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Bug #20084 curl_exec crashes apache thread
Submitted: 2002-10-25 07:02 UTC Modified: 2002-11-10 18:26 UTC
From: anton at concord dot ru Assigned:
Status: No Feedback Package: cURL related
PHP Version: 4.2.3 OS: FreeBSD 4.3, 4.5
Private report: No CVE-ID: None
 [2002-10-25 07:02 UTC] anton at concord dot ru
I use php_curl module, library version 7.10.1
I send around 100 GET requests on one site  for example like this:
<?
for ($i=0;$i<100;$i++) {
  if (!$ch=curl_init()) break;
  curl_setopt($ch,CURLOPT_URL,"http://www.cnn.com");
  error_log("curl start");
  curl_exec($ch);
  error_log("curl end");
}
curl_close($ch);
?>
I use FreeBSD 4.3 and FreeBSD 4.5 with Apache 1.3.26 and php 4.2.3 as apache module.
I included output before curl_exec and after it into php error. On 50-55 times apache thread crashes with message: "child pid 51696 exit signal Segmentation fault (11)." May be memory leak exists deep inside of curl library? Last message in php error log is: "curl start".
I think so, because i used next example where curl handle is only one.
<?
if (!$ch=curl_init()) exit;
for ($i=0;$i<100;$i++) {
  curl_setopt($ch,CURLOPT_URL,"http://www.cnn.com");
  error_log("curl start");
  curl_exec($ch);
  error_log("curl end");
}
curl_close($ch);
?>
The result was same.


Thanks in advance.
Anton Kalmykov
anton@concord.ru

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 [2002-10-25 12:28 UTC] sniper@php.net
Please try using this CVS snapshot:

  http://snaps.php.net/php4-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-latest.zip

I can not reproduce this.

 [2002-11-10 18:26 UTC] sniper@php.net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.


 
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