From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#46586: 26.3, 27.1.50; Emacs crash in a backtrace (core) dump (a long standing issue) Date: Thu, 18 Feb 2021 15:45:01 +0100 Message-ID: <874ki9zb82.fsf@igel.home> References: <83im6q7ka2.fsf@gnu.org> <83k0r55umg.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22590"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1.91 (gnu/linux) Cc: 46586@debbugs.gnu.org, =?UTF-8?Q?=E8=B7=AF=E5=AE=A2?= , Stefan Monnier To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 18 15:46:27 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 1lCkZV-0005iX-MK for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Feb 2021 15:46:25 +0100 Original-Received: from localhost ([::1]:60010 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lCkZU-0003Ru-IS for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Feb 2021 09:46:24 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60828) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lCkZ9-0003PP-7S for bug-gnu-emacs@gnu.org; Thu, 18 Feb 2021 09:46:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:34950) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lCkZ8-0003BC-AO for bug-gnu-emacs@gnu.org; Thu, 18 Feb 2021 09:46:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lCkZ8-0008Q8-6p for bug-gnu-emacs@gnu.org; Thu, 18 Feb 2021 09:46:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Feb 2021 14:46:02 +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=B46586.161365950632296 (code B ref 46586); Thu, 18 Feb 2021 14:46:02 +0000 Original-Received: (at 46586) by debbugs.gnu.org; 18 Feb 2021 14:45:06 +0000 Original-Received: from localhost ([127.0.0.1]:46496 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lCkYE-0008Op-FI for submit@debbugs.gnu.org; Thu, 18 Feb 2021 09:45:06 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.10]:35797) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lCkYC-0008Oh-RN for 46586@debbugs.gnu.org; Thu, 18 Feb 2021 09:45:05 -0500 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4DhHYV5qvXz1rtZ9; Thu, 18 Feb 2021 15:45:02 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4DhHYV3Mgxz1sP7T; Thu, 18 Feb 2021 15:45:02 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id jdqs0YubMkyM; Thu, 18 Feb 2021 15:45:01 +0100 (CET) X-Auth-Info: LNUuR/kuhyYk2O3gxAzUNq4nqy/dr1eViyN41lSZZz+6wiZv6eQ1XeK61XVMT29M Original-Received: from igel.home (ppp-46-244-187-212.dynamic.mnet-online.de [46.244.187.212]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Thu, 18 Feb 2021 15:45:01 +0100 (CET) Original-Received: by igel.home (Postfix, from userid 1000) id 506E42C3200; Thu, 18 Feb 2021 15:45:01 +0100 (CET) X-Yow: Didn't I buy a 1951 Packard from you last March in Cairo? In-Reply-To: <83k0r55umg.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 18 Feb 2021 16:16:23 +0200") 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:200260 Archived-At: On Feb 18 2021, Eli Zaretskii wrote: > Does anyone see how to stop this infinite recursion, except by > counting recursive invocation levels and bailing out at some arbitrary > depth? Shouldn't the subst->seen list prevent recursion? Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."