[bug]: Seg fault on CLI after PostgreSQL CDR module fails to load for a second time

[chrsmj]

Severity

Minor

Versions

20.8.0

Components/Modules

cdr_pgsql

Operating Environment

Debian 12

Frequency of Occurrence

Constant

Issue Description

Steps to reproduce:

1. Make sure loading of cdr_pgsql is failing eg. mv /etc/asterisk/cdr_pgsql.conf /etc/asterisk/cdr_pgsql.conf.bkup
2. On the Asterisk CLI, attempt to load the module ie. "module load cdr_pgsql.so"
3. Assuming the module failed to load, try loading it again. You should see a cli.c WARNING about Command '(null)' already registered.
4. Type the first part of a command on the CLI and press Tab key eg. "core" then Tab. boom

Relevant log output

[2024-05-16 12:55:37] NOTICE[6302] loader.c: Unloading module 'cdr_pgsql' that previously declined to load
[2024-05-16 12:55:37] WARNING[6302] cli.c: Command '(null)' already registered (the same ast_cli_entry)
[2024-05-16 12:55:37] WARNING[6302] cdr_pgsql.c: Unable to load config for PostgreSQL CDR's: cdr_pgsql.conf

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