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platform_system_core/rootdir/init.rc
Jooyung Han 9561496303 Prepare /data/property before load_persist_props 
Without the directory (this happens on the very first boot),
load_persist_props can't create an initial version of
/data/property/persistent_properties (probably empty). This leads to
persisting all in-memory "persist.*" properties later when a persistent
property is set. This is regression from Android S because persistent
props from, for example, build.prop will be persisted even when there's
no process to explicitly setprop.

Bug: 242264580
Test: launch cuttlefish and verify that there's no props from build.prop
Change-Id: I5819a97750e4d5d1ee5a7c308bf944c7aeab2f90
2022-08-18 10:03:02 +09:00

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# Copyright (C) 2012 The Android Open Source Project
#
# IMPORTANT: Do not create world writable files or directories.
# This is a common source of Android security bugs.
#
import /init.environ.rc
import /system/etc/init/hw/init.usb.rc
import /init.${ro.hardware}.rc
import /vendor/etc/init/hw/init.${ro.hardware}.rc
import /system/etc/init/hw/init.usb.configfs.rc
import /system/etc/init/hw/init.${ro.zygote}.rc
# Cgroups are mounted right before early-init using list from /etc/cgroups.json
on early-init
# Disable sysrq from keyboard
write /proc/sys/kernel/sysrq 0
# Android doesn't need kernel module autoloading, and it causes SELinux
# denials. So disable it by setting modprobe to the empty string. Note: to
# explicitly set a sysctl to an empty string, a trailing newline is needed.
write /proc/sys/kernel/modprobe \n
# Set the security context of /adb_keys if present.
restorecon /adb_keys
# Set the security context of /postinstall if present.
restorecon /postinstall
mkdir /acct/uid
# memory.pressure_level used by lmkd
chown root system /dev/memcg/memory.pressure_level
chmod 0040 /dev/memcg/memory.pressure_level
# app mem cgroups, used by activity manager, lmkd and zygote
mkdir /dev/memcg/apps/ 0755 system system
# cgroup for system_server and surfaceflinger
mkdir /dev/memcg/system 0550 system system
# symlink the Android specific /dev/tun to Linux expected /dev/net/tun
mkdir /dev/net 0755 root root
symlink ../tun /dev/net/tun
# set RLIMIT_NICE to allow priorities from 19 to -20
setrlimit nice 40 40
# Allow up to 32K FDs per process
setrlimit nofile 32768 32768
# Set up linker config subdirectories based on mount namespaces
mkdir /linkerconfig/bootstrap 0755
mkdir /linkerconfig/default 0755
# Disable dm-verity hash prefetching, since it doesn't help performance
# Read more in b/136247322
write /sys/module/dm_verity/parameters/prefetch_cluster 0
# Generate ld.config.txt for early executed processes
exec -- /system/bin/bootstrap/linkerconfig --target /linkerconfig/bootstrap
chmod 644 /linkerconfig/bootstrap/ld.config.txt
copy /linkerconfig/bootstrap/ld.config.txt /linkerconfig/default/ld.config.txt
chmod 644 /linkerconfig/default/ld.config.txt
# Mount bootstrap linker configuration as current
mount none /linkerconfig/bootstrap /linkerconfig bind rec
start ueventd
# Run apexd-bootstrap so that APEXes that provide critical libraries
# become available. Note that this is executed as exec_start to ensure that
# the libraries are available to the processes started after this statement.
exec_start apexd-bootstrap
# Generate linker config based on apex mounted in bootstrap namespace
update_linker_config
# These must already exist by the time boringssl_self_test32 / boringssl_self_test64 run.
mkdir /dev/boringssl 0755 root root
mkdir /dev/boringssl/selftest 0755 root root
# Mount tracefs (with GID=AID_READTRACEFS)
mount tracefs tracefs /sys/kernel/tracing gid=3012
# create sys dirctory
mkdir /dev/sys 0755 system system
mkdir /dev/sys/fs 0755 system system
mkdir /dev/sys/block 0755 system system
# Create location for fs_mgr to store abbreviated output from filesystem
# checker programs.
mkdir /dev/fscklogs 0770 root system
on init
sysclktz 0
# Mix device-specific information into the entropy pool
copy /proc/cmdline /dev/urandom
