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#68940: 29.2; Random crashes in face for char / font Date: Thu, 08 Feb 2024 09:14:23 +0200 Message-ID: <864jejxwa8.fsf@gnu.org> References: <865xz1233w.fsf@gnu.org> <86wmrhznlq.fsf@gnu.org> <86sf25zgjx.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29551"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 68940@debbugs.gnu.org, rvojta@me.com To: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 08 08:15:09 2024 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 1rXycn-0007QM-67 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 08 Feb 2024 08:15:09 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rXycU-00083R-66; Thu, 08 Feb 2024 02:14:50 -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 1rXycS-00082a-Js for bug-gnu-emacs@gnu.org; Thu, 08 Feb 2024 02:14:48 -0500 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rXycS-0002oA-CJ for bug-gnu-emacs@gnu.org; Thu, 08 Feb 2024 02:14:48 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rXycg-0002ER-HX for bug-gnu-emacs@gnu.org; Thu, 08 Feb 2024 02:15:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 08 Feb 2024 07:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 68940 X-GNU-PR-Package: emacs Original-Received: via spool by 68940-submit@debbugs.gnu.org id=B68940.17073764898536 (code B ref 68940); Thu, 08 Feb 2024 07:15:02 +0000 Original-Received: (at 68940) by debbugs.gnu.org; 8 Feb 2024 07:14:49 +0000 Original-Received: from localhost ([127.0.0.1]:58869 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rXycT-0002DY-65 for submit@debbugs.gnu.org; Thu, 08 Feb 2024 02:14:49 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41016) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rXycP-0002DH-OP for 68940@debbugs.gnu.org; Thu, 08 Feb 2024 02:14:46 -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 1rXyc6-0002nD-4b; Thu, 08 Feb 2024 02:14:26 -0500 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=pmY3RHfHE9rYhJfum5HNyt7tYwJ7XU7AblcRquERAlM=; b=Vo6XlOAM5I69kCcuxbEq 6/19ouNGrQ4whtCRPC8b3uctsk7Amhn/WS/CLpKMXqIxsZ8VxTt2HmScad3waMHgCDX/Fhw2tTOdF 92liEP7+UaXbdYB0kDjaHcHTVmTkldkoLo0sGcWZ9p5Q51uVP5TUY/ah/TupQcD/1vzCBhYWUwZTJ Fuj4Xq6zwp+yXVv3TrD8HD/n26yXcQ5vIXL14H8BmBygkVESQwZLWwyIYoGE1dukxIkb6PdXzJdAu kC0EFdnXf4VUKIBd6MCYCBkLHuqzdV9+TLwrEJYRSMYbn3/MoEeelyhW+mdkvHF1b68oRsL66uqtG IPiFbBYK8rPARw==; In-Reply-To: (message from Gerd =?UTF-8?Q?M=C3=B6llmann?= on Thu, 08 Feb 2024 06:42:14 +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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:279604 Archived-At: > From: Gerd Möllmann > Cc: 68940@debbugs.gnu.org, Eli Zaretskii > Date: Thu, 08 Feb 2024 06:42:14 +0100 > > Robert Vojta writes: > > > Address sanitizer gave me ... > > > > https://gist.github.com/zrzka/3506322a8e4e63fc6b323a48faad8f64 > > > > ... heap user after free in "Automatic GC". When this happened, Emacs > > was showing the mentioned init file load error, and weird character. > > > > Don't know if it's related to my initial issue, if the problem is the > > timer & kill, ... > > I can't make sense of what is happening here: A marker M is created from > Lisp (point-marker), and later GC'd. So far so good, and nrmal, but some > later GC then finds M in a member of struct buffer. No idea how that's > possible. Exactly my thoughts. I suspect that it could be a bug in the address sanitizer, perhaps triggered by our quite unique memory management.