From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#21380: 25.0.50; GTK-induced segfault when scheduling timer from window-configuration-change-hook Date: Fri, 29 Apr 2022 21:44:43 +0800 Message-ID: <87zgk4uhpw.fsf@yahoo.com> References: <83mvx8252m.fsf@gnu.org> <83k2sc20k6.fsf@gnu.org> <83h9ng1ryx.fsf@gnu.org> <83a8t71qct.fsf@gnu.org> <83fv2ychbg.fsf@gnu.org> <838u8qcenv.fsf@gnu.org> <55E69F07.9060006@gmx.at> <83a8t18gdu.fsf@gnu.org> <87mtg4vyq5.fsf@yahoo.com> <83pml09fed.fsf@gnu.org> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31243"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: rudalics@gmx.at, monnier@IRO.UMontreal.CA, pipcet@gmail.com, 21380@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Apr 29 15:45:30 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 1nkQw4-0007uq-Mg for geb-bug-gnu-emacs@m.gmane-mx.org; 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Hermes SMTP Server) with ESMTPA ID ec3ca33a728b09660a99fe7156f3a982; Fri, 29 Apr 2022 13:44:48 +0000 (UTC) In-Reply-To: <83pml09fed.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 29 Apr 2022 16:40:26 +0300") X-Mailer: WebService/1.1.20118 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo 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:230965 Archived-At: Eli Zaretskii writes: > First, I see no guarantee that atimers cannot run Lisp, ever. And > second, even if they don't run Lisp, they could run code which > directly or indirectly modifies Vtimer_list, and we cannot allow that > in this case. > > IOW, the problem is not that Lisp isn't supposed to run in this > situation, the problem is that we examine and modify Vtimer_list, so > we cannot allow any code that could potentially modify that behind our > backs while we are at that. Hmm, okay, thanks for explaining. I guess some code called by the input polling atimer eventually ends up modifying `timer-list' when input polling is enabled.