From 6c125d6152e83905f5b93a769d066ac4e437a88f Mon Sep 17 00:00:00 2001
From: npt-1707 <npthanh132@gmail.com>
Date: Fri, 23 May 2025 03:24:55 +0800
Subject: [PATCH] src/utils/cJSON.cpp: add NULL check in
 cJSON_InsertItemInArray

---
 src/utils/cJSON.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils/cJSON.cpp b/src/utils/cJSON.cpp
index cbdec41..d957fd7 100644
--- a/src/utils/cJSON.cpp
+++ b/src/utils/cJSON.cpp
@@ -2142,7 +2142,7 @@ CJSON_PUBLIC(void) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newit
 {
     cJSON *after_inserted = NULL;
 
-    if (which < 0)
+    if (which < 0 || newitem == NULL)
     {
         return;
     }
@@ -2154,6 +2154,10 @@ CJSON_PUBLIC(void) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newit
         return;
     }
 
+    if (after_inserted != array->child && newitem->prev == NULL) {
+        return;
+    }
+
     newitem->next = after_inserted;
     newitem->prev = after_inserted->prev;
     after_inserted->prev = newitem;