5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pablo Neira Ayuso pablo@netfilter.org
commit b53c116642502b0c85ecef78bff4f826a7dd4145 upstream.
Report the element that causes problems via netlink extended ACK for set element commands.
Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/netfilter/nf_tables_api.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-)
--- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4670,8 +4670,10 @@ static int nf_tables_getsetelem(struct n
nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_get_set_elem(&ctx, set, attr); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); break; + } }
return err; @@ -5063,8 +5065,10 @@ static int nf_tables_newsetelem(struct n
nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_add_set_elem(&ctx, set, attr, nlh->nlmsg_flags); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); return err; + } }
if (nft_net->validate_state == NFT_VALIDATE_DO) @@ -5264,9 +5268,10 @@ static int nf_tables_delsetelem(struct n
nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_del_setelem(&ctx, set, attr); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); break; - + } set->ndeact++; } return err;