Re: Security lessons from liblzma

From: Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Security lessons from liblzma
Date: 2024-04-08 18:34:39
Message-ID: CAOYmi+nYcvgxnFXY3tjWC=C34M0oeqH2F4nBou0T+9kxO+xhFw@mail.gmail.com
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On Fri, Apr 5, 2024 at 5:14 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
> Saying that, my spidey sense tingles at the recent commit
> 3311ea86edc7, that had the idea to introduce a 20k line output file
> based on a 378 line input file full of random URLs. In my experience,
> tests don't require to be that large to be useful, and the input data
> is very hard to parse.

That's a good point. I've proposed a patch over at [1] to shrink it
substantially.

--Jacob

[1] https://www.postgresql.org/message-id/CAOYmi%2B%3Dkx14ui_A__4L_XcFePSuUuR1kwJfUKxphuZU_i6%3DWpA%40mail.gmail.com

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