fsck.te

# Any fsck program run by init
type fsck, domain, domain_deprecated;
type fsck_exec, exec_type, file_type;

init_daemon_domain(fsck)

# /dev/__null__ created by init prior to policy load,
# open fd inherited by fsck.
allow fsck tmpfs:chr_file { read write ioctl };

# Inherit and use pty created by android_fork_execvp_ext().
allow fsck devpts:chr_file { read write ioctl getattr };

# Allow stdin/out back to vold
allow fsck vold:fd use;
allow fsck vold:fifo_file { read write getattr };

# Run fsck on certain block devices
allow fsck block_device:dir search;
allow fsck userdata_block_device:blk_file rw_file_perms;
allow fsck cache_block_device:blk_file rw_file_perms;
allow fsck dm_device:blk_file rw_file_perms;

# fsck performs a stat() on swap to verify that it is a valid
# swap device before setting the EXT2_MF_SWAP mount flag.
allow fsck swap_block_device:blk_file getattr;