From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: David Rowley <dgrowleyml@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@lists.postgresql.org>
Cc: zlabs-cstore@zohocorp.com <zlabs-cstore@zohocorp.com>
Cc: Jayesh Dehankar <jayesh.dp@zohocorp.com>
Subject: Re: [Bug] Heap Use After Free in Window Aggregate Execution
Date: Thu, 5 Dec 2024 18:08:08 +0100
Message-ID: <202412051708.s36od6xck3jm@alvherre.pgsql> (raw)
In-Reply-To: <193261e2c4d.3dd3cd7c1842.871636075166132237@zohocorp.com>
Hello,
Adding David Rowley in CC.
On 2024-Nov-13, Jayesh Dehankar wrote:
> We have discovered a bug in PostgreSQL v16.3 related to a top-level
> window aggregate with a partition-by clause. The issue occurs when the
> run condition fails, causing the window aggregate status to change
> from WINDOWAGG_RUN to WINDOWAGG_PASSTHROUGH_STRICT mode. The bug is
> present in the latest STABLE branch.
David, what do you think about this? The code in question was added by
your commits 9d9c02ccd1ae and a8583272218a, so I think you're the one
best prepared to handle this.
Thanks,
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
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To: pgsql-bugs@postgresql.org
Cc: alvherre@alvh.no-ip.org, dgrowleyml@gmail.com, pgsql-hackers@lists.postgresql.org, zlabs-cstore@zohocorp.com, jayesh.dp@zohocorp.com
Subject: Re: [Bug] Heap Use After Free in Window Aggregate Execution
In-Reply-To: <202412051708.s36od6xck3jm@alvherre.pgsql>
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