LLVM  3.7.0
DFSanSimpleCmpTest.cpp
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1 // Simple test for a fuzzer. The fuzzer must find several narrow ranges.
2 #include <cstdint>
3 #include <cstdlib>
4 #include <cstring>
5 #include <cstdio>
6 
7 extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
8  if (Size < 14) return;
9  uint64_t x = 0;
10  int64_t y = 0;
11  int z = 0;
12  unsigned short a = 0;
13  memcpy(&x, Data, 8);
14  memcpy(&y, Data + Size - 8, 8);
15  memcpy(&z, Data + Size / 2, sizeof(z));
16  memcpy(&a, Data + Size / 2 + 4, sizeof(a));
17 
18  if (x > 1234567890 &&
19  x < 1234567895 &&
20  y >= 987654321 &&
21  y <= 987654325 &&
22  z < -10000 &&
23  z >= -10005 &&
24  z != -10003 &&
25  a == 4242) {
26  fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n",
27  Size, x, y, z, a);
28  exit(1);
29  }
30 }
void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)