From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: exclusion@gmail.com
Subject: BUG #18657: Using JSON_OBJECTAGG with volatile function leads to segfault
Date: Tue, 15 Oct 2024 11:00:01 +0000
Message-ID: <18657-1b90ccce2b16bdb8@postgresql.org> (raw)
The following bug has been logged on the website:
Bug reference: 18657
Logged by: Alexander Lakhin
Email address: exclusion@gmail.com
PostgreSQL version: 17.0
Operating system: Ubuntu 22.04
Description:
The following query:
SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b': random() RETURNING text) FORMAT
JSON);
triggers a server crash with the following stack trace:
Core was generated by `postgres: law regression [local] SELECT
'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x000055b54914ee1b in ExecBuildAggTrans (...) at execExpr.c:3514
3514 expr_setup_walker((Node *)
pertrans->aggref->aggdirectargs,
(gdb) bt
#0 0x000055b54914ee1b in ExecBuildAggTrans (...) at execExpr.c:3514
#1 0x000055b549180ee9 in ExecInitAgg (...) at nodeAgg.c:4017
#2 0x000055b54916eb13 in ExecInitNode (...) at execProcnode.c:341
#3 0x000055b549162d3f in InitPlan (...) at execMain.c:968
#4 0x000055b549162732 in standard_ExecutorStart (...) at execMain.c:263
#5 0x000055b54916245a in ExecutorStart (...) at execMain.c:139
#6 0x000055b549411063 in PortalStart (...) at pquery.c:517
#7 0x000055b54940d172 in exec_simple_query (
query_string=0x55b54b3f4430 "SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b':
random() RETURNING text) FORMAT JSON);") at postgres.c:1239
(gdb) p pertrans->aggref
$1 = (Aggref *) 0x0
First bad commit for this anomaly is b6e1157e7.
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-bugs@postgresql.org
Cc: noreply@postgresql.org, pgsql-bugs@lists.postgresql.org, exclusion@gmail.com
Subject: Re: BUG #18657: Using JSON_OBJECTAGG with volatile function leads to segfault
In-Reply-To: <18657-1b90ccce2b16bdb8@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