From 177c175fdaa0718ee3479560be4366810993c702 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@gmx.de>
Date: Mon, 10 Jun 2013 01:09:52 +0200
Subject: [PATCH] kernel: allow sysr1 debugging only for hostowner

---
 sys/src/9/port/sysproc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/src/9/port/sysproc.c b/sys/src/9/port/sysproc.c
index 477d50fd5..8eed9814f 100644
--- a/sys/src/9/port/sysproc.c
+++ b/sys/src/9/port/sysproc.c
@@ -17,6 +17,8 @@ extern void checkpagerefs(void);
 long
 sysr1(ulong*)
 {
+	if(!iseve())
+		error(Eperm);
 	checkpagerefs();
 	return 0;
 }