From 2852dce541e7d923b1a2807f9ba29b62b043d219 Mon Sep 17 00:00:00 2001
From: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Date: Fri, 3 May 2019 17:21:49 +1200
Subject: [PATCH] dsdb/modules/dirsync: avoid possible NULL dereference (CID
 1034800)

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
---
 source4/dsdb/samdb/ldb_modules/dirsync.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source4/dsdb/samdb/ldb_modules/dirsync.c b/source4/dsdb/samdb/ldb_modules/dirsync.c
index 291876e162b..6367661bd04 100644
--- a/source4/dsdb/samdb/ldb_modules/dirsync.c
+++ b/source4/dsdb/samdb/ldb_modules/dirsync.c
@@ -852,6 +852,9 @@ static int dirsync_search_callback(struct ldb_request *req, struct ldb_reply *ar
 		}
 
 		tmp = strchr(tmp, '/');
+		if (tmp == NULL) {
+			return ldb_operr(ldb);
+		}
 		tmp++;
 
 		dn = ldb_dn_new(dsc, ldb, tmp);
-- 
2.47.3