> Many thanks for raising this way before Plasma 6 is released to
Ubuntu, this way we can assure this bug is gone by the time Plasma 6
becomes officially supported in Ubuntu.

This was my intend. :)

I'm using KDE neon, which is an extension of Ubuntu 22.04 providing the
most recent KDE applications.

* https://neon.kde.org/

Obviously, this comes with some breakage from time to time which I
normally report against neon itself, but this time it looked more
sensible to report it here against the Chromium snap.

A fix will already help all KDE neon users which use Chromium and use
KDE wallet to store Chromium Password wallet's master password.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to chromium-browser in Ubuntu.
https://bugs.launchpad.net/bugs/2058840

Title:
  Chromium Snap & KDE Plasma 6: AppArmor Profile Update Needed

Status in chromium-browser package in Ubuntu:
  New

Bug description:
  Ubuntu 22.04 LTS Jammy x64


  I hope this is the correct package to assign this request to:

  In KDE Plasma 6, the Chromium snap cannot longer access KDE Wallet to
  decrypt its password store.

  This makes all stored passwords unavailable as soon as the system is
  upgraded from Plasma 5 to Plasma 6.

  Chromium writes the following error messages to the console:

  -----------------------------------------------------------------------------
  [5362:5362:0324/103716.837413:ERROR:object_proxy.cc(576)] Failed to call 
method: org.kde.KWallet.isEnabled: object_path= /modules/kwalletd6: 
org.freedesktop.DBus.Error.AccessDenied: An AppArmor policy prevents this 
sender from sending this message to this recipient; type="method_call", 
sender=":1.113" (uid=1000 pid=5362 
comm="/snap/chromium/2786/usr/lib/chromium-browser/chrom" 
label="snap.chromium.chromium (enforce)") interface="org.kde.KWallet" 
member="isEnabled" error name="(unset)" requested_reply="0" 
destination="org.kde.kwalletd6" (uid=1000 pid=2523 comm="/usr/bin/kwalletd6 
--pam-login 13 14 " label="unconfined")
  [5362:5362:0324/103716.837451:ERROR:kwallet_dbus.cc(112)] Error contacting 
kwalletd6 (isEnabled)
  [5362:5362:0324/103716.838022:ERROR:object_proxy.cc(576)] Failed to call 
method: org.kde.KLauncher.start_service_by_desktop_name: object_path= 
/KLauncher: org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.kde.klauncher was not provided by any .service files
  [5362:5362:0324/103716.838042:ERROR:kwallet_dbus.cc(81)] Error contacting 
klauncher to start kwalletd6
  [5362:5362:0324/103716.838264:ERROR:object_proxy.cc(576)] Failed to call 
method: org.kde.KWallet.close: object_path= /modules/kwalletd6: 
org.freedesktop.DBus.Error.AccessDenied: An AppArmor policy prevents this 
sender from sending this message to this recipient; type="method_call", 
sender=":1.113" (uid=1000 pid=5362 
comm="/snap/chromium/2786/usr/lib/chromium-browser/chrom" 
label="snap.chromium.chromium (enforce)") interface="org.kde.KWallet" 
member="close" error name="(unset)" requested_reply="0" 
destination="org.kde.kwalletd6" (uid=1000 pid=2523 comm="/usr/bin/kwalletd6 
--pam-login 13 14 " label="unconfined")
  [5362:5362:0324/103716.838295:ERROR:kwallet_dbus.cc(503)] Error contacting 
kwalletd6 (close)
  -----------------------------------------------------------------------------

  Followed by hundreds of messages as the following:

  -----------------------------------------------------------------------------
  ERROR:login_database.cc(1046) Password decryption failed, encryption_result 
is 2
  -----------------------------------------------------------------------------

  It appears to work to "just" whitelist the new kwalletd module name in

  /var/lib/snapd/apparmor/profiles/snap.chromium.chromium (and maybe
  /var/lib/snapd/apparmor/profiles/snap.chromium.chromedriver ?)

  followed by

  $ systemctl restart apparmor
  $ systemctl restart snapd.apparmor
  $ systemctl restart apparmor

  (Not sure if both of these are necessary, and if so, in what order.)

  and completely restart Chromium.

  The new KWallet section looks as follows - I only added the ",6" to
  the patterns:

  -----------------------------------------------------------------------------

  # KWallet's client API is still in use in KDE/Plasma. It's DBus API relies 
upon
  # member data for access to its 'folders' and 'entries' and it therefore does
  # not allow for application isolation via AppArmor. For details, see:
  # - https://cgit.kde.org/kdelibs.git/tree/kdeui/util/kwallet.h?h=v4.14.33
  #
  dbus (receive, send)
      bus=session
      path=/modules/kwalletd{,5,6}
      interface=org.freedesktop.DBus.*
      peer=(label=unconfined),

  dbus (receive, send)
      bus=session
      path=/modules/kwalletd{,5,6}
      interface=org.kde.KWallet
      peer=(label=unconfined),

  -----------------------------------------------------------------------------

  I hope that at least this report may be found by other people running
  into the same trouble I just did...

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