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Bug #70536 Webserver crashes when posix_kill PID is null
Submitted: 2015-09-20 15:13 UTC Modified: 2015-09-20 16:38 UTC
From: roberto-1995 at live dot it Assigned:
Status: Not a bug Package: POSIX related
PHP Version: 5.4.45 OS: Debian GNU/Linux
Private report: No CVE-ID: None
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 [2015-09-20 15:13 UTC] roberto-1995 at live dot it 
Description:
------------
Lighttpd web server: getting a pid from a database. there was no row so I was getting null. when calling posix_kill(SIGUSR1, $pid) the webserver crashed.



Test script:
---------------
<?php

$pid = NULL;

posix_kill(SIGUSR1, $pid);

?>

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AllCommentsChangesGit/SVN commitsRelated reports
 [2015-09-20 16:38 UTC] laruence@php.net 
If pid equals 0, then sig is sent to every process in the process group of the calling process.
 [2015-09-20 16:38 UTC] laruence@php.net
-Status: Open +Status: Not a bug
 [2015-09-20 16:38 UTC] laruence@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php
 
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