Re: Bug plperl.c

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Mark Murawski <markm-lists(at)intellasoft(dot)net>
Cc: pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: Bug plperl.c
Date: 2022-02-22 19:48:22
Message-ID: 821293.1645559302@sss.pgh.pa.us
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Mark Murawski <markm-lists(at)intellasoft(dot)net> writes:
> Affects Versions: 12 (and probably all others)
> Steps to Reproduce:
> - Run a query during plperl validation -- ie: inside a warn handler
> 2022-02-22 12:17:04 EST -  -  -  - 12950 -  - 0 - LOG:  server process
> (PID 19702) was terminated by signal 11: Segmentation fault

I couldn't reproduce this, either in HEAD or 12.10. However, maybe
there's something faulty about your example, because in my hands it
doesn't seem that plperl_spi_exec is reached at all.

If we do need to do something here, my inclination would be to
reject execution of any SPI operations during validation. That's
not a case that's supposed to have any side-effects.

regards, tom lane

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