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#71929: 30.0.60; crash in mark_image_cache Date: Thu, 04 Jul 2024 08:53:41 +0300 Message-ID: <86jzi1aeje.fsf@gnu.org> References: <87jzi17uot.fsf@melete.silentflame.com> <87y16h6fm3.fsf@melete.silentflame.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15689"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 71929@debbugs.gnu.org To: Sean Whitton Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jul 04 07:54:25 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 1sPFQH-0003sz-7Q for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 04 Jul 2024 07:54:25 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sPFPv-0006HT-8a; Thu, 04 Jul 2024 01:54:03 -0400 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 1sPFPs-0006Gr-IJ for bug-gnu-emacs@gnu.org; Thu, 04 Jul 2024 01:54:00 -0400 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 1sPFPs-00082T-9f for bug-gnu-emacs@gnu.org; Thu, 04 Jul 2024 01:54:00 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sPFPu-0002hj-6n for bug-gnu-emacs@gnu.org; Thu, 04 Jul 2024 01:54:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 04 Jul 2024 05:54:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 71929 X-GNU-PR-Package: emacs Original-Received: via spool by 71929-submit@debbugs.gnu.org id=B71929.172007243310374 (code B ref 71929); Thu, 04 Jul 2024 05:54:02 +0000 Original-Received: (at 71929) by debbugs.gnu.org; 4 Jul 2024 05:53:53 +0000 Original-Received: from localhost ([127.0.0.1]:41259 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sPFPk-0002hF-PF for submit@debbugs.gnu.org; Thu, 04 Jul 2024 01:53:53 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:55248) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sPFPi-0002gy-VY for 71929@debbugs.gnu.org; Thu, 04 Jul 2024 01:53:51 -0400 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 1sPFPb-00080E-0Q; Thu, 04 Jul 2024 01:53:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=u7yEvJt59Vo8bRQQ32G+hW/ALMfR06SMeZBjKicWnGo=; b=VP/C0ezoOKpf 9Q9qoyPw218kHRWHDotoRM2whYz7gDDiSvWPZIzGmz3aNVzNZpsIHy5WzzQdHXsTc6OFS2D7hQkq+ tYFGHwMLdcSGALTGfP5u353jgkEYQAJb92xGaLlX+UxQm7SsvYQsrrXNxvRM+6Iaq/5cul6dJqjM5 YWWeW28Wnxwz686r9tek1zW2pkmYviqJNYVyM1F19+7bABZW0jM67h+6U/GJ0ThzNH+0MwTaU4dv3 TKpXK3+tdjHacUEtoU0WTaReIiqOF0uzhnomMVOGAsINcJE9vEozV9gwPH4pKtmUl9gSDLz+CLYcd 7/xCW4kqn1v+Cflhw5dLbQ==; In-Reply-To: <87y16h6fm3.fsf@melete.silentflame.com> (message from Sean Whitton on Thu, 04 Jul 2024 10:44:04 +0800) 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:288346 Archived-At: > From: Sean Whitton > Date: Thu, 04 Jul 2024 10:44:04 +0800 > > Hello, > > On Thu 04 Jul 2024 at 10:33am +08, Sean Whitton wrote: > > > My pgtk Emacs keeps crashing. This time I think I caught it. > > I see there was a recent commit to code around here; if this backtrace > > is not sufficient, I can try bisecting, but I cannot currently reproduce > > the crash reliably. > > > > Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. > > 0x00005555557a2c51 in mark_image_cache (c=0x55555729fc70) at image.c:3775 > > 3775 if (c->images[i]) > > (gdb) > > ... and i was 0, i.e. it crashes on the first iteration. What is the value of c->images? IOW, why did this line segfault?