Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Entry 'a6' in / (2) points to inode (17) located in a bad block.
Clear? yes

Entry 'a7' in / (2) points to inode (18) located in a bad block.
Clear? yes

Entry 'a8' in / (2) points to inode (19) located in a bad block.
Clear? yes

Entry 'b1' in / (2) points to inode (20) located in a bad block.
Clear? yes

Entry 'b2' in / (2) points to inode (21) located in a bad block.
Clear? yes

Entry 'b3' in / (2) points to inode (22) located in a bad block.
Clear? yes

Entry 'b4' in / (2) points to inode (23) located in a bad block.
Clear? yes

Entry 'b5' in / (2) points to inode (24) located in a bad block.
Clear? yes

Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Fix summary information? yes

Block bitmap differences: -83.  FIXED
Free blocks count wrong for group 0 (1962, counted=1965).  FIXED
Free blocks count wrong (1962, counted=1965).  FIXED
Inode bitmap differences: +41 +42 +43 +44 +45 +46 +47 +48.  FIXED
Free inodes count wrong for group #0 (485, counted=477).  FIXED
Free inodes count wrong (485, counted=477).  FIXED

test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 35/512 files (0.0% non-contiguous), 83/2048 blocks
Exit status is 1