From 566d5f7b562fa8da89f18273d386f19a9e9280db Mon Sep 17 00:00:00 2001
From: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
Date: Mon, 3 Oct 2016 01:01:12 +0200
Subject: [PATCH] clear page before the first usage

---
 hermit/arch/x86/mm/page.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hermit/arch/x86/mm/page.c b/hermit/arch/x86/mm/page.c
index 5460f46f1..bc6af9687 100644
--- a/hermit/arch/x86/mm/page.c
+++ b/hermit/arch/x86/mm/page.c
@@ -265,7 +265,8 @@ void page_fault_handler(struct state *s)
 			goto default_handler;
 		}
 
-		// TODO: reusing of old data is possible => security issue
+		// reset page
+		memset(viraddr, 0x00, PAGE_SIZE);
 
 		spinlock_irqsave_unlock(&page_lock);