From: Alexander Korotkov <akorotkov@postgresql.org>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Fix oversized memory allocation in Parallel Hash Join
Date: Sun, 07 Jan 2024 07:33:07 +0000
Message-ID: <E1rMNed-000HsR-IE@gemulon.postgresql.org> (raw)
Fix oversized memory allocation in Parallel Hash Join
During the calculations of the maximum for the number of buckets, take into
account that later we round that to the next power of 2.
Reported-by: Karen Talarico
Bug: #16925
Discussion: https://postgr.es/m/16925-ec96d83529d0d629%40postgresql.org
Author: Thomas Munro, Andrei Lepikhov, Alexander Korotkov
Reviewed-by: Alena Rybakina
Backpatch-through: 12
Branch
------
REL_16_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/714a987bc1333121bb83415f764076c8e7e8d8fb
Modified Files
--------------
src/backend/executor/nodeHash.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-committers@postgresql.org
Cc: akorotkov@postgresql.org, pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Fix oversized memory allocation in Parallel Hash Join
In-Reply-To: <E1rMNed-000HsR-IE@gemulon.postgresql.org>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox