A fix is available
APAR status
Closed as program error.
Error description
Abend 0C4 when Syslogd attempts to zero a pointer that has been freed.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * * All users of the IBM Communications Server * * for z/OS Version 2 Release(s) 1 IP: SYSLOGD * **************************************************************** * PROBLEM DESCRIPTION: * * Abend S0C4 occurs after a Modify * * SYSLOGD,Restart command. * **************************************************************** * RECOMMENDATION: * * Please check our Communications Server for z/OS homepages * * for common networking tips and fixes. The URL for these * * homepages can be found in Informational APAR II11334. * **************************************************************** During restart processing, all the of storage for the file rules are freed. It is possible for this heap storage to be freemained. During archive initialization for the new configuration, the file system control blocks for the previous configuration are freed. Including resetting a pointer in the rules control block. This reference to freed storage may overlay storage or abend if it is freemained
Problem conclusion
SYSLOGD is amended to free the previous configuration file system control blocks before the previous rule control blocks are freed preventing storage overlays and abends. EZASLOGD (SYSLOGD ) EZASLOGD (SYSLOGD )
Temporary fix
Comments
APAR Information
APAR number
PM94558
Reported component name
TCP/IP V3 MVS
Reported component ID
5655HAL00
Reported release
210
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2013-08-06
Closed date
2013-08-27
Last modified date
2013-10-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UK96998 UK96999 UK97267 UK97289 UK97566
Modules/Macros
EZASYARC EZASLOGD
Fix information
Fixed component name
TCP/IP V3 MVS
Fixed component ID
5655HAL00
Applicable component levels
R210 PSY UK97566
UP13/09/25 P F309
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG19M","label":"APARs - z\/OS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"210","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSCY4DZ","label":"DO NOT USE"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"210","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
04 October 2013