netfilter: nf_tables: allow to fetch set elements when table has an owner

[ Upstream commit 92f3e96d642f5e05b9dc710c06fedc669f1b4f00 ]

NFT_MSG_GETSETELEM returns -EPERM when fetching set elements that belong
to table that has an owner. This results in empty set/map listing from
userspace.

Fixes: 6001a930ce03 ("netfilter: nftables: introduce table ownership")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index dca5352..1a9d759 100644 (file)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5439,7 +5439,7 @@ static int nf_tables_getsetelem(struct sk_buff *skb,
        int rem, err = 0;
 
        table = nft_table_lookup(net, nla[NFTA_SET_ELEM_LIST_TABLE], family,
-                                genmask, NETLINK_CB(skb).portid);
+                                genmask, 0);
        if (IS_ERR(table)) {
                NL_SET_BAD_ATTR(extack, nla[NFTA_SET_ELEM_LIST_TABLE]);
                return PTR_ERR(table);