From: Anatol Belski <ab@php.net>
Date: Fri, 12 Sep 2014 20:18:06 +0000 (+0200)
Subject: fix possible nullptr derefrence
X-Git-Tag: PRE_NATIVE_TLS_MERGE~150^2~18^2~35
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7ac5a36a2f37b167d0114e6e2720086ba5c6c567;p=php

fix possible nullptr derefrence
---

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index b45db8a9b4..f37ae5614e 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -4861,9 +4861,11 @@ static int user_shutdown_function_call(zval *zv TSRMLS_DC) /* {{{ */
 	zend_string *function_name;
 
 	if (!zend_is_callable(&shutdown_function_entry->arguments[0], 0, &function_name TSRMLS_CC)) {
-		php_error(E_WARNING, "(Registered shutdown functions) Unable to call %s() - function does not exist", function_name->val);
 		if (function_name) {
+			php_error(E_WARNING, "(Registered shutdown functions) Unable to call %s() - function does not exist", function_name->val);
 			zend_string_release(function_name);
+		} else {
+			php_error(E_WARNING, "(Registered shutdown functions) Unable to call - function does not exist");
 		}
 		return 0;
 	}