diff options
| -rw-r--r-- | lib/attr.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -800,6 +800,9 @@ struct nlattr *nla_reserve(struct nl_msg *msg, int attrtype, int attrlen) struct nlattr *nla; int tlen; + if (attrlen < 0) + return NULL; + tlen = NLMSG_ALIGN(msg->nm_nlh->nlmsg_len) + nla_total_size(attrlen); if ((tlen + msg->nm_nlh->nlmsg_len) > msg->nm_size) @@ -838,6 +841,9 @@ int nla_put(struct nl_msg *msg, int attrtype, int datalen, const void *data) { struct nlattr *nla; + if (datalen < 0) + return -NLE_RANGE; + nla = nla_reserve(msg, attrtype, datalen); if (!nla) return -NLE_NOMEM; |