A fix is available
APAR status
Closed as program error.
Error description
When compiling with OPT(2) and VECTOR(AUTOSIMD), a strncpy() function call is invalid. The issue occurs when n=0, and n is not a literal value. In some cases, the initial 16-bytes of the destination location are overwritten incorrectly.
Local fix
use ARCH(10), NOOPT, or VECTOR(NOAUTOSIMD)
Problem summary
**************************************************************** * USERS AFFECTED: Users of strncpy() with n=0, when n isn't a * * literal value, with the following compiler * * options: ARCH(11) and up, OPT(2) and up, * * and VECTOR(AUTOSIMD) * **************************************************************** * PROBLEM DESCRIPTION: When n=0, where n isn't a literal * * value, the initial 16-bytes of * * destination location on the strncpy() * * might get clobbered, when ARCH(11) and * * up, OPT(2) and up, and * * VECTOR(AUTOSIMD) * * options are used. * **************************************************************** * RECOMMENDATION: install the PTF * **************************************************************** .
Problem conclusion
corrected the issue with the compiler
Temporary fix
Comments
APAR Information
APAR number
PH06947
Reported component name
C/C++ FOR MVS
Reported component ID
56551210A
Reported release
7B0
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-01-07
Closed date
2019-06-03
Last modified date
2019-07-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI63377
Modules/Macros
CCNECICS CCNECWI CCNED230 CCNEDSCT CCNEDWRT CCNEFILT CCNEHIFC CCNEIPA3 CCNEIPAO CCNEMDEP CCNEOPTP CCNEP CCNEPP CCNETBY CCNMSGE CCNMSGT CCNPDF23 CCNPDF24 CCNPDF25 CCNQIPA
Fix information
Fixed component name
C/C++ FOR MVS
Fixed component ID
56551210A
Applicable component levels
R7B0 PSY UI63377
UP19/06/28 P F906
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
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Document Information
Modified date:
15 August 2024