--- source3/lib/messages.c.orig	2020-02-28 08:59:35 UTC

+++ source3/lib/messages.c

@@ -157,7 +157,7 @@ struct messaging_rec *messaging_rec_create(

 	{

 		struct messaging_rec rec;

-		int64_t fds64[num_fds];

+		int64_t fds64[MAX(1, num_fds)];

 		size_t i;

 		for (i=0; i<num_fds; i++) {

@@ -391,7 +391,7 @@ static void messaging_recv_cb(struct tevent_context *e

 		private_data, struct messaging_context);

 	struct server_id_buf idbuf;

 	struct messaging_rec rec;

-	int64_t fds64[MIN(num_fds, INT8_MAX)];

+	int64_t fds64[MAX(1, MIN(num_fds, INT8_MAX))];

 	size_t i;

 	if (msg_len < MESSAGE_HDR_LENGTH) {

@@ -1375,7 +1375,7 @@ static void messaging_dispatch_rec(struct messaging_co

 	if (ev != msg_ctx->event_ctx) {

 		struct iovec iov;

-		int fds[rec->num_fds];

+		int fds[MAX(1, rec->num_fds)];

 		int ret;

 		/*