From 99541c23cd32bacf1a591ca537a7c0cb9053ad7e Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@parallels.com>
Date: Fri, 25 Jul 2008 01:48:31 -0700
Subject: sysctl: check for bogus modes

Catch, e. g., 644/0644 typo.

Signed-off-by: Alexey Dobriyan <adobriyan@parallels.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/sysctl_check.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'kernel/sysctl_check.c')

diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c
index c09350d564f2..c35da23ab8fb 100644
--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -1532,6 +1532,8 @@ int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table)
 			sysctl_check_leaf(namespaces, table, &fail);
 		}
 		sysctl_check_bin_path(table, &fail);
+		if (table->mode > 0777)
+			set_fail(&fail, table, "bogus .mode");
 		if (fail) {
 			set_fail(&fail, table, NULL);
 			error = -EINVAL;
-- 
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