fsck.ext4 -n exited with status code 12 e2fsck 1.47.0 (5-Feb-2023) 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 Deleted inode 15 has zero dtime. Fix? 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 **********