fsck.ext4 -n exited with status code 12
e2fsck 1.47.2 (1-Jan-2025)
Invalid user quota inode 2125791232.  Fix? no

syzkaller contains a file system with errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Inode 13 has an invalid extent
	(logical block 0, invalid physical block 536870992, len 1)
Clear? no

Inode 13, i_blocks is 458816, should be 0.  Fix? no

Inode 14 has a extra size (1056) which is invalid
Fix? no

Inode 16, i_blocks is 64, should be 0.  Fix? no

Pass 2: Checking directory structure
Inode 16 (/file2) has invalid mode (00).
Clear? no

Entry 'file2' in / (2) has an incorrect filetype (was 1, should be 0).
Fix? no

Inode 16 (/file2) has invalid mode (00).
Clear? no

Entry 'file3' in / (2) has an incorrect filetype (was 1, should be 0).
Fix? no

Directory inode 11, block #2, offset 0: directory corrupted
Salvage? no

e2fsck: aborted

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