diff options
| -rw-r--r-- | net/ipv6/route.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 210b84cecc24..e2c6c0b0684b 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -6029,7 +6029,8 @@ static int inet6_rtm_valid_getroute_req(struct sk_buff *skb, struct rtmsg *rtm; int i, err; - if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*rtm))) { + rtm = nlmsg_payload(nlh, sizeof(*rtm)); + if (!rtm) { NL_SET_ERR_MSG_MOD(extack, "Invalid header for get route request"); return -EINVAL; @@ -6039,7 +6040,6 @@ static int inet6_rtm_valid_getroute_req(struct sk_buff *skb, return nlmsg_parse_deprecated(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy, extack); - rtm = nlmsg_data(nlh); if ((rtm->rtm_src_len && rtm->rtm_src_len != 128) || (rtm->rtm_dst_len && rtm->rtm_dst_len != 128) || rtm->rtm_table || rtm->rtm_protocol || rtm->rtm_scope || |