copy /system/etc/prop.default /dev/urandom
symlink /proc/self/fd/0 /dev/stdin
symlink /proc/self/fd/1 /dev/stdout
symlink /proc/self/fd/2 /dev/stderr
# Create energy-aware scheduler tuning nodes
mkdir /dev/stune/foreground
mkdir /dev/stune/background
mkdir /dev/stune/top-app
mkdir /dev/stune/rt
chown system system /dev/stune
chown system system /dev/stune/foreground
chown system system /dev/stune/background
chown system system /dev/stune/top-app
chown system system /dev/stune/rt
chown system system /dev/stune/tasks
chown system system /dev/stune/foreground/tasks
chown system system /dev/stune/background/tasks
chown system system /dev/stune/top-app/tasks
chown system system /dev/stune/rt/tasks
chown system system /dev/stune/cgroup.procs
chown system system /dev/stune/foreground/cgroup.procs
chown system system /dev/stune/background/cgroup.procs
chown system system /dev/stune/top-app/cgroup.procs
chown system system /dev/stune/rt/cgroup.procs
chmod 0664 /dev/stune/tasks
chmod 0664 /dev/stune/foreground/tasks
chmod 0664 /dev/stune/background/tasks
chmod 0664 /dev/stune/top-app/tasks
chmod 0664 /dev/stune/rt/tasks
chmod 0664 /dev/stune/cgroup.procs
chmod 0664 /dev/stune/foreground/cgroup.procs
chmod 0664 /dev/stune/background/cgroup.procs
chmod 0664 /dev/stune/top-app/cgroup.procs
chmod 0664 /dev/stune/rt/cgroup.procs
# cpuctl hierarchy for devices using utilclamp
mkdir /dev/cpuctl/foreground
mkdir /dev/cpuctl/background
mkdir /dev/cpuctl/top-app
mkdir /dev/cpuctl/rt
mkdir /dev/cpuctl/system
mkdir /dev/cpuctl/system-background
mkdir /dev/cpuctl/dex2oat
chown system system /dev/cpuctl
chown system system /dev/cpuctl/foreground
chown system system /dev/cpuctl/background
chown system system /dev/cpuctl/top-app
chown system system /dev/cpuctl/rt
chown system system /dev/cpuctl/system
chown system system /dev/cpuctl/system-background
chown system system /dev/cpuctl/dex2oat
chown system system /dev/cpuctl/tasks
chown system system /dev/cpuctl/foreground/tasks
chown system system /dev/cpuctl/background/tasks
chown system system /dev/cpuctl/top-app/tasks
chown system system /dev/cpuctl/rt/tasks
chown system system /dev/cpuctl/system/tasks
chown system system /dev/cpuctl/system-background/tasks
chown system system /dev/cpuctl/dex2oat/tasks
chown system system /dev/cpuctl/cgroup.procs
chown system system /dev/cpuctl/foreground/cgroup.procs
chown system system /dev/cpuctl/background/cgroup.procs
chown system system /dev/cpuctl/top-app/cgroup.procs
chown system system /dev/cpuctl/rt/cgroup.procs
chown system system /dev/cpuctl/system/cgroup.procs
chown system system /dev/cpuctl/system-background/cgroup.procs
chown system system /dev/cpuctl/dex2oat/cgroup.procs
chmod 0664 /dev/cpuctl/tasks
chmod 0664 /dev/cpuctl/foreground/tasks
chmod 0664 /dev/cpuctl/background/tasks
chmod 0664 /dev/cpuctl/top-app/tasks
chmod 0664 /dev/cpuctl/rt/tasks
chmod 0664 /dev/cpuctl/system/tasks
chmod 0664 /dev/cpuctl/system-background/tasks
chmod 0664 /dev/cpuctl/dex2oat/tasks
chmod 0664 /dev/cpuctl/cgroup.procs
chmod 0664 /dev/cpuctl/foreground/cgroup.procs
chmod 0664 /dev/cpuctl/background/cgroup.procs
chmod 0664 /dev/cpuctl/top-app/cgroup.procs
chmod 0664 /dev/cpuctl/rt/cgroup.procs
chmod 0664 /dev/cpuctl/system/cgroup.procs
chmod 0664 /dev/cpuctl/system-background/cgroup.procs
chmod 0664 /dev/cpuctl/dex2oat/cgroup.procs
# Create a cpu group for NNAPI HAL processes
mkdir /dev/cpuctl/nnapi-hal
chown system system /dev/cpuctl/nnapi-hal
chown system system /dev/cpuctl/nnapi-hal/tasks
chown system system /dev/cpuctl/nnapi-hal/cgroup.procs
chmod 0664 /dev/cpuctl/nnapi-hal/tasks
chmod 0664 /dev/cpuctl/nnapi-hal/cgroup.procs
write /dev/cpuctl/nnapi-hal/cpu.uclamp.min 1
write /dev/cpuctl/nnapi-hal/cpu.uclamp.latency_sensitive 1
# Create a cpu group for camera daemon processes
mkdir /dev/cpuctl/camera-daemon
chown system system /dev/cpuctl/camera-daemon
chown system system /dev/cpuctl/camera-daemon/tasks
chown system system /dev/cpuctl/camera-daemon/cgroup.procs
chmod 0664 /dev/cpuctl/camera-daemon/tasks
