Bug #51424 [Asn]: crypt() function hangs after 3rd call

From: Date: Wed, 16 Jun 2010 13:04:03 +0000
Subject: Bug #51424 [Asn]: crypt() function hangs after 3rd call
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-151523@lists.php.net to get a copy of this message 
Edit report at http://bugs.php.net/bug.php?id=51424&edit=1

 ID:               51424
 Updated by:       srinatar@php.net
 Reported by:      laacz at laacz dot lv
 Summary:          crypt() function hangs after 3rd call
 Status:           Assigned
 Type:             Bug
 Package:          Strings related
 Operating System: Ubuntu 9.04 x64
 PHP Version:      5.3.2
 Assigned To:      pajoye

 New Comment:

hi  laacz at laacz dot lv
 can u please try with this patch and see if this addresses u r issue

to apply this patch, u will need to save the below contents into a file
and 
run

cd php-5.3.2
patch -d . < <saved-file-name>

gmake clean
gmake

 
--- ext/standard/php_crypt_r.c.orig     Wed Jun 16 05:59:16 2010
+++ ext/standard/php_crypt_r.c  Wed Jun 16 06:00:17 2010
@@ -81,9 +81,7 @@
        tsrm_mutex_lock(php_crypt_extended_init_lock);
 #endif
 
-       if (initialized) {
-               return;
-       } else {
+       if (!initialized) {
                _crypt_extended_init();
                initialized = 1;
        }


Previous Comments:
------------------------------------------------------------------------
[2010-06-15 15:43:34] pajoye@php.net

Automatic comment from SVN on behalf of pajoye
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=300466
Log: - #51424, silent warnings on win

------------------------------------------------------------------------
[2010-06-15 11:26:24] pajoye@php.net

Automatic comment from SVN on behalf of pajoye
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=300460
Log: - Fix #51424, crypt() function hangs after 3rd call

------------------------------------------------------------------------
[2010-06-15 11:26:10] pajoye@php.net

Automatic comment from SVN on behalf of pajoye
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=300459
Log: - Fix #51424, crypt() function hangs after 3rd call

------------------------------------------------------------------------
[2010-06-05 01:18:27] tallyce at gmail dot com

Also confirmed third call hang on Win7/Apache2.2/PHP5.3.2.

Can anyone suggest a workaround until the next release?

------------------------------------------------------------------------
[2010-05-27 02:34:10] thbley at gmail dot com

Same problem on windows (5.3.2 binary, php5apache2_2.dll):

Run 2 requests in parallel:
for ($i=0; $i<500000; $i++) {
  crypt('a', '_');
}

ab -n 1 -c 1 http://localhost/test.php
=> ~1 second, ok

ab -n 2 -c 2 http://localhost/test.php
=> hangs

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


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