36 lines
852 B
C++
36 lines
852 B
C++
|
// This file is distributed under the University of Illinois Open Source
|
||
|
|
// License. See LICENSE.TXT for details.
|
||
|
|
|
||
|
|
// Simple test for a fuzzer. The fuzzer must find the interesting switch value.
|
||
|
|
#include <cstdint>
|
||
|
|
#include <cstdlib>
|
||
|
|
#include <cstdio>
|
||
|
|
#include <cstring>
|
||
|
|
#include <cstddef>
|
||
|
|
|
||
|
|
int Switch(int a) {
|
||
|
|
switch(a) {
|
||
|
|
case 100001: return 1;
|
||
|
|
case 100002: return 2;
|
||
|
|
case 100003: return 4;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
|
||
|
|
const int N = 3;
|
||
|
|
if (Size < N * sizeof(int)) return 0;
|
||
|
|
int Res = 0;
|
||
|
|
for (int i = 0; i < N; i++) {
|
||
|
|
int X;
|
||
|
|
memcpy(&X, Data + i * sizeof(int), sizeof(int));
|
||
|
|
Res += Switch(X);
|
||
|
|
}
|
||
|
|
if (Res == 5 || Res == 3 || Res == 6 || Res == 7) {
|
||
|
|
fprintf(stderr, "BINGO; Found the target, exiting; Res=%d\n", Res);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|