chmod 0664 /dev/cpuctl/camera-daemon/cgroup.procs
# Create an stune group for camera-specific processes
mkdir /dev/stune/camera-daemon
chown system system /dev/stune/camera-daemon
chown system system /dev/stune/camera-daemon/tasks
chown system system /dev/stune/camera-daemon/cgroup.procs
chmod 0664 /dev/stune/camera-daemon/tasks
chmod 0664 /dev/stune/camera-daemon/cgroup.procs
# Create an stune group for NNAPI HAL processes
mkdir /dev/stune/nnapi-hal
chown system system /dev/stune/nnapi-hal
chown system system /dev/stune/nnapi-hal/tasks
chown system system /dev/stune/nnapi-hal/cgroup.procs
chmod 0664 /dev/stune/nnapi-hal/tasks
chmod 0664 /dev/stune/nnapi-hal/cgroup.procs
write /dev/stune/nnapi-hal/schedtune.boost 1
write /dev/stune/nnapi-hal/schedtune.prefer_idle 1
# Create blkio group and apply initial settings.
# This feature needs kernel to support it, and the
# device's init.rc must actually set the correct values.
mkdir /dev/blkio/background
chown system system /dev/blkio
chown system system /dev/blkio/background
chown system system /dev/blkio/tasks
chown system system /dev/blkio/background/tasks
chown system system /dev/blkio/cgroup.procs
chown system system /dev/blkio/background/cgroup.procs
chmod 0664 /dev/blkio/tasks
chmod 0664 /dev/blkio/background/tasks
chmod 0664 /dev/blkio/cgroup.procs
chmod 0664 /dev/blkio/background/cgroup.procs
write /dev/blkio/blkio.weight 1000
write /dev/blkio/background/blkio.weight 200
write /dev/blkio/background/blkio.bfq.weight 10
write /dev/blkio/blkio.group_idle 0
write /dev/blkio/background/blkio.group_idle 0
restorecon_recursive /mnt
mount configfs none /config nodev noexec nosuid
chmod 0770 /config/sdcardfs
chown system package_info /config/sdcardfs
# Mount binderfs
mkdir /dev/binderfs
mount binder binder /dev/binderfs stats=global
chmod 0755 /dev/binderfs
# Mount fusectl
mount fusectl none /sys/fs/fuse/connections
symlink /dev/binderfs/binder /dev/binder
symlink /dev/binderfs/hwbinder /dev/hwbinder
symlink /dev/binderfs/vndbinder /dev/vndbinder
chmod 0666 /dev/binderfs/hwbinder
chmod 0666 /dev/binderfs/binder
chmod 0666 /dev/binderfs/vndbinder
mkdir /mnt/secure 0700 root root
mkdir /mnt/secure/asec 0700 root root
mkdir /mnt/asec 0755 root system
mkdir /mnt/obb 0755 root system
mkdir /mnt/media_rw 0750 root external_storage
mkdir /mnt/user 0755 root root
mkdir /mnt/user/0 0755 root root
mkdir /mnt/user/0/self 0755 root root
mkdir /mnt/user/0/emulated 0755 root root
mkdir /mnt/user/0/emulated/0 0755 root root
# Prepare directories for pass through processes
mkdir /mnt/pass_through 0700 root root
mkdir /mnt/pass_through/0 0710 root media_rw
mkdir /mnt/pass_through/0/self 0710 root media_rw
mkdir /mnt/pass_through/0/emulated 0710 root media_rw
mkdir /mnt/pass_through/0/emulated/0 0710 root media_rw
mkdir /mnt/expand 0771 system system
mkdir /mnt/appfuse 0711 root root
# Storage views to support runtime permissions
mkdir /mnt/runtime 0700 root root
mkdir /mnt/runtime/default 0755 root root
mkdir /mnt/runtime/default/self 0755 root root
mkdir /mnt/runtime/read 0755 root root
mkdir /mnt/runtime/read/self 0755 root root
mkdir /mnt/runtime/write 0755 root root
mkdir /mnt/runtime/write/self 0755 root root
mkdir /mnt/runtime/full 0755 root root
mkdir /mnt/runtime/full/self 0755 root root
# Symlink to keep legacy apps working in multi-user world
symlink /storage/self/primary /mnt/sdcard
symlink /mnt/user/0/primary /mnt/runtime/default/self/primary
write /proc/sys/kernel/panic_on_oops 1
write /proc/sys/kernel/hung_task_timeout_secs 0
write /proc/cpu/alignment 4
# scheduler tunables
# Disable auto-scaling of scheduler tunables with hotplug. The tunables
# will vary across devices in unpredictable ways if allowed to scale with
# cpu cores.
write /proc/sys/kernel/sched_tunable_scaling 0
write /proc/sys/kernel/sched_latency_ns 10000000
write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
write /proc/sys/kernel/sched_child_runs_first 0
write /proc/sys/kernel/randomize_va_space 2
write /proc/sys/vm/mmap_min_addr 32768
write /proc/sys/net/ipv4/ping_group_range "0 2147483647"
