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Bug #59465 assertion fail when resizing particular gif
Submitted: 2010-10-15 06:25 UTC Modified: 2011-07-01 02:57 UTC
From: fiedzia at gmail dot com Assigned: vitoc (profile)
Status: Closed Package: gmagick (PECL)
PHP Version: 5.3.2 OS: Ubuntu 9.10
Private report: No CVE-ID: None
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From: fiedzia at gmail dot com
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 [2010-10-15 06:25 UTC] fiedzia at gmail dot com 
Description:
------------
attempt to resize and display cetain gif image 
(this one:
http://www.similaria.pl/file/4cb/7fa/166/535/79a/f47/010/100
/
misiu1.gif )

displays:

php: magick/blob.c:981: DestroyBlob: Assertion `image->blob-
>signature == 0xabacadabUL' failed.

apache log shows:
pache2: magick/blob.c:981: DestroyBlob: Assertion `image-
>blob->signature == 0xabacadabUL' failed.
[Mon Oct 11 21:30:04 2010] [notice] child pid 9419 exit 
signal Aborted (6)



# pecl list
INSTALLED PACKAGES, CHANNEL PECL.PHP.NET:
=========================================
PACKAGE    VERSION STATE
gmagick    1.0.8b1 beta


# dpkg -l | grep magick
ii  graphicsmagick                       1.3.5-6                                    
collection of image processing tools
ii  graphicsmagick-libmagick-dev-compat  1.3.5-6                                    
image processing libraries providing ImageMa
ii  libgraphics-magick-perl              1.3.5-6                                    
format-independent image processing - perl i
ii  libgraphicsmagick++1-dev             1.3.5-6                                    
format-independent image processing - C++ de
ii  libgraphicsmagick++3                 1.3.5-6                                    
format-independent image processing - C++ sh
ii  libgraphicsmagick1-dev               1.3.5-6                                    
format-independent image processing - C deve
ii  libgraphicsmagick3                   1.3.5-6                                    
format-independent image processing - C shar


Reproduce code:
---------------
<?php

#$img = new Gmagick('misiu1.gif');
$img = new Gmagick('http://www.similaria.pl/file/4cb/7fa/166/535/79a/f47/010/100/misiu1.gif');
$oldW = $img-> getImageWidth();
$oldH = $img-> getImageHeight();
$finalW = 100;
$finalH = ceil(100 * $oldH / $oldW);
                if ($finalH > 100) {
                        $finalH = 100;
                        $finalW = ceil(100 * $oldW / $oldH);
                }

                        $img->resizeImage($finalW, $finalH, null, 1);
echo ($img);



?>


Expected result:
----------------
nothing

Actual result:
--------------
php: magick/blob.c:981: DestroyBlob: Assertion `image->blob-
>signature == 0xabacadabUL' failed.

Patches

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 [2010-11-08 12:30 UTC] paulgao at yeah dot net 
i has same problem.

Centos 5.x 64-bit + GM 1.3.12 + PHP 5.3.3.
 [2010-11-08 12:33 UTC] paulgao at yeah dot net 
TWO ASSEST FAILED:

magick/semaphore.c:526: LockSemaphoreInfo: Assertion `semaphore_info->signature == 0xabacadabUL' failed.

magick/blob.c:4120: GmTellBlob: Assertion `image->blob->type != UndefinedStream' failed.
 [2011-07-01 02:57 UTC] vito@php.net 
Bug logged to GraphicsMagick:

https://sourceforge.net/tracker/?
func=detail&aid=3348868&group_id=73485&atid=537937
 
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