(logical block 0, invalid physical block 21994527527949, len 17)
Clear? yes
+Inode 12 extent tree (at level 1) could be shorter. Fix? yes
+
Inode 12, i_blocks is 34, should be 0. Fix? yes
Inode 13 missing EXTENT_FL, but is in extents format
Fix? yes
+Inode 16 has a duplicate extent mapping
+ (logical block 3, invalid physical block 4613, len 2)
+Clear? yes
+
+Inode 16, i_blocks is 16, should be 12. Fix? yes
+
Inode 17 has an invalid extent
(logical block 0, invalid physical block 22011707397135, len 15)
Clear? yes
+Inode 17 extent tree (at level 1) could be shorter. Fix? yes
+
Inode 17, i_blocks is 32, should be 0. Fix? yes
Inode 18 has corrupt extent header. Clear inode? yes
Inode 18, i_blocks is 2, should be 0. Fix? yes
+Special (device/socket/fifo) file (inode 19) has extents
+or inline-data flag set. Clear? yes
+
+Pass 1E: Optimizing extent trees
Pass 2: Checking directory structure
Entry 'fbad-flag' in / (2) has deleted/unused inode 18. Clear? yes
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
-Block bitmap differences: -1081 +4611 -(5121--5142)
+Block bitmap differences: -1081 +4611 -(4613--4614) -(5121--5142)
Fix? yes
-Free blocks count wrong for group #0 (7081, counted=7098).
+Free blocks count wrong for group #0 (7081, counted=7100).
Fix? yes
-Free blocks count wrong (7081, counted=7098).
+Free blocks count wrong (7081, counted=7100).
Fix? yes
Inode bitmap differences: -18
test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
-test_filesys: 18/256 files (0.0% non-contiguous), 1094/8192 blocks
+test_filesys: 18/256 files (5.6% non-contiguous), 1092/8192 blocks
Exit status is 1