From 510c1070bfd07eb1884a89b00f2a19f540d01eca Mon Sep 17 00:00:00 2001
From: npt-1707 <npthanh132@gmail.com>
Date: Fri, 25 Apr 2025 02:28:33 +0800
Subject: [PATCH] Fix potential vulnerable cloned functions: Security: update
 Lua struct package for security.

---
 src/redis/lua/struct/lua_struct.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/redis/lua/struct/lua_struct.c b/src/redis/lua/struct/lua_struct.c
index e8fb83996..2e44c0a52 100644
--- a/src/redis/lua/struct/lua_struct.c
+++ b/src/redis/lua/struct/lua_struct.c
@@ -82,14 +82,12 @@ typedef struct Header {
 } Header;
 
 
-static int getnum (lua_State *L, const char **fmt, int df) {
+static int getnum (const char **fmt, int df) {
   if (!isdigit(**fmt))  /* no number? */
     return df;  /* return default value */
   else {
     int a = 0;
     do {
-      if (a > (INT_MAX / 10) || a * 10 > (INT_MAX - (**fmt - '0')))
-        luaL_error(L, "integral size overflow");
       a = a*10 + *((*fmt)++) - '0';
     } while (isdigit(**fmt));
     return a;
@@ -110,9 +108,9 @@ static size_t optsize (lua_State *L, char opt, const char **fmt) {
     case 'f':  return sizeof(float);
     case 'd':  return sizeof(double);
     case 'x': return 1;
-    case 'c': return getnum(L, fmt, 1);
+    case 'c': return  getnum(fmt, 1);
     case 'i': case 'I': {
-      int sz = getnum(L, fmt, sizeof(int));
+      int sz = getnum(fmt, sizeof(int));
       if (sz > MAXINTSIZE)
         luaL_error(L, "integral size %d is larger than limit of %d",
                        sz, MAXINTSIZE);
@@ -145,7 +143,7 @@ static void controloptions (lua_State *L, int opt, const char **fmt,
     case '>': h->endian = BIG; return;
     case '<': h->endian = LITTLE; return;
     case '!': {
-      int a = getnum(L, fmt, MAXALIGN);
+      int a = getnum(fmt, MAXALIGN);
       if (!isp2(a))
         luaL_error(L, "alignment %d is not a power of 2", a);
       h->align = a;