Re: Bug Report: PostgreSQL 16 crashes on ALTER USER CURRENT_USER WITH PASSWORD

Hello colleagues
this problem reproduced on one instance PostgreSQL 16.10 on
x86_64-pc-linux-gnu, compiled by gcc (GCC) 11.5.0 20240719 (Red Hat
11.5.0-5), 64-bit
with extensions
Name | Version | Schema |
Description
--------------------+---------+------------+-----------------------------------------------------------------------------------
adminpack | 2.1 | pg_catalog | administrative functions for
PostgreSQL
amcheck | 1.3 | public | functions for verifying
relation integrity
citus | 12.1-1 | pg_catalog | Citus distributed database
citus_columnar | 11.3-1 | pg_catalog | Citus Columnar extension
credcheck | 3.0.0 | public | credcheck - postgresql plain
text credential checker
dblink | 1.2 | public | connect to other PostgreSQL
databases from within a database
file_fdw | 1.0 | public | foreign-data wrapper for flat
file access
oracle_fdw | 1.2 | public | foreign data wrapper for
Oracle access
pageinspect | 1.11 | public | inspect the contents of
database pages at a low level
pg_stat_statements | 1.10 | public | track planning and execution
statistics of all SQL statements executed
pgstattuple | 1.5 | public | show tuple-level statistics
plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language
plpgsql_check | 2.7 | public | extended check for plpgsql
functions
postgres_fdw | 1.1 | public | foreign-data wrapper for
remote PostgreSQL servers
tablefunc | 1.0 | public | functions that manipulate
whole tables, including crosstab
tds_fdw | 2.0.3 | public | Foreign data wrapper for
querying a TDS database (Sybase or Microsoft SQL Server)
uuid-ossp | 1.1 | public | generate universally unique
identifiers (UUIDs)

shared_preload_libraries='citus,pg_stat_statements'

and on other Postgres instance
PostgreSQL 16.10 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 11.5.0
20240719 (Red Hat 11.5.0-5), 64-bit
with extensions
Name | Version | Schema |
Description
--------------------+---------+------------+-----------------------------------------------------------------------------------
adminpack | 2.1 | pg_catalog | administrative functions for
PostgreSQL
dblink | 1.2 | public | connect to other PostgreSQL
databases from within a database
file_fdw | 1.0 | public | foreign-data wrapper for flat
file access
oracle_fdw | 1.2 | public | foreign data wrapper for
Oracle access
pg_hint_plan | 1.6.0 | hint_plan |
pg_repack | 1.5.2 | public | Reorganize tables in
PostgreSQL databases with minimal locks
pg_stat_monitor | 2.1 | public | The pg_stat_monitor is a
PostgreSQL Query Performance Monitoring tool, based on PostgreSQL contr
pg_stat_statements | 1.10 | public | track planning and execution
statistics of all SQL statements executed
pgsentinel | 1.0 | public | active session history
plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language
plpgsql_check | 2.7 | public | extended check for plpgsql
functions
postgres_fdw | 1.1 | genesis2 | foreign-data wrapper for
remote PostgreSQL servers
tds_fdw | 2.0.3 | public | Foreign data wrapper for
querying a TDS database (Sybase or Microsoft SQL Server)

shared_preload_libraries='pg_stat_monitor,pg_stat_statements,pgsentinel,pg_squeeze,credcheck'

Best regards,
Andrii

On Wed, Jan 7, 2026 at 5:33 PM Srinath Reddy Sadipiralla <
srinath2133(at)gmail(dot)com> wrote:

> Hi
>
> On Wed, Jan 7, 2026 at 10:02 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
>
>>
>>
>> I can't reproduce that.
>>
>
> +1
>
> --
> Thanks,
> Srinath Reddy Sadipiralla
> EDB: https://www.enterprisedb.com/
>