static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
- const u32 forbidden = CRYPTO_ALG_INTERNAL;
+ const u32 allowed = CRYPTO_ALG_KERN_DRIVER_ONLY;
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct sockaddr_alg *sa = (void *)uaddr;
void *private;
int err;
+ /* If caller uses non-allowed flag, return error. */
+ if ((sa->salg_feat & ~allowed) || (sa->salg_mask & ~allowed))
+ return -EINVAL;
+
if (sock->state == SS_CONNECTED)
return -EINVAL;
if (IS_ERR(type))
return PTR_ERR(type);
- private = type->bind(sa->salg_name,
- sa->salg_feat & ~forbidden,
- sa->salg_mask & ~forbidden);
+ private = type->bind(sa->salg_name, sa->salg_feat, sa->salg_mask);
if (IS_ERR(private)) {
module_put(type->owner);
return PTR_ERR(private);
/**
* af_alg_poll - poll system call handler
*/
-unsigned int af_alg_poll(struct file *file, struct socket *sock,
+__poll_t af_alg_poll(struct file *file, struct socket *sock,
poll_table *wait)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct af_alg_ctx *ctx = ask->private;
- unsigned int mask;
+ __poll_t mask;
sock_poll_wait(file, sk_sleep(sk), wait);
mask = 0;