No,  052 abends are issued by service routines for PCAUTH services.
VSMLOC is not a PCAUTH service. and its service routine does not
issue 052 abends.

Jim Mulder z/OS Diagnosis, Design, Development, Test  IBM Corp. 
Poughkeepsie NY

> From: Binyamin Dissen <>
> Date: 08/08/2017 04:16 AM
> Subject: Re: Various 052 abends with LINKAGE=SYSTEM calls in SRB
> Sent by: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU>
> On Mon, 7 Aug 2017 21:30:08 -0400 Jim Mulder <> wrote:
> :>    It should not be possible to get a 052 abend from VSMLOC,
> :>unless some rogue code on your system has messed with the
> :>System Function Table so that the wrong PC number is being issued,
> :>or some rogue code on your system has messes with the Entry Table 
> :>for the VSMLOC PC so that something other than the VSMLOC service
> :>routine is being invoked by the VSMLOC PC.
> Or if a routine requiring primary mode is not called in primary mode?

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