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Bug #3115 phpinfo() cores with phplib
Submitted: 2000-01-06 04:40 UTC Modified: 2002-10-01 14:22 UTC
From: Brian dot Craigie at necs dot demon dot co dot uk Assigned:
Status: Wont fix Package: Misbehaving function
PHP Version: 3.0.12 OS: Sparc Solaris 7
Private report: No CVE-ID: None
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From: Brian dot Craigie at necs dot demon dot co dot uk
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 [2000-01-06 04:40 UTC] Brian dot Craigie at necs dot demon dot co dot uk 
I see numerous closed bug reports relating to phpinfo() causing a core dump, however in certain situations it does not appear to be fixed yet.

phpinfo() creates a partial web page (stopping in the middle of the "Environment" table) when used in a script with phplib's page_open on it.  phplib version 7.2

Backtrace:

(gdb) run -f /usr/local/apache/conf/httpd_debug.conf -X
Starting program: /apache_stuff/apache/conf/../bin/httpd_debug -f /usr/local/apache/conf/httpd_debug.conf -X

Program received signal SIGSEGV, Segmentation fault.
0x530ac in _php3_hash_internal_pointer_reset (ht=0x1b5818) at php3_hash.c:983
983             ht->pInternalPointer = ht->pListHead;
(gdb) bt
#0  0x530ac in _php3_hash_internal_pointer_reset (ht=0x1b5818) at php3_hash.c:983
#1  0x7c710 in _php3_info () at functions/info.c:290
#2  0x7cbc0 in php3_info (ht=0x40d398, return_value=0x21c4a8, list=0x21cf6c, plist=0x21dce4) at functions/info.c:418
#3  0x8f7c8 in phpparse () at control_structures_inline.h:934
#4  0x513f0 in php3_parse (yyin=0x21d400) at main.c:1548
#5  0x51718 in apache_php3_module_main (r=0x318c40, fd=2092032, display_source_mode=0, preprocessed=0) at main.c:1934
#6  0x4e37c in send_php3 ()
#7  0x4e40c in send_parsed_php3 ()
#8  0xdc06c in ap_invoke_handler ()
#9  0xf84b4 in process_request_internal ()
#10 0xf8538 in ap_process_request ()
#11 0xec110 in child_main ()
#12 0xec3a4 in make_child ()
#13 0xec5c0 in startup_children ()
#14 0xecfb0 in standalone_main ()
#15 0xedb98 in main ()
(gdb) 

test.php3 script which causes the problem:-

<?php
  page_open(array("sess" => "Example_Session"));
 ?>
<html>
<head><title>PHP3 test page</title></head>
<body bgcolor="#ffffff">
  <a href="<?php $sess->purl("index.php3")?>">Load</a> the simple page again.<br>
  <a href="<?php $sess->purl("showoff.php3")?>">Load</a> the complex example again (login as kris, password test).
<br>
  <a href="<?php $sess->purl("defauth.php3")?>">Load</a> the default auth example.<br>
  <a href="<?php $sess->purl("logout.php3") ?>">Logout</a> and delete your authentication information.<br>
<?php
  page_close();
  phpinfo();
 ?>
</body>
</html>
<!-- $Id: test.php3,v 1.5 1999/04/30 19:51:29 kk Exp $ -->


If I can provide any help or more info on this, please let me know.  Thanks very much for an excellent product.

Best Regards,

Brian S. Craigie

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 [2002-10-01 14:22 UTC] hholzgra@php.net 
We are sorry, but can not support PHP 3 related problems anymore.
Momentum is gathering for PHP 5, and we think supporting PHP 3 will
lead to a waste of resources which we want to put into getting PHP 5
ready. Ofcourse PHP 4 will will continue to be supported for the
forseeable future.
 [2002-10-01 14:22 UTC] hholzgra@php.net 
We are sorry, but can not support PHP 3 related problems anymore.
Momentum is gathering for PHP 5, and we think supporting PHP 3 will
lead to a waste of resources which we want to put into getting PHP 5
ready. Ofcourse PHP 4 will will continue to be supported for the
forseeable future.
 
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