blob: 698ba42d2f4ebf0a66e154bc0316e80e07d85db1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stddef.h>
#include <stdint.h>
#include "env-util.h"
#include "fileio.h"
/* The entry point into the fuzzer */
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
static inline FILE* data_to_file(const uint8_t *data, size_t size) {
if (size == 0)
return fopen("/dev/null", "re");
else
return fmemopen_unlocked((char*) data, size, "r");
}
/* Check if we are within the specified size range.
* The upper limit is ignored if FUZZ_USE_SIZE_LIMIT is unset.
*/
static inline bool outside_size_range(size_t size, size_t lower, size_t upper) {
if (size < lower)
return true;
if (size > upper)
return FUZZ_USE_SIZE_LIMIT;
return false;
}
static inline void fuzz_setup_logging(void) {
/* We don't want to fill the logs and slow down stuff when running
* in a fuzzing mode, so disable most of the logging. */
log_set_max_level(LOG_CRIT);
log_parse_environment();
log_open();
}
/* Force value to not be optimized away. */
#define DO_NOT_OPTIMIZE(value) ({ asm volatile("" : : "g"(value) : "memory"); })
|