diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c
index bab521613552..5811556a7b71 100644
--- a/fs/erofs/zmap.c
+++ b/fs/erofs/zmap.c
@@ -732,7 +732,8 @@ static int z_erofs_map_sanity_check(struct inode *inode,
 				  map->m_algorithmformat, EROFS_I(inode)->nid);
 			return -EFSCORRUPTED;
 		}
-		if (EROFS_MAP_FULL(map->m_flags) && map->m_llen < map->m_plen) {
+		if (EROFS_MAP_FULL(map->m_flags) && map->m_llen < map->m_plen &&
+		    map->m_la + map->m_llen < inode->i_size) {
 			erofs_err(inode->i_sb, "too much compressed data @ la %llu of nid %llu",
 				  map->m_la, EROFS_I(inode)->nid);
 			return -EFSCORRUPTED;