Merge tag 'xfs-4.20-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

	struct xfs_mount		*mp = bp->b_target->bt_mount;

	struct xfs_attr_leafblock	*leaf = bp->b_addr;

	struct xfs_attr_leaf_entry	*entries;

	uint16_t			end;

	uint32_t			end;	/* must be 32bit - see below */

	int				i;

	xfs_attr3_leaf_hdr_from_disk(mp->m_attr_geo, &ichdr, leaf);

	/*

	 * Quickly check the freemap information.  Attribute data has to be

	 * aligned to 4-byte boundaries, and likewise for the free space.

	 *

	 * Note that for 64k block size filesystems, the freemap entries cannot

	 * overflow as they are only be16 fields. However, when checking end

	 * pointer of the freemap, we have to be careful to detect overflows and

	 * so use uint32_t for those checks.

	 */

	for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {

		if (ichdr.freemap[i].base > mp->m_attr_geo->blksize)

			return __this_address;

		if (ichdr.freemap[i].size & 0x3)

			return __this_address;

		end = ichdr.freemap[i].base + ichdr.freemap[i].size;

		/* be care of 16 bit overflows here */

		end = (uint32_t)ichdr.freemap[i].base + ichdr.freemap[i].size;

		if (end < ichdr.freemap[i].base)

			return __this_address;

		if (end > mp->m_attr_geo->blksize)

	error = 0;

out_free_buf:

	kmem_free(buf);

	return 0;

	return error;

}

struct getfsmap_info {

void

xfs_hex_dump(void *p, int length)

{

	print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);

	print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);

}