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Date: Tue, 14 Nov 2023 22:04:21 -0800
From: Andres Freund <andres@anarazel.de>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Richard Guo <guofenglinux@gmail.com>,
	PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: Assert failure on 'list_member_ptr(rel->joininfo, restrictinfo)'
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Hi,

On 2023-11-14 14:42:13 +0200, Alexander Korotkov wrote:
> It's possibly dumb option, but what about just removing the assert?

That's not at all an option - the in-place bms_* functions can free their
input. So a dangling pointer to the "old" version is a use-after-free waiting
to happen - you just need a query that actually gets to bitmapsets that are a
bit larger.

Greetings,

Andres