[Bug 2092061] Re: openvpn-dco-dkms FTBS in Noble with linux-6.11-hwe kernel

[Timo Aaltonen]

Hello Massimiliano, or anyone else affected,

Accepted openvpn-dco-dkms into noble-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/openvpn-
dco-dkms/0.0+git20231103-1ubuntu1 in a few hours, and then in the
-proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
noble to verification-done-noble. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-noble. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: openvpn-dco-dkms (Ubuntu Noble)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-noble

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https://bugs.launchpad.net/bugs/2092061

Title:
  openvpn-dco-dkms FTBS in Noble with linux-6.11-hwe kernel

Status in openvpn-dco-dkms package in Ubuntu:
  Invalid
Status in openvpn-dco-dkms source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  openvpn-dco-dkms does not compile from source in Noble with kernel
  6.11:

  In file included from /var/lib/dkms/ovpn-dco/0.0+git20231103/build/drivers/net/ovpn-dco/crypto.h:16,
                   from /var/lib/dkms/ovpn-dco/0.0+git20231103/build/drivers/net/ovpn-dco/addr.h:13,
                   from /var/lib/dkms/ovpn-dco/0.0+git20231103/build/drivers/net/ovpn-dco/peer.h:13,
                   from /var/lib/dkms/ovpn-dco/0.0+git20231103/build/drivers/net/ovpn-dco/ovpn.h:14,
                   from /var/lib/dkms/ovpn-dco/0.0+git20231103/build/drivers/net/ovpn-dco/main.c:12:
  /var/lib/dkms/ovpn-dco/0.0+git20231103/build/include/uapi/linux/ovpn_dco.h:14:22: error: expected declaration specifiers or ‘...’ before string constant
     14 | #define OVPN_NL_NAME "ovpn-dco-v2"
        |                      ^~~~~~~~~~~~~
  /var/lib/dkms/ovpn-dco/0.0+git20231103/build/drivers/net/ovpn-dco/main.c:263:26: note: in expansion of macro ‘OVPN_NL_NAME’
    263 | MODULE_ALIAS_GENL_FAMILY(OVPN_NL_NAME);
        |                          ^~~~~~~~~~~~

  [ Test case ]

  Install the latest linux-6.11 kernel on Noble:

  $ sudo add-apt-repository ppa:canonical-kernel-team/ppa
  $ sudo apt update
  $ sudo apt install linux-image-6.11.0-12-generic \
                     linux-modules-6.11.0-12-generic \
                     linux-modules-extra-6.11.0-12-generic \
                     linux-headers-6.11.0-12-generic

  Install openvpn-dco-dkms:

  $ sudo apt install openvpn-dco-dkms

  Load the module:

  $ sudo modprobe ovpn-dco-v2

  The same procedure should be repeated on linux-6.8 to test for
  possible regressions.

  [ Fix ]

  Patch the code to properly support the new linux 6.11 ABI.

  [ Regression potential ]

  A regression is unlikely due to the very limited scope of the patch

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