From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 6 Aug 2009 03:34:06 +0000 (+0000)
Subject: rose: Fix rose_getname() leak
X-Git-Tag: v2.6.31-rc7~27^2~48
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=17ac2e9c58b69a1e25460a568eae1b0dc0188c25;p=linux.git

rose: Fix rose_getname() leak

rose_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>
---

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index f0a76f6bca71..e5f478ca3d61 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -954,6 +954,7 @@ static int rose_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct rose_sock *rose = rose_sk(sk);
 	int n;
 
+	memset(srose, 0, sizeof(*srose));
 	if (peer != 0) {
 		if (sk->sk_state != TCP_ESTABLISHED)
 			return -ENOTCONN;