From bbdd5105b1d140c9f635d8aabcbde7e36c8908f8 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Thu, 7 May 2009 08:59:09 +0200
Subject: [PATCH] Allocated memory with the wrong size resulting in invalid
 memory access.

---
 src/common/mm_io.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/mm_io.cpp b/src/common/mm_io.cpp
index fbbe96150..a15933f29 100644
--- a/src/common/mm_io.cpp
+++ b/src/common/mm_io.cpp
@@ -938,11 +938,11 @@ mm_mem_io_c::mm_mem_io_c(unsigned char *_mem,
   if (increase <= 0)
     throw error_c(Y("wrong usage: increase < 0"));
 
-  if ((mem == NULL) && (increase > 0)) {
+  if ((NULL == mem) && (0 < increase)) {
     if (0 == mem_size)
       allocated = increase;
 
-    mem      = (unsigned char *)safemalloc(increase);
+    mem      = (unsigned char *)safemalloc(allocated);
     free_mem = true;
 
   } else