static void v9fs_fix_fid_paths(V9fsPDU *pdu, V9fsPath *olddir,
                               V9fsString *old_name, V9fsPath *newdir,
                               V9fsString *new_name)
{
    V9fsFidState *tfidp;
    V9fsPath oldpath, newpath;
    V9fsState *s = pdu->s;


    v9fs_path_init(&oldpath);
    v9fs_path_init(&newpath);
    v9fs_co_name_to_path(pdu, olddir, old_name->data, &oldpath);
    v9fs_co_name_to_path(pdu, newdir, new_name->data, &newpath);

    /*
     * Fixup fid's pointing to the old name to
     * start pointing to the new name
     */
    for (tfidp = s->fid_list; tfidp; tfidp = tfidp->next) {
        if (v9fs_path_is_ancestor(&oldpath, &tfidp->path)) {
            /* replace the name */
            v9fs_fix_path(&tfidp->path, &newpath, strlen(oldpath.data));
        }
    }
    v9fs_path_free(&oldpath);
    v9fs_path_free(&newpath);
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.