From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#41321: 27.0.91; Emacs aborts due to invalid pseudovector objects Date: Fri, 22 May 2020 13:54:02 +0300 Message-ID: <837dx444vp.fsf@gnu.org> References: <83zha8cgpi.fsf@gnu.org> <83r1vibmyj.fsf@gnu.org> <83imgublku.fsf@gnu.org> <831rncjuwf.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="89817"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 41321@debbugs.gnu.org, pipcet@gmail.com To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri May 22 12:55:16 2020 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 1jc5Ke-000NEf-2b for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 22 May 2020 12:55:16 +0200 Original-Received: from localhost ([::1]:40930 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jc5Kc-0002CE-UU for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 22 May 2020 06:55:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59736) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jc5KQ-00026g-1Z for bug-gnu-emacs@gnu.org; Fri, 22 May 2020 06:55:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46601) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jc5KP-0002VR-P1 for bug-gnu-emacs@gnu.org; Fri, 22 May 2020 06:55:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jc5KP-0008SW-Lm for bug-gnu-emacs@gnu.org; Fri, 22 May 2020 06:55:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 22 May 2020 10:55:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 41321 X-GNU-PR-Package: emacs Original-Received: via spool by 41321-submit@debbugs.gnu.org id=B41321.159014484832432 (code B ref 41321); Fri, 22 May 2020 10:55:01 +0000 Original-Received: (at 41321) by debbugs.gnu.org; 22 May 2020 10:54:08 +0000 Original-Received: from localhost ([127.0.0.1]:58147 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jc5JX-0008R2-SM for submit@debbugs.gnu.org; Fri, 22 May 2020 06:54:08 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:52276) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jc5JW-0008Qq-Ux for 41321@debbugs.gnu.org; Fri, 22 May 2020 06:54:07 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:40433) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jc5JR-0002QI-Kn; Fri, 22 May 2020 06:54:01 -0400 Original-Received: from [176.228.60.248] (port=3931 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jc5JP-0002Yk-Gt; Fri, 22 May 2020 06:54:01 -0400 In-Reply-To: <831rncjuwf.fsf@gnu.org> (message from Eli Zaretskii on Fri, 22 May 2020 10:22:56 +0300) 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:180743 Archived-At: > Date: Fri, 22 May 2020 10:22:56 +0300 > From: Eli Zaretskii > Cc: 41321@debbugs.gnu.org > > Since the previous call to before-change-functions already used the > same overlay markers, I suspect that the call to > before-change-functions caused the memory to be unmapped (perhaps due > to GC). FTR: I am now running the 27.0.91 pretest with the patch for bug#40661 applied. It's a long shot, since the problem here is not with pointers to buffer text, but I just want to be sure I didn't rediscover a complicated way to reproduce that bug ;-)