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Diffstat (limited to 'net/openvswitch/flow_netlink.c')
-rw-r--r--net/openvswitch/flow_netlink.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index a60e3b7684bc..d47b5c5c640e 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -816,6 +816,12 @@ static int metadata_from_nlattrs(struct net *net, struct sw_flow_match *match,
ovs_ct_verify(net, OVS_KEY_ATTR_CT_STATE)) {
u8 ct_state = nla_get_u8(a[OVS_KEY_ATTR_CT_STATE]);
+ if (!is_mask && !ovs_ct_state_supported(ct_state)) {
+ OVS_NLERR(log, "ct_state flags %02x unsupported",
+ ct_state);
+ return -EINVAL;
+ }
+
SW_FLOW_KEY_PUT(match, ct.state, ct_state, is_mask);
*attrs &= ~(1ULL << OVS_KEY_ATTR_CT_STATE);
}