LLVM  3.7.0
NullDerefTest.cpp
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1 // Simple test for a fuzzer. The fuzzer must find the string "Hi!".
2 #include <cstdint>
3 #include <cstdlib>
4 #include <cstddef>
5 #include <iostream>
6 
7 static volatile int Sink;
8 static volatile int *Null = 0;
9 
10 extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
11  if (Size > 0 && Data[0] == 'H') {
12  Sink = 1;
13  if (Size > 1 && Data[1] == 'i') {
14  Sink = 2;
15  if (Size > 2 && Data[2] == '!') {
16  std::cout << "Found the target, dereferencing NULL\n";
17  *Null = 1;
18  }
19  }
20  }
21 }
22 
static volatile int * Null
void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
static volatile int Sink