From 13c6ba1f855415cf3b9c58ea926ae8858050ec1c Mon Sep 17 00:00:00 2001 From: Jozsef Kadlecsik Date: Mon, 10 Jun 2019 12:50:00 +0200 Subject: [PATCH] netfilter: ipset: Fix the last missing check of nla_parse_deprecated() In dump_init() the outdated comment was incorrect and we had a missing validation check of nla_parse_deprecated(). Signed-off-by: Jozsef Kadlecsik --- net/netfilter/ipset/ip_set_core.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index d0f4c627ff91..039892cd2b7d 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -1293,11 +1293,13 @@ dump_init(struct netlink_callback *cb, struct ip_set_net *inst) struct nlattr *attr = (void *)nlh + min_len; u32 dump_type; ip_set_id_t index; + int ret; - /* Second pass, so parser can't fail */ - nla_parse_deprecated(cda, IPSET_ATTR_CMD_MAX, attr, - nlh->nlmsg_len - min_len, ip_set_setname_policy, - NULL); + ret = nla_parse_deprecated(cda, IPSET_ATTR_CMD_MAX, attr, + nlh->nlmsg_len - min_len, + ip_set_setname_policy, NULL); + if (ret) + return ret; cb->args[IPSET_CB_PROTO] = nla_get_u8(cda[IPSET_ATTR_PROTOCOL]); if (cda[IPSET_ATTR_SETNAME]) { -- 2.30.2