Commit 91b5c98c authored by Dan Rosenberg's avatar Dan Rosenberg Committed by David S. Miller
Browse files

caif: don't set connection request param size before copying data



The size field should not be set until after the data is successfully
copied in.
Signed-off-by: default avatarDan Rosenberg <drosenberg@vsecurity.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 80ce3f67
......@@ -740,12 +740,12 @@ static int setsockopt(struct socket *sock,
if (cf_sk->sk.sk_protocol != CAIFPROTO_UTIL)
return -ENOPROTOOPT;
lock_sock(&(cf_sk->sk));
cf_sk->conn_req.param.size = ol;
if (ol > sizeof(cf_sk->conn_req.param.data) ||
copy_from_user(&cf_sk->conn_req.param.data, ov, ol)) {
release_sock(&cf_sk->sk);
return -EINVAL;
}
cf_sk->conn_req.param.size = ol;
release_sock(&cf_sk->sk);
return 0;
......
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