From c1520c9e11995c44a7d9ff7b1a90899dc2461f17 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Mon, 24 Jun 2024 17:30:47 +0200
Subject: [PATCH] lua: apply patch for "Stack overflow in vararg functions with
 many fixed parameters called with few arguments"

known as CVE-2014-5461
<https://sources.debian.org/src/lua5.1/5.1.5-9/debian/patches/0004-Fix-stack-overflow-in-vararg-functions.patch/>
---
 lib/lua/src/ldo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/lua/src/ldo.c b/lib/lua/src/ldo.c
index 7eeea636c..37a7660fd 100644
--- a/lib/lua/src/ldo.c
+++ b/lib/lua/src/ldo.c
@@ -274,7 +274,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
     CallInfo *ci;
     StkId st, base;
     Proto *p = cl->p;
-    luaD_checkstack(L, p->maxstacksize);
+    luaD_checkstack(L, p->maxstacksize + p->numparams);
     func = restorestack(L, funcr);
     if (!p->is_vararg) {  /* no varargs? */
       base = func + 1;