(ITS#7736) back-mdb corrupts during write operations

[quanah@OpenLDAP.org]

Full_Name: Quanah Gibson-Mount
Version: 2.4.37
OS: Linux 2.6
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (75.111.58.125)


Found after upgrading to OpenLDAP 2.4.37 + the last two commits to liblmdb:

527168fe mdb_search_candidates: id=1 first=77 last=77
slapd: ./../../../libraries/liblmdb/mdb.c:4596: mdb_page_get: Assertion `p !=
((void *)0)' failed.
Aborted

slapd last logged:

Oct 30 15:50:14 zqa-061 slapd[25442]: slap_queue_csn: queing 0x7f761e2091a0
20131030155014.945701Z#000000#000#000000

Oct 30 15:50:14 zqa-061 slapd[25442]: slap_graduate_commit_csn: removing
0x4cb8b70 20131030155014.945701Z#000000#000#000000