From 1cef2da0ade36f391e31c304d32624ecc7cb86ba Mon Sep 17 00:00:00 2001
From: actboy168 <actboy168@gmail.com>
Date: Fri, 26 Apr 2024 10:51:42 +0800
Subject: [PATCH] add a check

---
 binding/lua_epoll.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/binding/lua_epoll.cpp b/binding/lua_epoll.cpp
index ed35b327..86a33c29 100644
--- a/binding/lua_epoll.cpp
+++ b/binding/lua_epoll.cpp
@@ -33,6 +33,7 @@ namespace bee::lua_epoll {
     };
 
     static net::fd_t ep_tofd(lua_State *L, int idx) {
+        luaL_checktype(L, idx, LUA_TUSERDATA);
         return lua::toudata<net::fd_t>(L, idx);
     }