/* Copyright 2026 Google LLC

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 *

 * Fuzz test for BTRFS filesystem parser.

 */

#include <command.h>

#include <os.h>

#include <test/fuzz.h>

#define FUZZ_DISK_PATH "/tmp/fuzz_btrfs.img"

static int fuzz_btrfs(const uint8_t *data, size_t size)

{

  int fd;

  if (size < 512)

    return 0;

  fd = os_open(FUZZ_DISK_PATH, OS_O_WRONLY | OS_O_CREAT | OS_O_TRUNC);

  if (fd < 0)

    return 0;

  os_write(fd, data, size);

  os_close(fd);

  run_command("host bind 0 " FUZZ_DISK_PATH, 0);

  run_command("ls host 0:0 /", 0);

  run_command("host unbind 0", 0);

  return 0;

}

FUZZ_TEST(fuzz_btrfs, 0);