From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: arc-mode.el bug or malformed ZIP file? Date: Mon, 28 Sep 2020 13:08:31 -0400 Message-ID: References: <875z846q89.fsf@rub.de> <875z83vt86.fsf@gmx.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2766"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Stephen Berman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Sep 28 19:09:57 2020 Return-path: Envelope-to: ged-emacs-devel@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 1kMwez-0000cT-Ox for ged-emacs-devel@m.gmane-mx.org; Mon, 28 Sep 2020 19:09:57 +0200 Original-Received: from localhost ([::1]:42250 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kMwey-00015K-RI for ged-emacs-devel@m.gmane-mx.org; Mon, 28 Sep 2020 13:09:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44238) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMwdi-000060-FB for emacs-devel@gnu.org; Mon, 28 Sep 2020 13:08:39 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:37695) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMwdf-00058R-U6 for emacs-devel@gnu.org; Mon, 28 Sep 2020 13:08:37 -0400 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 4AC50441331; Mon, 28 Sep 2020 13:08:34 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 12DEB44132E; Mon, 28 Sep 2020 13:08:33 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1601312913; bh=4zwcGZeu86HeKYGb2mSkc+1WhV0AS430CbqgFeou+CY=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=o6XLv124yrYa0YhiWphv+O8PEjancemUBTZVh8y+2ZeUHvL68bNdXTaTl+v0XaL4U k7lHXHjWSTT3d8j9djti0VpFFCb9ipTlWVUm/9FYJcaNR8/4KmBJZQ0ryn59bDVhWo WdLtUScXMrgHltgfxYOekm0pgX+cEc693Qx1+Yok0DuiHBn9APFYOx9rTIYa/OGmg5 gZLIfQlxQx8SWDxkHUIRoGt56CB+9rMnzmx96Ha23QRDkRkde738ufjmqMdwnYhQVJ 9htlqEo1CKE9iQygjIFSdoL6Dvvak/CCMsjWrkObAiVuV4WTy6fso4QAzqNNh76Vhq wwiJWM3JHIUiA== Original-Received: from alfajor (unknown [45.72.232.131]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id BEB0D1204E8; Mon, 28 Sep 2020 13:08:32 -0400 (EDT) In-Reply-To: <875z83vt86.fsf@gmx.net> (Stephen Berman's message of "Thu, 24 Sep 2020 22:02:17 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/28 12:57:02 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:256621 Archived-At: >>> undamaged). So at least unzip can deal with this file. So is this a >>> bug in arc-mode.el? >> Probably. Could be a new file format, for instance (e.g. maybe the old >> format understood by arc-mode.el is limited to 2GB sizes or something >> like that?). > The size can't be the reason for the failure: the ZIP file whose I'm not saying it's because of the size, but because of a change of format (and this new format was introduced because of size limits in the old format). Eli just installed a patch a few days ago which seems to confirm my suspicion: commit f31c6792ab98c8be343838f59d96e35c05353521 (emacs-27) Author: Eli Zaretskii Date: Fri Sep 25 17:11:11 2020 +0300 Fix support for Zip64 zip files * lisp/arc-mode.el (archive-zip-summarize): Fix detection of Zip64 central directory. Support 64-bit file size field used by Zip64. (Bug#43597) -- Stefan