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netfilter: cthelper: add missing attribute validation for cthelper
authorJakub Kicinski <kuba@kernel.org>
Tue, 3 Mar 2020 05:08:31 +0000 (21:08 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Mar 2020 06:14:24 +0000 (07:14 +0100)
commit c049b3450072b8e3998053490e025839fecfef31 upstream.

Add missing attribute validation for cthelper
to the netlink policy.

Fixes: 12f7a505331e ("netfilter: add user-space connection tracking helper infrastructure")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/netfilter/nfnetlink_cthelper.c

index e5d27b2..66154da 100644 (file)
@@ -744,6 +744,8 @@ static const struct nla_policy nfnl_cthelper_policy[NFCTH_MAX+1] = {
        [NFCTH_NAME] = { .type = NLA_NUL_STRING,
                         .len = NF_CT_HELPER_NAME_LEN-1 },
        [NFCTH_QUEUE_NUM] = { .type = NLA_U32, },
+       [NFCTH_PRIV_DATA_LEN] = { .type = NLA_U32, },
+       [NFCTH_STATUS] = { .type = NLA_U32, },
 };
 
 static const struct nfnl_callback nfnl_cthelper_cb[NFNL_MSG_CTHELPER_MAX] = {