From ad6ee8a5e1518523316bb4e11b34bee3b85b6550 Mon Sep 17 00:00:00 2001
From: Filip Navara <filip.navara@gmail.com>
Date: Sat, 8 Jan 2005 23:36:03 +0000
Subject: [PATCH] Change vsprint to _vsnprintf in PrintString to prevent
 potential buffer overflows. Patch by Uwe Matthaeus
 <uwe.matthaeus@guehring.de>.

svn path=/trunk/; revision=12894
---
 reactos/ntoskrnl/kd/kdebug.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/kd/kdebug.c b/reactos/ntoskrnl/kd/kdebug.c
index 11ab00aea45..4a05502ca91 100644
--- a/reactos/ntoskrnl/kd/kdebug.c
+++ b/reactos/ntoskrnl/kd/kdebug.c
@@ -60,7 +60,8 @@ PrintString(char* fmt,...)
   va_list ap;
 
   va_start(ap, fmt);
-  vsprintf(buffer, fmt, ap);
+  _vsnprintf(buffer, sizeof(buffer) - 1, fmt, ap);
+  buffer[sizeof(buffer) - 1] = 0;
   va_end(ap);
 
   HalDisplayString(buffer);