From: Eli Zaretskii <eliz@gnu.org>
To: David Kastrup <dak@gnu.org>
Cc: eggert@cs.ucla.edu, monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] master 8ba156f: Attempt to avoid crashes in plist-member
Date: Tue, 13 Oct 2015 18:32:41 +0300 [thread overview]
Message-ID: <837fmqzsva.fsf@gnu.org> (raw)
In-Reply-To: <87zizm7qm3.fsf@fencepost.gnu.org>
> From: David Kastrup <dak@gnu.org>
> Cc: Paul Eggert <eggert@cs.ucla.edu>, monnier@iro.umontreal.ca, emacs-devel@gnu.org
> Date: Tue, 13 Oct 2015 17:08:52 +0200
>
> CONSP only checks some bits on a pointer. It does not verify that
> the pointer can be dereferenced into an existing cons cell. So there is
> absolutely no need to modify anything between having a true CONSP test
> and a crashing XCAR.
Yes, well... I didn't have such a serious calamity in mind.
next prev parent reply other threads:[~2015-10-13 15:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20151012170324.17966.77@vcs.savannah.gnu.org>
[not found] ` <E1ZlgVQ-0004gO-Em@vcs.savannah.gnu.org>
2015-10-13 1:07 ` [Emacs-diffs] master 8ba156f: Attempt to avoid crashes in plist-member Stefan Monnier
2015-10-13 2:42 ` Eli Zaretskii
2015-10-13 3:36 ` Paul Eggert
2015-10-13 14:58 ` Eli Zaretskii
2015-10-13 15:08 ` David Kastrup
2015-10-13 15:32 ` Eli Zaretskii [this message]
2015-10-13 15:50 ` David Kastrup
2015-10-13 15:21 ` Paul Eggert
2015-10-13 15:34 ` Eli Zaretskii
2015-10-13 19:05 ` Stefan Monnier
2015-10-13 8:00 ` Andreas Schwab
2015-10-13 15:01 ` Eli Zaretskii
2015-10-13 10:26 ` David Kastrup
2015-10-13 13:23 ` Stefan Monnier
2015-10-13 13:41 ` David Kastrup
2015-10-13 15:16 ` Eli Zaretskii
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