1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 12cd63603137..e4e4eb800d2b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1552,6 +1552,13 @@ next_block:
 			map->m_flags |= F2FS_MAP_NEW;
 			blkaddr = dn.data_blkaddr;
 		} else {
+			if (f2fs_compressed_file(inode) &&
+					f2fs_sanity_check_cluster(&dn) &&
+					(flag != F2FS_GET_BLOCK_FIEMAP ||
+					IS_ENABLED(CONFIG_F2FS_CHECK_FS))) {
+				err = -EFSCORRUPTED;
+				goto sync_out;
+			}
 			if (flag == F2FS_GET_BLOCK_BMAP) {
 				map->m_pblk = 0;
 				goto sync_out;