From: Pablo Neira Ayuso pablo@netfilter.org
[ 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 --- net/netfilter/nf_tables_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index fc8256b00b320..6023c9f72cdca 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5487,7 +5487,7 @@ 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);