Package: slapd
Version: 2.3.39-1
Severity: important
I've been running the same setup for a while - a master (x86_64) and two
syncrepl clients (x86_32): After some recent updates to the system,
I discovered this failure on both x86_(32|64)... It prevents package
updates from working, and destroys the ability to backup the local
databases.
$slapcat -b'dc=cobpli,dc=svl,dc=ibm,dc=com' -f /etc/ldap/ldif/slapcat.ldif
...
filter_free: unknown filter type=48
*** glibc detected *** slapcat: double free or corruption (out):
0x00000000007a0e80 ***
======= Backtrace: =========
/lib/libc.so.6[0x2b632376afca]
/lib/libc.so.6(cfree+0x8c)[0x2b632376eb5c]
slapcat(filter_free+0x3b)[0x42f48b]
slapcat(acl_free+0x14)[0x44c1f4]
slapcat(acl_destroy+0x1f)[0x44c34f]
slapcat(backend_destroy_one+0x175)[0x4368c5]
slapcat(backend_destroy+0x1a)[0x43696a]
slapcat(slap_destroy+0x41)[0x4518d1]
slapcat(slap_tool_destroy+0x1d)[0x47e67d]
slapcat(slapcat+0x29c)[0x47e62c]
slapcat(main+0xa4)[0x417de4]
/lib/libc.so.6(__libc_start_main+0xf4)[0x2b63237151c4]
slapcat[0x417a29]
After much digging, I discovered the culprit:
$cat /etc/ldap/fwd.ibm_bluepages
database ldap
suffix "ou=bluepages,o=ibm.com"
directory /var/lib/ldap/bluepages
...
#
# Allow anyone to read the data locally
access to
dn.subtree="ou=bluepages,o=ibm.com"
by * read
...
# Cache the most common request form locally for improved performance
overlay pcache
proxycache bdb 10000 1 50 100
proxyattrset 0 mail
proxytemplate (&(objectClass=)(mail=)) 0 86400
directory /var/lib/ldap/bluepages
Commenting out the pcache overlay related entries does allow the slapcat
to continue... I think, but can not ensure that I've run slapcat since
adding the pcache overlay.
-- System Information:
Debian Release: lenny/sid
APT prefers testing-proposed-updates
APT policy: (500, 'testing-proposed-updates'), (500, 'proposed-updates'),
(500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.23.11 (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages slapd depends on:
ii adduser 3.105 add and remove users and groups
ii coreutils 5.97-5.6 The GNU core utilities
ii debconf [debconf-2.0] 1.5.17 Debian configuration management sy
ii libc6 2.7-5 GNU C Library: Shared libraries
ii libdb4.2 4.2.52+dfsg-4 Berkeley v4.2 Database Libraries [
ii libiodbc2 3.52.6-1 iODBC Driver Manager
ii libldap-2.3-0 2.3.39-1 OpenLDAP libraries
ii libltdl3 1.5.24-2 A system independent dlopen wrappe
ii libperl5.8 5.8.8-12 Shared Perl library
ii libsasl2-2 2.1.22.dfsg1-16 Cyrus SASL - authentication abstra
ii libslp1 1.2.1-7.1 OpenSLP libraries
ii libssl0.9.8 0.9.8g-3 SSL shared libraries
ii libwrap0 7.6.dbs-14 Wietse Venema's TCP wrappers libra
ii perl [libmime-base64-per 5.8.8-12 Larry Wall's Practical Extraction
ii psmisc 22.6-1 Utilities that use the proc filesy
Versions of packages slapd recommends:
ii libsasl2-modules 2.1.22.dfsg1-16 Cyrus SASL - pluggable authenticat
-- debconf information excluded
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