From: Roel Kluin <roel.kluin@gmail.com>
Date: Thu, 21 May 2009 16:42:54 +0000 (+0200)
Subject: smack: do not beyond ARRAY_SIZE of data
X-Git-Tag: firefly_0821_release~13985^2^2~16
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6470c077cae12227318f40f3e6d756caadcce4b0;p=firefly-linux-kernel-4.4.55.git

smack: do not beyond ARRAY_SIZE of data

Do not go beyond ARRAY_SIZE of data

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
---

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 904af3483286..8d3c2a051c7b 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -776,7 +776,7 @@ static ssize_t smk_write_netlbladdr(struct file *file, const char __user *buf,
 	struct sockaddr_in newname;
 	char smack[SMK_LABELLEN];
 	char *sp;
-	char data[SMK_NETLBLADDRMAX];
+	char data[SMK_NETLBLADDRMAX + 1];
 	char *host = (char *)&newname.sin_addr.s_addr;
 	int rc;
 	struct netlbl_audit audit_info;