From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Newsgroups: gmane.emacs.bugs Subject: bug#68940: 29.2; Random crashes in face for char / font Date: Thu, 08 Feb 2024 08:31:49 +0100 Message-ID: References: <865xz1233w.fsf@gnu.org> <86wmrhznlq.fsf@gnu.org> <86sf25zgjx.fsf@gnu.org> <864jejxwa8.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37720"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: rvojta@me.com, 68940@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 08 08:33:24 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 1rXyuS-0009ct-7F for geb-bug-gnu-emacs@m.gmane-mx.org; 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[79.227.163.42]) by smtp.gmail.com with ESMTPSA id l16-20020a170906415000b00a3551f727d1sm1583711ejk.68.2024.02.07.23.31.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Feb 2024 23:31:50 -0800 (PST) In-Reply-To: <864jejxwa8.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 08 Feb 2024 09:14:23 +0200") 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:279605 Archived-At: Eli Zaretskii writes: >> From: Gerd M=C3=B6llmann >> Cc: 68940@debbugs.gnu.org, Eli Zaretskii >> Date: Thu, 08 Feb 2024 06:42:14 +0100 >>=20 >> Robert Vojta writes: >>=20 >> > 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, ... >>=20 >> 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. Maybe it would be worth upgrading to current LLVM? I think Robert mentioned he is using LLVM 15 from Apple, and LLVM from Homebrew is now at 17.0.6.