From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#36431: Crash in marker.c:337 Date: Tue, 02 Jul 2019 13:55:26 -0400 Message-ID: References: <20190629.131734.877718102639559715.wl@gnu.org> <831rzch9nd.fsf@gnu.org> <83zhm0fuqg.fsf@gnu.org> <83ftnrf87e.fsf@gnu.org> <83tvc4cozg.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="191456"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 36431@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jul 02 21:56:42 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 1hiOtN-000nhn-Op for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 02 Jul 2019 13:56:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 02 Jul 2019 17:56:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36431 X-GNU-PR-Package: emacs Original-Received: via spool by 36431-submit@debbugs.gnu.org id=B36431.156209013632561 (code B ref 36431); Tue, 02 Jul 2019 17:56:02 +0000 Original-Received: (at 36431) by debbugs.gnu.org; 2 Jul 2019 17:55:36 +0000 Original-Received: from localhost ([127.0.0.1]:47880 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hiN0C-0008T7-JJ for submit@debbugs.gnu.org; Tue, 02 Jul 2019 13:55:36 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:10621) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hiN0B-0008St-8a for 36431@debbugs.gnu.org; Tue, 02 Jul 2019 13:55:35 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 28FDF100B3B; Tue, 2 Jul 2019 13:55:29 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id EECFE1009BB; Tue, 2 Jul 2019 13:55:27 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1562090128; bh=FZuWYVKiojycsN+kQxgtPPsUCKG6oGn5XLYhtjrPypk=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=HZ9zW3148tg6dZMis1swsGAsJ7AiY9FRkrORQ8rOksx8M8YBAkzPHIhrZnBSlcwtG zrIOMB3ud8jyvgEXtk1dM55YgFasQsjWqofWYN9GPyLe9/+dSS5Vje44Av1pyiFQ8Z +tGqwpyPGz0rVoWOnyleceCIIGUjPvW8o9bnC0c6LdZyLHsbTzJHagIuDpxWHn3RYT GKKeET9hAJLgfu6Ag9UWE1RH15S9DR4sqQYSlDtEry0n0wpTOhchHTeif8Gw8PpeTJ JTVgHncQq3BSS+56GtXKZwFF6y00uE0nmUEpK2IaXhngfAo6bkkh9YEOv9gupvBxYh zGiXDDxUBKsGQ== Original-Received: from pastel (76-10-151-214.dsl.teksavvy.com [76.10.151.214]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id C1BD51205E0; Tue, 2 Jul 2019 13:55:27 -0400 (EDT) In-Reply-To: <83tvc4cozg.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 02 Jul 2019 20:42:27 +0300") 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:161981 Archived-At: >> Alright, so here one way to make this "transient" inconsistent state >> escape its transientness (should it be "transienticity"?) and crash Emacs: >> >> (catch 'toto >> (let ((set-auto-coding-function (lambda (rest _) (throw 'toto nil)))) >> (erase-buffer) >> (insert-file-contents "~/tmp/foo-c3c3.txt"))) >> >> where `~/tmp/foo-c3c3.txt` is a file that contains some invalid >> utf-8 byte sequence (in my case I used two bytes C3 together). > You are saying that decide_coding_unwind should do a better job? Not sure yet. In any case, it's a rather contrived situation. Stefan