Re: wrong query results on bf leafhopper

Hi,

On 2025-05-19 12:49:26 +0930, Robins Tharakan wrote:
> Hi Andres,
>
> On Fri, 16 May 2025 at 22:49, Andres Freund <andres(at)anarazel(dot)de> wrote:
> >
> > There have been other odd things on leafhopper, see e.g.:
> >
> https://www.postgresql.org/message-id/35d87371-f3ab-42c8-9aac-bb39ab5bd987%40gmail.com
> > https://postgr.es/m/Z4npAKvchWzKfb_r%40paquier.xyz
> >
>
> Any chances this could be linked to the openssl bug [2] highlighted
> in this other hacker thread [1]? The postgres issue is quite unrelated,
> but the openssl bug seems non-trivial and may be good to rule out.
>
> To confirm, leafhopper is on Graviton4, uses openssl v3.2 and is
> compiled --with-openssl. I've been unable to triage the recent
> leafhopper failures myself and upgrading its openssl (to v3.3+)
> has been a pending task (just to rule it out).

I don't really see how it could conceivably be related, unless we are talking
about a general broken compiler issue or such.

Greetings,

Andres Freund