From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#25203: 25.1; crash during message, infinite recursion Date: Thu, 15 Dec 2016 11:11:38 -0500 Message-ID: References: <20161215000453.17313-1-htl10@users.sourceforge.net> <83fulp9oft.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1481818631 21406 195.159.176.226 (15 Dec 2016 16:17:11 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 15 Dec 2016 16:17:11 +0000 (UTC) Cc: htl10@users.sourceforge.net, Hin-Tak Leung , 25203@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Dec 15 17:17:02 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cHYiL-00043T-6u for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 15 Dec 2016 08:11:38 -0800 (PST) Original-Received: by 10.157.6.234 with HTTP; Thu, 15 Dec 2016 08:11:38 -0800 (PST) In-Reply-To: <83fulp9oft.fsf@gnu.org> X-Google-Sender-Auth: ojl279lQ8VGFZYtA2FqGgBEyD0E X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:127053 Archived-At: On Thu, Dec 15, 2016 at 10:55 AM, Eli Zaretskii wrote: > > If someone is going to argue that Lisp code should never crash Emacs, > then I can see the following alternatives: > > 1. Inhibit messages while calling pre-write-conversion. > 2. Signal an error when pre-write-conversion is called recursively. > > I think none of these is a good idea, as they disallow perfectly valid > use cases which don't hit this problem. The 2nd one is also error > prone in its na=C3=AFve implementation, and too complex IMO in non-na=C3= =AFve > ones. Shouldn't max-specdl or max-lisp-eval-depth be catching too deep recursive calls?