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irda: Fix irda_getname() leak

PATCH Applied Eric Dumazet 2 participants 2 messages Aug 6, 2009

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Eric Dumazet

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#0 lore raw

PATCH 1/1 irda: Fix irda_getname() leak

irda_getname() can leak kernel memory to user.

Signed-off-by Eric Dumazet <[email protected]>

---

net/irda/af_irda.c +1 -0
index cb762c8..3ec2b43 100644
@@ -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;