From: Alexey Dobriyan <adobriyan@parallels.com>

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

Signed-off-by: Alexey Dobriyan <adobriyan@parallels.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/sysctl_check.c |    2 ++
 1 file changed, 2 insertions(+)

diff -puN kernel/sysctl_check.c~sysctl-check-for-bogus-modes kernel/sysctl_check.c
--- a/kernel/sysctl_check.c~sysctl-check-for-bogus-modes
+++ a/kernel/sysctl_check.c
@@ -1532,6 +1532,8 @@ int sysctl_check_table(struct nsproxy *n
 			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;
_