On Fri, Jan 08, 2021 at 12:44:33PM +0100, Jesper Dangaard Brouer wrote:
> The old way of changing the conntrack hashsize runtime was through changing
> the module param via file /sys/module/nf_conntrack/parameters/hashsize. This
> was extended to sysctl change in commit 3183ab8997a4 ("netfilter: conntrack:
> allow increasing bucket size via sysctl too").
>
> The commit introduced second "user" variable nf_conntrack_htable_size_user
> which shadow actual variable nf_conntrack_htable_size. When hashsize is
> changed via module param this "user" variable isn't updated. This results in
> sysctl net/netfilter/nf_conntrack_buckets shows the wrong value when users
> update via the old way.
>
> This patch fix the issue by always updating "user" variable when reading the
> proc file. This will take care of changes to the actual variable without
> sysctl need to be aware.
Applied, thanks.
