GNU bug report logs - #45198
28.0.50; Sandbox mode

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: bzg <at> gnu.org, 45198 <at> debbugs.gnu.org, joaotavora <at> gmail.com
Subject: bug#45198: 28.0.50; Sandbox mode
Date: Sat, 12 Dec 2020 21:48:39 +0200

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Date: Sat, 12 Dec 2020 13:01:04 -0500
> Cc: Bastien <bzg <at> gnu.org>,
>  João Távora <joaotavora <at> gmail.com>
> 
>  static void
>  redisplay_internal (void)
>  {
> +  /* Not sure if it's important to avoid redisplay inside a sandbox,
> +     but it seems safer to avoid risking introducing security holes via
> +     image libraries and such.  */
> +  ensure_no_sandbox ();

You cannot usefully call error from redisplay.

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