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.carpen...@oracle.com>
---
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);
}
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