1*2946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 2*2946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 3*2946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 410ab2aceSGeorge Karpenkov 510ab2aceSGeorge Karpenkov // Simple test for a fuzzer. 610ab2aceSGeorge Karpenkov // The fuzzer must find a string based on dictionary words: 710ab2aceSGeorge Karpenkov // "Elvis" 810ab2aceSGeorge Karpenkov // "Presley" 910ab2aceSGeorge Karpenkov #include <cstddef> 1010ab2aceSGeorge Karpenkov #include <cstdint> 1110ab2aceSGeorge Karpenkov #include <cstdlib> 1210ab2aceSGeorge Karpenkov #include <cstring> 1310ab2aceSGeorge Karpenkov #include <iostream> 1410ab2aceSGeorge Karpenkov #include <ostream> 1510ab2aceSGeorge Karpenkov 1610ab2aceSGeorge Karpenkov static volatile int Zero = 0; 1710ab2aceSGeorge Karpenkov LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)1810ab2aceSGeorge Karpenkovextern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 1910ab2aceSGeorge Karpenkov const char *Expected = "ElvisPresley"; 2010ab2aceSGeorge Karpenkov if (Size < strlen(Expected)) return 0; 2110ab2aceSGeorge Karpenkov size_t Match = 0; 2210ab2aceSGeorge Karpenkov for (size_t i = 0; Expected[i]; i++) 2310ab2aceSGeorge Karpenkov if (Expected[i] + Zero == Data[i]) 2410ab2aceSGeorge Karpenkov Match++; 2510ab2aceSGeorge Karpenkov if (Match == strlen(Expected)) { 2610ab2aceSGeorge Karpenkov std::cout << "BINGO; Found the target, exiting\n" << std::flush; 2710ab2aceSGeorge Karpenkov exit(1); 2810ab2aceSGeorge Karpenkov } 2910ab2aceSGeorge Karpenkov return 0; 3010ab2aceSGeorge Karpenkov } 3110ab2aceSGeorge Karpenkov 32