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SubjectRe: [PATCH v2 net 2/2] net: openvswitch: allow conntrack in non-initial user namespace
On Wed, 21 Sep 2022 03:19:46 +0200 Michael Weiß wrote:
> Similar to the previous commit, the Netlink interface of the OVS
> conntrack module was restricted to global CAP_NET_ADMIN by using
> GENL_ADMIN_PERM. This is changed to GENL_UNS_ADMIN_PERM to support
> unprivileged containers in non-initial user namespace.

Should we bump

ct_limit = kmalloc(sizeof(*ct_limit), GFP_KERNEL);

to also being accounted?

Otherwise LGTM, please repost with [PATCH net-next v3] in the subject.
net is for fixes only, and we're quite late in the -rc process.

Please try to CC the original authors as well, for Joe the address
will be Joe Stringer <joe@cilium.io>.

> diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
> index 4e70df91d0f2..9142ba322991 100644
> --- a/net/openvswitch/conntrack.c
> +++ b/net/openvswitch/conntrack.c
> @@ -2252,14 +2252,16 @@ static int ovs_ct_limit_cmd_get(struct sk_buff *skb, struct genl_info *info)
> static const struct genl_small_ops ct_limit_genl_ops[] = {
> { .cmd = OVS_CT_LIMIT_CMD_SET,
> .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> - .flags = GENL_ADMIN_PERM, /* Requires CAP_NET_ADMIN
> - * privilege. */
> + .flags = GENL_UNS_ADMIN_PERM, /* Requires CAP_NET_ADMIN
> + * privilege.
> + */
> .doit = ovs_ct_limit_cmd_set,
> },
> { .cmd = OVS_CT_LIMIT_CMD_DEL,
> .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
> - .flags = GENL_ADMIN_PERM, /* Requires CAP_NET_ADMIN
> - * privilege. */
> + .flags = GENL_UNS_ADMIN_PERM, /* Requires CAP_NET_ADMIN
> + * privilege.
> + */
> .doit = ovs_ct_limit_cmd_del,
> },
> { .cmd = OVS_CT_LIMIT_CMD_GET,

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