GNU bug report logs - #33561
ImageMagick: excessive memory usage for djvu attachment

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Package: emacs,gnus; Reported by: Uwe Brauer <oub@HIDDEN>; merged with #33560; dated Sat, 1 Dec 2018 09:12:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.
Forcibly Merged 33560 33561. Request was from Glenn Morris <rgm@HIDDEN> to control <at> debbugs.gnu.org. Full text available.
Changed bug title to 'ImageMagick: excessive memory usage for djvu attachment' from 'when opening a msg with a 4 MB attachment emacs (master) consumes 6.4 GB of RAM' Request was from Glenn Morris <rgm@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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From: Uwe Brauer <oub@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#33561: when opening a msg with a 4 MB attachment emacs
 (master) consumes 6.4 GB of RAM
References: <87pnulipbh.fsf@HIDDEN> <83wootbms1.fsf@HIDDEN>
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>>> "Eli" =3D=3D Eli Zaretskii <eliz@HIDDEN> writes:

   >> From: Uwe Brauer <oub@HIDDEN>
   >> Cc: Uwe Brauer <oub@HIDDEN>, 33561 <at> debbugs.gnu.org
   >> Date: Sat, 01 Dec 2018 16:41:00 +0100
   >>=20
   >> Can't I just tell emacs, not to view/open the attachment?

   > I'm sure you can, but someone else will have to tell you how (or maybe
   > you could look it up in the manual).  I don't use Gnus.

Hm, I just asked on the gnus mailing list, @Lars any ideas about this
strange behavior?

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--=-=-=--




Information forwarded to bug-gnu-emacs@HIDDEN, bugs@HIDDEN:
bug#33561; Package emacs,gnus. Full text available.

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From: Eli Zaretskii <eliz@HIDDEN>
To: Uwe Brauer <oub@HIDDEN>
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Subject: Re: bug#33561: when opening a msg with a 4 MB attachment emacs
 (master) consumes 6.4 GB of RAM
References: <87pnulipbh.fsf@HIDDEN> <83wootbms1.fsf@HIDDEN>
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> From: Uwe Brauer <oub@HIDDEN>
> Cc: Uwe Brauer <oub@HIDDEN>, 33561 <at> debbugs.gnu.org
> Date: Sat, 01 Dec 2018 16:41:00 +0100
> 
> Can't I just tell emacs, not to view/open the attachment?

I'm sure you can, but someone else will have to tell you how (or maybe
you could look it up in the manual).  I don't use Gnus.




Information forwarded to bug-gnu-emacs@HIDDEN, bugs@HIDDEN:
bug#33561; Package emacs,gnus. Full text available.

Message received at 33561 <at> debbugs.gnu.org:


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From: Uwe Brauer <oub@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#33561: when opening a msg with a 4 MB attachment emacs
 (master) consumes 6.4 GB of RAM
References: <87pnulipbh.fsf@HIDDEN> <83wootbms1.fsf@HIDDEN>
 <87in0dic73.fsf@HIDDEN> <83tvjxb8qw.fsf@HIDDEN>
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--=-=-=
Content-Type: text/plain
Content-Transfer-Encoding: quoted-printable

>>> "Eli" =3D=3D Eli Zaretskii <eliz@HIDDEN> writes:

   >> From: Uwe Brauer <oub@HIDDEN>
   >> Cc: Uwe Brauer <oub@HIDDEN>, 33561 <at> debbugs.gnu.org
   >> Date: Sat, 01 Dec 2018 14:55:12 +0100
   >>=20
   >> > What kind of content was in the attachment?  I don't see how we cou=
ld
   >> > look into this issue without knowing at least that much.
   >>=20
   >> A djvu file the attachment looks like this

   > Then I think it's a problem with ImageMagick.  Emacs cannot view these
   > files except via ImageMagick, AFAIK.  Perhaps try to upgrade your
   > ImageMagick version.

I tried that, not really possible on my Ubuntu version.=20
Can't I just tell emacs, not to view/open the attachment?

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--=-=-=--




Information forwarded to bug-gnu-emacs@HIDDEN, bugs@HIDDEN:
bug#33561; Package emacs,gnus. Full text available.

Message received at 33561 <at> debbugs.gnu.org:


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From: Eli Zaretskii <eliz@HIDDEN>
To: Uwe Brauer <oub@HIDDEN>
In-reply-to: <87in0dic73.fsf@HIDDEN> (message from Uwe Brauer on Sat, 01
 Dec 2018 14:55:12 +0100)
Subject: Re: bug#33561: when opening a msg with a 4 MB attachment emacs
 (master) consumes 6.4 GB of RAM
References: <87pnulipbh.fsf@HIDDEN> <83wootbms1.fsf@HIDDEN>
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> From: Uwe Brauer <oub@HIDDEN>
> Cc: Uwe Brauer <oub@HIDDEN>, 33561 <at> debbugs.gnu.org
> Date: Sat, 01 Dec 2018 14:55:12 +0100
> 
>    > What kind of content was in the attachment?  I don't see how we could
>    > look into this issue without knowing at least that much.
> 
> A djvu file the attachment looks like this

Then I think it's a problem with ImageMagick.  Emacs cannot view these
files except via ImageMagick, AFAIK.  Perhaps try to upgrade your
ImageMagick version.




Information forwarded to bug-gnu-emacs@HIDDEN, bugs@HIDDEN:
bug#33561; Package emacs,gnus. Full text available.

Message received at 33561 <at> debbugs.gnu.org:


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From: Uwe Brauer <oub@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#33561: when opening a msg with a 4 MB attachment emacs
 (master) consumes 6.4 GB of RAM
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--=-=-=
Content-Type: text/plain



   > What kind of content was in the attachment?  I don't see how we could
   > look into this issue without knowing at least that much.

