1 files changed, 6 insertions, 1 deletions

diff --git a/vendor/github.com/hashicorp/terraform/flatmap/expand.go b/vendor/github.com/hashicorp/terraform/flatmap/expand.go
index e0b81b6..1449065 100644
--- a/vendor/github.com/hashicorp/terraform/flatmap/expand.go
+++ b/vendor/github.com/hashicorp/terraform/flatmap/expand.go
@@ -60,6 +60,11 @@ func expandArray(m map[string]string, prefix string) []interface{} {
                 return []interface{}{}
         }
 
+        // NOTE: "num" is not necessarily accurate, e.g. if a user tampers
+        // with state, so the following code should not crash when given a
+        // number of items more or less than what's given in num. The
+        // num key is mainly just a hint that this is a list or set.
+
         // The Schema "Set" type stores its values in an array format, but
         // using numeric hash values instead of ordinal keys. Take the set
         // of keys regardless of value, and expand them in numeric order.
@@ -101,7 +106,7 @@ func expandArray(m map[string]string, prefix string) []interface{} {
         }
         sort.Ints(keysList)
 
-        result := make([]interface{}, num)
+        result := make([]interface{}, len(keysList))
         for i, key := range keysList {
                 keyString := strconv.Itoa(key)
                 if computed[keyString] {