linux-kernel - [PATCH] trivial: make mmap_min

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Date:	Wed, 21 Apr 2010 10:00:33 -0400
From:	Kyle McMartin <kmcmartin@...hat.com>
To:	eparis@...hat.com
Cc:	kees@...onical.com, cebbert@...hat.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH] trivial: make mmap_min_addr perms 600

Chuck points out that mmap_min_addr is 644...

CAP_SYS_RAWIO will deny users read/write to the file, let's let them see
that this is intended.

Signed-off-by: Kyle McMartin <kyle@...hat.com>
---
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8686b0f..5868481 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1209,7 +1209,7 @@ static struct ctl_table vm_table[] = {
 		.procname	= "mmap_min_addr",
 		.data		= &dac_mmap_min_addr,
 		.maxlen		= sizeof(unsigned long),
-		.mode		= 0644,
+		.mode		= 0600,
 		.proc_handler	= mmap_min_addr_handler,
 	},
 #endif
--
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