BUG #18003: FATAL: cannot request additional shared memory outside shmem_request_hook

The following bug has been logged on the website:

Bug reference:      18003
Logged by:          khaled ghazy
Email address:      eng.khaledghazy@gmail.com
PostgreSQL version: 15.3
Operating system:   Red Hat Enterprise Linux 8
Description:

Jun 27 23:21:18 hq-pgsql-test01 postmaster[1491680]: 2023-06-27 23:21:18.874
EEST [1491680] LOG:  pgaudit extension initialized
Jun 27 23:21:18 hq-pgsql-test01 postmaster[1491680]: 2023-06-27 23:21:18.876
EEST [1491680] FATAL:  cannot request additional shared memory outside
shmem_request_hook
Jun 27 23:21:18 hq-pgsql-test01 postmaster[1491680]: 2023-06-27 23:21:18.876
EEST [1491680] LOG:  database system is shut down
Jun 27 23:21:18 hq-pgsql-test01 systemd[1]: postgresql-15.service: Main
process exited, code=exited, status=1/FAILURE
Jun 27 23:21:18 hq-pgsql-test01 systemd[1]: postgresql-15.service: Failed
with result 'exit-code'.
-- Subject: Unit failed
-- Defined-By: systemd
-- Support: https://access.redhat.com/support
--
-- The unit postgresql-15.service has entered the 'failed' state with result
'exit-code'.
Jun 27 23:21:18 hq-pgsql-test01 systemd[1]: Failed to start PostgreSQL 15
database server.
-- Subject: Unit postgresql-15.service has failed