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-rw-r--r--source4/lib/ldb/common/ldb_msg.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/source4/lib/ldb/common/ldb_msg.c b/source4/lib/ldb/common/ldb_msg.c
index 5ca3dbb91c..dfd86c6d3a 100644
--- a/source4/lib/ldb/common/ldb_msg.c
+++ b/source4/lib/ldb/common/ldb_msg.c
@@ -307,8 +307,14 @@ int ldb_msg_add_steal_string(struct ldb_message *msg,
int ldb_msg_add_linearized_dn(struct ldb_message *msg, const char *attr_name,
struct ldb_dn *dn)
{
- return ldb_msg_add_steal_string(msg, attr_name,
- ldb_dn_alloc_linearized(msg, dn));
+ char *str = ldb_dn_alloc_linearized(msg, dn);
+
+ if (str == NULL) {
+ /* we don't want to have unknown DNs added */
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_msg_add_steal_string(msg, attr_name, str);
}
/*