FIx bug #70433 - Uninitialized pointer in phar_make_dirstream when zip entry filename is "/"

ext/phar/dirstream.c

@@ -207,7 +207,7 @@ static php_stream *phar_make_dirstream(char *dir, HashTable *manifest TSRMLS_DC)
 	zend_hash_internal_pointer_reset(manifest);
 
 	while (FAILURE != zend_hash_has_more_elements(manifest)) {
-		if (HASH_KEY_NON_EXISTENT == zend_hash_get_current_key_ex(manifest, &key, &keylen, &unused, 0, NULL)) {
+		if (HASH_KEY_IS_STRING != zend_hash_get_current_key_ex(manifest, &key, &keylen, &unused, 0, NULL)) {
 			break;
 		}
 

ext/phar/tests/bug70433.phpt

@@ -0,0 +1,23 @@
+--TEST--
+Phar - bug #70433 - Uninitialized pointer in phar_make_dirstream when zip entry filename is "/"
+--SKIPIF--
+<?php if (!extension_loaded("phar")) die("skip"); ?>
+--FILE--
+<?php
+$phar = new PharData(__DIR__."/bug70433.zip");
+var_dump($phar);
+$meta = $phar->getMetadata();
+var_dump($meta);
+?>
+DONE
+--EXPECTF--
+object(PharData)#1 (3) {
+  ["pathName":"SplFileInfo":private]=>
+  string(0) ""
+  ["glob":"DirectoryIterator":private]=>
+  bool(false)
+  ["subPathName":"RecursiveDirectoryIterator":private]=>
+  string(0) ""
+}
+NULL
+DONE