fsck.ext4 -n exited with status code 12 e2fsck 1.47.0 (5-Feb-2023) syzkaller contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Inode 15 has extent header but inline data flag is set. Fix? no Inode 15 seems to have inline data but extent flag is set. Fix? no Inode 15 has inline data and extent flags set but i_block contains junk. Clear inode? no Inode 15 has INLINE_DATA_FL flag on filesystem without inline data support. Clear? no Inode 15, i_blocks is 64, should be 32. Fix? no Pass 2: Checking directory structure Directory inode 2, block #0, offset 876: directory corrupted Salvage? no e2fsck: aborted syzkaller: ********** WARNING: Filesystem still has errors **********