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mpv/fuzzers/fuzzer_options_parser.c
Kacper Michajłow b982027b64 fuzzer_options_parser: limit input size to 2048 bytes
To encourage fuzzing to mutate shorter test cases, avoid continuously
adding more elements into a single input.
2024-11-14 18:55:29 +01:00

69 lines
1.6 KiB
C

/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdlib.h>
#include <ctype.h>
#include "common.h"
int mpv_initialize_opts(mpv_handle *ctx, char **options);
#define MAX_INPUT_SIZE 2048
#define MAX_OPTS_NUM 10000
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
char buff[MAX_INPUT_SIZE + 2];
if (!size || size > MAX_INPUT_SIZE)
return 0;
memcpy(buff, data, size);
buff[size] = '\0';
buff[size + 1] = '\0';
char *opts[MAX_OPTS_NUM + 1];
char *opt = buff;
int count = 0;
while (*opt && count < MAX_OPTS_NUM) {
opts[count] = opt;
while (*opt && !isspace(*opt))
opt++;
*opt = '\0';
opt++;
while (*opt && isspace(*opt))
opt++;
count++;
}
opts[count] = NULL;
mpv_handle *ctx = mpv_create();
if (!ctx)
exit(1);
mpv_initialize_opts(ctx, opts);
mpv_terminate_destroy(ctx);
return 0;
}