From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#7496: 23.2; copy recursive keymap cause crash Date: Mon, 14 Oct 2019 09:09:14 +0300 Message-ID: <83v9srkgdx.fsf@gnu.org> References: <871v67o9ns.fsf@nagi.lyrical.homelinux.net> <874l0dh2e2.fsf@gnus.org> <83zhi5ku7n.fsf@gnu.org> <87blukbkbk.fsf@gnus.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="69685"; mail-complaints-to="usenet@blaine.gmane.org" Cc: larsi@gnus.org, ari@mbf.ocn.ne.jp, monnier@iro.umontreal.ca, 7496@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 14 08:10:12 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iJtYa-000I1x-0t for geb-bug-gnu-emacs@m.gmane.org; Mon, 14 Oct 2019 08:10:12 +0200 Original-Received: from localhost ([::1]:44888 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJtYY-00071b-CM for geb-bug-gnu-emacs@m.gmane.org; Mon, 14 Oct 2019 02:10:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36753) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJtYS-00071T-TW for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:10:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iJtYR-0000xI-VU for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:10:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:57164) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iJtYR-0000ww-3E for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:10:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iJtYQ-00075w-P9 for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:10:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 14 Oct 2019 06:10:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7496 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: fixed Original-Received: via spool by 7496-submit@debbugs.gnu.org id=B7496.157103337127225 (code B ref 7496); Mon, 14 Oct 2019 06:10:02 +0000 Original-Received: (at 7496) by debbugs.gnu.org; 14 Oct 2019 06:09:31 +0000 Original-Received: from localhost ([127.0.0.1]:37752 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iJtXv-000753-0p for submit@debbugs.gnu.org; Mon, 14 Oct 2019 02:09:31 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:55832) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iJtXt-00074r-Je for 7496@debbugs.gnu.org; Mon, 14 Oct 2019 02:09:29 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46990) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iJtXn-0000i3-B0; Mon, 14 Oct 2019 02:09:23 -0400 Original-Received: from [176.228.60.248] (port=2705 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iJtXk-0005eu-FX; Mon, 14 Oct 2019 02:09:23 -0400 In-reply-to: (message from Drew Adams on Sun, 13 Oct 2019 21:38:06 +0000 (UTC)) 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: 209.51.188.43 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:169210 Archived-At: > Date: Sun, 13 Oct 2019 21:38:06 +0000 (UTC) > From: Drew Adams > Cc: ari@mbf.ocn.ne.jp, monnier@iro.umontreal.ca, 7496@debbugs.gnu.org > > > It's easy to reproduce, though: Just eval this form and Emacs will > > segfault (if it's older than yesterday's): > > > > (let ((map (make-sparse-keymap))) > > (define-key map " " map) > > (copy-keymap map)) > > FWIW, on MS Windows, Emacs 26.3, emacs -Q hangs if I > do that, after showing this message in the echo area: > > Re-entering top level after C stack overflow. > > Have to kill the process with the Task Manager. Thanks for testing. So the stack overflow protection does kick in.