Date: Thu, 4 Nov 2021 11:53:57 -0500
From: Justin Pryzby <pryzby@telsasoft.com>
To: Andreas Seltenreich <andreas.seltenreich@credativ.de>
Cc: pgsql-hackers@postgresql.org,
	Jaime Casanova <jcasanov@systemguards.com.ec>
Subject: Re: [sqlsmith] Failed assertion in brin_minmax_multi_distance_float4
 on REL_14_STABLE
Message-ID: <20211104165357.GU17618@telsasoft.com>
References: <87r1bw9ukm.fsf@credativ.de>
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On Thu, Nov 04, 2021 at 09:46:49AM +0100, Andreas Seltenreich wrote:
> sqlsmith triggers the following assertion when testing REL_14_STABLE:
> 
>     TRAP: FailedAssertion("a1 <= a2", File: "brin_minmax_multi.c", Line: 1879, PID: 631814)
> 
> I can reproduce it with the following query on a fresh regression
> database:
> 
>     insert into public.brintest_multi (float4col) values (real 'nan');
> 
> The branch was at f6162c020c while testing, backtrace below.

I couldn't reproduce this, but it reminds me of this one, which we also had
trouble reproducing.

https://www.postgresql.org/message-id/flat/20210913004447.GA17931%40ahch-to

Could you send a "bt full" ?

> (gdb) bt

-- 
Justin