From ffe0316e5f2450d2bd464dde4312b9212bd0f39f Mon Sep 17 00:00:00 2001
From: "xiang.zhou" <xiang.zhou@emqx.io>
Date: Thu, 4 Dec 2025 15:20:34 +0800
Subject: [PATCH] fixbug:double free about json obj

---
 include/neuron/msg.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/neuron/msg.h b/include/neuron/msg.h
index 83a0ac99..6d03bcf2 100644
--- a/include/neuron/msg.h
+++ b/include/neuron/msg.h
@@ -1625,8 +1625,9 @@ neu_tag_value_to_json_paginate(neu_resp_tag_value_meta_paginate_t *tag_value,
         tag_json->value.val_array_str.p_strs = tag_value->value.value.strs.strs;
         break;
     case NEU_TYPE_CUSTOM:
-        tag_json->t                = NEU_JSON_OBJECT;
-        tag_json->value.val_object = tag_value->value.value.json;
+        tag_json->t = NEU_JSON_OBJECT;
+        tag_json->value.val_object =
+            json_deep_copy(tag_value->value.value.json);
         break;
     default:
         break;