Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <stddef.h> |
| 6 | #include <stdint.h> |
| 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | |
| 10 | extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv); |
| 11 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); |
| 12 | |
| 13 | int main(int argc, char* argv[]) { |
| 14 | if (LLVMFuzzerInitialize(&argc, &argv)) { |
| 15 | fprintf(stderr, "Failed to initialize fuzzer target\n"); |
| 16 | return 1; |
| 17 | } |
| 18 | |
| 19 | if (argc < 2) { |
| 20 | fprintf(stderr, "USAGE: %s <input>\n", argv[0]); |
| 21 | return 1; |
| 22 | } |
| 23 | |
| 24 | FILE* input = fopen(argv[1], "rb"); |
| 25 | |
| 26 | if (!input) { |
| 27 | fprintf(stderr, "Failed to open '%s'\n", argv[1]); |
| 28 | return 1; |
| 29 | } |
| 30 | |
| 31 | fseek(input, 0, SEEK_END); |
| 32 | long size = ftell(input); |
| 33 | fseek(input, 0, SEEK_SET); |
| 34 | |
| 35 | uint8_t* data = reinterpret_cast<uint8_t*>(malloc(size)); |
| 36 | if (!data) { |
| 37 | fclose(input); |
| 38 | fprintf(stderr, "Failed to allocate %ld bytes\n", size); |
| 39 | return 1; |
| 40 | } |
| 41 | |
| 42 | size_t bytes_read = fread(data, 1, size, input); |
| 43 | fclose(input); |
| 44 | |
| 45 | if (bytes_read != size) { |
| 46 | free(data); |
| 47 | fprintf(stderr, "Failed to read %s\n", argv[1]); |
| 48 | return 1; |
| 49 | } |
| 50 | |
| 51 | int result = LLVMFuzzerTestOneInput(data, size); |
| 52 | |
| 53 | free(data); |
| 54 | |
| 55 | return result; |
| 56 | } |