Prevent infinite looping and out of memory errors #1482

volatility3/framework/symbols/windows/extensions/registry.py

@@ -133,8 +133,17 @@ class CM_KEY_BODY(objects.StructType):
 
     def get_full_key_name(self) -> str:
         output = []
+        seen = set()
+
         kcb = self.KeyControlBlock
         while kcb.ParentKcb:
+            if kcb.ParentKcb.vol.offset in seen:
+                return ""
+            seen.add(kcb.ParentKcb.vol.offset)
+
+            if len(output) > 128:
+                return ""
+
             if kcb.NameBlock.Name is None:
                 break