php-src/sapi/fuzzer/fuzzer-unserialize.c
Niels Dossche a67f351b67
Merge branch 'PHP-8.3' into PHP-8.4
* PHP-8.3:
  Fix GH-18082: Memory leaks in fuzzer SAPI error paths
2025-03-16 16:38:55 +01:00

68 lines
1.9 KiB
C

/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Johannes Schlüter <johanes@php.net> |
+----------------------------------------------------------------------+
*/
#include "fuzzer.h"
#include "Zend/zend.h"
#include <main/php_config.h>
#include "main/php_main.h"
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include "fuzzer-sapi.h"
#include "ext/standard/php_var.h"
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (fuzzer_request_startup() == FAILURE) {
return 0;
}
unsigned char *orig_data = malloc(Size+1);
memcpy(orig_data, Data, Size);
orig_data[Size] = '\0';
fuzzer_setup_dummy_frame();
{
const unsigned char *data = orig_data;
zval result;
ZVAL_UNDEF(&result);
php_unserialize_data_t var_hash;
PHP_VAR_UNSERIALIZE_INIT(var_hash);
php_var_unserialize(&result, (const unsigned char **) &data, data + Size, &var_hash);
PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
zval_ptr_dtor(&result);
}
free(orig_data);
fuzzer_request_shutdown();
return 0;
}
int LLVMFuzzerInitialize(int *argc, char ***argv) {
fuzzer_init_php(NULL);
/* fuzzer_shutdown_php(); */
return 0;
}