From: Tom Lane <tgl@sss.pgh.pa.us>
To: nicolas.maus@bertelsmann.de
Cc: Alexander Korotkov <aekorotkov@gmail.com>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #18692: Segmentation fault when extending a varchar column with a gist index with custom signal length
Date: Wed, 06 Nov 2024 12:08:53 -0500
Message-ID: <3261639.1730912933@sss.pgh.pa.us> (raw)
In-Reply-To: <18692-72ea398df3ec6712@postgresql.org>
References: <18692-72ea398df3ec6712@postgresql.org>
PG Bug reporting form <noreply@postgresql.org> writes:
> When extending a varchar column with a gist index with a custom signal
> length the Postgres server crashes with a segmentation fault.
What this shows is that CompareOpclassOptions has never been tested
at all except with null inputs. It's trying to call array_eq
without providing an FmgrInfo.
regards, tom lane
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To: pgsql-bugs@postgresql.org
Cc: tgl@sss.pgh.pa.us, nicolas.maus@bertelsmann.de, aekorotkov@gmail.com, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #18692: Segmentation fault when extending a varchar column with a gist index with custom signal length
In-Reply-To: <3261639.1730912933@sss.pgh.pa.us>
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