1 // Simple test for a fuzzer. The fuzzer must find several narrow ranges. 2 #include <cstdint> 3 #include <cstdlib> 4 #include <cstring> 5 #include <cstdio> 6 7 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 8 if (Size < 14) return 0; 9 uint64_t x = 0; 10 int64_t y = 0; 11 int z = 0; 12 unsigned short a = 0; 13 memcpy(&x, Data, 8); 14 memcpy(&y, Data + Size - 8, 8); 15 memcpy(&z, Data + Size / 2, sizeof(z)); 16 memcpy(&a, Data + Size / 2 + 4, sizeof(a)); 17 18 if (x > 1234567890 && 19 x < 1234567895 && 20 y >= 987654321 && 21 y <= 987654325 && 22 z < -10000 && 23 z >= -10005 && 24 z != -10003 && 25 a == 4242) { 26 fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n", 27 Size, x, y, z, a); 28 exit(1); 29 } 30 return 0; 31 } 32
