diff --git a/sys/compat/cloudabi32/cloudabi32_sock.c b/sys/compat/cloudabi32/cloudabi32_sock.c
index b4fa09ca1d42..97cb4478cf57 100644
--- a/sys/compat/cloudabi32/cloudabi32_sock.c
+++ b/sys/compat/cloudabi32/cloudabi32_sock.c
@@ -60,7 +60,7 @@ cloudabi32_sys_sock_recv(struct thread *td,
 	/* Convert iovecs to native format. */
 	if (ri.ri_data_len > UIO_MAXIOV)
 		return (EINVAL);
-	iov = malloc(ri.ri_data_len * sizeof(struct iovec),
+	iov = mallocarray(ri.ri_data_len, sizeof(struct iovec),
 	    M_SOCKET, M_WAITOK);
 	user_iov = TO_PTR(ri.ri_data);
 	for (i = 0; i < ri.ri_data_len; i++) {
@@ -104,7 +104,7 @@ cloudabi32_sys_sock_send(struct thread *td,
 	/* Convert iovecs to native format. */
 	if (si.si_data_len > UIO_MAXIOV)
 		return (EINVAL);
-	iov = malloc(si.si_data_len * sizeof(struct iovec),
+	iov = mallocarray(si.si_data_len, sizeof(struct iovec),
 	    M_SOCKET, M_WAITOK);
 	user_iov = TO_PTR(si.si_data);
 	for (i = 0; i < si.si_data_len; i++) {
diff --git a/sys/compat/cloudabi64/cloudabi64_sock.c b/sys/compat/cloudabi64/cloudabi64_sock.c
index 482b6d8f67e9..001adada384a 100644
--- a/sys/compat/cloudabi64/cloudabi64_sock.c
+++ b/sys/compat/cloudabi64/cloudabi64_sock.c
@@ -60,7 +60,7 @@ cloudabi64_sys_sock_recv(struct thread *td,
 	/* Convert iovecs to native format. */
 	if (ri.ri_data_len > UIO_MAXIOV)
 		return (EINVAL);
-	iov = malloc(ri.ri_data_len * sizeof(struct iovec),
+	iov = mallocarray(ri.ri_data_len, sizeof(struct iovec),
 	    M_SOCKET, M_WAITOK);
 	user_iov = TO_PTR(ri.ri_data);
 	for (i = 0; i < ri.ri_data_len; i++) {
@@ -104,7 +104,7 @@ cloudabi64_sys_sock_send(struct thread *td,
 	/* Convert iovecs to native format. */
 	if (si.si_data_len > UIO_MAXIOV)
 		return (EINVAL);
-	iov = malloc(si.si_data_len * sizeof(struct iovec),
+	iov = mallocarray(si.si_data_len, sizeof(struct iovec),
 	    M_SOCKET, M_WAITOK);
 	user_iov = TO_PTR(si.si_data);
 	for (i = 0; i < si.si_data_len; i++) {