APAR status
Closed as program error.
Error description
The SIGSEGV is reported in a FDC with probe XC130004. The stack in the FDC contains the following (2 examples), or similar: zfu_as_AuthenticateUser zfuSetUserContext zfuUserCheckLdap zfuUserCheckLdapMain zfuLdapGetUserDn xcsFFST zfu_as_AuthenticateUser zfuVerifyLdapPw zfuVerifyLdapPwMain zfuLdapGetUserDn xcsFFST And also entries similar to these: /opt/mqm/lib64/amqzfud(chase_v3_referrals) /opt/mqm/lib64/amqzfud(look_for_referrals) /opt/mqm/lib64/amqzfud(ldap_return_one_msg)
Local fix
Problem summary
**************************************************************** USERS AFFECTED: Users of any queue manager where an AUTHINFO object has been configured to contact LDAP repositories for authentication and/or authorization checks. Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: The LDAP client code was using a null pointer during referral chasing, if connectivity to the LDAP servers was lost.
Problem conclusion
The LDAP client code has been corrected so it will not use a null pointer during referral chasing, if connectivity to the LDAP servers is lost. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v8.0 8.0.0.11 v9.0 LTS 9.0.0.6 v9.1 CD 9.1.2 v9.1 LTS 9.1.0.2 The latest available maintenance can be obtained from 'WebSphere MQ Recommended Fixes' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037 If the maintenance level is not yet available information on its planned availability can be found in 'WebSphere MQ Planned Maintenance Release Dates' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT24915
Reported component name
IBM MQ APPL M20
Reported component ID
5725Z0900
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
YesHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-05-01
Closed date
2018-12-03
Last modified date
2019-01-30
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
IBM MQ APPL M20
Fixed component ID
5725Z0900
Applicable component levels
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.0","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]
Document Information
Modified date:
30 January 2019