#40138 [NEW]: curl_multi, PHP/CLI crash, abnormally CPU load and Blue screen

[rvadmin at mail dot ru]

From: rvadmin at mail dot ru
Operating system: Windows XP
PHP version: 5.2.0
PHP Bug Type: cURL related
Bug description: curl_multi, PHP/CLI crash, abnormally CPU load and Blue screen

Description:
------------
I use curl_multi on php command line version at Windows XP.
After some time, php crashes (sometimes php.net, sometimes php_curl.dll).
If php after 1 hour working normal, after 2 hours winsock crashes. My
script is web crawler that downloading web pages and save them.
I tried many builds of Windows XP, many versions of PHP5 and many
computers!!!.
On php 5.2.0 php not crashes, but windows crashes!!! (blue screen of
death:).
Usually I use 30 threads.

I need help, because I dont know how to resolve this problem!
Please, sorry for my bad English!!!

Thank you.



Reproduce code:
---------------
<?
/*Only part of script*/
$urls=array("http://php.net"/*.... and other*/);
function read_header($ch, $string)
{
$length = strlen($string);
if(substr($string,0,13)=="Content-Type:" &&
!preg_match("#(text/html|text/plain)#",$string))
return false; # if it is not HTML
else
return $length;
}
$mh = curl_multi_init();

foreach ($urls as $i => $url)
{

$conn[$i]=curl_init();
curl_setopt($conn[$i],CURLOPT_URL,$url);
curl_setopt($conn[$i],CURLOPT_RETURNTRANSFER,1);//return data as string
curl_setopt($conn[$i],CURLOPT_CONNECTTIMEOUT,30);//timeout
curl_setopt($conn[$i], CURLOPT_TIMEOUT, 120);
curl_setopt($conn[$i], CURLOPT_MAXREDIRS, 1);
curl_setopt($conn[$i], CURLOPT_NOSIGNAL, 1);
curl_setopt($conn[$i], CURLOPT_NOPROGRESS, 1);
curl_setopt($conn[$i], CURLOPT_FAILONERROR, 1);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYHOST,0);
curl_setopt($conn[$i],CURLOPT_HEADERFUNCTION, 'read_header');
curl_setopt($conn[$i],CURLOPT_FOLLOWLOCATION,1);
curl_setopt($conn[$i],CURLOPT_USERAGENT,"Mozilla/4.0 (compatible; MSIE
6.0; Windows NT 5.1)");

curl_multi_add_handle ($mh,$conn[$i]);

}

do { $mrc=curl_multi_exec($mh,$active); } while ($mrc ==
CURLM_CALL_MULTI_PERFORM);

while ($active and $mrc == CURLM_OK) {
// wait for network
if (curl_multi_select($mh) != -1) {
// pull in any new data, or at least handle timeouts
do {
$mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}
$ret=array();

foreach ($data as $i => $url)
{
if (($err = curl_error($conn[$i])) == '')
{
$c=curl_multi_getcontent($conn[$i]);
if($c!==false)
$ret[$i]=$c;
}

curl_multi_remove_handle($mh,$conn[$i]);
curl_close($conn[$i]);
}
curl_multi_close($mh);
/*...*/
?>

Expected result:
----------------
Curl and php/cli must work normal without high CPU loading when working
long time and without winsock and php crashes.

Actual result:
--------------
Php crashes or (if php works long time) winsock crashes or windows XP (at
PHP 5.2.0 ) blue screen crash

