From 42aa4014aa5a0147de6f6a44530dc5b2571a9e56 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Mon, 4 Feb 2019 19:41:16 -0500
Subject: [PATCH] refactor: be slightly more defensive about setting document
 arrays

Re: #7472
---
 lib/types/documentarray.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/types/documentarray.js b/lib/types/documentarray.js
index 89ca8c6421e..223b7be3b95 100644
--- a/lib/types/documentarray.js
+++ b/lib/types/documentarray.js
@@ -54,7 +54,9 @@ function MongooseDocumentArray(values, path, doc) {
   };
 
   if (Array.isArray(values)) {
-    if (values instanceof CoreMongooseArray) {
+    if (values instanceof CoreMongooseArray &&
+        values._path === path &&
+        values._parent === doc) {
       props._atomics = Object.assign({}, values._atomics);
     }
     values.forEach(v => {