From a4c96eca679664a70c34b40026bbc5ad55825fd2 Mon Sep 17 00:00:00 2001
From: Jerome Robert <jeromerobert@gmx.com>
Date: Wed, 15 Apr 2015 09:41:45 +0200
Subject: [PATCH] Fix a buffer overflow with MAX_STACK_ALLOC size in dgemv_t

Refs #478, #482, 9798481, fd9fd42
---
 kernel/x86_64/dgemv_t_4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/x86_64/dgemv_t_4.c b/kernel/x86_64/dgemv_t_4.c
index 5d85ecab7..7c550a759 100644
--- a/kernel/x86_64/dgemv_t_4.c
+++ b/kernel/x86_64/dgemv_t_4.c
@@ -293,7 +293,7 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLO
         if ( n < 1 ) return(0);
 
 	xbuffer = buffer;
-	ytemp   = buffer + NBMAX;
+	ytemp   = buffer + (m < NBMAX ? m : NBMAX);
 	
 	n0 = n / NBMAX;
         n1 = (n % NBMAX)  >> 2 ;