diff mbox

irda: Fix irda_getname() leak

Message ID 4A7AE0B8.8010600@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Eric Dumazet Aug. 6, 2009, 1:55 p.m. UTC 
irda_getname() can leak kernel memory to user.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
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Comments

David Miller Aug. 6, 2009, 8:09 p.m. UTC | #1 
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 06 Aug 2009 15:55:04 +0200

> irda_getname() can leak kernel memory to user.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Applied to net-2.6
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diff mbox

Patch

diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index cb762c8..3ec2b43 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;