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: Finalizing 'inhibit-automatic-native-compilation' Date: Mon, 13 Feb 2023 18:04:42 -0500 Message-ID: References: <837cx8cey0.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11583"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Eli Zaretskii , emacs-devel@gnu.org, Lars Ingebrigtsen , Rob Browning To: Andrea Corallo Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Feb 14 00:05:40 2023 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 1pRhtD-0002qU-TQ for ged-emacs-devel@m.gmane-mx.org; Tue, 14 Feb 2023 00:05:40 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRhsS-000459-25; Mon, 13 Feb 2023 18:04:52 -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 1pRhsP-00043w-65 for emacs-devel@gnu.org; Mon, 13 Feb 2023 18:04:50 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pRhsN-0004DM-0i; Mon, 13 Feb 2023 18:04:48 -0500 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 26775442267; Mon, 13 Feb 2023 18:04:45 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id D0143442260; Mon, 13 Feb 2023 18:04:43 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1676329483; bh=stCb8/scgndQnl9Vk0WGd7Yq9bQrAdqs+NqYt+cUZk8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=FRhRJPmdjOJ2cOi1qzRTvoXkOG9M34PyDcM8CxzME03HNJffPXNfdLbFrRu5g3g5f rHMn8GKw36NkLbiQjo0sxCS+nl2+jWLcWCuWYlr+h4rD20D/tlN5P1Qmom8OTyXNoM TuXCJKWWjckjO/TuGlAxBngJkx3GCiXZgJ/tzYvQEeIjwhbIBVr7IxrqKbFzkLK3w6 OoB9UzSvaNGg/svvPSB4cYeg/rzsZAJwo+A4/1T8ImM5QpX8dRnsjZdmj51yYf1M1D mG9c8MvCkvVv3Pb3Z1+3yHeiaMOszVtiTkDz/mUcTsGwV0E0gDDqHnB6zuX2Gvib5b SjsPab5YL1JgQ== Original-Received: from pastel (unknown [216.154.32.202]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 9B9B712308F; Mon, 13 Feb 2023 18:04:43 -0500 (EST) In-Reply-To: (Andrea Corallo's message of "Mon, 13 Feb 2023 21:53:56 +0000") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca 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: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:303246 Archived-At: > Mmmh, we already use the `make-temp-file' machinery anyway for every > compilation, but to understand if this is sufficient or doesn't help at > all, I should understand more on why using `temporary-file-directory' is > dangerous and in which context. `temporary-file-directory' may point to a world-writable directory, so it's vulnerable to the usual race condition where someone manages to predict the name of the file you're going to write and places there a symlink to some "interesting" place, so you end up overwriting some other file unwittingly. Stefan