mirror of https://github.com/mpv-player/mpv
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <libmpv/client.h>
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#include "common.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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#ifdef MPV_LOAD_CONFIG_FILE
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// config file size limit, see m_config_parse_config_file()
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if (size > 1000000000)
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return 0;
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#endif
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#ifdef MPV_LOAD_INPUT_CONF
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// input config file size limit, see parse_config_file() in input.c
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if (size > 1000000)
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return 0;
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#endif
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// fmemopen doesn't have associated file descriptor, so we do copy.
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int fd = memfd_create("fuzz_mpv_load", MFD_CLOEXEC | MFD_ALLOW_SEALING);
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if (fd == -1)
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exit(1);
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ssize_t written = 0;
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while (written < size) {
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ssize_t result = write(fd, data + written, size - written);
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if (result == -1)
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exit(1);
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written += result;
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}
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if (fcntl(fd, F_ADD_SEALS, F_SEAL_WRITE | F_SEAL_SHRINK | F_SEAL_GROW | F_SEAL_SEAL) != 0)
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exit(1);
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if (lseek(fd, 0, SEEK_SET) != 0)
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exit(1);
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char filename[5 + 10 + 1];
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if (sprintf(filename, "fd://%d", fd) <= 5)
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exit(1);
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mpv_handle *ctx = mpv_create();
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if (!ctx)
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exit(1);
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check_error(mpv_set_option_string(ctx, "vo", "null"));
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check_error(mpv_set_option_string(ctx, "ao", "null"));
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check_error(mpv_set_option_string(ctx, "ao-null-untimed", "yes"));
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check_error(mpv_set_option_string(ctx, "untimed", "yes"));
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check_error(mpv_set_option_string(ctx, "video-osd", "no"));
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check_error(mpv_set_option_string(ctx, "msg-level", "all=trace"));
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check_error(mpv_set_option_string(ctx, "network-timeout", "1"));
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#ifdef MPV_DEMUXER
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check_error(mpv_set_option_string(ctx, "demuxer", MPV_DEMUXER));
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#endif
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check_error(mpv_initialize(ctx));
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const char *cmd[] = {"load" MPV_LOAD, filename, NULL};
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check_error(mpv_command(ctx, cmd));
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#ifdef MPV_LOADFILE
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bool loaded = false;
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while (1) {
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mpv_event *event = mpv_wait_event(ctx, -1);
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if (event->event_id == MPV_EVENT_START_FILE)
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loaded = true;
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if (loaded && event->event_id == MPV_EVENT_IDLE)
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break;
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}
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#endif
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mpv_terminate_destroy(ctx);
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close(fd);
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return 0;
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}
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