Bug #72819 [Com]: EXIF thumbnails not read anymore

From: Date: Sat, 04 Feb 2017 23:44:38 +0000
Subject: Bug #72819 [Com]: EXIF thumbnails not read anymore
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-207171@lists.php.net to get a copy of this message
Edit report at https://bugs.php.net/bug.php?id=72819&edit=1

 ID:                 72819
 Comment by:         evil+php at piekielko dot pl
 Reported by:        php dot bohwaz at miam dot kd2 dot org
 Summary:            EXIF thumbnails not read anymore
 Status:             Verified
 Type:               Bug
 Package:            EXIF related
 Operating System:   Debian Linux Jessie
 PHP Version:        5.6.25
 Assigned To:        kalle
 Block user comment: N
 Private report:     N

 New Comment:

Still the same on 5.6.30 (freebsd):
 php -v && php -r 'var_dump(strlen(exif_thumbnail("http://www.exiv2.org/include/img_1771.jpg")));'
PHP 5.6.30 (cli) (built: Jan 21 2017 01:17:54) 
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies
PHP Warning:  exif_thumbnail(img_1771.jpg): IFD data bad offset: 0xFFFFFC52 length 0x01C2 in Command
line code on line 1
int(0)


Previous Comments:
------------------------------------------------------------------------
[2017-01-24 14:43:40] martin at the-inspired-ones dot de

Same for PHP 7.0.14:

$ php -v && php -r 'var_dump(strlen(exif_thumbnail("http://www.exiv2.org/include/img_1771.jpg")));'

PHP 7.0.14-2+deb.sury.org~xenial+1 (cli) ( NTS )
Copyright (c) 1997-2016 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies
    with Zend OPcache v7.0.14-2+deb.sury.org~xenial+1, Copyright (c) 1999-2016, by Zend Technologies

PHP Warning:  exif_thumbnail(img_1771.jpg): IFD data bad offset: 0xFFFFFC52 length 0x01C2 in Command
line code on line 1
int(0)

------------------------------------------------------------------------
[2016-12-19 09:21:42] egonfreeman at gmail dot com

Same issue on Mac OS X 10.9.5 on PHP 5.6.29. I'm sure it's been around for about as long.
PHP installed via MacPorts.


$ php -v && php -r 'var_dump(strlen(exif_thumbnail("http://www.exiv2.org/include/img_1771.jpg")));'

PHP 5.6.29 (cli) (built: Dec 10 2016 15:52:37) 
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies

Warning: exif_thumbnail(img_1771.jpg): IFD data bad offset: 0xFFFFFC52 length 0x01C2 in Command line
code on line 1
int(0)

------------------------------------------------------------------------
[2016-11-02 11:21:28] stephan at vierkant dot org

php -v && php -r 'var_dump(strlen(exif_thumbnail("http://www.exiv2.org/include/img_1771.jpg")));'
PHP 5.4.45-0+deb7u5 (cli) (built: Aug 30 2016 20:15:34) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
PHP Warning:  exif_thumbnail(img_1771.jpg): IFD data bad offset: 0xFFFFFC52 length 0x01C2 in Command
line code on line 1
int(0)

------------------------------------------------------------------------
[2016-08-26 01:01:41] kalle@php.net

@cmb I have been fairly busy with some personal life things and moving in the past week or so, and
it might continue and with Legion's release coming soon I'm not sure how much time I have,
but in the case I do not something within a week or two, then please see if you can sync 5.6/7.0/7.1
with master

------------------------------------------------------------------------
[2016-08-22 08:01:21] cmb@php.net

Indeed, Kalle's commit[1] is only in master, but there may have
been another commit that fixed the issue. Not sure.

Anyhow, I can confirm that this report and also bug 72914 are not
resolved with PHP 5.6.25. bug 72914 would be resolved with current
master; however, this very issue not.

@kalle Can you please have a look at these issues?

[1] <https://github.com/php/php-src/commit/9c8c3785>

------------------------------------------------------------------------


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    https://bugs.php.net/bug.php?id=72819


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