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From: Roel Kluin <roel.kluin@gmail.com>
To: jmorris@namei.org
Cc: lkml <linux-kernel@vger.kernel.org>,
	linux-security-module@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] smack:beyond ARRAY_SIZE of data
Date: Wed, 20 May 2009 17:19:31 +0200	[thread overview]
Message-ID: <4A141F83.10102@gmail.com> (raw)

Do not go beyond ARRAY_SIZE of data

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index e03a7e1..7407e5c 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -797,7 +797,7 @@ static ssize_t smk_write_netlbladdr(struct file *file, const char __user *buf,
 		return -EPERM;
 	if (*ppos != 0)
 		return -EINVAL;
-	if (count < SMK_NETLBLADDRMIN || count > SMK_NETLBLADDRMAX)
+	if (count < SMK_NETLBLADDRMIN || count >= SMK_NETLBLADDRMAX)
 		return -EINVAL;
 	if (copy_from_user(data, buf, count) != 0)
 		return -EFAULT;


             reply	other threads:[~2009-05-20 15:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-20 15:19 Roel Kluin [this message]
2009-05-20 22:27 ` [PATCH] smack:beyond ARRAY_SIZE of data Casey Schaufler
2009-05-21 16:42   ` Roel Kluin
2009-05-22  2:30     ` Casey Schaufler
2009-05-22  2:42       ` James Morris
2009-05-22  4:35         ` Casey Schaufler

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