fix size computation for allocation may overflow

apache · Aug 1, 2021 · ef04f90 · ef04f90
1 parent 3ee696b
commit ef04f90
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cluster/router/tag/router_rule.go b/cluster/router/tag/router_rule.go
@@ -58,7 +58,7 @@ func getRule(rawRule string) (*RouterRule, error) {
 
 // parseTags use for flattening tags data to @addressToTagNames and @tagNameToAddresses
 func (t *RouterRule) parseTags() {
-	t.AddressToTagNames = make(map[string][]string, 2*len(t.Tags))
+	t.AddressToTagNames = make(map[string][]string, len(t.Tags))
 	t.TagNameToAddresses = make(map[string][]string, len(t.Tags))
 	for _, tag := range t.Tags {
 		for _, address := range tag.Addresses {