[Pkg-gmagick-im-team] Bug#835488: Bug#835488: imagemagick: Regression after security update to 8:6.8.9.9-5+deb8u4, unable to convert PDF files in PHP

[Udo Pütz]

On Sat, 27 Aug 2016 21:41:26 +0200 "Tommie Van Mechgelen" <me at tommie.it>
wrote:
> 
> Hi,

Hi,

> The issue exists with all PDF-files that I have tried.
> 
> I tried both commands, and the result is the same for both.  So working previous the security update.
> identify bug.pdf
> Identify -ping bug.pdf
> 
> Â 8:6.8.9.9-5+deb8u4:
> identify: unable to read image data `/tmp/magick-4028M_5kB2MxtwSv1' @ error/pnm.c/ReadPNMImage/617.

I strace'd the php call and saw that the file in question is there (in
the example above /tmp/magick-4028M_5kB2MxtwSv1), being opened and read
and then unlinked. But it also tries to unlink
/tmp/magick-4028M_5kB2MxtwSv1.cache (name + ".cache") - which doesn't
exist. I think the bug comes from that.

HTH,
Udo Puetz

> Â 8:6.8.9.9-5+deb8u3:
> bug.pdf[0] PBM 612x792 612x792+0+0 16-bit Bilevel Gray 61KB 0.000u 0:00.000
> bug.pdf[1] PBM 612x792 612x792+0+0 16-bit Bilevel Gray 61KB 0.000u 0:00.079

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