netdev - [PATCH 16/53] netfilter: nf_tables_ipv6: setup pktinfo transport field on failure to parse

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Date:   Mon, 26 Sep 2016 01:06:26 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 16/53] 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@...filter.org>
---
 include/net/netfilter/nf_tables_ipv6.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

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;
-- 
2.1.4