If there is no OVS_SAMPLE_ATTR_ACTIONS set then "acts_list" is NULL and it leads to a NULL dereference when we call nla_len(acts_list). This is a static checker fix, not something I have seen in testing. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- This applies to Linus's tree. diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 48badff..c2351d6 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -325,6 +325,9 @@ static int sample(struct datapath *dp, struct sk_buff *skb, } } + if (!acts_list) + return 0; + return do_execute_actions(dp, skb, nla_data(acts_list), nla_len(acts_list), true); } -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html