[389-ds-base] branch 389-ds-base-1.4.0 updated: Ticket 49850 cont -fix crash in ldbm_non_leaf

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lkrispen pushed a commit to branch 389-ds-base-1.4.0
in repository 389-ds-base.

The following commit(s) were added to refs/heads/389-ds-base-1.4.0 by this push:
     new 6f61502  Ticket 49850 cont -fix crash in ldbm_non_leaf
6f61502 is described below

commit 6f61502eaa96eeab6d37a7822354850555f06974
Author: Ludwig Krispenz 
AuthorDate: Thu Oct 24 14:26:20 2019 +0200

Ticket 49850 cont -fix crash in ldbm_non_leaf

Bug: if the ldif to be imported contains only one entry there are no leaf nodes
                    and the call to qsort crashes

Fix: check that nodes is not NULL
---
 ldap/servers/slapd/back-ldbm/ancestorid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ldap/servers/slapd/back-ldbm/ancestorid.c b/ldap/servers/slapd/back-ldbm/ancestorid.c
index 254a3aa..f26ac13 100644
--- a/ldap/servers/slapd/back-ldbm/ancestorid.c
+++ b/ldap/servers/slapd/back-ldbm/ancestorid.c
@@ -114,7 +114,7 @@ ldbm_get_nonleaf_ids(backend *be, DB_TXN *txn, IDList **idl, ImportJob *job)
     if (ret != 0)
         ldbm_nasty("ldbm_get_nonleaf_ids", sourcefile, 13030, ret);

-    if (ret == 0) {
+    if (ret == 0 && nodes) {
         /* now sort it */
         import_log_notice(job, SLAPI_LOG_INFO, "ldbm_get_nonleaf_ids",
             "Starting sort of ancestorid non-leaf IDs...");