From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#24911: 25.1; Emacs hangs or crashes on use of read syntax for circular objects in IELM Date: Thu, 10 Nov 2016 18:30:53 +0200 Message-ID: <837f8bfgaq.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1478798827 28477 195.159.176.226 (10 Nov 2016 17:27:07 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 10 Nov 2016 17:27:07 +0000 (UTC) Cc: 24911@debbugs.gnu.org To: Gemini Lasswell Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Nov 10 18:27:00 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 1c4t7e-0004wN-TN for geb-bug-gnu-emacs@m.gmane.org; Thu, 10 Nov 2016 18:26:47 +0100 Original-Received: from localhost ([::1]:47836 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c4t7h-00078l-U9 for geb-bug-gnu-emacs@m.gmane.org; Thu, 10 Nov 2016 12:26:49 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42038) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c4sFj-0004kY-H3 for bug-gnu-emacs@gnu.org; Thu, 10 Nov 2016 11:31:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c4sFi-0003nu-Jd for bug-gnu-emacs@gnu.org; Thu, 10 Nov 2016 11:31:03 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:37070) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1c4sFi-0003nq-Gt for bug-gnu-emacs@gnu.org; Thu, 10 Nov 2016 11:31:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1c4sFi-0000Wh-Bb for bug-gnu-emacs@gnu.org; Thu, 10 Nov 2016 11:31:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 10 Nov 2016 16:31:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24911 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 24911-submit@debbugs.gnu.org id=B24911.14787954612016 (code B ref 24911); Thu, 10 Nov 2016 16:31:02 +0000 Original-Received: (at 24911) by debbugs.gnu.org; 10 Nov 2016 16:31:01 +0000 Original-Received: from localhost ([127.0.0.1]:52469 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1c4sFh-0000WS-3L for submit@debbugs.gnu.org; Thu, 10 Nov 2016 11:31:01 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:51029) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1c4sFf-0000WF-LQ for 24911@debbugs.gnu.org; Thu, 10 Nov 2016 11:30:59 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c4sFX-0003kx-FZ for 24911@debbugs.gnu.org; Thu, 10 Nov 2016 11:30:54 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:45196) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c4sFX-0003ks-Cs; Thu, 10 Nov 2016 11:30:51 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4771 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1c4sFW-0007bK-LP; Thu, 10 Nov 2016 11:30:51 -0500 In-reply-to: (message from Gemini Lasswell on Wed, 09 Nov 2016 12:03:47 -0800) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:125558 Archived-At: > From: Gemini Lasswell > Date: Wed, 09 Nov 2016 12:03:47 -0800 > > Typing an example from the "Read Syntax for Circular Objects" section of > the manual into IELM can cause Emacs to hang or crash. I can reproduce > this fairly consistently with an Emacs built from master on my machine. It > took me several tries, but I was also able to reproduce it with the Emacs > 25.1 installed by homebrew. Here are the steps: > > emacs -Q > M-x ielm RET > #1=(a #1#) RET > C-p C-p RET > > Result: (on OS X) rainbow spinning mouse cursor, unresponsive Emacs I get an error when I type the first line at IELM prompt: *** Eval error *** Symbol’s function definition is void: a