From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Fri, 9 Sep 2016 10:42:50 +0000 (+0200)
Subject: netfilter: nf_tables_ipv6: setup pktinfo transport field on failure to parse
X-Git-Tag: v4.9-rc1~127^2~67^2~38
X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=8df9e32e7ed2978f90cce780ce6a27513044158a;p=cascardo%2Flinux.git

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>
---

diff --git a/include/net/netfilter/nf_tables_ipv6.h b/include/net/netfilter/nf_tables_ipv6.h
index 6aeee47b1b5e..1e0ffd5aea47 100644
--- a/include/net/netfilter/nf_tables_ipv6.h
+++ b/include/net/netfilter/nf_tables_ipv6.h
@@ -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;