PHP 4.0 Bug #4887: memory corruption
| From: | websupport at silyn-tek dot de | Date: | Thu, 08 Jun 2000 08:22:34 +0000 |
| Subject: | PHP 4.0 Bug #4887: memory corruption | ||
| Groups: | php.dev | ||
| Request: | Send a blank email to php-dev+get-20542@lists.php.net to get a copy of this message | ||
From: websupport@silyn-tek.de
Operating system: linux 2.2.14
PHP version: 4.0.0 Release
PHP Bug Type: MSSQL related
Bug description: memory corruption
sorry for creating new bugthread, lost my userid, but please try this out
<?php
## here is a complete listing
## please create a database emerald
## go to an empty directory and start with
# rm *;while true ; do wget http://ts/test/test.php;done
## after getting about 1000 files do
# for i in *; do echo -n "$i:";diff -a test.php $i;
## why do so many files differ and contain binary data ?????
function print_array($a)
{ while (list ($key, $val) = each ($a)) { echo "$key\t$val\n"; };};
function create_table()
{
$r=mssql_query("drop table bugs");
$r=mssql_query("drop table bugsb");
$r=mssql_query("create table bugs (FIRSTNAME char(20),LASTNAME char(20),COMPANY
char(20), COMMENTS char(20), CUSTOMERID integer)");
$r=mssql_query("insert bugs values
('rainer','zufall','dusty','hallo',35800)");
$r=mssql_query("create table bugsb (MAIDENNAME char(20),ACCOUNTTYPE char(20),
CUSTOMERID integer)");
$r=mssql_query("insert bugsb values
('geheim','surf20',35800)");
};
function fetch_cid($cid)
{
$fields="FIRSTNAME,LASTNAME,COMPANY,COMMENTS";
$res=array("a"=>"b");
$r=mssql_query("select $fields from bugs where CUSTOMERID=$cid");
if($r>0)
{
$ma=mssql_fetch_array($r);
mssql_free_result($r);
$res["FIRSTNAME"]=$ma["FIRSTNAME"];
$res["LASTNAME"]=$ma["LASTNAME"];
$res["COMPANY"]=$ma["COMPANY"];
$res["COMMENTS"]=$ma["COMMENTS"];
};
$res["VAT"]=0;
$r=mssql_query("select * from bugsb where CUSTOMERID=$cid");
if($r>0)
{ $sa=mssql_fetch_array($r);
mssql_free_result($r); };
$com=$res["COMMENTS"];
if(preg_match("/^(.*?):/",$com,$parts))
{ echo "i never get here, but thats ok"; };
$testres["MAIDENNAME"]=$sa["MAIDENNAME"];
$x=$sa["MAIDENNAME"];
$x="geheim";
$res["MAIDENNAME"]=$x;
$res["EMAIL"]="email";
$y=$sa["ACCOUNTTYPE"];
$res["TARIF"]=$y;
print_array($res);
return $res;
};
$dbi=mssql_connect ("mssql","silyndb","nosilyndb");
create_table();
$u=fetch_cid(35800);
echo "\n";
print_array($u);
mssql_close($dbi);
?>