Re: amcheck: detect corruption from the recent snapshot-export bug

From: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
To: Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>
Cc: pgsql-hackers mailing list <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: amcheck: detect corruption from the recent snapshot-export bug
Date: 2026-10-30 18:31:21
Message-ID: 19F564BF-81D7-437B-AADD-344D5DC816B2@yandex-team.ru
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Hi hackers,

On 6 Oct 2026, I wrote:
> In the attached v2 I moved it and its tests into
> 0001, so the first patch covers both invalid hints.

Is there any chance of backpatching 0001 from v2 in time for the
upcoming minor releases? I have observed this corruption in production,
and verify_heapam() still does not detect it.

Thank you!

Best regards, Andrey Borodin.

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