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authorLiping Zhang <liping.zhang@spreadtrum.com>2016-09-22 22:28:52 +0800
committerPablo Neira Ayuso <pablo@netfilter.org>2016-09-25 14:54:04 +0200
commit7bfdde7045ad54d9fdccac70baffd094d9de73f8 (patch)
tree299515d8e6cfd77a65dba12479cf1337841c1a90 /net/netfilter
parentnetfilter: nft_ct: unnecessary to require dir when use ct l3proto/protocol (diff)
downloadlinux-dev-7bfdde7045ad54d9fdccac70baffd094d9de73f8.tar.xz
linux-dev-7bfdde7045ad54d9fdccac70baffd094d9de73f8.zip
netfilter: nft_ct: report error if mark and dir specified simultaneously
NFT_CT_MARK is unrelated to direction, so if NFTA_CT_DIRECTION attr is specified, report EINVAL to the userspace. This validation check was already done at nft_ct_get_init, but we missed it in nft_ct_set_init. Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nft_ct.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index 825fbbc62f48..d7b0d171172a 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -364,6 +364,8 @@ static int nft_ct_set_init(const struct nft_ctx *ctx,
switch (priv->key) {
#ifdef CONFIG_NF_CONNTRACK_MARK
case NFT_CT_MARK:
+ if (tb[NFTA_CT_DIRECTION])
+ return -EINVAL;
len = FIELD_SIZEOF(struct nf_conn, mark);
break;
#endif