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Bug #20442 xml_get_current_line_number produces segmentation fault
Submitted: 2002-11-15 03:54 UTC Modified: 2002-11-18 07:30 UTC
From: blizz at 0x03 dot net Assigned:
Status: Closed Package: XML related
PHP Version: 4CVS-2002-11-15 OS: NetBSD 1.6
Private report: No CVE-ID: None
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 [2002-11-15 03:54 UTC] blizz at 0x03 dot net
It looks like the xml_get_current_line_number of xml produces a segmentation fault.
Here is the piece of code :


        function parse($file)
        {
                if(!($fp = fopen($file, 'r')))
                        echo "xml_parser error: Could not open $file.\n"; 
                else
                        while($data = fgets($fp, 4096))
                                if(!xml_parse($this->parser, $data, feof($fp)))
                                        echo 'xml_parser error: ',
                                              xml_error_string(xml_get_error_code($this->parser)),
                                              ' at line ',
                                              xml_get_current_line_number($this->parser),
                                              "\n";

                fclose($fp);

                return $this->struct;   
        }

If the data.xml looks like this for example :
<Example>
   <Test>Bla</Test>
   <Test>Muh</test>
</Example>

I runned the xml example file in shell and here is the output :
Example
Test
Test
xml_parser error: mismatched tag at line 4
xml_parser error: mismatched tag at line Segmentation fault (core dumped)

Now where is the problem ?
Does the XML parser try to get the line and is already at the end of the file ?

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 [2002-11-15 16:09 UTC] iliaa@php.net
This bug is actually the result of a bug in the bundled expat library. You can fix the problem by installing the latest expat from http://sourceforge.net/project/showfiles.php?group_id=10127&release_id=109357

I am leaving the bug open, until the bunbled expat library is upgraded to the latest stable release.
 [2002-11-15 23:53 UTC] blizz at 0x03 dot net
okay, sorry. did not know that ;)
 [2002-11-18 07:30 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/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
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