Merge branch 'PHP-7.0' of git.php.net:/php-src into PHP-7.0

* 'PHP-7.0' of git.php.net:/php-src:
  Fixed bug #74402 (segfault on random_bytes, bin2hex, openssl_seal)

Author: krakjoe

ext/openssl/openssl.c

@@ -5399,7 +5399,6 @@ PHP_FUNCTION(openssl_seal)
 
 	if (len1 + len2 > 0) {
 		zval_dtor(sealdata);
-		buf[len1 + len2] = '\0';
 		ZVAL_NEW_STR(sealdata, zend_string_init((char*)buf, len1 + len2, 0));
 		efree(buf);
 

ext/openssl/tests/bug74402.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Bug #74402 (segfault on random_bytes, bin3hex, openssl_seal)
+--SKIPIF--
+<?php
+if (!extension_loaded("openssl")) {
+	print "skip";
+}
+if (!in_array('AES256', openssl_get_cipher_methods(true))) {
+	print "skip";
+}
+?>
+--FILE--
+<?php
+$data = "23153b1cf683cb16f8d71190a7c42f38fecda27c29a7bc8991c9f6a2a63602bf";
+$key = array("-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqvjCLfpS0MyilIjR+IsH
+HPH8TqFUCw4kTAVmTy9SDZV9hHYY2EPgrlTd7gvMP/DWipvBD6Y5w2bPdAQoXr5D
+qEKAGkE+1El4hS8XyuOdYXSYTDH1HPSlFiGdgsnlkFcbh/fJyzIKBaGLnWxsjhiS
+deiI7KuEkI9zt+X2r4KqFt/dhnXz0kcB1M7qyhQ6Rvijgjy/A1LsN4ZAREFLCEjb
+1AP9nk0QAUHWcG5MvbgsE20Pn4R5wFsMFBTvNmb34jHFREgR9j4DYcV5FFR3tKb8
+3XtjE9/kjfK29BSpiyXZs8PSqDhO00vh6txUB4VfkVUD2Bi93rxDeyALnCW7My+l
+YwIDAQAB
+-----END PUBLIC KEY-----");
+$iv = '';
+var_dump(strlen($data));
+var_dump(openssl_seal($data, $sealed_data, $env_keys, $key, 'AES256', $iv));
+?>
+--EXPECTF--
+int(64)
+int(80)