fuzz/fuzz_alg_jitter.cpp


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#include "ndpi_api.h"
#include "fuzz_common_code.h"

#include <stdint.h>
#include <stdio.h>
#include "fuzzer/FuzzedDataProvider.h"

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  FuzzedDataProvider fuzzed_data(data, size);
  u_int16_t i, num_iteration, num_learning_values;
  struct ndpi_jitter_struct *s;
  int rc;

  /* Just to have some data */
  if(fuzzed_data.remaining_bytes() < 1024)
    return -1;

  /* To allow memory allocation failures */
  fuzz_set_alloc_callbacks_and_seed(size);

  s = (struct ndpi_jitter_struct *)ndpi_malloc(sizeof(*s));

  num_learning_values = fuzzed_data.ConsumeIntegral<u_int16_t>();
  rc = ndpi_jitter_init(s, num_learning_values);

  if (rc == 0) {
    num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();
    for (i = 0; i < num_iteration; i++)
      ndpi_jitter_add_value(s, fuzzed_data.ConsumeFloatingPoint<float>());

    ndpi_jitter_free(s);
  }
  ndpi_free(s);

  return 0;
}