[Pkg-gmagick-im-team] Bug#773980: libmagickcore-6.q16-2: 8:6.8.9.9-4 breaks images in GNU Emacs 24 (displayed as single colour rectangles)

[Bastien ROUCARIES]

On Sat, Dec 27, 2014 at 3:11 PM, Adam Sjøgren <asjo at koldfront.dk> wrote:
> Bastien writes:
>
>> On Fri, Dec 26, 2014 at 10:24 PM, Adam Sjøgren <asjo at koldfront.dk> wrote:
>>> Bastien writes:
>
>>>>> When displaying an image in GNU Emacs 24 (package emacs24), after
>>>>> upgrading from ImageMagick 8:6.8.9.9-3 to 8:6.8.9.9-4, images with
>>>>> :type 'imagemagick are displayed as single colour rectangles.
>
>>>> Thanks could you get the exact command running ?
>
>>> I don't understand your question.
>
>> I suppose emacs execute imagmagick. Thus that is the command (shell)
>> and parameter that emacs use ?
>
> I don't think Emacs executes any ImageMagick commands - Emacs is linked
> to the ImageMagick libraries, which is why I reported the bug against
> libmagickcore-6, and not on the package with the binaries.
>
> I.e.:
>
>   $ ldd /usr/bin/emacs24 | grep -i magick
>           libMagickWand-6.Q16.so.2 => /usr/lib/x86_64-linux-gnu/libMagickWand-6.Q16.so.2 (0x00007f7d415b8000)
>           libMagickCore-6.Q16.so.2 => /usr/lib/x86_64-linux-gnu/libMagickCore-6.Q16.so.2 (0x00007f7d410f8000)
>   $
>
> And this is also why the recipe for reproducing the problem I wrote
> includes running Emacs.


It seems it is only xpm file. Could you try with other format of input
image ? I have applied some patch to xpm coder in order to solve
security problem. Will try to reproduce.

Staying in -3 is not a solution due to the security problem.

Bastien

>
> I hope this clears it up.
>
>
>   Best regards,
>
>     Adam
>
> --
>  "May the force be...                                         Adam Sjøgren
>   ... equal to mass · acceleration"                      asjo at koldfront.dk