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Bug #66065 read_exif_data fail with 'Segmentation fault'
Submitted: 2013-11-08 15:02 UTC Modified: 2013-11-11 08:31 UTC
From: szerencsits dot michael at gmx dot at Assigned: remi (profile)
Status: Closed Package: EXIF related
PHP Version: 5.5.5 OS: Fedora Core 19
Private report: No CVE-ID: None
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From: szerencsits dot michael at gmx dot at
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 [2013-11-08 15:02 UTC] szerencsits dot michael at gmx dot at 
Description:
------------
Hello, 

I installed the php rpm from Fedora 19 and updated it also to the latest available fedora version:

[root@server ~]# php -v
PHP 5.5.5 (cli) (built: Oct 17 2013 06:05:14)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies

I've I now use read_exif_data to get the EXIF data it fails with 'Segmentation fault'. This happen only with jpg from my 'newer' camera. If I use a jpg from my 'old' camera it work. Here a working and a failing picture:

http://zerberus.amolymp.net/fotos/failing.jpg
http://zerberus.amolymp.net/fotos/working.jpg


Test script:
---------------
<?php #filename rdexif.php

$exif_data = read_exif_data($argv[1]);
print_r($exif_data);

?>

run with php ./rdexif.php failing.jpg
run with php ./rdexif.php working.jpg

Expected result:
----------------
EXIF data ARRAY

Actual result:
--------------
Segmentation Fault

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 [2013-11-08 15:52 UTC] szerencsits dot michael at gmx dot at 
[root@server ~]# uname -a
Linux server.localdomain 3.11.4-201.fc19.x86_64 #1 SMP Thu Oct 10 14:11:18 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
 [2013-11-09 15:34 UTC] remi@php.net 
Sorry, but I cannot reproduce.

$ run with php ./rdexif.php failing.jpg
Array
(
    [FileName] => failing.jpg
    [FileDateTime] => 1384010956
    [FileSize] => 3142954
    [FileType] => 2
    [MimeType] => image/jpeg
    [SectionsFound] => ANY_TAG, IFD0, THUMBNAIL, EXIF, INTEROP, WINXP
...

It will probably simpler to let "abrt" report the segfault with a backtrace.
 [2013-11-09 15:35 UTC] remi@php.net
-Status: Open +Status: Feedback
 [2013-11-09 15:35 UTC] remi@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.
 [2013-11-09 15:39 UTC] remi@php.net
-Assigned To: +Assigned To: remi
 [2013-11-11 08:16 UTC] szerencsits dot michael at gmx dot at
-Status: Feedback +Status: Assigned
 [2013-11-11 08:16 UTC] szerencsits dot michael at gmx dot at 
Hi Remi,

I've removed the php package from Fedora 19 and compiled php from the tar.
With this the read_exif_data work.

So it seems this is a bug in the Fedora Package.

Thanks for your help,
Michael
 [2013-11-11 08:31 UTC] remi@php.net
-Status: Assigned +Status: Closed
 [2013-11-11 08:31 UTC] remi@php.net 
So closing this one as this is not a PHP bug.
 
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