From: x-xiang <x.xiang@outlook.com>
Date: Wed, 8 Mar 2017 03:43:14 +0000 (+0800)
Subject: Don't retain mt_rand() seeds across requests
X-Git-Tag: php-7.1.4RC1~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e9e860a05be187862a0213f8c6c58aff2293bb22;p=php

Don't retain mt_rand() seeds across requests

In particular, this prevents manual seeding of mt_rand() to leak
across requests.
---

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index aaf4301d64..4784a216e1 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -3810,6 +3810,8 @@ PHP_RSHUTDOWN_FUNCTION(basic) /* {{{ */
 	zend_hash_destroy(&BG(putenv_ht));
 #endif
 
+	BG(mt_rand_is_seeded) = 0;
+
 	if (BG(umask) != -1) {
 		umask(BG(umask));
 	}