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When a non-exclusive backup is canceled, do_pg_abort_backup() is called and resets some variables set by pg_backup_start (pg_start_backup in v14 or before). But previously it forgot to reset the session state indicating whether a non-exclusive backup is in progress or not in this session. This issue could cause an assertion failure when the session running BASE_BACKUP is terminated after it executed pg_backup_start and pg_backup_stop (pg_stop_backup in v14 or before). Also it could cause a segmentation fault when pg_backup_stop is called after BASE_BACKUP in the same session is canceled. This commit fixes the issue by making do_pg_abort_backup reset that session state. Back-patch to all supported branches. Author: Fujii Masao Reviewed-by: Kyotaro Horiguchi, Masahiko Sawada, Michael Paquier, Robert Haas Discussion: https://postgr.es/m/3374718f-9fbf-a950-6d66-d973e027f44c@oss.nttdata.com |
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