write /proc/sys/net/unix/max_dgram_qlen 600
# Assign reasonable ceiling values for socket rcv/snd buffers.
# These should almost always be overridden by the target per the
# the corresponding technology maximums.
write /proc/sys/net/core/rmem_max 262144
write /proc/sys/net/core/wmem_max 262144
# reflect fwmark from incoming packets onto generated replies
write /proc/sys/net/ipv4/fwmark_reflect 1
write /proc/sys/net/ipv6/fwmark_reflect 1
# set fwmark on accepted sockets
write /proc/sys/net/ipv4/tcp_fwmark_accept 1
# disable icmp redirects
write /proc/sys/net/ipv4/conf/all/accept_redirects 0
write /proc/sys/net/ipv6/conf/all/accept_redirects 0
# /proc/net/fib_trie leaks interface IP addresses
chmod 0400 /proc/net/fib_trie
# sets up initial cpusets for ActivityManager
# this ensures that the cpusets are present and usable, but the device's
# init.rc must actually set the correct cpus
mkdir /dev/cpuset/foreground
copy /dev/cpuset/cpus /dev/cpuset/foreground/cpus
copy /dev/cpuset/mems /dev/cpuset/foreground/mems
mkdir /dev/cpuset/background
copy /dev/cpuset/cpus /dev/cpuset/background/cpus
copy /dev/cpuset/mems /dev/cpuset/background/mems
# system-background is for system tasks that should only run on
# little cores, not on bigs
mkdir /dev/cpuset/system-background
copy /dev/cpuset/cpus /dev/cpuset/system-background/cpus
copy /dev/cpuset/mems /dev/cpuset/system-background/mems
# restricted is for system tasks that are being throttled
# due to screen off.
mkdir /dev/cpuset/restricted
copy /dev/cpuset/cpus /dev/cpuset/restricted/cpus
copy /dev/cpuset/mems /dev/cpuset/restricted/mems
mkdir /dev/cpuset/top-app
copy /dev/cpuset/cpus /dev/cpuset/top-app/cpus
copy /dev/cpuset/mems /dev/cpuset/top-app/mems
# create a cpuset for camera daemon processes
mkdir /dev/cpuset/camera-daemon
copy /dev/cpuset/cpus /dev/cpuset/camera-daemon/cpus
copy /dev/cpuset/mems /dev/cpuset/camera-daemon/mems
# change permissions for all cpusets we'll touch at runtime
chown system system /dev/cpuset
chown system system /dev/cpuset/foreground
chown system system /dev/cpuset/background
chown system system /dev/cpuset/system-background
chown system system /dev/cpuset/top-app
chown system system /dev/cpuset/restricted
chown system system /dev/cpuset/camera-daemon
chown system system /dev/cpuset/tasks
chown system system /dev/cpuset/foreground/tasks
chown system system /dev/cpuset/background/tasks
chown system system /dev/cpuset/system-background/tasks
chown system system /dev/cpuset/top-app/tasks
chown system system /dev/cpuset/restricted/tasks
chown system system /dev/cpuset/camera-daemon/tasks
