// Simple test for a fuzzer. The fuzzer must find several narrow ranges. #include <cstdint> #include <cstdlib> #include <cstring> #include <cstdio> extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { if (Size < 14) return 0; uint64_t x = 0; int64_t y = 0; int z = 0; unsigned short a = 0; memcpy(&x, Data, 8); memcpy(&y, Data + Size - 8, 8); memcpy(&z, Data + Size / 2, sizeof(z)); memcpy(&a, Data + Size / 2 + 4, sizeof(a)); if (x > 1234567890 && x < 1234567895 && y >= 987654321 && y <= 987654325 && z < -10000 && z >= -10005 && z != -10003 && a == 4242) { fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n", Size, x, y, z, a); exit(1); } return 0; }