Re: [BUG] PostgreSQL crashes with ThreadSanitizer during early initialization

From: Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Emmanuel Sibi <emmanuelsibi(dot)mec(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: [BUG] PostgreSQL crashes with ThreadSanitizer during early initialization
Date: 2025-11-05 15:59:51
Message-ID: CAOYmi+=uUcQReNL8C351vDYmD=C2VoGkoW7iuqYocTOLkeA=Zw@mail.gmail.com
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On Tue, Nov 4, 2025 at 5:19 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Hah, thanks for the research! For me, this stops the failure
> (on RHEL9 with clang version 19.1.7):

Awesome!

> Assuming that works for Emmanuel, we could wrap it in a
> pg_disable_sanitizer_instrumentation macro, or just use it
> as-is. I don't have a strong preference --- any thoughts?

No preference on my end. (If a second place to use it pops up, we
could wrap it then.)

--Jacob

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