[Bug 2091439] Re: Error loading iptables-netflow-dkms in Oracular

[Timo Aaltonen]

Hello Massimiliano, or anyone else affected,

Accepted iptables-netflow into oracular-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/iptables-
netflow/2.6-7ubuntu1.1 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-
oracular to verification-done-oracular. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-oracular. 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: iptables-netflow (Ubuntu Oracular)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-oracular

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https://bugs.launchpad.net/bugs/2091439

Title:
  Error loading  iptables-netflow-dkms in Oracular

Status in iptables-netflow package in Ubuntu:
  Fix Released
Status in iptables-netflow source package in Oracular:
  Fix Committed

Bug description:
  [ Impact ]

  The driver iptables-netflow-dkms fails to load on Oracular, showing
  the following error:

  [  137.406830] ipt_NETFLOW version 2.6, srcversion 70A7B82AFE6B707B499C544
  [  137.406832] ipt_NETFLOW: hashsize 655360 (5120K)
  [  137.407495] netflow: registering: /proc/net/stat/ipt_netflow
  [  137.407498] netflow: registered: /proc/net/stat/ipt_netflow
  [  137.407499] netflow: registering: /proc/net/stat/ipt_netflow_snmp
  [  137.407500] netflow: registered: /proc/net/stat/ipt_netflow_snmp
  [  137.407500] netflow: registering: /proc/net/stat/ipt_netflow_flows
  [  137.407501] netflow: registered: /proc/net/stat/ipt_netflow_flows
  [  137.407503] sysctl table check failed: net/netflow/(null) procname is null
  [  137.407506] sysctl table check failed: net/netflow/(null) No proc_handler
  [  137.407507] netflow: can't register to sysctl
  [  137.407553] ipt_NETFLOW is not loaded.
  [  137.443800] ipt_NETFLOW version 2.6, srcversion 70A7B82AFE6B707B499C544
  [  137.443805] ipt_NETFLOW: hashsize 655360 (5120K)
  [  137.444752] netflow: registering: /proc/net/stat/ipt_netflow
  [  137.444755] netflow: registered: /proc/net/stat/ipt_netflow
  [  137.444756] netflow: registering: /proc/net/stat/ipt_netflow_snmp
  [  137.444758] netflow: registered: /proc/net/stat/ipt_netflow_snmp
  [  137.444758] netflow: registering: /proc/net/stat/ipt_netflow_flows
  [  137.444759] netflow: registered: /proc/net/stat/ipt_netflow_flows
  [  137.444784] sysctl table check failed: net/netflow/(null) procname is null
  [  137.444788] sysctl table check failed: net/netflow/(null) No proc_handler
  [  137.444790] netflow: can't register to sysctl
  [  137.444848] ipt_NETFLOW is not loaded.

  [ Test case ]

  Install iptables-netflow-dkms:

  $ sudo apt install iptables-netflow-dkms

  Load the module:

  $ sudo modprobe ipt_NETFLOW

  [ Fix ]

  Linux 6.11 does not allow to have empty elements
  at the end of the ctl_table arrays (sentinels) anymore.
  Therefore it is necessary to adjust the code accordingly.

  [ Regression potential ]

  We may experience networking-related regressions in systems that are
  using the iptables-netflow-dkms module.

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