From 950389599d29873cf598a30386d6d7ab78024ff2 Mon Sep 17 00:00:00 2001
From: hong <hongling-0@qq.com>
Date: Wed, 29 Jul 2020 07:13:57 +0800
Subject: [PATCH] =?UTF-8?q?=E9=94=99=E8=AF=AF=E6=95=B0=E6=8D=AE=E6=9C=89?=
 =?UTF-8?q?=E5=8F=AF=E8=83=BD=E5=AF=BC=E8=87=B4=E6=AD=BB=E5=BE=AA=E7=8E=AF?=
 =?UTF-8?q?=20(#1225)?=
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---
 lualib-src/lua-mongo.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lualib-src/lua-mongo.c b/lualib-src/lua-mongo.c
index a8ca0b0c..4ceffa06 100644
--- a/lualib-src/lua-mongo.c
+++ b/lualib-src/lua-mongo.c
@@ -246,6 +246,9 @@ op_reply(lua_State *L) {
 			lua_rawseti(L, 2, i);
 
 			int32_t doc_len = get_length((document)doc);
+			if (doc_len <= 0) {
+				return luaL_error(L, "Invalid result bson document");
+			}
 
 			doc += doc_len;
 			sz -= doc_len;