netfilter: nf_tables_ipv6: setup pktinfo transport field on failure to parse

Make sure the pktinfo protocol fields are initialized if this fails to
parse the transport header.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2016-09-09 12:42:50 +02:00
parent beac5afa2d
commit 8df9e32e7e
1 changed files with 3 additions and 2 deletions

View File

@ -15,9 +15,10 @@ nft_set_pktinfo_ipv6(struct nft_pktinfo *pkt,
nft_set_pktinfo(pkt, skb, state);
protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
/* If malformed, drop it */
if (protohdr < 0)
if (protohdr < 0) {
nft_set_pktinfo_proto_unspec(pkt, skb);
return -1;
}
pkt->tprot_set = true;
pkt->tprot = protohdr;