From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.devel Subject: Re: emacs-28 6d3608be88: Seccomp: improve support for newer versions of glibc (Bug#51073) Date: Mon, 24 Jan 2022 17:47:19 +0100 Message-ID: <87h79thyi0.fsf@gmail.com> References: <164286838577.8429.4021499312049157333@vcs2.savannah.gnu.org> <20220122161946.44098C0DA30@vcs2.savannah.gnu.org> <877daqq9kp.fsf@yahoo.com> <83v8y9jnvt.fsf@gnu.org> <874k5tp8c2.fsf@yahoo.com> <83pmohjloh.fsf@gnu.org> <87sftd5hcv.fsf@gnus.org> <83ilu9ji0m.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="4308"; mail-complaints-to="usenet@ciao.gmane.io" Cc: luangruo@yahoo.com, phst@google.com, Lars Ingebrigtsen , p.stephani2@gmail.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jan 24 17:50:07 2022 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 1nC2Xe-0000wk-Nu for ged-emacs-devel@m.gmane-mx.org; Mon, 24 Jan 2022 17:50:06 +0100 Original-Received: from localhost ([::1]:55024 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nC2Xd-00008c-5m for ged-emacs-devel@m.gmane-mx.org; Mon, 24 Jan 2022 11:50:05 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:48878) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nC2V4-0007E2-5R for emacs-devel@gnu.org; Mon, 24 Jan 2022 11:47:26 -0500 Original-Received: from [2a00:1450:4864:20::433] (port=35643 helo=mail-wr1-x433.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nC2V2-0003EF-5C; Mon, 24 Jan 2022 11:47:25 -0500 Original-Received: by mail-wr1-x433.google.com with SMTP id r14so14722257wrp.2; Mon, 24 Jan 2022 08:47:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:references:gmane-reply-to-list:date:in-reply-to :message-id:mime-version; bh=7g8tZ6jqcoQLLKFLK/71S+uDxuOLn4LieQ1h1hP1VJk=; b=ZbTEfq51DhKJE5yehXCYmtlHbBFjgq4lIzYDABCPXQqZ0VjvBGAUsgLrq6eA+/mbot Y+vRJ+1p2ObZXwbJ9M6jHWfrW2QrWw1uYEYo2vWTnmtWAaXJdh1EeOMpwLWUFOHR7HZ4 Psk341QyEb5L3qBhW+IOIF+s3EBL/HZSwKnUcTCebibkk+KspbB7ZLUecZmROjRtmPY4 uXIyW97+aFIohFhci2EhC9Uhu4TlA5qigBbjKoKN4YL73LJtpAqzx+Af/D5ooylnN0Cv pjbPtH6n0HssQBfkzf/2YXJFzxSdwBJGsHJ2cXxl8hwRTshWqJxGAAU+KyWCh4/4PAk5 1N4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:references :gmane-reply-to-list:date:in-reply-to:message-id:mime-version; bh=7g8tZ6jqcoQLLKFLK/71S+uDxuOLn4LieQ1h1hP1VJk=; b=PLrGJdNV+RlY3cW4BAYBypTZemT9vD702MBrTdg4S2ZTzNg+8AdHX8tAAB3P+5gv0I i+n2hWRvWKvNJpu3QaMM16HPHT+6uB6xswZctiraqNxYpje982PpmSJQKipExDKcfuYc rTyyhB86OQjV+l+bCx02+aVZpvUZYjlsMFzf0HhUd9tiw+q8bkyast+N9S02l6sxId1L YdhGDRfwkePpqe02kApLcEKfPVWyo70HvyYh7Qm/0B0wCuwy6pmYUYTTmccmm9VSmyc1 k3cEYdmVUEjBlhXYOZtBiimmIzjsAGm5wVkXJd7rD43hA3KQX2gpoLicpozCq8PkMXas oHqg== X-Gm-Message-State: AOAM532HBymdimmKU9gg/iyCvaL/b9QZuQ5PfYvKsn6bS+KE996MwSCC HPqmxxLJDJAoWm03bKsq7AuVAXG48TY= X-Google-Smtp-Source: ABdhPJzaGrLhUcxZk3vAUxxS1Hy7BKhe2/cSSImpwDqj0zqZDrYjsViK3Xj3HXLSkDMuVwYvvpZAag== X-Received: by 2002:adf:904d:: with SMTP id h71mr14747302wrh.569.1643042841710; Mon, 24 Jan 2022 08:47:21 -0800 (PST) Original-Received: from rltb ([2a01:e0a:3f3:fb50:a6d6:4dbf:6222:ecda]) by smtp.gmail.com with ESMTPSA id a9sm15247163wmm.32.2022.01.24.08.47.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jan 2022 08:47:20 -0800 (PST) Gmane-Reply-To-List: yes In-Reply-To: <83ilu9ji0m.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 24 Jan 2022 17:00:25 +0200") X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::433 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=rpluim@gmail.com; helo=mail-wr1-x433.google.com X-Spam_score_int: -2 X-Spam_score: -0.3 X-Spam_bar: / X-Spam_report: (-0.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, FREEMAIL_REPLY=1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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" Xref: news.gmane.io gmane.emacs.devel:285318 Archived-At: >>>>> On Mon, 24 Jan 2022 17:00:25 +0200, Eli Zaretskii said: >> From: Lars Ingebrigtsen >> Date: Mon, 24 Jan 2022 15:38:24 +0100 >> Cc: Po Lu , phst@google.com, p.stephani2@gmail.com, >> emacs-devel@gnu.org >> >> Eli Zaretskii writes: >> >> >> It apparently leads to crashes when Emacs is run under seccomp with a >> >> recent glibc version. >> > >> > That can happen any day, if glibc folks make some change we didn't >> > know about. We cannot chase glibc development forever, we will never >> > succeed catching up with them, certainly not in the long run. >> >> But this is a known glibc issue, and crashes aren't fun, so I think the >> seccomp change was warranted on the release branch. Eli> It is very worrisome that a change in glibc can break Emacs like that. Eli> I wonder what it means for the maintainability of Emacs in the long Eli> run. I have a bad feeling about this. We can always default the seccomp support to off. Robert --