1) noble; urgency=medium

  * New upstream release.
    (LP: #2046844, LP: #2060100, LP: #2056297)
  * Refresh
    - d/p/u/samba-systemd-interaction.patch
  * Drop patches which have now been applied updatea
    - d/p/u/parser-fix-issues-appointed-by-coverity.patch
    - d/p/u/profiles-add-unconfined-profile-for-tuxedo-control-c.patch
  * Add patch to enable bwrap profile
    - d/p/u/enable-bwrap-profile.patch
      (LP: #2046844, LP: #2065708)
  * d/apparmor.install
    - install new profile
      - bwrap-userns-restrict
  * d/apparmor-profiles.install
    - install new profile
      - unshare-userns-restrict

 -- Georgia Garcia <georgia.garcia@xxxxxxxxxxxxx>  Tue, 30 Apr 2024
14:12:01 -0300

** Changed in: apparmor (Ubuntu Noble)
       Status: Fix Committed => Fix Released

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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 Released

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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