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Bug #22965 Seg fault with ImageFillToBorder and ImageColorAllocate
Submitted: 2003-03-30 14:16 UTC Modified: 2003-03-30 14:48 UTC
From: php at cipri dot com Assigned:
Status: Closed Package: GD related
PHP Version: 4.3.2RC1 OS: Linux
Private report: No CVE-ID: None
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 [2003-03-30 14:16 UTC] php at cipri dot com 
[php]
$im = ImageCreate(1000, 768);
ImageColorAllocate($im, 255, 255, 255);         
$color = ImageColorAllocate($im, 255, 255, 000);
ImageFillToBorder($im, 1500, 384, $color, $color);
[/php]

This will crash with a Seg-fault. After swapping the two lines with the ICA() call no crash happens.

PHP was compiled with:
./configure --enable-debug --with-gd=shared,/usr --with-png-dir=shared,/usr --with-zlib --with-zlib-dir=/usr

I then ran 
php -q ~/test.php 

It dumped a core, and when I ran a bt in gdb I got the following output.

#0  0x401ce59e in gdImageGetPixel () from /usr/lib/libgd.so.1
#1  0x401cef7e in gdImageFillToBorder () from /usr/lib/libgd.so.1
#2  0x401cf023 in gdImageFillToBorder () from /usr/lib/libgd.so.1
#3  0x401cf0a0 in gdImageFillToBorder () from /usr/lib/libgd.so.1
#4  0x401cf023 in gdImageFillToBorder () from /usr/lib/libgd.so.1

After this, line 3 and 4 repeat indefinately, it seems.

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 [2003-03-30 14:48 UTC] iliaa@php.net 
This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
grab the snapshot at http://snaps.php.net/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

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