From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#59038: loading this base64 file makes emacs -Q 28.2 peg a core infinitely Date: Sun, 06 Nov 2022 09:18:23 +0000 Message-ID: <83a7ad518e21593e8888@heytings.org> References: <83h6zd51h0.fsf@gnu.org> <62a776a86318abee7349@heytings.org> <62a776a8636ebc0aad56@heytings.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38304"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Gerd =?UTF-8?Q?M=C3=B6llmann?= , 59038@debbugs.gnu.org, Eli Zaretskii , checker@d6.com, acm@muc.de To: Phil Sainty Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Nov 06 10:19:42 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 1orboa-0009lr-Sz for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 06 Nov 2022 10:19:41 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1orbo7-0005SI-Hq; Sun, 06 Nov 2022 04:19:11 -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 1orbny-0005Qv-OR for bug-gnu-emacs@gnu.org; Sun, 06 Nov 2022 04:19:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1orbny-0006D8-Ew for bug-gnu-emacs@gnu.org; Sun, 06 Nov 2022 04:19:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1orbny-0003mO-BB for bug-gnu-emacs@gnu.org; Sun, 06 Nov 2022 04:19:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 06 Nov 2022 09:19:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59038 X-GNU-PR-Package: emacs Original-Received: via spool by 59038-submit@debbugs.gnu.org id=B59038.166772630814486 (code B ref 59038); Sun, 06 Nov 2022 09:19:02 +0000 Original-Received: (at 59038) by debbugs.gnu.org; 6 Nov 2022 09:18:28 +0000 Original-Received: from localhost ([127.0.0.1]:58679 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1orbnQ-0003lZ-70 for submit@debbugs.gnu.org; Sun, 06 Nov 2022 04:18:28 -0500 Original-Received: from heytings.org ([95.142.160.155]:59686) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1orbnN-0003lR-VL for 59038@debbugs.gnu.org; Sun, 06 Nov 2022 04:18:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1667726304; bh=ZSbtAa0Qxetj3cRHkS6qdm/eOguW5u7a2V/0NGfW8RA=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=Jd2Yn1RE1wkUnQgZ2v79CwIuUo/R79S2aMf2rZ+JPbmvDbT5BffCbzhEnN6RgfxIK fwC/Vj+yk+ZKnb8FMHodK47VTpUkjtMdpR8BD/Cp2H78THX0iDX6bdTtqbtXJKAcSC eUULnC17NAw1lYMT5UnUf3YNn6zfQVA1auiJv2iXTUtCr7d+66sdvxywijlE5KT9Le smR5/7q+2czR0mYEMhvgLIz3Js/ypmnfA/DZx/dOTr1su5uzAPfhV/YJp12e2S3YJR DPLh3Ivya8mF+Y6rXVyrvPUCOxjFHKQASfNwc4M3ouZhaZFTmxL/ES8IQ6d37CBQtE CIbn6FrpkSabA== In-Reply-To: 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: , Original-Sender: "bug-gnu-emacs" Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:247194 Archived-At: >> That file opens just fine in other modes > > It also opens fine in c-mode, with global-font-lock-mode disabled. > Indeed, obviously it's a c-mode font-locking related bug. >> Note that this bug has nothing to do with long lines. > > I imagine that the font-lock issue is related to the line being in > excess of 21,000 chars (but general redisplay obviously doesn't have > problems with lines this 'small'). > > Reduced to 10,208 chars that file opens instantly under emacs -Q in > c-mode with font-lock enabled; but at 10,209 chars it hangs Emacs (I > killed it after waiting 4 minutes). > Interesting, thanks for the bisection!