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From: Eli Zaretskii <eliz@gnu.org>
To: "Clément Pit-Claudel" <cpitclaudel@gmail.com>
Cc: 41232-done@debbugs.gnu.org
Subject: bug#41232: [PATCH] Avoid a segfault when processing disable-eval specs
Date: Wed, 13 May 2020 18:54:35 +0300	[thread overview]
Message-ID: <834ksj7rus.fsf@gnu.org> (raw)
In-Reply-To: <dbd41d66-3506-acda-1cae-eed61d55d3c9@gmail.com> (message from Clément Pit-Claudel on Wed, 13 May 2020 10:40:18 -0400)

> From: Clément Pit-Claudel <cpitclaudel@gmail.com>
> Date: Wed, 13 May 2020 10:40:18 -0400
> 
> The following code causes Emacs to segfault:
> 
>   (insert (propertize "A" 'display '(disable-eval . nil)))
> 
> This is due to this code, which takes an XCAR without checking whether the spec is a cons:
> 
>   /* Support (disable-eval PROP) which is used by enriched.el.  */
>   if (CONSP (spec) && EQ (XCAR (spec), Qdisable_eval))
>     {
>       enable_eval = false;
>       spec = XCAR (XCDR (spec));
>     }
> 
> The attached patch fixes this.

Thanks, installed.





      reply	other threads:[~2020-05-13 15:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-13 14:40 bug#41232: [PATCH] Avoid a segfault when processing disable-eval specs Clément Pit-Claudel
2020-05-13 15:54 ` Eli Zaretskii [this message]

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