From 7d92ac87e406dc466d5bec5441c64f0051bda204 Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Sun, 18 Jun 2017 23:54:51 +1000
Subject: src/lapi.js: Do a length check in lua_pushlstring

---
 src/lapi.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lapi.js b/src/lapi.js
index a25dd16..2d30074 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -236,7 +236,7 @@ const lua_pushlstring = function(L, s, len) {
     if (len === 0) {
         ts = lstring.luaS_bless(L, []);
     } else {
-        assert(defs.is_luastring(s), "lua_pushlstring expects array of byte");
+        assert(defs.is_luastring(s) && s.length >= len, "lua_pushlstring expects array of byte");
         ts = lstring.luaS_bless(L, s.slice(0, len));
     }
     lobject.pushsvalue2s(L, ts);
-- 
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