--
Edit bug report at [url]http://bugs.php.net/?id=40138&edit=1[/url]
--
Try a CVS snapshot (PHP 4.4): [url]http://bugs.php.net/fix.php?id=40138&r=trysnapshot44[/url]
Try a CVS snapshot (PHP 5.2): [url]http://bugs.php.net/fix.php?id=40138&r=trysnapshot52[/url]
Try a CVS snapshot (PHP 6.0): [url]http://bugs.php.net/fix.php?id=40138&r=trysnapshot60[/url]
Fixed in CVS: [url]http://bugs.php.net/fix.php?id=40138&r=fixedcvs[/url]
Fixed in release: [url]http://bugs.php.net/fix.php?id=40138&r=alreadyfixed[/url]
Need backtrace: [url]http://bugs.php.net/fix.php?id=40138&r=needtrace[/url]
Need Reproduce Script: [url]http://bugs.php.net/fix.php?id=40138&r=needscript[/url]
Try newer version: [url]http://bugs.php.net/fix.php?id=40138&r=oldversion[/url]
Not developer issue: [url]http://bugs.php.net/fix.php?id=40138&r=support[/url]
Expected behavior: [url]http://bugs.php.net/fix.php?id=40138&r=notwrong[/url]
Not enough info: [url]http://bugs.php.net/fix.php?id=40138&r=notenoughinfo[/url]
Submitted twice: [url]http://bugs.php.net/fix.php?id=40138&r=submittedtwice[/url]
register_globals: [url]http://bugs.php.net/fix.php?id=40138&r=globals[/url]
PHP 3 support discontinued: [url]http://bugs.php.net/fix.php?id=40138&r=php3[/url]
Daylight Savings: [url]http://bugs.php.net/fix.php?id=40138&r=dst[/url]
IIS Stability: [url]http://bugs.php.net/fix.php?id=40138&r=isapi[/url]
Install GNU Sed: [url]http://bugs.php.net/fix.php?id=40138&r=gnused[/url]
Floating point limitations: [url]http://bugs.php.net/fix.php?id=40138&r=float[/url]
No Zend Extensions: [url]http://bugs.php.net/fix.php?id=40138&r=nozend[/url]
MySQL Configuration Error: [url]http://bugs.php.net/fix.php?id=40138&r=mysqlcfg[/url]

[rvadmin at mail dot ru]

ID: 40138
User updated by: rvadmin at mail dot ru
Reported By: rvadmin at mail dot ru
Status: Open
Bug Type: cURL related
Operating System: Windows XP
PHP Version: 5.2.0
New Comment:

OOPS, not php.net but php.exe!
(sometimes php.exe, sometimes
php_curl.dll)


Previous Comments:
------------------------------------------------------------------------

[2007-01-15 20:13:13] rvadmin at mail dot ru

Description:
------------
I use curl_multi on php command line version at Windows XP.
After some time, php crashes (sometimes php.net, sometimes
php_curl.dll). If php after 1 hour working normal, after 2 hours
winsock crashes. My script is web crawler that downloading web pages
and save them.
I tried many builds of Windows XP, many versions of PHP5 and many
computers!!!.
On php 5.2.0 php not crashes, but windows crashes!!! (blue screen of
death:).
Usually I use 30 threads.

I need help, because I dont know how to resolve this problem!
Please, sorry for my bad English!!!

Thank you.



Reproduce code:
---------------
<?
/*Only part of script*/
$urls=array("http://php.net"/*.... and other*/);
function read_header($ch, $string)
{
$length = strlen($string);
if(substr($string,0,13)=="Content-Type:" &&
!preg_match("#(text/html|text/plain)#",$string))
return false; # if it is not HTML
else
return $length;
}
$mh = curl_multi_init();

foreach ($urls as $i => $url)
{

$conn[$i]=curl_init();
curl_setopt($conn[$i],CURLOPT_URL,$url);
curl_setopt($conn[$i],CURLOPT_RETURNTRANSFER,1);//return data as
string
curl_setopt($conn[$i],CURLOPT_CONNECTTIMEOUT,30);//timeout
curl_setopt($conn[$i], CURLOPT_TIMEOUT, 120);
curl_setopt($conn[$i], CURLOPT_MAXREDIRS, 1);
curl_setopt($conn[$i], CURLOPT_NOSIGNAL, 1);
curl_setopt($conn[$i], CURLOPT_NOPROGRESS, 1);
curl_setopt($conn[$i], CURLOPT_FAILONERROR, 1);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYHOST,0);
curl_setopt($conn[$i],CURLOPT_HEADERFUNCTION, 'read_header');
curl_setopt($conn[$i],CURLOPT_FOLLOWLOCATION,1);
curl_setopt($conn[$i],CURLOPT_USERAGENT,"Mozilla/4.0 (compatible; MSIE
6.0; Windows NT 5.1)");

curl_multi_add_handle ($mh,$conn[$i]);

}

do { $mrc=curl_multi_exec($mh,$active); } while ($mrc ==
CURLM_CALL_MULTI_PERFORM);

while ($active and $mrc == CURLM_OK) {
// wait for network
if (curl_multi_select($mh) != -1) {
// pull in any new data, or at least handle timeouts
do {
$mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}
$ret=array();

foreach ($data as $i => $url)
{
if (($err = curl_error($conn[$i])) == '')
{
$c=curl_multi_getcontent($conn[$i]);
if($c!==false)
$ret[$i]=$c;
}

curl_multi_remove_handle($mh,$conn[$i]);
curl_close($conn[$i]);
}
curl_multi_close($mh);
/*...*/
?>

Expected result:
----------------
Curl and php/cli must work normal without high CPU loading when working
long time and without winsock and php crashes.

