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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2015-2023 The Fluent Bit Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <stdint.h>
#include <fluent-bit/flb_mem.h>
#include <fluent-bit/flb_mp.h>
#include "flb_fuzz_header.h"
int LLVMFuzzerTestOneInput(unsigned char *data, size_t size)
{
/* Set flb_malloc_mod to be fuzzer-data dependent */
if (size < 5) {
return 0;
}
flb_malloc_p = 0;
flb_malloc_mod = *(int*)data;
data += 4;
size -= 4;
/* Avoid division by zero for modulo operations */
if (flb_malloc_mod == 0) {
flb_malloc_mod = 1;
}
unsigned char decider = *data;
data++;
size--;
int out_records;
size_t processed_bytes;
if (decider % 2 == 0) {
flb_mp_validate_log_chunk(data, size, &out_records, &processed_bytes);
}
else if (decider % 2 == 1) {
flb_mp_validate_metric_chunk(data, size, &out_records, &processed_bytes);
}
return 0;
}
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