Avoid memory leaks during base backups

When Who What
2022-10-22 10:25:54 Bharath Rupireddy (bharathrupireddy) Closed in commitfest 2022-11 with status: Committed
2022-10-22 10:25:50 Bharath Rupireddy (bharathrupireddy) Closed in commitfest 2022-11 with status: Committed
2022-10-21 06:19:02 Michael Paquier (michael-kun) Added michael-kun as committer
2022-10-14 21:56:31 Cary Huang (cary) Posted review with messageid <166578459132.772662.18106764223510349691.pgcf@coridan.postgresql.org>
2022-09-28 09:08:18 Bharath Rupireddy (bharathrupireddy) Changed authors to Bharath Rupireddy (bharathrupireddy)
2022-09-28 09:08:06 Bharath Rupireddy (bharathrupireddy) Attached mail thread CALj2ACXqvfKF2B0beQ=aJMdWnpNohmBPsRg=EDQj_6y1t2O8mQ@mail.gmail.com
2022-09-28 09:08:06 Bharath Rupireddy (bharathrupireddy) Created patch record