From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#46586: 26.3, 27.1.50; Emacs crash in a backtrace (core) dump (a long standing issue) Date: Wed, 17 Feb 2021 18:04:37 +0200 Message-ID: <83im6q7ka2.fsf@gnu.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3260"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 46586@debbugs.gnu.org To: =?UTF-8?Q?=E8=B7=AF=E5=AE=A2?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Feb 17 17:05:14 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lCPKD-0000j1-2f for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 17 Feb 2021 17:05:13 +0100 Original-Received: from localhost ([::1]:54308 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lCPKC-0001YO-5k for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 17 Feb 2021 11:05:12 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52846) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lCPK3-0001Xa-LM for bug-gnu-emacs@gnu.org; Wed, 17 Feb 2021 11:05:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33214) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lCPK2-0007F0-Nm for bug-gnu-emacs@gnu.org; Wed, 17 Feb 2021 11:05:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lCPK2-0005hd-JV for bug-gnu-emacs@gnu.org; Wed, 17 Feb 2021 11:05:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 17 Feb 2021 16:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 46586 X-GNU-PR-Package: emacs Original-Received: via spool by 46586-submit@debbugs.gnu.org id=B46586.161357787721886 (code B ref 46586); Wed, 17 Feb 2021 16:05:02 +0000 Original-Received: (at 46586) by debbugs.gnu.org; 17 Feb 2021 16:04:37 +0000 Original-Received: from localhost ([127.0.0.1]:44760 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lCPJc-0005gw-KW for submit@debbugs.gnu.org; Wed, 17 Feb 2021 11:04:36 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:34852) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lCPJa-0005gj-1O for 46586@debbugs.gnu.org; Wed, 17 Feb 2021 11:04:35 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:49118) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lCPJU-00074I-Sf; Wed, 17 Feb 2021 11:04:28 -0500 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1527 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lCPJT-00041J-38; Wed, 17 Feb 2021 11:04:27 -0500 In-Reply-To: (message from =?UTF-8?Q?=E8=B7=AF=E5=AE=A2?= on Wed, 17 Feb 2021 18:13:56 +0800) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:200203 Archived-At: > From: 路客 > Date: Wed, 17 Feb 2021 18:13:56 +0800 > > ----- code begin ----- > (#1=(#("000008964 .gnus.el" 0 18 (r #1#)) > (def #2=#("000008964 .gnus.el" 0 18 > (r > (#2# > (def #3=#("000006393 .gnus.el" 0 18 > (r #4=(#3# > (def > #("000006393 .gnus.el" 0 18 (r #4#)) "x"))))"x"))))"x"))) > ----- code end ----- > > Try to `read' or `eval' this block of code (C-x C-e) will immediately > crash Emacs 26.3 or 27.1.50; however, older Emacs 26.0.50 works well > by entering the debugger with an error like: It's an infinite recursion in substitute_object_recurse, called by lread--substitute-object-in-subtree.