Actual result:
--------------
Php crashes or (if php works long time) winsock crashes or windows XP
(at PHP 5.2.0 ) blue screen crash


------------------------------------------------------------------------


--
Edit this bug report at [url]http://bugs.php.net/?id=40138&edit=1[/url]

[rvadmin at mail dot ru]

ID: 40138
User updated by: rvadmin at mail dot ru
Reported By: rvadmin at mail dot ru
-Status: Bogus
+Status: Open
Bug Type: cURL related
Operating System: Windows XP
PHP Version: 5.2.0
New Comment:

ok, but why php_curl.dll crashes on PHP <5.2.0???


Previous Comments:
------------------------------------------------------------------------

[2007-01-15 20:37:51] [email]tony2001@php.net[/email]

Windows crashes are not PHP problems, even if they are reproducible
only with PHP.

------------------------------------------------------------------------

[2007-01-15 20:14:31] rvadmin at mail dot ru

OOPS, not php.net but php.exe!
(sometimes php.exe, sometimes
php_curl.dll)

------------------------------------------------------------------------

[2007-01-15 20:13:13] rvadmin at mail dot ru

Description:
------------
I use curl_multi on php command line version at Windows XP.
After some time, php crashes (sometimes php.net, sometimes
php_curl.dll). If php after 1 hour working normal, after 2 hours
winsock crashes. My script is web crawler that downloading web pages
and save them.
I tried many builds of Windows XP, many versions of PHP5 and many
computers!!!.
On php 5.2.0 php not crashes, but windows crashes!!! (blue screen of
death:).
Usually I use 30 threads.

I need help, because I dont know how to resolve this problem!
Please, sorry for my bad English!!!

Thank you.



Reproduce code:
---------------
<?
/*Only part of script*/
$urls=array("http://php.net"/*.... and other*/);
function read_header($ch, $string)
{
$length = strlen($string);
if(substr($string,0,13)=="Content-Type:" &&
!preg_match("#(text/html|text/plain)#",$string))
return false; # if it is not HTML
else
return $length;
}
$mh = curl_multi_init();

foreach ($urls as $i => $url)
{

$conn[$i]=curl_init();
curl_setopt($conn[$i],CURLOPT_URL,$url);
curl_setopt($conn[$i],CURLOPT_RETURNTRANSFER,1);//return data as
string
curl_setopt($conn[$i],CURLOPT_CONNECTTIMEOUT,30);//timeout
curl_setopt($conn[$i], CURLOPT_TIMEOUT, 120);
curl_setopt($conn[$i], CURLOPT_MAXREDIRS, 1);
curl_setopt($conn[$i], CURLOPT_NOSIGNAL, 1);
curl_setopt($conn[$i], CURLOPT_NOPROGRESS, 1);
curl_setopt($conn[$i], CURLOPT_FAILONERROR, 1);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYHOST,0);
curl_setopt($conn[$i],CURLOPT_HEADERFUNCTION, 'read_header');
curl_setopt($conn[$i],CURLOPT_FOLLOWLOCATION,1);
curl_setopt($conn[$i],CURLOPT_USERAGENT,"Mozilla/4.0 (compatible; MSIE
6.0; Windows NT 5.1)");

curl_multi_add_handle ($mh,$conn[$i]);

}

do { $mrc=curl_multi_exec($mh,$active); } while ($mrc ==
CURLM_CALL_MULTI_PERFORM);

while ($active and $mrc == CURLM_OK) {
// wait for network
if (curl_multi_select($mh) != -1) {
// pull in any new data, or at least handle timeouts
do {
$mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}
$ret=array();

foreach ($data as $i => $url)
{
if (($err = curl_error($conn[$i])) == '')
{
$c=curl_multi_getcontent($conn[$i]);
if($c!==false)
$ret[$i]=$c;
}

curl_multi_remove_handle($mh,$conn[$i]);
curl_close($conn[$i]);
}
curl_multi_close($mh);
/*...*/
?>

Expected result:
----------------
Curl and php/cli must work normal without high CPU loading when working
long time and without winsock and php crashes.

