PJ41023: PJ40865 incorrectly used a STG to save the initial stack frame address into the four byte field CE3CMSTK.

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APAR status

  • Closed as program error.

Error description

  • See Problem Summary.
    

Local fix

  • na
    

Problem summary

  • APAR NUMBER:  PJ41023
    PRODUCT:  z/TPF
    FUNCTIONAL AREA:  DATA COLLECTION
    SHIPPED IN PUT:  10
    
    ABSTRACT:
    PJ40865 incorrectly used a STG to save the initial stack frame
    address into the four byte field CE3CMSTK.
    
    PACKAGE CONTENTS:
    Source Segments:
    (C) base/cp/chsz.cpy
    
    Object Only Binaries:
    None.
    
    Configuration Independent Binaries:
    None.
    
    Support Files:
    None.
    
    OTHER BINARIES TO BUILD: YES
    (C) <sys>/obj/ccnucl.o
    (C) <sys>/load/CPS0.so
    
    COMMENTS:
    Prior to PJ40865, CE3CMSTK could contain garbage possibly
    leading to a CTL-4 or CTL-1 in data collection code. PJ40865
    attempted to correct this problem by initializing CE3CMSTK to
    the initial stack frame address. However, a STG instruction was
    used to save the initial stack frame address into the four byte
    field CE3CMSTK. As a result, the CE3CMSTK field would be set to
    zero and the initial stack frame address saved into the first
    four bytes of the following reserved field CE3MRESVD. Even
    though PJ40865 was coded in error, it will prevent the possible
    CTL-4 and CTL-1 since it removes the possibility of CE3CMSTK
    having garbage in it.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PJ41023

  • Reported component name

    Z/TPF

  • Reported component ID

    5748T1501

  • Reported release

    110

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-03-15

  • Closed date

    2013-03-19

  • Last modified date

    2013-03-19

  • 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

    Z/TPF

  • Fixed component ID

    5748T1501

Applicable component levels

  • R110 PSY

       UP



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Document information


More support for:

TPF
z/TPF

Software version:

110

Reference #:

PJ41023

Modified date:

2013-03-19

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