A fix is available
APAR status
Closed as program error.
Error description
The problem occurs when a client submits a request with a header length of exactly 16060 bytes. The plug-in has a buffer of exactly that size and when it tries to get one more item into that buffer, the length goes negative and that leads to the overlay.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Any user of the WebSphere Application * * Server for z/OS Plugin that runs with * * the HTTP Server for z/OS v5.3 who may * * have request headers greater than * * 16,159 bytes. * * * **************************************************************** * PROBLEM DESCRIPTION: Customer encounters an ABEND0C4 when * * a request header of 16,159+ bytes is * * passed from the HTTP Server for z/OS * * v5.3. * * * **************************************************************** * RECOMMENDATION: * **************************************************************** A request header of 16,159+ bytes causes a negative number to put into a counter when that counter is used later a memory overlay occurs which causes the ABEND0C4.
Problem conclusion
Changed the code of the WebSphere Application Server for z/OS Plugin that runs with the HTTP Server for z/OS v5.3 so that request headers of 16,159+ bytes are handled correctly. APAR PM08129 is currently targeted for inclusion in Service Level (Fix Pack) 7.0.0.9 of WebSphere Application Server V7.0. Please refer to URL: //www.ibm.com/support/docview.wss?rs=404&uid=swg27006970 for Fix Pack availability.
Temporary fix
Comments
APAR Information
APAR number
PM08129
Reported component name
WEBSPHERE FOR Z
Reported component ID
5655I3500
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-02-19
Closed date
2010-03-11
Last modified date
2010-04-03
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
BBGUBINF BBOUBINF
Fix information
Fixed component name
WEBSPHERE FOR Z
Fixed component ID
5655I3500
Applicable component levels
R700 PSY UK55155
UP10/03/26 P F003
Fix is available
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Document Information
Modified date:
10 February 2022