A djvu file the attachment looks like this

[4.  Book-title.djvu --- image/vnd.djvu; Book-title.djvu.djvu]...

--=-=-=
Content-Type: application/pkcs7-signature; name=smime.p7s
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename=smime.p7s

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--=-=-=--




Information forwarded to bug-gnu-emacs@HIDDEN, bugs@HIDDEN:
bug#33561; Package emacs,gnus. Full text available.

Message received at 33561 <at> debbugs.gnu.org:


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From: Eli Zaretskii <eliz@HIDDEN>
To: Uwe Brauer <oub@HIDDEN>
In-reply-to: <87pnulipbh.fsf@HIDDEN> (message from Uwe Brauer on Sat, 01
 Dec 2018 10:11:46 +0100)
Subject: Re: bug#33561: when opening a msg with a 4 MB attachment emacs
 (master) consumes 6.4 GB of RAM
References: <87pnulipbh.fsf@HIDDEN>
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> From: Uwe Brauer <oub@HIDDEN>
> Date: Sat, 01 Dec 2018 10:11:46 +0100
> 
> I tried to open a msg which contained an attachment of 3.9 MB, my system
> with 8 GB got almost frozen and 
> #!/usr/bin/python
> 
> # -*- coding: utf-8 -*-
> import re
> import sys
> 
> from ps_mem import main
> 
> if __name__ == '__main__':
>     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
>     sys.exit(main())
> 
> Told me 
> rivate  +   Shared  =  RAM used       Program
> 
>  6.6 GiB + 343.5 KiB =   6.6 GiB       emacs-27.0.50
> 
> This cannot be good.

What kind of content was in the attachment?  I don't see how we could
look into this issue without knowing at least that much.




Information forwarded to bug-gnu-emacs@HIDDEN, bugs@HIDDEN:
bug#33561; Package emacs,gnus. Full text available.

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From: Uwe Brauer <oub@HIDDEN>
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Subject: when opening a msg with a 4 MB attachment emacs (master) consumes 6.4
 GB of RAM
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Hi 

I tried to open a msg which contained an attachment of 3.9 MB, my system
with 8 GB got almost frozen and 
#!/usr/bin/python

# -*- coding: utf-8 -*-
import re
import sys

from ps_mem import main

if __name__ == '__main__':
    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    sys.exit(main())

Told me 
rivate  +   Shared  =  RAM used       Program

 6.6 GiB + 343.5 KiB =   6.6 GiB       emacs-27.0.50

This cannot be good.

Gnus v5.13
GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2018-04-26
200 news.gmane.org InterNetNews NNRP server INN 2.5.4 ready (posting ok)
100 Legal commands
  ARTICLE [message-ID|number]
  AUTHINFO USER name|PASS password|SASL mechanism [initial-response]|GENERIC program [argument ...]
  BODY [message-ID|number]
  CAPABILITIES [keyword]
  DATE
  GROUP newsgroup
  HDR header [message-ID|range]
  HEAD [message-ID|number]
  HELP
  IHAVE message-ID
  LAST
  LIST [ACTIVE [wildmat]|ACTIVE.TIMES [wildmat]|COUNTS [wildmat]|DISTRIB.PATS|DISTRIBUTIONS|HEADERS [MSGID|RANGE]|MODERATORS|MOTD|NEWSGROUPS [wildmat]|OVERVIEW.FMT|SUBSCRIPTIONS [wildmat]]
  LISTGROUP [newsgroup [range]]
  MODE READER
  NEWGROUPS [yy]yymmdd hhmmss [GMT]
  NEWNEWS wildmat [yy]yymmdd hhmmss [GMT]
  NEXT
  OVER [range]
  POST
  QUIT
  STARTTLS
  STAT [message-ID|number]
  XGTITLE [wildmat]
  XHDR header [message-ID|range]
  XOVER [range]
  XPAT header message-ID|range pattern [pattern ...]
Report problems to <usenet@HIDDEN>.
.
382 Begin TLS negotiation now
100 Legal commands
  ARTICLE [message-ID|number]
  AUTHINFO USER name|PASS password|SASL mechanism [initial-response]|GENERIC program [argument ...]
  BODY [message-ID|number]
  CAPABILITIES [keyword]
  DATE
  GROUP newsgroup
  HDR header [message-ID|range]
  HEAD [message-ID|number]
  HELP
  IHAVE message-ID
  LAST
  LIST [ACTIVE [wildmat]|ACTIVE.TIMES [wildmat]|COUNTS [wildmat]|DISTRIB.PATS|DISTRIBUTIONS|HEADERS [MSGID|RANGE]|MODERATORS|MOTD|NEWSGROUPS [wildmat]|OVERVIEW.FMT|SUBSCRIPTIONS [wildmat]]
  LISTGROUP [newsgroup [range]]
  MODE READER
  NEWGROUPS [yy]yymmdd hhmmss [GMT]
  NEWNEWS wildmat [yy]yymmdd hhmmss [GMT]
  NEXT
  OVER [range]
  POST
  QUIT
  STARTTLS
  STAT [message-ID|number]
  XGTITLE [wildmat]
  XHDR header [message-ID|range]
  XOVER [range]
  XPAT header message-ID|range pattern [pattern ...]
Report problems to <usenet@HIDDEN>.
.




Acknowledgement sent to Uwe Brauer <oub@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN, bugs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN, bugs@HIDDEN:
bug#33561; Package emacs,gnus. Full text available.
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