(ITS#7385) back_mdb ENOSPC error returned from mdb_node_add incorrectly

[Frank.Swasey@uvm.edu]

Full_Name: Francis Swasey
Version: 2.4.32
OS: RHEL6.3 64-bit
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (132.198.21.181)


In exploring converting to back_mdb, I have discovered a problem which results
in the following symptoms:

ldapmodify with the following ldif:


dn: cn=COURSE-201209-94186,ou=Groups,dc=uvm,dc=edu
changetype: modify
delete: member
member: uid=pbirnbau,ou=people,dc=uvm,dc=edu
-

fails with the following:

ldap_modify: Other (e.g., implementation specific) error (80)
        additional info: entry update failed

syslog records the following:

Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 fd=21 ACCEPT from
IP=132.198.100.216:57847 (IP=0.0.0.0:636)
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 fd=21 TLS established
tls_ssf=256 ssf=256
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 op=0 BIND
dn="cn=manager,dc=uvm,dc=edu" method=128
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 op=0 BIND
dn="cn=manager,dc=uvm,dc=edu" mech=SIMPLE ssf=0
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 op=0 RESULT tag=97 err=0 text=
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 op=1 MOD
dn="cn=COURSE-201209-94186,ou=Groups,dc=uvm,dc=edu"
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 op=1 MOD attr=member
Sep 11 14:14:23 ldap6dev slapd[6456]: slap_queue_csn: queing 0x7fdb6bffd0a0
20120911181423.401038Z#000000#000#000000
Sep 11 14:14:23 ldap6dev slapd[6456]: mdb_id2entry_put: mdb_put failed: No space
left on device(28) "cn=course-201209-94186,ou=groups,dc=uvm,dc=edu"
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 op=1 RESULT tag=103 err=80
text=entry update failed
Sep 11 14:14:23 ldap6dev slapd[6456]: slap_graduate_commit_csn: removing
0x7fdb54002970 20120911181423.401038Z#000000#000#000000
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 op=2 UNBIND
Sep 11 14:14:23 ldap6dev slapd[6456]: conn=1002 fd=21 closed

gdb points to the return ENOSPC at line 4806 of mdb_node_add