From 4eea84268be0bd4f73d9bd988dc8e41702c8a3b8 Mon Sep 17 00:00:00 2001
From: "holyfoot@deer.(none)" <>
Date: Wed, 2 Nov 2005 18:46:13 +0400
Subject: [PATCH] Additional fix for #13573

---
 strings/decimal.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/strings/decimal.c b/strings/decimal.c
index ea6ac2caf38..f536bdb1d6b 100644
--- a/strings/decimal.c
+++ b/strings/decimal.c
@@ -1986,7 +1986,11 @@ int decimal_mul(decimal_t *from1, decimal_t *from2, decimal_t *to)
       carry+=hi;
     }
     for (; carry; buf0--)
+    {
+      if (buf0 < to->buf)
+        return E_DEC_OVERFLOW;
       ADD(*buf0, *buf0, 0, carry);
+    }
   }
 
   /* Now we have to check for -0.000 case */