xfs_da_get_buf(
	struct xfs_trans	*trans,
	struct xfs_inode	*dp,
	xfs_dablk_t		bno,
	xfs_daddr_t		mappedbno,
	struct xfs_buf		**bpp,
	int			whichfork)
{
	struct xfs_buf		*bp;
	struct xfs_buf_map	map;
	struct xfs_buf_map	*mapp;
	int			nmap;
	int			error;

	*bpp = NULL;
	mapp = &map;
	nmap = 1;
	error = xfs_dabuf_map(trans, dp, bno, mappedbno, whichfork,
				&mapp, &nmap);
	if (error) {
		/* mapping a hole is not an error, but we don't continue */
		if (error == -1)
			error = 0;
		goto out_free;
	}

	bp = xfs_trans_get_buf_map(trans, dp->i_mount->m_ddev_targp,
				    mapp, nmap, 0);
	error = bp ? bp->b_error : XFS_ERROR(EIO);
	if (error) {
		xfs_trans_brelse(trans, bp);
		goto out_free;
	}

	*bpp = bp;

out_free:
	if (mapp != &map)
		kmem_free(mapp);

	return error;
}

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.