File CVE-2021-41556.patch of Package squirrel.17871

From 23a0620658714b996d20da3d4dd1a0dcf9b0bd98 Mon Sep 17 00:00:00 2001
From: albertodemichelis <alberto@qnsoftware.com>
Date: Thu, 16 Sep 2021 22:36:53 +0800
Subject: [PATCH] check max member count in class

---
 squirrel/sqclass.cpp | 3 +++
 squirrel/sqclass.h   | 1 +
 2 files changed, 4 insertions(+)

Index: SQUIRREL3/squirrel/sqclass.cpp
===================================================================
--- SQUIRREL3.orig/squirrel/sqclass.cpp
+++ SQUIRREL3/squirrel/sqclass.cpp
@@ -61,6 +61,9 @@ bool SQClass::NewSlot(SQSharedState *ss,
 		_defaultvalues[_member_idx(temp)].val = val;
 		return true;
 	}
+    if (_members->CountUsed() >= MEMBER_MAX_COUNT) {
+        return false;
+    }
 	if(belongs_to_static_table) {
 		SQInteger mmidx;
 		if((type(val) == OT_CLOSURE || type(val) == OT_NATIVECLOSURE) && 
Index: SQUIRREL3/squirrel/sqclass.h
===================================================================
--- SQUIRREL3.orig/squirrel/sqclass.h
+++ SQUIRREL3/squirrel/sqclass.h
@@ -17,6 +17,7 @@ typedef sqvector<SQClassMember> SQClassM
 
 #define MEMBER_TYPE_METHOD 0x01000000
 #define MEMBER_TYPE_FIELD 0x02000000
+#define MEMBER_MAX_COUNT 0x00FFFFFF
 
 #define _ismethod(o) (_integer(o)&MEMBER_TYPE_METHOD)
 #define _isfield(o) (_integer(o)&MEMBER_TYPE_FIELD)