fsck.ext4 -n exited with status code 12 e2fsck 1.47.0 (5-Feb-2023) ext2fs_check_desc: Corrupt group descriptor: bad block for block bitmap Group descriptor 0 marked uninitialized without feature set. Fix? no Invalid project quota inode 8388621. Fix? no syzkaller contains a file system with errors, check forced. Filesystem does not have resize_inode enabled, but s_reserved_gdt_blocks is 1; should be zero. Fix? no Pass 1: Checking inodes, blocks, and sizes Group 0's block bitmap at 3 conflicts with some other fs block. Relocate? no Deleted inode 15 has zero dtime. Fix? no Inode 16, i_blocks is 18, should be 0. Fix? no Inode 11 has illegal block(s). Clear? no Illegal triple indirect block (131072) in inode 11. IGNORED. Error while iterating over blocks in inode 11: Illegal triply indirect block found syzkaller: ********** WARNING: Filesystem still has errors ********** e2fsck: aborted syzkaller: ********** WARNING: Filesystem still has errors **********