fix(#2035): Prevent infinite loops caused by cyclic references on typ…

…edValue
gnolang · May 4, 2024 · c20f92b · c20f92b
1 parent 88b9aa3
commit c20f92b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/gnovm/pkg/gnolang/values_string.go b/gnovm/pkg/gnolang/values_string.go
@@ -287,6 +287,9 @@ func (tv *TypedValue) ProtectedSprint(seen *seenValues, considerDeclaredType boo
 		return fmt.Sprintf("%p", tv)
 	}
 
+	seen.Put(tv.V)
+	defer seen.Pop()
+
 	// print declared type
 	if _, ok := tv.T.(*DeclaredType); ok && considerDeclaredType {
 		return tv.ProtectedString(seen)