From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 6 Aug 2009 03:55:04 +0000 (+0000)
Subject: irda: Fix irda_getname() leak
X-Git-Tag: v2.6.30.6~7
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=03300f07d8e955ef16b7bfcd62c77cb8cf5aab6a;p=karo-tx-linux.git

irda: Fix irda_getname() leak

commit 09384dfc76e526c3993c09c42e016372dc9dd22c upstream.

irda_getname() can leak kernel memory to user.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index e0fbcff6eb21..b06224bb06e6 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -714,6 +714,7 @@ static int irda_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct sock *sk = sock->sk;
 	struct irda_sock *self = irda_sk(sk);
 
+	memset(&saddr, 0, sizeof(saddr));
 	if (peer) {
 		if (sk->sk_state != TCP_ESTABLISHED)
 			return -ENOTCONN;