From cd39a77e9e838f09142787465f29a56aab244775 Mon Sep 17 00:00:00 2001
From: jinyaoguo <guo846@purdue.edu>
Date: Sun, 9 Mar 2025 21:09:22 -0400
Subject: [PATCH] Fix a null pointer dereference bug in function parse_msg

---
 src/sofa/pbrpc/pbjson.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sofa/pbrpc/pbjson.cc b/src/sofa/pbrpc/pbjson.cc
index 341a907..141c6e3 100644
--- a/src/sofa/pbrpc/pbjson.cc
+++ b/src/sofa/pbrpc/pbjson.cc
@@ -267,6 +267,11 @@ static rapidjson::Value* parse_msg(const Message *msg, rapidjson::Value::Allocat
         else
         {
             rapidjson::Value* field_json = field2json(msg, field, allocator);
+            if (!field_json)
+            {
+                delete root;
+                return NULL;
+            }
             root->AddMember(name, *field_json, allocator);
             delete field_json;
         }