Re: Rare SSL failures on eelpout

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От Thomas Munro
Тема Re: Rare SSL failures on eelpout
Дата
Msg-id CA+hUKGKb=1FJadFhzQCMWbt14e0gJfM+TpXFEbf=kH2fsHQxBg@mail.gmail.com
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Ответ на Re: Rare SSL failures on eelpout  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Rare SSL failures on eelpout
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On Wed, Mar 6, 2019 at 9:21 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Thomas Munro <thomas.munro@gmail.com> writes:
> > Bleugh.  I think this OpenSSL package might just be buggy on ARM.  On
> > x86, apparently the same version of OpenSSL and all other details of
> > the test the same, I can see that SSL_connect() returns <= 0
> > (failure), and then we ask for that cert revoked message directly and
> > never even reach the startup packet sending code.  On ARM,
> > SSL_connect() returns 1 (success) and then we proceed as discussed and
> > eventually get the error later (or not).  So I think I should figure
> > out a minimal repro and report this to them.
>
> Yeah, I've still been unable to reproduce even with the sleep idea,
> so eelpout is definitely looking like a special snowflake from here.
> In any case, there seems little doubt that getting past SSL_connect()
> when the cert check has failed is an OpenSSL bug; I don't feel a need
> to create a workaround for it.

I was wrong: it breaks on an x86 system for me too (either with the
sleep, or with clunky scheduling, I was running psql under strace when
I saw it).  Not sure what I did wrong last time I tried that.  I
opened a bug report with OpenSSL, let's see what they say:

https://github.com/openssl/openssl/issues/8500

-- 
Thomas Munro
https://enterprisedb.com


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