fsck.ext4 -n exited with status code 4
e2fsck 1.47.2 (1-Jan-2025)
Bad required extra isize in superblock (62).  Fix? no

syzkaller contains a file system with errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Inode 17 has INLINE_DATA_FL flag but extended attribute not found.  Truncate? no

Inode 17, i_blocks is 17592186044416, should be 0.  Fix? no

Pass 2: Checking directory structure
Symlink /file0/file1 (inode #14) is invalid.
Clear? no

Entry 'file1' in /file0 (12) has an incorrect filetype (was 7, should be 0).
Fix? no

Extended attribute block for inode 17 (/file.cold) is invalid (2048).
Clear? no

Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences:  +35 -36
Fix? no


syzkaller: ********** WARNING: Filesystem still has errors **********

syzkaller: 17/32 files (0.0% non-contiguous), 36/256 blocks