chown system system /dev/cpuset/cgroup.procs
chown system system /dev/cpuset/foreground/cgroup.procs
chown system system /dev/cpuset/background/cgroup.procs
chown system system /dev/cpuset/system-background/cgroup.procs
chown system system /dev/cpuset/top-app/cgroup.procs
chown system system /dev/cpuset/restricted/cgroup.procs
chown system system /dev/cpuset/camera-daemon/cgroup.procs
# set system-background to 0775 so SurfaceFlinger can touch it
chmod 0775 /dev/cpuset/system-background
chmod 0664 /dev/cpuset/foreground/tasks
chmod 0664 /dev/cpuset/background/tasks
chmod 0664 /dev/cpuset/system-background/tasks
chmod 0664 /dev/cpuset/top-app/tasks
chmod 0664 /dev/cpuset/restricted/tasks
chmod 0664 /dev/cpuset/tasks
chmod 0664 /dev/cpuset/camera-daemon/tasks
chmod 0664 /dev/cpuset/foreground/cgroup.procs
chmod 0664 /dev/cpuset/background/cgroup.procs
chmod 0664 /dev/cpuset/system-background/cgroup.procs
chmod 0664 /dev/cpuset/top-app/cgroup.procs
chmod 0664 /dev/cpuset/restricted/cgroup.procs
chmod 0664 /dev/cpuset/cgroup.procs
chmod 0664 /dev/cpuset/camera-daemon/cgroup.procs
# make the PSI monitor accessible to others
chown system system /proc/pressure/memory
chmod 0664 /proc/pressure/memory
# qtaguid will limit access to specific data based on group memberships.
# net_bw_acct grants impersonation of socket owners.
# net_bw_stats grants access to other apps' detailed tagged-socket stats.
chown root net_bw_acct /proc/net/xt_qtaguid/ctrl
chown root net_bw_stats /proc/net/xt_qtaguid/stats
# Allow everybody to read the xt_qtaguid resource tracking misc dev.
# This is needed by any process that uses socket tagging.
chmod 0644 /dev/xt_qtaguid
mount bpf bpf /sys/fs/bpf nodev noexec nosuid
# pstore/ramoops previous console log
mount pstore pstore /sys/fs/pstore nodev noexec nosuid
chown system log /sys/fs/pstore
chmod 0550 /sys/fs/pstore
chown system log /sys/fs/pstore/console-ramoops
chmod 0440 /sys/fs/pstore/console-ramoops
chown system log /sys/fs/pstore/console-ramoops-0
chmod 0440 /sys/fs/pstore/console-ramoops-0
chown system log /sys/fs/pstore/pmsg-ramoops-0
chmod 0440 /sys/fs/pstore/pmsg-ramoops-0
# enable armv8_deprecated instruction hooks
write /proc/sys/abi/swp 1
# Linux's execveat() syscall may construct paths containing /dev/fd
# expecting it to point to /proc/self/fd
symlink /proc/self/fd /dev/fd
export DOWNLOAD_CACHE /data/cache
# This allows the ledtrig-transient properties to be created here so
# that they can be chown'd to system:system later on boot
write /sys/class/leds/vibrator/trigger "transient"
