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From: Florian Westphal <fw@strlen.de>
To: <netfilter-devel@vger.kernel.org>
Cc: Florian Westphal <fw@strlen.de>
Subject: [PATCH nf] netfilter: nft_tunnel: ERSPAN_VERSION must not be null
Date: Thu, 16 Jan 2020 08:58:05 +0100	[thread overview]
Message-ID: <20200116075805.28377-1-fw@strlen.de> (raw)

Fixes: af308b94a2a4a5 ("netfilter: nf_tables: add tunnel support")
Signed-off-by: Florian Westphal <fw@strlen.de>
---

diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index d89c7c553030..5284fcf16be7 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -266,6 +266,9 @@ static int nft_tunnel_obj_erspan_init(const struct nlattr *attr,
 	if (err < 0)
 		return err;
 
+	if (!tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION])
+		 return -EINVAL;
+
 	version = ntohl(nla_get_be32(tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION]));
 	switch (version) {
 	case ERSPAN_VERSION:
-- 
2.24.1


             reply	other threads:[~2020-01-16  7:58 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-16  7:58 Florian Westphal [this message]
2020-01-16 14:00 ` [PATCH nf] netfilter: nft_tunnel: ERSPAN_VERSION must not be null Pablo Neira Ayuso

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