PTF Cover Letter
PTF ( Program Temporary Fixes ) Cover letter
LIC-COMM-OTHER Recv Fail ECONNRESET When Connection Shutdown
Pre/Co-Requisite PTF / Fix List
REQ LICENSED PTF/FIX LEVEL
TYPE PROGRAM RELEASE NUMBER MIN/MAX OPTION
---- -------- --------- ------- ------- ------
CO 5770999 V7R4M0 MF67004 00/00 0000
NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels. This PTF may be a prerequisite
for future PTFs. By applying this PTF you authorize and agree to the
foregoing.
This PTF is subject to the terms of the 'IBM License Agreement for Machine
Code', the terms of which were provided in a printed document that was
delivered with the machine.
SUBJECT TO ANY WARRANTIES WHICH CAN NOT BE EXCLUDED OR EXCEPT AS EXPLICITLY
AGREED TO IN THE APPLICABLE LICENSE AGREEMENT OR AN APPLICABLE SUPPORT
AGREEMENT, IBM MAKES NO WARRANTIES OR CONDITIONS EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.
APAR Error Description / Circumvention
-----------------------------------------------
Socket receive APIs fail with errno ECONNRESET after both sides
of a connection shutdown.
CORRECTION FOR APAR MA49605 :
-----------------------------
The code path was updated so that socket receive APIs return
zero, indicating end of file, when a connection is shutdown
cleanly. If a connection is unexpectedly reset by the remote
side, the receive API will still fail with errno set to
ECONNRESET.
CIRCUMVENTION FOR APAR MA49605 :
--------------------------------
None.
Activation Instructions
None.
Special Instructions
None.
Default Instructions
THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.
Supersedes
PTF/FIX NO(S). APAR TITLE LINE
-------------- ------------------------------------------------------------
MF68906 TCPIP-OTHER-UNPRED SK-P EVENTS FLOOD THE QUEUE PROCESSED BY
MF68511 LIC-COMM-TCPIP RST FOR INCOMING DATA ON CLOSED SOCKET WITH D
MF67397 LIC-COMM-OTHER-INCORROUT-NETSTAT DETAILS "CURRENTLY ESTABLIS
MF67002 LIC-COMM-TCPIP QoS Enabled Memory Leak on TCP Listening Sock
Summary Information
System.............................. i
Models..............................
Release............................. V7R4M0
Licensed Program.................... 5770999
APAR Fixed.......................... View details for APAR MA49605
Superseded by:...................... View fix details for PTF MF69956
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... NONE
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Modified date:
23 May 2022