Properly propagate url_stat exceptions during include

Make sure we abort operations early, and that we don't emit
additional warnings or errors if an exception has been thrown.

Author: nikic

Zend/tests/bug60909_1.phpt

@@ -11,14 +11,12 @@ set_error_handler(function($errno, $errstr, $errfile, $errline){
 require 'notfound.php';
 --EXPECTF--
 error(require(notfound.php): failed to open stream: %s)
-Warning: Uncaught Exception: Foo in %sbug60909_1.php:5
+Fatal error: Uncaught Exception: Foo in %sbug60909_1.php:5
 Stack trace:
 #0 %sbug60909_1.php(8): {closure}(2, 'require(notfoun...', '%s', 8, Array)
 #1 %sbug60909_1.php(8): require()
 #2 {main}
   thrown in %sbug60909_1.php on line 5
 
-Fatal error: main(): Failed opening required 'notfound.php' (include_path='%s') in %sbug60909_1.php on line 8
-
 
 !!!shutdown!!!

Zend/tests/exception_during_include_stat.phpt

@@ -0,0 +1,41 @@
+--TEST--
+Make sure exceptions during include/require stating are properly propagated
+--FILE--
+<?php
+
+class StreamWrapper {
+    public function url_stat($path, $flags) {
+        throw new Exception('stat failed');
+    }
+}
+
+stream_wrapper_register('test', StreamWrapper::class);
+set_include_path('test://foo:test://bar');
+
+try {
+    require_once 'doesnt_exist.php';
+} catch (Exception $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    require 'doesnt_exist.php';
+} catch (Exception $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    include_once 'doesnt_exist.php';
+} catch (Exception $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    include 'doesnt_exist.php';
+} catch (Exception $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+stat failed
+stat failed
+stat failed
+stat failed

Zend/zend_execute.c

@@ -4192,6 +4192,8 @@ static zend_never_inline zend_op_array* ZEND_FASTCALL zend_include_or_eval(zval
 					if (zend_hash_exists(&EG(included_files), resolved_path)) {
 						goto already_compiled;
 					}
+				} else if (UNEXPECTED(EG(exception))) {
+					break;
 				} else if (UNEXPECTED(strlen(Z_STRVAL_P(inc_filename)) != Z_STRLEN_P(inc_filename))) {
 					zend_message_dispatcher(
 						(type == ZEND_INCLUDE_ONCE) ?

Zend/zend_language_scanner.l

@@ -637,11 +637,13 @@ ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type)
 	zend_save_lexical_state(&original_lex_state);
 
 	if (open_file_for_scanning(file_handle)==FAILURE) {
-		if (type==ZEND_REQUIRE) {
-			zend_message_dispatcher(ZMSG_FAILED_REQUIRE_FOPEN, file_handle->filename);
-			zend_bailout();
-		} else {
-			zend_message_dispatcher(ZMSG_FAILED_INCLUDE_FOPEN, file_handle->filename);
+		if (!EG(exception)) {
+			if (type==ZEND_REQUIRE) {
+				zend_message_dispatcher(ZMSG_FAILED_REQUIRE_FOPEN, file_handle->filename);
+				zend_bailout();
+			} else {
+				zend_message_dispatcher(ZMSG_FAILED_INCLUDE_FOPEN, file_handle->filename);
+			}
 		}
 	} else {
 		op_array = zend_compile(ZEND_USER_FUNCTION);

ext/standard/tests/filters/object_init_failure_2.phpt

@@ -16,6 +16,4 @@ try {
 Warning: main(): unable to create or locate filter "sample.filter" in %s on line %d
 
 Warning: main(): Unable to create filter (sample.filter) in %s on line %d
-
-Warning: main(): Failed opening '%s' for inclusion (include_path='%s') in %s on line %d
 Undefined constant 'FOO'

main/fopen_wrappers.c

@@ -561,6 +561,9 @@ PHPAPI zend_string *php_resolve_path(const char *filename, size_t filename_lengt
 					if (SUCCESS == wrapper->wops->url_stat(wrapper, trypath, 0, &ssb, NULL)) {
 						return zend_string_init(trypath, strlen(trypath), 0);
 					}
+					if (EG(exception)) {
+						return NULL;
+					}
 				}
 				continue;
 			}
@@ -598,6 +601,9 @@ PHPAPI zend_string *php_resolve_path(const char *filename, size_t filename_lengt
 						if (SUCCESS == wrapper->wops->url_stat(wrapper, trypath, 0, &ssb, NULL)) {
 							return zend_string_init(trypath, strlen(trypath), 0);
 						}
+						if (EG(exception)) {
+							return NULL;
+						}
 					}
 					return NULL;
 				}

main/streams/streams.c

@@ -2074,6 +2074,9 @@ PHPAPI php_stream *_php_stream_open_wrapper_ex(const char *path, const char *mod
 			options |= STREAM_ASSUME_REALPATH;
 			options &= ~USE_PATH;
 		}
+		if (EG(exception)) {
+			return NULL;
+		}
 	}
 
 	path_to_open = path;