#include <stdint.h> #include <stdlib.h> #include <stdio.h> int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); void fuzz_openFile(const char * name); int main(int argc, char** argv) { FILE * fp; uint8_t *Data; size_t Size; if (argc == 3) { fuzz_openFile(argv[2]); } else if (argc != 2) { return 1; } //opens the file, get its size, and reads it into a buffer fp = fopen(argv[1], "rb"); if (fp == NULL) { return 2; } if (fseek(fp, 0L, SEEK_END) != 0) { fclose(fp); return 2; } Size = ftell(fp); if (Size == (size_t) -1) { fclose(fp); return 2; } if (fseek(fp, 0L, SEEK_SET) != 0) { fclose(fp); return 2; } Data = malloc(Size); if (Data == NULL) { fclose(fp); return 2; } if (fread(Data, Size, 1, fp) != 1) { fclose(fp); free(Data); return 2; } //launch fuzzer LLVMFuzzerTestOneInput(Data, Size); free(Data); fclose(fp); return 0; }