From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#61887: 30.0.50; Segfault on revert-buffer-with-coding-system Date: Wed, 01 Mar 2023 14:47:07 +0200 Message-ID: <83r0u8fxkk.fsf@gnu.org> References: <4118c770-78db-2174-b32f-5e328d55d58a@iki.fi> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7128"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 61887@debbugs.gnu.org To: Petteri Hintsanen , Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Mar 01 13:48:16 2023 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 1pXLsW-0001dQ-3Z for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 Mar 2023 13:48:16 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pXLsK-0005ai-6Z; Wed, 01 Mar 2023 07:48:04 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXLsI-0005aX-8i for bug-gnu-emacs@gnu.org; Wed, 01 Mar 2023 07:48:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pXLsI-0003Or-09 for bug-gnu-emacs@gnu.org; Wed, 01 Mar 2023 07:48:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pXLsH-0000Yq-ML for bug-gnu-emacs@gnu.org; Wed, 01 Mar 2023 07:48:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Mar 2023 12:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 61887 X-GNU-PR-Package: emacs Original-Received: via spool by 61887-submit@debbugs.gnu.org id=B61887.16776748231975 (code B ref 61887); Wed, 01 Mar 2023 12:48:01 +0000 Original-Received: (at 61887) by debbugs.gnu.org; 1 Mar 2023 12:47:03 +0000 Original-Received: from localhost ([127.0.0.1]:52947 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pXLrL-0000Vn-8s for submit@debbugs.gnu.org; Wed, 01 Mar 2023 07:47:03 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:54358) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pXLrJ-0000VI-9x for 61887@debbugs.gnu.org; Wed, 01 Mar 2023 07:47:01 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXLrD-00031G-1M; Wed, 01 Mar 2023 07:46:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=TeL9icgQ3Bs3m6rxMRVN8/ttxLXrQXjm9uhwEkjIWe8=; b=gark5KAWP8Ql srSgncw0d7x2lBnby1suX9Ajv3QTY0ykluv3x0rSSkcnWhS4ZU33+itUATFIyCccrATMAa86wWKGT gaGYD9EQ7GBGUWB4tNsVxvWMzYs2wKtjwNl0swkRK4aYWzqbTqFY6maY0p937xET0aaxXJR/a4FRE eyxzxylpjQlc1/o/WrVwaCA8Guo2ONSHabRQvxwxDcqorohP6Bra9QTFEU9et620Q80noLnxowAQ7 VPtv+29NAqSMx4WGpPNscQwa7/+qU6m7W92HUULm4WucgSUKwkKD+NrEs0OCyCHwvEZxbo//gHr43 ZdgmHvtPdw970Vre510q+Q==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXLrC-0002uG-GH; Wed, 01 Mar 2023 07:46:54 -0500 In-Reply-To: <4118c770-78db-2174-b32f-5e328d55d58a@iki.fi> (message from Petteri Hintsanen on Tue, 28 Feb 2023 23:48:18 +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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:257057 Archived-At: > Date: Tue, 28 Feb 2023 23:48:18 +0200 > From: Petteri Hintsanen > > After editing a binary file in nhexl-mode, calling > revert-buffer-with-coding-system crashed Emacs. This happened initially > on Emacs 28.2, but the current master branch crashes as well. > > Preparation: > > - Get nhexl-mode-1.5 from ELPA. > > - Create a test file "junk.dat" with: > > dd if=/dev/random of=junk.dat bs=1k count=5k > > or use any existing large binary file (5 MBs or more). > > Recipe: > > ./gdb --args emacs -Q > > In *scratch* buffer, type > > (add-to-list 'load-path "~/.emacs.d/elpa/nhexl-mode-1.5") > (require 'nhexl-mode) > > M-x eval-buffer > > M-x find-file-literally junk.dat > > M-x nhexl-mode RET > > M-x nhexl-mode RET > > C-x RET r utf-8 RET yes RET Thank you for your report. Stefan, can you please look into this? It sounds like nhexl-mode leaves an interval tree in the buffer which causes problems when reverting non-literally. (Maybe reverting non-literally after visiting literally, or vice versa, should dispose of all the intervals?)