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 } 57
