ceph/src/jaegertracing/opentelemetry-cpp/third_party/nlohmann-json/test/thirdparty/Fuzzer/test/LoadTest.cpp

   1 // This file is distributed under the University of Illinois Open Source
   2 // License. See LICENSE.TXT for details.
   3
   4 // Simple test for a fuzzer: find interesting value of array index.
   5 #include <assert.h>
   6 #include <cstdint>
   7 #include <cstring>
   8 #include <cstddef>
   9 #include <iostream>
  10
  11 static volatile int Sink;
  12 const int kArraySize = 1234567;
  13 int array[kArraySize];
  14
  15 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  16   if (Size < 8) return 0;
  17   size_t a = 0;
  18   memcpy(&a, Data, 8);
  19   Sink = array[a % (kArraySize + 1)];
  20   return 0;
  21 }
  22