Public bug reported:
[ 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.
** Affects: iptables-netflow (Ubuntu)
Importance: Undecided
Assignee: Massimiliano Pellizzer (mpellizzer)
Status: In Progress
** Affects: iptables-netflow (Ubuntu Oracular)
Importance: Undecided
Assignee: Massimiliano Pellizzer (mpellizzer)
Status: In Progress
** Also affects: iptables-netflow (Ubuntu Oracular)
Importance: Undecided
Status: New
** Changed in: iptables-netflow (Ubuntu Oracular)
Assignee: (unassigned) => Massimiliano Pellizzer (mpellizzer)
** Changed in: iptables-netflow (Ubuntu Oracular)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2091439
Title:
Error loading iptables-netflow-dkms in Oracular
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