1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 2 // See https://llvm.org/LICENSE.txt for license information. 3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 4 5 // Test whether the fuzzer can find "SELECT FROM WHERE", given a seed input 6 // "SELECTxFROMxWHERE". Without -keep_seed=1, it takes longer time to trigger 7 // find the desired string, because the seed input is more likely to be reduced 8 // to a prefix of the given input first, losing useful fragments towards the end 9 // of the seed input. 10 #include <cstdint> 11 #include <cstdio> 12 #include <cstdlib> 13 #include <cstring> 14 15 static volatile int Sink = 0; 16 17 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 18 if (Size > 17) 19 return 0; 20 21 if (Size >= 6 && Data[0] == 'S' && Data[1] == 'E' && Data[2] == 'L' && 22 Data[3] == 'E' && Data[4] == 'C' && Data[5] == 'T') { 23 if (Size >= 7 && Data[6] == ' ') { 24 if (Size >= 11 && Data[7] == 'F' && Data[8] == 'R' && Data[9] == 'O' && 25 Data[10] == 'M') { 26 if (Size >= 12 && Data[11] == ' ') { 27 if (Size >= 17 && Data[12] == 'W' && Data[13] == 'H' && 28 Data[14] == 'E' && Data[15] == 'R' && Data[16] == 'E') { 29 fprintf(stderr, "BINGO; Found the target, exiting.\n"); 30 exit(1); 31 } 32 } 33 } 34 } 35 } 36 return 0; 37 } 38