Bug #50660 [Fbk->NoF]: exif_read_data(): Illegal IFD offset (works fine with other exif readers)

From: Date: Sun, 14 Aug 2016 04:22:25 +0000
Subject: Bug #50660 [Fbk->NoF]: exif_read_data(): Illegal IFD offset (works fine with other exif readers)
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=50660&edit=1

 ID:               50660
 Updated by:       php-bugs@lists.php.net
 Reported by:      skinny dot bravo at gmail dot com
 Summary:          exif_read_data(): Illegal IFD offset (works fine with
                   other exif readers)
-Status:           Feedback
+Status:           No Feedback
 Type:             Bug
 Package:          EXIF related
 Operating System: Linux
 PHP Version:      5.*, 6
 Assigned To:      kalle
 Private report:   N

 New Comment:

No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.


Previous Comments:
------------------------------------------------------------------------
[2016-08-05 18:31:02] support at imgsrc dot ru

Can you please try 

http://o1.eu.is.pp.ru/v/vahmurka/3/16095163cDU.jpg
http://o1.eu.is.pp.ru/v/vahmurka/1/16095161rno.jpg

------------------------------------------------------------------------
[2016-08-05 06:13:26] kalle@php.net

Hi!

I know this is an old report, could you please reupload the images somewhere? For some reason my ISP
have blocked the domain and I do not have a way currently to obtain them from the outside.

thanks!

------------------------------------------------------------------------
[2011-01-31 07:36:37] mjk at emmjaykay dot org

The issue stems from exif.c's exif_process_IFD_in_JPEG() function where it calculates
NextDirOffset. If this means what I think it does, for EXIF_IFD and IFD_GPS, there is no next IFD
and no further parsing should take place. Right now, it parses into the string for the next entry
(2009...)

I am not sure if this is correct since I am no expert on EXIF.

The output of var_dump seems to be still in-correct, though. I do not know if this is a separate
issue or something I introduced with this patch.

------------------------------------------------------------------------
[2010-01-06 12:49:45] skinny dot bravo at gmail dot com

Sorry,

- php5.2-201001041530 produces the same result
+ php5.2-201001041530 produces the same result as 5.2.12 below

------------------------------------------------------------------------
[2010-01-06 12:42:40] iliaa@php.net

If it works with php5.2-201001041530 it means that the issue has been 
resolved.

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


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