Re: DSA refcnt overflow in pg_stat/could not attach to dynamic shared area

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>

To: 李园园 <summer.li.yuan@qq.com>

Cc: pgsql-bugs <pgsql-bugs@lists.postgresql.org>

Date: 2025-04-24T07:05:59Z

Lists: pgsql-bugs

On Thu, Apr 24, 2025 at 02:04:59PM +0800, 李园园 wrote:
> Our issue is very similar to this  https://www.postgresql.org/message-id/ZnuprZeVZd2X_MOD%40paquier.xyz
> Could you confirm which PostgreSQL 15.x minor version includes the
> fix for this issue? We rely on RPM packages and are unable to apply
> manual patches. Looking forward to your reply. Thank you!"
> 
> 
> 1. PostgreSQL 版本: 15.6
> 2. OS: RHEL8.10&nbsp;&nbsp;
> 3. ERROR LOGS:
> 2025-04-24&nbsp; 03:41:32 55000: could not attach to dynamic shared area

Yes, that looks like the same issue.  15.6 has been released in
February 2024, and the fix on REL_15_STABLE is eb144dfcafdd, meaning
that it would be in at least 15.8.
--
Michael