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/*
* 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 "config.h"
#include <errno.h>
#include <inttypes.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(int argc, char *argv[]) {
int ret = -1;
FILE *f = NULL;
int64_t fsize;
const char *filename = NULL;
uint8_t *data = NULL;
size_t size = 0;
if (LLVMFuzzerInitialize(&argc, &argv)) {
return 1;
}
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 (fseeko(f, 0, SEEK_END) == -1) {
fprintf(stderr, "fseek(%s, 0, SEEK_END) failed: %s\n", filename,
strerror(errno));
goto error;
}
if ((fsize = ftello(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: %"PRId64"\n", filename, fsize);
goto error;
}
size = (size_t)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;
}