From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alex Burr Newsgroups: gmane.emacs.bugs Subject: bug#22289: 24.3; Emacs crashes on loading file Date: Sat, 2 Jan 2016 14:29:23 +0000 (UTC) Message-ID: <1605685633.2833085.1451744963641.JavaMail.yahoo@mail.yahoo.com> References: <83ege0crpi.fsf@gnu.org> Reply-To: Alex Burr NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_2833084_1421718513.1451744963635" X-Trace: ger.gmane.org 1451745028 9585 80.91.229.3 (2 Jan 2016 14:30:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 2 Jan 2016 14:30:28 +0000 (UTC) Cc: "22289@debbugs.gnu.org" <22289@debbugs.gnu.org> To: Eli Zaretskii , Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jan 02 15:30:16 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aFNCA-0002Xx-Lh for geb-bug-gnu-emacs@m.gmane.org; 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Sat, 02 Jan 2016 14:29:23 +0000 In-Reply-To: <83ege0crpi.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:111105 Archived-At: ------=_Part_2833084_1421718513.1451744963635 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Yes, it seems to have been compiled with imagemagick support. I don't have = 14Gb of ram :-)So, the problem is then that this is not any kind of image. = It's a text file (actually a program for http://art.kano.me, which expects coffeescript). If I run:=20 =C2=A0convert Identify nelson.artimagemagick tells me that I have a 26708x2= 9472 1-bit ART image, which explains the problem! It loads normally if I rename the file not to have the .art suffix. So I ca= n solve my immediate problem. It's not clear to me whether imagemagick is making a real mistake here. it = doesn't seemto do any significant checking on the image header: https://git= hub.com/ImageMagick/ImageMagick/blob/7ce65e7125a4e1df1a274ce373c537a9df9c16= cd/coders/art.cHowever these old formats often didn't include any redundanc= y anyway. However it does seem like any filename ending in .art is a bit dangerous fo= r emacs at the moment. Alex =20 =20 =20 From: Eli Zaretskii To: Lars Magne Ingebrigtsen =20 Cc: ajb44.geo@yahoo.com; 22289@debbugs.gnu.org Sent: Saturday, January 2, 2016 8:26 AM Subject: Re: bug#22289: 24.3; Emacs crashes on loading file =20 > From: Lars Magne Ingebrigtsen > Date: Sat, 02 Jan 2016 03:57:17 +0100 > Cc: 22289@debbugs.gnu.org >=20 > Alex Burr writes: >=20 > > 1) loaded attached file 'nelson.art' with ctrl-x f > > 2) emacs then proceeded to malloc all core, causing linux to grind to a= halt. >=20 > If I save the image to a file and then use "display" to display it, my > machine grinds to a halt for 15 seconds, and then display says it can't > display it... >=20 > Could be an imagemagick bug of some kind... Alex, was your Emacs compiled with Imagemagick support?=C2=A0 Mine wasn't, so visiting that file does nothing special. =20 ------=_Part_2833084_1421718513.1451744963635 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Yes, it seems to have been compiled w= ith imagemagick support.
I don't have 14Gb of ram :-)
So, the problem is then that this is not any kin= d of image. It's a text file (actually a
program for http://art.kano.me, which expects coffeescri= pt). If I run:
 convert Identify nelson.art
imagemagick tells me that= I have a 26708x29472 1-bit ART image, which explains the problem!
It loa= ds normally if I rename the file not to have the .art suffix. So I can solv= e my immediate problem.

It's not clear to me whether imagemagick is ma= king a real mistake here. it doesn't seem
However these old formats= often didn't include any redundancy anyway.

However it does seem like any= filename ending in .art is a bit dangerous for emacs at the moment.
<= div id=3D"yui_3_16_0_1_1450894093388_52879" class=3D"" dir=3D"ltr">
Alex






From: Eli Zaretskii <eliz@gnu.org>
To: Lars Magne Ingebrigtsen <larsi@gnus.org> Cc: ajb44.geo@yahoo.com; = 22289@debbugs.gnu.org
Sent: Saturday, January 2, 2016 8:26 AM
Subject: Re: bug#22289: 24.3; Emacs crashes on loading fi= le

> From: Lars Ma= gne Ingebrigtsen <larsi@gnus.org>

> Date: Sat, 02 Jan 2016 03:57= :17 +0100
> Cc: 22289@debbugs.gn= u.org
>
> Alex Burr <ajb44.geo@yahoo.com> writes:
> > > 1) loaded attached file 'nelson.art' with ctrl-x= f
> > 2) emacs then proceeded to malloc all core, = causing linux to grind to a halt.
>
> If I save the image to a file and then use "display" to display it, m= y
> machine grinds to a halt for 15 seconds, and then = display says it can't
> display it...
>
> Could be an imagemagick bug of some kind...<= /div>

Alex, was your Emacs compiled wi= th Imagemagick support?  Mine wasn't,
so visiting th= at file does nothing special.



=
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