1 // This file is distributed under the University of Illinois Open Source 2 // License. See LICENSE.TXT for details. 3 4 // Simple test for a fuzzer. The fuzzer must find several narrow ranges. 5 #include <cstdint> 6 #include <cstdlib> 7 #include <cstring> 8 #include <cstdio> 9 10 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 11 if (Size < 14) return 0; 12 uint64_t x = 0; 13 int64_t y = 0; 14 int z = 0; 15 unsigned short a = 0; 16 memcpy(&x, Data, 8); 17 memcpy(&y, Data + Size - 8, 8); 18 memcpy(&z, Data + Size / 2, sizeof(z)); 19 memcpy(&a, Data + Size / 2 + 4, sizeof(a)); 20 21 if (x > 1234567890 && 22 x < 1234567895 && 23 y >= 987654321 && 24 y <= 987654325 && 25 z < -10000 && 26 z >= -10005 && 27 z != -10003 && 28 a == 4242) { 29 fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n", 30 Size, x, y, z, a); 31 exit(1); 32 } 33 return 0; 34 } 35
