llvm-project/llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp

20 lines
402 B
C++

#include <cstring>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
int Matches = 0;
for (size_t i = 0; i + 2 < Size; i += 3) {
const char *Pat = i % 2 ? "foo" : "bar";
if (!memcmp(Data + i, Pat, 3))
Matches++;
}
if (Matches > 20) {
fprintf(stderr, "BINGO!\n");
exit(1);
}
return 0;
}