A fix is available
APAR status
Closed as program error.
Error description
Communications Server for AIX and Linux --------------------------------------- Crash in snahprip64
Local fix
Problem summary
* USERS AFFECTED: * All systems using Enterprise Extender. * * PROBLEM DESCRIPTION: * Crash in snahprip64. * Dump stack trace: * pvthread+001C00 STACK: * [04A9EE34]snahprip64:sna_hprip_vsi_send_ips+0000F0 (000080020 * 0008002, F10006000487FE00) * [04AAD538]snahprip64:sna_hprip_nba_send_ips+0002B0 (F1000600F * 1000600, 4000000000004000,F10006000487FE00, 0000000000000000, * F1000108419448) * [04AB3928]snahprip64:sna_hprip_nbm_free_buffer+00011C (F10006 * 000487FE00, F100010038419448) * [04ACA4C8]snahprip64:udp_destroy_proc+00002C (F10001003841944 * 8) * [04AAC74C]snahprip64:sna_hprip_nba_dispatch_destroy+0000B0 (F * 100010034025C58, F100010038419448) * [04AAC540]snahprip64:sna_hprip_nba_dispatch_process+0000E8 (F * 100010034025C58, F100010038419448) * [04AACC38]snahprip64:sna_hprip_nba_scheduler+000158 () * [04A9D7B8]snahprip64:sna_hprip_vsi_stream_uw_service+0002DC ( * F100060004E26120) * [041BA07C]pse:sq_wrapper+00015C (??) * [041A5358]pse:csq_run+000528 (??) * [041A4008]pse:csq_lateral+0000BC (??, ??, ??) * [041BA9F8]pse:scheduled_run+0000D0 () * [001F8430]Netintr+0001A0 () * [001F824C]netisr_thread+000014 () * [0016DA44]threadentry+000014 (??, ??, ??, ??) * * PROBLEM SUMMARY: * There is a very narrow window condition on a multiple-CPU * system that causes a piece of memory to be accessed after it * has been freed.
Problem conclusion
Code has been corrected to clear the reference to this memory buffer when it is released.
Temporary fix
snahprip64
Comments
APAR Information
APAR number
IZ81516
Reported component name
CS AIX V6.X
Reported component ID
5765E5100
Reported release
640
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-08-06
Closed date
2010-08-06
Last modified date
2010-11-12
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
CS AIX V6.X
Fixed component ID
5765E5100
Applicable component levels
R640 PSY U838611
10/11/12 I 1000
[{"Line of Business":{"code":"LOB35","label":"Mainframe SW"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSPQKF","label":"Communications Server for AIX"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"640"}]
Document Information
Modified date:
06 October 2021