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#54501: Segfault on recursive structure Date: Sat, 26 Mar 2022 21:00:48 +0300 Message-ID: <83r16oa90v.fsf@gnu.org> References: <839D376A-2234-4A2A-AB7E-DCCB3D6CB149@acm.org> <87tubkd67h.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11758"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mattiase@acm.org, 54501@debbugs.gnu.org, schwab@linux-m68k.org, monnier@iro.umontreal.ca, goldipox@mail.com To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Mar 26 19:02:14 2022 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 1nYAjt-0002pw-Sv for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 26 Mar 2022 19:02:14 +0100 Original-Received: from localhost ([::1]:50174 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nYAjs-0002fP-8k for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 26 Mar 2022 14:02:12 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:45522) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nYAji-0002fC-Gp for bug-gnu-emacs@gnu.org; Sat, 26 Mar 2022 14:02:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:60758) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nYAji-0002jd-7V for bug-gnu-emacs@gnu.org; Sat, 26 Mar 2022 14:02:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nYAji-00007z-3N for bug-gnu-emacs@gnu.org; Sat, 26 Mar 2022 14:02:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 26 Mar 2022 18:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54501 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 54501-submit@debbugs.gnu.org id=B54501.1648317664425 (code B ref 54501); Sat, 26 Mar 2022 18:02:02 +0000 Original-Received: (at 54501) by debbugs.gnu.org; 26 Mar 2022 18:01:04 +0000 Original-Received: from localhost ([127.0.0.1]:54655 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nYAih-00006K-Hs for submit@debbugs.gnu.org; Sat, 26 Mar 2022 14:01:03 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:57542) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nYAif-000067-GJ for 54501@debbugs.gnu.org; Sat, 26 Mar 2022 14:00:58 -0400 Original-Received: from [2001:470:142:3::e] (port=58602 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nYAiZ-0002YL-A6; Sat, 26 Mar 2022 14:00:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=pf4mEBrvbvaVa4Ed3s+fM/UJZgdo2wB5YG77gKFe61A=; b=kp6YhiarCTKhQ3uZ268i X2iH9yJlbhzX/TYefkUMwtbFa/l86w2IzqA0bEZ/1sDSF46b4J+ZcxLHFXJCUE32uIIumm4jwsOI2 kBp47ksAsGsWA6GMRW3JDHWD7XD95IZXhbVa88kJOEc354IPvv2ALPiL/kD9adrXQzs4zr0PrWyFw hMWbAINDBKIBtRminBYq0fvITPt/RHByTZmQwNunoxY3wUrZ4AKLgzi+/wmcTZrjcdlFKJ4u4Bhkn dDdkg56y48igYXLLeKGpRwahgz8OQAKFGf1mgb6kb/Eb/sm89J3k4r6O4CF6xPXxoAUJ1jR9XL9+4 eZeyW2XrAljFWw==; Original-Received: from [87.69.77.57] (port=2067 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 1nYAiY-0005Xl-My; Sat, 26 Mar 2022 14:00:51 -0400 In-Reply-To: <87tubkd67h.fsf@gnus.org> (message from Lars Ingebrigtsen on Sat, 26 Mar 2022 17:33:22 +0100) 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" Xref: news.gmane.io gmane.emacs.bugs:228982 Archived-At: > From: Lars Ingebrigtsen > Cc: Andy Gaynor , 54501@debbugs.gnu.org, Stefan Monnier > , Andreas Schwab , Eli > Zaretskii > Date: Sat, 26 Mar 2022 17:33:22 +0100 > > Mattias Engdegård writes: > > > The patch fixes the #0=#0# nonsense as well since it's a trivial > > check. > > Thanks; seems to work perfectly. > > Do you think this is safe enough to go on the release branch? > > This isn't a regression (Emacs has segfaulted on the #0=[#1=(#0# . #1#)] > as far back as I have Emacs versions), so I'd tend toward thinking it's > not vital enough to install on the release branch, but perhaps Eli has a > different opinion. Eli? I think we shouldn't install this on the release branch, it's too risky, and the original problem has been with us forever, or thereabouts.