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Bug #43437 Second SOAP call causes segfault
Submitted: 2007-11-28 10:10 UTC Modified: 2009-02-21 01:00 UTC
Votes:15
Avg. Score:4.4 ± 0.9
Reproduced:14 of 14 (100.0%)
Same Version:5 (35.7%)
Same OS:5 (35.7%)
From: denis dot arh at gmail dot com Assigned:
Status: No Feedback Package: SOAP related
PHP Version: 5.2.5 OS: CentOS 5
Private report: No CVE-ID: None
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From: denis dot arh at gmail dot com
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 [2007-11-28 10:10 UTC] denis dot arh at gmail dot com 
Description:
------------
Same problems (segfault) with second call on same client object (re-opening SoapClient solves this issue)

Similar problems as described here: #35570


Reproduce code:
---------------
$c = new SoapClient('api_v0.2.wsdl', array(
	'encoding'   => 'UTF-8', 
	'trace'      => true,
	'exceptions' => true,
));

// call 1  --> OK
// call 2  --> segfault

Expected result:
----------------
Both calls ok, no segfault

Actual result:
--------------
PHP Warning:
Warning: SoapClient::__doRequest(): 31 bytes of buffered data lost during stream conversion! 

Segmentation fault

---------

#0  0x00b43333 in strlen () from /lib/libc.so.6
#1  0x012589c2 in get_http_header_value (headers=0x0, type=0x127c3fb "HTTP/") at /usr/src/redhat/BUILD/php-5.2.5/ext/soap/php_http.c:1144
#2  0x0125ad3a in make_http_soap_request (this_ptr=0x84d9bd0,
    buf=0x850a6a0 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:ns1=\"http://schemas.zejn.si/AvtoPortal/\"><SOAP-ENV:Body><ns1:login><userName>"..., buf_size=302, location=0x84e49a4 "http://dev.avtooglasnik.lan/api/api_v0.2.php",
    soapaction=0x84e4b00 "http://dev.avtooglasnik.lan/api/php?application=embedded&service=AdCaptureService&method=login", soap_version=1, buffer=0x84d9e70, buffer_len=0x84d9e74)
    at /usr/src/redhat/BUILD/php-5.2.5/ext/soap/php_http.c:734
#3  0x0123b973 in zim_SoapClient___doRequest (ht=5, return_value=0x84d9e70, return_value_ptr=0x0, this_ptr=0x84d9bd0, return_value_used=1)
    at /usr/src/redhat/BUILD/php-5.2.5/ext/soap/soap.c:3035
#4  0x0820b4ee in zend_call_function ()
#5  0x0820c4dc in call_user_function_ex ()
#6  0x0820c55b in call_user_function ()
#7  0x01240f19 in do_request (this_ptr=0x84d9bd0, request=<value optimized out>, location=0x84e49a4 "http://dev.avtooglasnik.lan/api/api_v0.2.php",
    action=0x84e4b00 "http://dev.avtooglasnik.lan/api/php?application=embedded&service=AdCaptureService&method=login", version=1, one_way=0, response=0xbfc75a30)
    at /usr/src/redhat/BUILD/php-5.2.5/ext/soap/soap.c:2549
#8  0x01246ba3 in do_soap_call (this_ptr=0x84d9bd0, function=0x84d6b50 "login", function_len=<value optimized out>, arg_count=1, real_args=0x84d9db0, return_value=0x84dc610,
    location=0x84e49a4 "http://dev.avtooglasnik.lan/api/api_v0.2.php", soap_action=0x0, call_uri=0x0, soap_headers=0x0, output_headers=0x0)
    at /usr/src/redhat/BUILD/php-5.2.5/ext/soap/soap.c:2673
#9  0x012479ec in zim_SoapClient___call (ht=2, return_value=0x84dc610, return_value_ptr=0x0, this_ptr=0x84d9bd0, return_value_used=1)
    at /usr/src/redhat/BUILD/php-5.2.5/ext/soap/soap.c:2889
#10 0x0820b4ee in zend_call_function ()
#11 0x0822ca6f in zend_call_method ()
#12 0x08233c05 in zend_std_call_user_call ()
#13 0x08238e20 in zend_do_fcall_common_helper_SPEC ()
#14 0x08237c7d in execute ()
#15 0x08216f1a in zend_execute_scripts ()
#16 0x081d0093 in php_execute_script ()
#17 0x0829cc76 in main ()

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 [2007-11-28 12:45 UTC] jani@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows (zip):
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip

For Windows (installer):

  http://snaps.php.net/win32/php5.2-win32-installer-latest.msi

I think it was fixed already, so please try the snapshot to verify.
 [2007-11-29 12:12 UTC] denis dot arh at gmail dot com 
Tried with the latest PHP (from the link you gave me) - still no luck

#0  0x0021f333 in strlen () from /lib/libc.so.6
#1  0x0817a9b6 in get_http_header_value (headers=0x0, type=0x83b8fec "HTTP/") at /usr/src/php/php5.2-200711290930/ext/soap/php_http.c:1144
#2  0x0817caef in make_http_soap_request (this_ptr=0x9fd5290,
    buf=0xa00c740 "<?xml version=\"1.0\" 

.....
 [2008-06-06 21:10 UTC] john dot navratil at sbcglobal dot net 
OS: Solaris 8
PHP: 5.2.4 and 5.2.6

SOAP Server Example -------:
<?
function myMethod($user, $pwd)
{
  $rslt = str_repeat('x', 7444);
  return $rslt;
}

ini_set("soap.wsdl_cache_enabled", "0"); // disabling WSDL cache
$server = new SoapServer("http://myURL/my.wsdl");
$server->addFunction("myMethod");
?>

SOAP Client test code -------:

<?php
ini_set("soap.wsdl_cache_enabled", "0"); // disabling WSDL cache -- remove after testing
$client = new SoapClient("http://myURL/my.wsdl");
try
{
        print($client->myMethod("asdf", "asdf"));
        print($client->myMethod("asdf", "asdf"));
}
catch (SoapFault $exception)
{
        echo $exception;
}
?>


Attempting to return a string 7443 X's succeeds.  7444 fails with message: PHP Warning:  SoapClient::__doRequest(): 1 bytes of buffered data lost during stream conversion!.  After failure, a second SOAP invocation results in a segmentation fault.

FWIW: Hitting the same SOAP server with a VBScript test script doesn't exhibit the error.
 [2009-02-13 22:18 UTC] felipe@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/
 [2009-02-21 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 [2009-12-22 11:03 UTC] bartosz dot kubek at google dot com 
PHP 5.2.6;  CentoOS5 and Ubuntu 8.04
I have exactly the same problem on both machines.
I can send ~300 SoapClient requests, and when one of it results false (null) the followup one causes segFault (script crashes and stops)
Any news here?
 
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