(ITS#6175) Slapd crashes when using accesslog

[openldap-bugs@gleim.com]

Full_Name: Ben Goldsbury
Version: 2.4.11
OS: Debian Lenny running under Xen
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (209.208.68.3)


Slapd dies whenever the accesslog is enabled with the following BT.  Please let
me know what additional information you might need.  I am also in #openldap as
bpgoldsb.

#0  0x00002b4ae5a45552 in ber_dupbv_x () from /usr/lib/liblber-2.4.so.2
#1  0x0000000000439a2e in attr_valadd (a=0x8ac4f0, vals=0x48, nvals=0x0, nn=1)
at /home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/attr.c:423
#2  0x00002b4aea39bf8d in accesslog_entry (op=0x407ffde0, rs=0x407fff50,
logop=<value optimized out>, op2=0x4067f1d0)
    at /home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/overlays/accesslog.c:1200
#3  0x00002b4aea39c40f in accesslog_response (op=0x407ffde0, rs=0x407fff50) at
/home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/overlays/accesslog.c:1363
#4  0x00000000004907a8 in over_back_response (op=0x407ffde0, rs=0x407fff50) at
/home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/backover.c:235
#5  0x00000000004402ef in slap_response_play (op=0x407ffde0, rs=0x407fff50) at
/home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/result.c:307
#6  0x0000000000442e0d in send_ldap_response (op=0x87b7e0, rs=0x48) at
/home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/result.c:381
#7  0x00000000004439ab in slap_send_ldap_result (op=0x407ffde0, rs=0x407fff50)
at /home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/result.c:642
#8  0x00002b4ae9f5e3b3 in bdb_search (op=0x407ffde0, rs=0x407fff50) at
/home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/back-bdb/search.c:928
#9  0x0000000000490a07 in overlay_op_walk (op=0x407ffde0, rs=0x407fff50,
which=op_search, oi=0x7f3100, on=0x0)
    at /home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/backover.c:646
#10 0x0000000000491473 in over_op_func (op=0x407ffde0, rs=0x2b4ae763ca50,
which=op_bind) at /home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/backover.c:698
#11 0x00002b4aea1903f9 in syncprov_findcsn (op=<value optimized out>,
mode=<value optimized out>)
    at /home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/overlays/syncprov.c:704
#12 0x00002b4aea191a7e in syncprov_db_otask (ptr=0x87b7e0) at
/home/devel/openldap/build-area/openldap-2.4.11/servers/slapd/overlays/syncprov.c:2672
#13 0x00002b4ae70d8fc7 in start_thread () from /lib/libpthread.so.0
#14 0x00002b4ae73bd5ad in clone () from /lib/libc.so.6
#15 0x0000000000000000 in ?? ()


Relevant part of slapd.conf:

moduleload      accesslog
overlay         accesslog
logdb           cn=log
logops          all

# Scan the accesslog DB every day
# Purge entries older than 7 days
logpurge        07+00:00 01+00:00
database        bdb
suffix          cn=log
directory       /var/lib/ldap/accesslog/

# Allow manager to read the Monitor information
access to dn.subtree="cn=log"
        by dn.exact="cn=Manager,dc=example,dc=com" read
        by * none