From da906fbc87fce50a21a65d3e5bcc1ccd7ab3323e Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@samba.org>
Date: Sat, 6 Mar 2021 15:49:46 +0100
Subject: [PATCH] lib: Protect "messaging_dgm_init()" from NULL dirs

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---
 lib/messaging/messages_dgm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/messaging/messages_dgm.c b/lib/messaging/messages_dgm.c
index 99455729aca..733cd19d3b8 100644
--- a/lib/messaging/messages_dgm.c
+++ b/lib/messaging/messages_dgm.c
@@ -1002,6 +1002,10 @@ int messaging_dgm_init(struct tevent_context *ev,
 		return EEXIST;
 	}
 
+	if ((socket_dir == NULL) || (lockfile_dir == NULL)) {
+		return EINVAL;
+	}
+
 	ctx = talloc_zero(NULL, struct messaging_dgm_context);
 	if (ctx == NULL) {
 		goto fail_nomem;
-- 
2.47.3