Fix read/write races with pg_control file in case when postgres was compiled with DEXEC_BACKEND option

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ID 6040
Title Fix read/write races with pg_control file in case when postgres was compiled with DEXEC_BACKEND option
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 1, First patch: +32−1, All patches: +32−1
Topic Bug Fixes
Tags Bugfix
Created 2025-09-08 06:40:03
Last modified 2026-01-08 01:43:50 (7 hours ago)
Latest email 2025-11-14 13:15:10 (1 month ago)
Status
PG19-Final (2026-03-01 – 2026-03-31): Needs review
PG19-3 (2025-11-01 – 2025-11-30): Moved to different CF
Target version 19
Authors Maksim Melnikov (manaldush)
Reviewers Become reviewer
Committer
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Emails
Incorrect checksum in control file with pg_rewind test
First at 2025-09-04 15:18:30 by "Maksim.Melnikov" <m.melnikov at postgrespro.ru>
Latest at 2025-11-14 13:15:10 by Ivan Kovmir <ivan.kovmir at cybertec.at>
Latest attachment (v1-0001-Try-to-handle-torn-reads-of-pg_control-in-sub-pos.patch) at 2025-09-04 15:18:30 from "Maksim.Melnikov" <m.melnikov at postgrespro.ru>
    Attachment (v1-0001-Try-to-handle-torn-reads-of-pg_control-in-sub-pos.patch) at 2025-09-04 15:18:30 from "Maksim.Melnikov" <m.melnikov at postgrespro.ru> (Patch: Yes)
History
When Who What
2026-01-08 01:43:50 Michael Paquier (michael-kun) Moved from CF PG19-3 to CF PG19-Final
2025-09-08 06:40:04 Maksim Melnikov (manaldush) Attached mail thread f59335a4-83ff-438a-a30e-7cf2200276b6@postgrespro.ru
2025-09-08 06:40:03 Maksim Melnikov (manaldush) Created patch record
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