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 13:37:44 -0400 Message-ID: References: <20190629.131734.877718102639559715.wl@gnu.org> <831rzch9nd.fsf@gnu.org> <83zhm0fuqg.fsf@gnu.org> <83ftnrf87e.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="7743"; 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 22:17:24 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 1hiPDN-0001C8-9W for geb-bug-gnu-emacs@m.gmane.org; Tue, 02 Jul 2019 22:17:21 +0200 Original-Received: from localhost ([::1]:56974 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiP6L-0006gf-Rz for geb-bug-gnu-emacs@m.gmane.org; Tue, 02 Jul 2019 16:10:05 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39432) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiMkB-0005V6-Bq for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 13:39:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hiMkA-0003Yw-7j for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 13:39:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:39021) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hiMkA-0003Xo-0H for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 13:39:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hiMk9-000838-MD for bug-gnu-emacs@gnu.org; Tue, 02 Jul 2019 13:39:01 -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 17:39:01 +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=B36431.156208908230864 (code B ref 36431); Tue, 02 Jul 2019 17:39:01 +0000 Original-Received: (at 36431) by debbugs.gnu.org; 2 Jul 2019 17:38:02 +0000 Original-Received: from localhost ([127.0.0.1]:47842 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hiMjB-00081f-Mm for submit@debbugs.gnu.org; Tue, 02 Jul 2019 13:38:01 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:21698) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hiMj7-00081M-RG for 36431@debbugs.gnu.org; Tue, 02 Jul 2019 13:38:00 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 422C1100A32; Tue, 2 Jul 2019 13:37:50 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 6F660100B4D; Tue, 2 Jul 2019 13:37:48 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1562089068; bh=1A5yO6CHsUYDm209Jd8SnReUPEY9F4I0jsR4KX1IHXg=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=pNphPGpseRpNPCFvSNYSpFGwP4RZrNWaoxqJkcmykHGgKXvjVLqxinli4vZyKjYBS WUFzi98fm1B4MDFmy2uB5n7Zo/B7YRwIrVO/VaCK9y/beBNs5TVdmAkNZoQQYPkCte s0ucl151w9n4mcNTeIK0voyIVfLGFzI22DS3XpZ9K9AGn5YrjhbDo0Pj3T8B+4lt8N 832rXRT6JRYYNy38PW/+nUCu3PaFVnkIF2MsuIt8KETFHn5gBXn+P+ZOCE0em8YwwP gTGL4gPulEgBt0vX7J9cqEmWghM3yE86LNl/q6Ud1/mR8lxM3K1Y7+Q2nzIAoJULVY +T3OF1Q3XZMqA== Original-Received: from pastel (76-10-151-214.dsl.teksavvy.com [76.10.151.214]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id E8CB3120BFC; Tue, 2 Jul 2019 13:37:47 -0400 (EDT) In-Reply-To: (Stefan Monnier's message of "Tue, 02 Jul 2019 13:22:22 -0400") 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:161986 Archived-At: > OK, I finally saw that we don't actually call set-buffer-multibyte but > instead we just set bset_enable_multibyte_characters. I'm beginning to > understand better. 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). Stefan