diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 732d8f088b13..97abf934d185 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -804,10 +804,13 @@ static void nl_fib_input(struct sk_buff *skb) nlh = nlmsg_hdr(skb); if (skb->len < NLMSG_SPACE(0) || skb->len < nlh->nlmsg_len || - nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn))) { - kfree_skb(skb); + nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn))) return; - } + + skb = skb_clone(skb, GFP_KERNEL); + if (skb == NULL) + return; + nlh = nlmsg_hdr(skb); frn = (struct fib_result_nl *) NLMSG_DATA(nlh); tb = fib_get_table(frn->tb_id_in);