From 979124928c4132659f34a1dc7f4ef539c956d955 Mon Sep 17 00:00:00 2001
From: Oki Minabe <minabe.oki@gmail.com>
Date: Fri, 18 Feb 2022 00:08:32 +0900
Subject: [PATCH] fix array index range checking of gat[] in gran_alloc().

---
 mm/mm_gran/mm_granalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mm_gran/mm_granalloc.c b/mm/mm_gran/mm_granalloc.c
index 79ebdb0130..88264311a2 100644
--- a/mm/mm_gran/mm_granalloc.c
+++ b/mm/mm_gran/mm_granalloc.c
@@ -113,7 +113,7 @@ FAR void *gran_alloc(GRAN_HANDLE handle, size_t size)
 
           /* Get the next entry from the GAT to support a 64 bit shift */
 
-          if (granidx < priv->ngranules)
+          if (granidx + 32 < priv->ngranules)
             {
               next = priv->gat[gatidx + 1];
             }