static void cancel_budget(struct ubifs_info *c, struct page *page,
			  struct ubifs_inode *ui, int appending)
{
	if (appending) {
		if (!ui->dirty)
			ubifs_release_dirty_inode_budget(c, ui);
		mutex_unlock(&ui->ui_mutex);
	}
	if (!PagePrivate(page)) {
		if (PageChecked(page))
			release_new_page_budget(c);
		else
			release_existing_page_budget(c);
	}
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.