1 // This file is distributed under the University of Illinois Open Source
2 // License. See LICENSE.TXT for details.
3 
4 // Find "FUZZME", the target has 3 different functions.
5 #include <assert.h>
6 #include <cstddef>
7 #include <cstdint>
8 #include <cstdlib>
9 #include <cstdio>
10 
11 extern "C"
12 __attribute__((noinline))
13 bool Func1(const uint8_t *Data, size_t Size) {
14   // assumes Size >= 5, doesn't check it.
15   return Data[4] == 'M';
16 }
17 
18 extern "C"
19 __attribute__((noinline))
20 bool Func2(const uint8_t *Data, size_t Size) {
21   return Size >= 6 && Data[5] == 'E';
22 }
23 
24 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
25   if (Size >= 5
26       && Data[0] == 'F'
27       && Data[1] == 'U'
28       && Data[2] == 'Z'
29       && Data[3] == 'Z'
30       && Func1(Data, Size)
31       && Func2(Data, Size)) {
32         fprintf(stderr, "BINGO\n");
33         abort();
34   }
35   return 0;
36 }
37