void bio_endio(struct bio *bio)
{
again:
	if (!bio_remaining_done(bio))
		return;
	if (!bio_integrity_endio(bio))
		return;

	/*
	 * Need to have a real endio function for chained bios, otherwise
	 * various corner cases will break (like stacking block devices that
	 * save/restore bi_end_io) - however, we want to avoid unbounded
	 * recursion and blowing the stack. Tail call optimization would
	 * handle this, but compiling with frame pointers also disables
	 * gcc's sibling call optimization.
	 */
	if (bio->bi_end_io == bio_chain_endio) {
		bio = __bio_chain_endio(bio);
		goto again;
	}

	if (bio->bi_disk && bio_flagged(bio, BIO_TRACE_COMPLETION)) {
		trace_block_bio_complete(bio->bi_disk->queue, bio,
					 blk_status_to_errno(bio->bi_status));
		bio_clear_flag(bio, BIO_TRACE_COMPLETION);
	}

	blk_throtl_bio_endio(bio);
	/* release cgroup info */
	bio_uninit(bio);
	if (bio->bi_end_io)
		bio->bi_end_io(bio);
}

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.