econet: Fix econet_getname() leak

commit 80922bbb12a105f858a8f0abb879cb4302d0ecaa upstream.

econet_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/econet/af_econet.c b/net/econet/af_econet.c
index 6f479fa522c30c3651dfab020d10d2b6a501efc5..3bafb218356a4d967622680512d3d45a503edb4f 100644 (file)
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -520,6 +520,7 @@ static int econet_getname(struct socket *sock, struct sockaddr *uaddr,
        if (peer)
                return -EOPNOTSUPP;
 
+       memset(sec, 0, sizeof(*sec));
        mutex_lock(&econet_mutex);
 
        sk = sock->sk;