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Re: BUG #19480: PL/Python SRF crashes (SIGSEGV) when function is replaced mid-iteration: use-after-free in PLy_funct

Melanie Plageman <melanieplageman@gmail.com>

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From: Melanie Plageman <melanieplageman@gmail.com>
To: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: Matheus Alcantara <matheusssilv97@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, adoros@starfishstorage.com, pgsql-bugs@lists.postgresql.org, rmt@lists.postgresql.org
Date: 2026-06-17T15:43:43Z
Lists: pgsql-bugs 
On Wed, Jun 17, 2026 at 11:30 AM Heikki Linnakangas <hlinnaka@iki.fi> wrote:
>
> It's fine to still sneak it into v19. It's better to have it earlier,
> even if it means more churn during beta period.
>
> I haven't looked closely at the patch, but since it's a bug fix it would
> make sense to backpatch. If we're uncomfortable with backpatching it
> now, we could commit in master now, and backpatch later when we have
> more confidence.

Agreed.

- Melanie

Commits

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  1. plpython: Use funccache.c infrastructure for procedure caching.