diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 8e0199394984..437f3e77c7e0 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -1229,6 +1229,8 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags,
 
 		seglen = min_t(size_t, (maxsize - len),
 			       msg_data_left(msg));
+		/* Never pin more pages than the remaining RX accounting budget. */
+		seglen = min_t(size_t, seglen, af_alg_rcvbuf(sk));
 
 		if (list_empty(&areq->rsgl_list)) {
 			rsgl = &areq->first_rsgl;
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 82735e51be10..ba0a17fd95ac 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -130,6 +130,11 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
 	 * full block size buffers.
 	 */
 	if (ctx->more || len < ctx->used) {
+		if (len < bs) {
+			err = -EINVAL;
+			goto free;
+		}
+
 		len -= len % bs;
 		cflags |= CRYPTO_SKCIPHER_REQ_NOTFINAL;
 	}