[Bug 2106311] Re: File picker does not work in browsers in Ubuntu 25.04 beta for SSSD users

[Alessandro Astone]

Thank you for providing the journal logs.
I was able to find the issue and have proposed a solution.

In the meantime you can fix the issue on your machine by running:

  echo "include <abstractions/nameservice>" | sudo tee
/etc/apparmor.d/local/fusermount3

Then reboot the system and try again to reproduce the issue.

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https://bugs.launchpad.net/bugs/2106311

Title:
  File picker does not work in browsers in Ubuntu 25.04 beta for SSSD
  users

Status in apparmor package in Ubuntu:
  In Progress

Bug description:
  In Ubuntu 25.04 Beta, the file picker in any browser does not work as
  intended when uploading or downloading a file. I have tested this on
  Firefox and Chromium, and I am unable to upload or download a file
  using the file picker.

  I can download files in either browser if I turn off the option to ask
  my download location, however, if I do enable it I am unable to save
  the file.

  The file picker however works okay in other applications such as Text
  Editor.

  Please look into this bug and take the necessary action ASAP, as it
  greatly impacts my workflow and potentially those of others as well,
  as I am unable to upload or download any files through a web browser.

  (P.S. I am submitting this report for the Nautilus package instead of
  the Chromium or Firefox package as it affects both and I am not
  exactly sure where to put it - do please move it to the appropriate
  package.)

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: nautilus 1:48.0-1ubuntu1
  ProcVersionSignature: Ubuntu 6.14.0-13.13-generic 6.14.0
  Uname: Linux 6.14.0-13-generic x86_64
  ApportVersion: 2.32.0-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Apr  6 00:48:38 2025
  SourcePackage: nautilus
  UpgradeStatus: Upgraded to plucky on 2025-04-02 (3 days ago)
  usr_lib_nautilus:
   file-roller                       44.5-1
   nautilus-extension-gnome-terminal 3.56.0-1ubuntu1
   papers                            48.0-1ubuntu1

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