blob: 0f2319b2cc9ed44c00fd0d10ca6e563b7ac8a602 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
// Simple test for a fuzzer. The fuzzer must find the interesting switch value.
#include <cstdint>
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <cstddef>
static volatile int Sink;
template<class T>
bool Switch(const uint8_t *Data, size_t Size) {
T X;
if (Size < sizeof(X)) return false;
memcpy(&X, Data, sizeof(X));
switch (X) {
case 1: Sink = __LINE__; break;
case 101: Sink = __LINE__; break;
case 1001: Sink = __LINE__; break;
case 10001: Sink = __LINE__; break;
case 100001: Sink = __LINE__; break;
case 1000001: Sink = __LINE__; break;
case 10000001: Sink = __LINE__; break;
case 100000001: return true;
}
return false;
}
extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Switch<int>(Data, Size) && Size >= 12 &&
Switch<uint64_t>(Data + 4, Size - 4)) {
fprintf(stderr, "BINGO; Found the target, exiting\n");
exit(1);
}
}
|