fsck.ext4 -n exited with status code 12
e2fsck 1.47.2 (1-Jan-2025)
Group descriptor 0 marked uninitialized without feature set.
Fix? no

syzkaller contains a file system with errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Inode 11 is a block device but it looks like it is really a directory.
Fix? no

Special (device/socket/fifo) inode 11 has non-zero size.  Fix? no

Inode 11, i_blocks is 22, should be 0.  Fix? no

Inode 15 has INLINE_DATA_FL flag but extended attribute not found.  Truncate? no

Inode 15 has illegal extended attribute value inode 15.
Clear? no

Inode 17 has the casefold flag set but is not a directory.  Clear flag? no

Directory <17> has the casefold flag, but the
casefold feature is not enabled.  Clear flag? no

Inode 17 seems to have inline data but extent flag is set.
Fix? no

Inode 17 has inline data and extent flags set but i_block contains junk.
Clear inode? no

Inode 17 has EXTENTS_FL flag set on filesystem without extents support.
Clear? no

Inode 13 has illegal block(s).  Clear? no

Illegal indirect block (234881024) in inode 13.  IGNORED.
Error while iterating over blocks in inode 13: Illegal indirect block found

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

e2fsck: aborted

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