ref: 7718c4644edeef78cdbc6fb93397ea3f9f4c736e
dir: /tests/libfuzzer/main.c/
/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2018, Janne Grunau * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <errno.h> #include <limits.h> #include <stddef.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include "dav1d_fuzzer.h" // expects ivf input int main(const int argc, char *const *const argv) { int ret = -1; FILE *f = NULL; long fsize; const char *filename = NULL; uint8_t *data = NULL; size_t size = 0; if (argc != 2) { fprintf(stdout, "Usage:\n%s fuzzing_testcase.ivf\n", argv[0]); return -1; } filename = argv[1]; if (!(f = fopen(filename, "rb"))) { fprintf(stderr, "failed to open %s: %s\n", filename, strerror(errno)); goto error; } if (fseek(f, 0L, SEEK_END) == -1) { fprintf(stderr, "fseek(%s, 0, SEEK_END) failed: %s\n", filename, strerror(errno)); goto error; } if ((fsize = ftell(f)) == -1) { fprintf(stderr, "ftell(%s) failed: %s\n", filename, strerror(errno)); goto error; } rewind(f); if (fsize < 0 || fsize > INT_MAX) { fprintf(stderr, "%s is too large: %ld\n", filename, fsize); goto error; } size = fsize; if (!(data = malloc(size))) { fprintf(stderr, "failed to allocate: %zu bytes\n", size); goto error; } if (fread(data, size, 1, f) == size) { fprintf(stderr, "failed to read %zu bytes from %s: %s\n", size, filename, strerror(errno)); goto error; } ret = LLVMFuzzerTestOneInput(data, size); error: free(data); if (f) fclose(f); return ret; }