PH17029: PROTECT LE SOCKET API TO GET UNEXPECTED FIXED POINT OVERFLOW.

APAR status

• Closed as program error.

Error description

• TCP/IP LE SOCKET API phase $EDCTCPV may get a unexpected fixed
  point overflow exception on an SLA (shift left) instruction.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of the LE Socket API.                  *
  ****************************************************************
  * PROBLEM DESCRIPTION: TCP/IP LE SOCKET API phase $EDCTCPV     *
  *                      may get a unexpected fixed point        *
  *                      overflow exception on an SLA (shift     *
  *                      left) instruction in recv() function.   *
  ****************************************************************
  * RECOMMENDATION: Install the PTF.                             *
  ****************************************************************
  When a routine sets on the FPO mask bit in the PSW, later C
  code can fail on normal processing.
  

Problem conclusion

• Fix program mask bits in PSW to protect LE socket API.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  UI65405

Modules/Macros

• IPNAUTIL IPNDBGLE IPNTCPLE
  

Fix information

• Fixed component name

  TCP/IP FOR Z/VS

• Fixed component ID

  5686CS100

Applicable component levels

• RFTP PSY UI65405

     UP19/11/07 I 1000