ID: 13093
Updated by: sander
Reported By: [EMAIL PROTECTED]
Old Status: Open
Status: Feedback
Bug Type: Reproducible crash
Operating System: Linux RedHat 7.0
PHP Version: 4.0.6
New Comment:
Does this problem still occur with 4.1.1 and/or the latest CVS?
If so, can you track down the problem to a shorter script?
Previous Comments:
------------------------------------------------------------------------
[2001-09-01 20:33:30] [EMAIL PROTECTED]
<?
$token['not'] = '�';
$token['or'] = 'V';
$token['and'] = '^';
$token['xor'] = 'x';
$statement = "A^BVC";
function parse($statement)
{
global $token;
for($i = 0; $i < strlen($statement); $i++)
{
$c = substr($statement, $i, 1);
if($c == $token['and'] || $c == $token['or'] || $c ==
$token['xor'])
{
if(!$a) echo "Error: $c requires 2 arguments<br>\n";
else if($a && $b)
{
$a[$o][a] = $a;
$a[$o][b] = $b;
unset($b);
}
$o = $c;
}
else
{
if($o)
$b .= $c;
else
$a .= $c;
}
}
if($a && $o && $b)
{
$ret[$o][a] = $a;
$ret[$o][b] = $b;
}
else
{
echo "Error: missing statement<br>\n";
}
return $ret;
}
function aview($var)
{
while(list($key, $val) = each($var))
{
echo $key;
if(is_array($val))
aview($val);
else
echo $val;
}
}
$parse_tree = parse($statement);
// aview($parse_tree);
?>
My machine is compiled with:
./configure --with-mysql=/usr/local --with-gd
The php binary is copied to /bin
It also has php built as a shared apache module
(--with-apxs=/www/bin/apxs)
It crashes on both.
I ftp'd the file to 2 of our production servers. One has php/apache
installed from RPM's the other is built from source.
It crashes with or without the aview function. If you put an
echo "hello";
at the very end, it crashes after printing hello.
here is the gdb backtrace:
#0 chunk_free (ar_ptr=0x40202d40, p=0x8173a30) at malloc.c:3049
#1 0x4016df9a in __libc_free (mem=0x8173a38) at malloc.c:3023
#2 0x80c51c9 in _efree (ptr=0x8173a44) at zend_alloc.c:232
#3 0x80c55e8 in shutdown_memory_manager (silent=0, clean_cache=0)
at zend_alloc.c:437
#4 0x805e8a9 in php_request_shutdown (dummy=0x0) at main.c:667
#5 0x805d9fa in main (argc=2, argv=0xbffffb94) at cgi_main.c:751
------------------------------------------------------------------------
Edit this bug report at http://bugs.php.net/?id=13093&edit=1
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