Assertion failure Zend/zend_exceptions.c:197

[YuanchengJiang]

Description

The following code:

<?php
if (defined("pass3")) {
} else {
function errorHandler($errorNumber, $errorMessage, $fileName, $lineNumber) {
define("pass3", 1);
include(__FILE__);
}
set_error_handler('errorHandler');
}
$resource = zend_test_create_throwing_resource();
try {ldap_delete_ext($fileName,$exception,$fileName);} catch (Exception $e) { echo($e); }

Resulted in this output:

php: /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_exceptions.c:197: void zend_throw_exception_internal(zend_object *): Assertion `is_handle_exception_set() && "HANDLE_EXCEPTION not set?"' failed.
Aborted (core dumped)

PHP Version

nightly

Operating System

No response

[nielsdos]

Simplified test:

<?php
declare(strict_types=1);
function errorHandler($errorNumber, $errorMessage, $fileName, $lineNumber) {
    $resource = zend_test_create_throwing_resource();
    strlen(null);
}
set_error_handler('errorHandler');
echo $undef;

[nielsdos]

The assertion may be too conservative, as the HANDLE_EXCEPTION is set later on. But I'm not sure (yet).

diff --git a/Zend/zend_exceptions.c b/Zend/zend_exceptions.c
index 11b615c214a..0c3c6e8f743 100644
--- a/Zend/zend_exceptions.c
+++ b/Zend/zend_exceptions.c
@@ -193,7 +193,7 @@ ZEND_API ZEND_COLD void zend_throw_exception_internal(zend_object *exception) /*
 		zend_exception_set_previous(exception, EG(exception));
 		EG(exception) = exception;
 		if (previous) {
-			ZEND_ASSERT(is_handle_exception_set() && "HANDLE_EXCEPTION not set?");
+			//ZEND_ASSERT(is_handle_exception_set() && "HANDLE_EXCEPTION not set?");
 			return;
 		}
 	}