appletalk: fix atalk_getname() leak

atalk_getname() can leak 8 bytes of kernel memory to user Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
mna · Aug 6, 2009 · 3d39247 · 3d39247
1 parent f6b97b2
commit 3d39247
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
@@ -1237,6 +1237,7 @@ static int atalk_getname(struct socket *sock, struct sockaddr *uaddr,
 			return -ENOBUFS;
 
 	*uaddr_len = sizeof(struct sockaddr_at);
+	memset(&sat.sat_zero, 0, sizeof(sat.sat_zero));
 
 	if (peer) {
 		if (sk->sk_state != TCP_ESTABLISHED)