| // Copyright 2022 The Centipede Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Centipede puzzle: 4 independent compares setting a mask. |
| // RUN: Run && SolutionIs FUZZ |
| #include <cstddef> |
| #include <cstdint> |
| #include <cstdlib> |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { |
| int mask = 0; |
| if (size > 4) return 0; |
| if (size > 0 && data[0] == 'F') mask |= 1; |
| if (size > 1 && data[1] == 'U') mask |= 2; |
| if (size > 2 && data[2] == 'Z') mask |= 4; |
| if (size > 3 && data[3] == 'Z') mask |= 8; |
| if (mask == 15) { |
| abort(); |
| } |
| return 0; |
| } |
