Pass 1: Checking inodes, blocks, and sizes
Directory inode 12 has extent marked uninitialized at block 0.  Fix? yes

Directory inode 14 has extent marked uninitialized at block 0.  Fix? yes

Pass 2: Checking directory structure
Directory inode 14, block #0, offset 0: directory corrupted
Salvage? yes

Missing '.' in directory inode 14.
Fix? yes

Setting filetype for entry '.' in ??? (14) to 2.
Missing '..' in directory inode 14.
Fix? yes

Setting filetype for entry '..' in ??? (14) to 2.
Pass 3: Checking directory connectivity
'..' in /abc (14) is <The NULL inode> (0), should be / (2).
Fix? yes

Pass 4: Checking reference counts
Pass 5: Checking group summary information

test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 14/128 files (0.0% non-contiguous), 20/512 blocks
Exit status is 1