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From: Daniel Gustafsson <[email protected]>
To: Ayush Tiwari <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: [BUG] Race in online checksums launcher_exit()
Date: Sun, 19 Apr 2026 22:17:08 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAJTYsWWg6tFrdMhWs5PkwESTNeeUUsMuY17O4UmPPh771c3stA@mail.gmail.com>
References: <CAJTYsWWg6tFrdMhWs5PkwESTNeeUUsMuY17O4UmPPh771c3stA@mail.gmail.com>

> On 19 Apr 2026, at 22:09, Ayush Tiwari <[email protected]> wrote:
> 
> Hi hackers,
> 
> While using the pg_enable_data_checksums() feature, I found a likely bug, a race condition in  datachecksum_state.c's launcher_exit().

Thanks for your report.  Tomas and I have worked over the past couple of days
on a fixup series due to a rare race condition which was found after extensive
longrunning testing.  While hacking on that we identified what I believe is the
same bug you found and we have a fix for that, the patchset will be shared very
shortly (we am literally putting the final touches on it as I write this).
I'll compare notes and will if applicable incorporate your patch into it.

--
Daniel Gustafsson

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