Actual result:
--------------
Php crashes or (if php works long time) winsock crashes or windows XP
(at PHP 5.2.0 ) blue screen crash


------------------------------------------------------------------------


--
Edit this bug report at [url]http://bugs.php.net/?id=40138&edit=1[/url]

[tony2001@php.net]

ID: 40138
Updated by: [email]tony2001@php.net[/email]
Reported By: rvadmin at mail dot ru
-Status: Open
+Status: Bogus
Bug Type: cURL related
Operating System: Windows XP
PHP Version: 5.2.0
New Comment:

Update PHP to the latest version.
I don't think we can go to the past and re-fix something that has been
already fixed in 5.2.0.


Previous Comments:
------------------------------------------------------------------------

[2007-01-16 08:18:55] rvadmin at mail dot ru

ok, but why php_curl.dll crashes on PHP <5.2.0???

------------------------------------------------------------------------

[2007-01-15 20:37:51] [email]tony2001@php.net[/email]

Windows crashes are not PHP problems, even if they are reproducible
only with PHP.

------------------------------------------------------------------------

[2007-01-15 20:14:31] rvadmin at mail dot ru

OOPS, not php.net but php.exe!
(sometimes php.exe, sometimes
php_curl.dll)

------------------------------------------------------------------------

[2007-01-15 20:13:13] rvadmin at mail dot ru

Description:
------------
I use curl_multi on php command line version at Windows XP.
After some time, php crashes (sometimes php.net, sometimes
php_curl.dll). If php after 1 hour working normal, after 2 hours
winsock crashes. My script is web crawler that downloading web pages
and save them.
I tried many builds of Windows XP, many versions of PHP5 and many
computers!!!.
On php 5.2.0 php not crashes, but windows crashes!!! (blue screen of
death:).
Usually I use 30 threads.

I need help, because I dont know how to resolve this problem!
Please, sorry for my bad English!!!

Thank you.



Reproduce code:
---------------
<?
/*Only part of script*/
$urls=array("http://php.net"/*.... and other*/);
function read_header($ch, $string)
{
$length = strlen($string);
if(substr($string,0,13)=="Content-Type:" &&
!preg_match("#(text/html|text/plain)#",$string))
return false; # if it is not HTML
else
return $length;
}
$mh = curl_multi_init();

foreach ($urls as $i => $url)
{

$conn[$i]=curl_init();
curl_setopt($conn[$i],CURLOPT_URL,$url);
curl_setopt($conn[$i],CURLOPT_RETURNTRANSFER,1);//return data as
string
curl_setopt($conn[$i],CURLOPT_CONNECTTIMEOUT,30);//timeout
curl_setopt($conn[$i], CURLOPT_TIMEOUT, 120);
curl_setopt($conn[$i], CURLOPT_MAXREDIRS, 1);
curl_setopt($conn[$i], CURLOPT_NOSIGNAL, 1);
curl_setopt($conn[$i], CURLOPT_NOPROGRESS, 1);
curl_setopt($conn[$i], CURLOPT_FAILONERROR, 1);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($conn[$i],CURLOPT_SSL_VERIFYHOST,0);
curl_setopt($conn[$i],CURLOPT_HEADERFUNCTION, 'read_header');
curl_setopt($conn[$i],CURLOPT_FOLLOWLOCATION,1);
curl_setopt($conn[$i],CURLOPT_USERAGENT,"Mozilla/4.0 (compatible; MSIE
6.0; Windows NT 5.1)");

curl_multi_add_handle ($mh,$conn[$i]);

}

do { $mrc=curl_multi_exec($mh,$active); } while ($mrc ==
CURLM_CALL_MULTI_PERFORM);

while ($active and $mrc == CURLM_OK) {
// wait for network
if (curl_multi_select($mh) != -1) {
// pull in any new data, or at least handle timeouts
do {
$mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}
$ret=array();

foreach ($data as $i => $url)
{
if (($err = curl_error($conn[$i])) == '')
{
$c=curl_multi_getcontent($conn[$i]);
if($c!==false)
$ret[$i]=$c;
}

curl_multi_remove_handle($mh,$conn[$i]);
curl_close($conn[$i]);
}
curl_multi_close($mh);
/*...*/
?>

Expected result:
----------------
Curl and php/cli must work normal without high CPU loading when working
long time and without winsock and php crashes.

Actual result:
--------------
Php crashes or (if php works long time) winsock crashes or windows XP
(at PHP 5.2.0 ) blue screen crash


------------------------------------------------------------------------


--
Edit this bug report at [url]http://bugs.php.net/?id=40138&edit=1[/url]