static int coroutine_fn v9fs_do_readdir_with_stat(V9fsPDU *pdu,
                                                  V9fsFidState *fidp,
                                                  uint32_t max_count)
{
    V9fsPath path;
    V9fsStat v9stat;
    int len, err = 0;
    int32_t count = 0;
    struct stat stbuf;
    off_t saved_dir_pos;
    struct dirent *dent;

    /* save the directory position */
    saved_dir_pos = v9fs_co_telldir(pdu, fidp);
    if (saved_dir_pos < 0) {
        return saved_dir_pos;
    }

    while (1) {
        v9fs_path_init(&path);

        v9fs_readdir_lock(&fidp->fs.dir);

        err = v9fs_co_readdir(pdu, fidp, &dent);
        if (err || !dent) {
            break;
        }
        err = v9fs_co_name_to_path(pdu, &fidp->path, dent->d_name, &path);
        if (err < 0) {
            break;
        }
        err = v9fs_co_lstat(pdu, &path, &stbuf);
        if (err < 0) {
            break;
        }
        err = stat_to_v9stat(pdu, &path, &stbuf, &v9stat);
        if (err < 0) {
            break;
        }
        /* 11 = 7 + 4 (7 = start offset, 4 = space for storing count) */
        len = pdu_marshal(pdu, 11 + count, "S", &v9stat);

        v9fs_readdir_unlock(&fidp->fs.dir);

        if ((len != (v9stat.size + 2)) || ((count + len) > max_count)) {
            /* Ran out of buffer. Set dir back to old position and return */
            v9fs_co_seekdir(pdu, fidp, saved_dir_pos);
            v9fs_stat_free(&v9stat);
            v9fs_path_free(&path);
            return count;
        }
        count += len;
        v9fs_stat_free(&v9stat);
        v9fs_path_free(&path);
        saved_dir_pos = dent->d_off;
    }

    v9fs_readdir_unlock(&fidp->fs.dir);

    v9fs_path_free(&path);
    if (err < 0) {
        return err;
    }
    return count;
}

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.