# This is used by Bionic to select optimized routines.
write /dev/cpu_variant:${ro.bionic.arch} ${ro.bionic.cpu_variant}
chmod 0444 /dev/cpu_variant:${ro.bionic.arch}
write /dev/cpu_variant:${ro.bionic.2nd_arch} ${ro.bionic.2nd_cpu_variant}
chmod 0444 /dev/cpu_variant:${ro.bionic.2nd_arch}
# Allow system processes to read / write power state.
chown system system /sys/power/state
chown system system /sys/power/wakeup_count
chmod 0660 /sys/power/state
chown radio wakelock /sys/power/wake_lock
chown radio wakelock /sys/power/wake_unlock
chmod 0660 /sys/power/wake_lock
chmod 0660 /sys/power/wake_unlock
# Start logd before any other services run to ensure we capture all of their logs.
start logd
# Start lmkd before any other services run so that it can register them
write /proc/sys/vm/watermark_boost_factor 0
chown root system /sys/module/lowmemorykiller/parameters/adj
chmod 0664 /sys/module/lowmemorykiller/parameters/adj
chown root system /sys/module/lowmemorykiller/parameters/minfree
chmod 0664 /sys/module/lowmemorykiller/parameters/minfree
start lmkd
# Start essential services.
start servicemanager
start hwservicemanager
start vndservicemanager
# Run boringssl self test for each ABI. Any failures trigger reboot to firmware.
on init && property:ro.product.cpu.abilist32=*
exec_start boringssl_self_test32
on init && property:ro.product.cpu.abilist64=*
exec_start boringssl_self_test64
on property:apexd.status=ready && property:ro.product.cpu.abilist32=*
exec_start boringssl_self_test_apex32
on property:apexd.status=ready && property:ro.product.cpu.abilist64=*
exec_start boringssl_self_test_apex64
service boringssl_self_test32 /system/bin/boringssl_self_test32
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
service boringssl_self_test64 /system/bin/boringssl_self_test64
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
service boringssl_self_test_apex32 /apex/com.android.conscrypt/bin/boringssl_self_test32
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
service boringssl_self_test_apex64 /apex/com.android.conscrypt/bin/boringssl_self_test64
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
# Healthd can trigger a full boot from charger mode by signaling this
# property when the power button is held.
on property:sys.boot_from_charger_mode=1
class_stop charger
trigger late-init
# Indicate to fw loaders that the relevant mounts are up.
on firmware_mounts_complete
rm /dev/.booting
# Mount filesystems and start core system services.
on late-init
trigger early-fs
# Mount fstab in init.{$device}.rc by mount_all command. Optional parameter
# '--early' can be specified to skip entries with 'latemount'.
# /system and /vendor must be mounted by the end of the fs stage,
# while /data is optional.
trigger fs
trigger post-fs
# Mount fstab in init.{$device}.rc by mount_all with '--late' parameter
# to only mount entries with 'latemount'. This is needed if '--early' is
# specified in the previous mount_all command on the fs stage.
# With /system mounted and properties form /system + /factory available,
# some services can be started.
trigger late-fs
# Now we can mount /data. File encryption requires keymaster to decrypt
# /data, which in turn can only be loaded when system properties are present.
trigger post-fs-data
# APEXes are ready to use. apex-ready is a public trigger similar to apexd.status=ready which
# is a system-private property.
trigger apex-ready
# Should be before netd, but after apex, properties and logging is available.
trigger load_bpf_programs
# Now we can start zygote for devices with file based encryption
trigger zygote-start
# Remove a file to wake up anything waiting for firmware.
trigger firmware_mounts_complete
trigger early-boot
trigger boot
on early-fs
# Once metadata has been mounted, we'll need vold to deal with userdata checkpointing
start vold
on post-fs
exec - system system -- /system/bin/vdc checkpoint markBootAttempt
# Once everything is setup, no need to modify /.
# The bind+remount combination allows this to work in containers.
mount rootfs rootfs / remount bind ro nodev
# Mount default storage into root namespace
mount none /mnt/user/0 /storage bind rec
mount none none /storage slave rec
# Make sure /sys/kernel/debug (if present) is labeled properly
# Note that tracefs may be mounted under debug, so we need to cross filesystems
restorecon --recursive --cross-filesystems /sys/kernel/debug
# We chown/chmod /cache again so because mount is run as root + defaults
chown system cache /cache
chmod 0770 /cache
# We restorecon /cache in case the cache partition has been reset.
restorecon_recursive /cache
# Create /cache/recovery in case it's not there. It'll also fix the odd
# permissions if created by the recovery system.
mkdir /cache/recovery 0770 system cache
# Backup/restore mechanism uses the cache partition
mkdir /cache/backup_stage 0700 system system
mkdir /cache/backup 0700 system system
#change permissions on vmallocinfo so we can grab it from bugreports
chown root log /proc/vmallocinfo
chmod 0440 /proc/vmallocinfo
chown root log /proc/slabinfo
chmod 0440 /proc/slabinfo
chown root log /proc/pagetypeinfo
chmod 0440 /proc/pagetypeinfo
#change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
chown root system /proc/kmsg
chmod 0440 /proc/kmsg
chown root system /proc/sysrq-trigger
chmod 0220 /proc/sysrq-trigger
chown system log /proc/last_kmsg
chmod 0440 /proc/last_kmsg
# make the selinux kernel policy world-readable
chmod 0444 /sys/fs/selinux/policy
# create the lost+found directories, so as to enforce our permissions
mkdir /cache/lost+found 0770 root root
restorecon_recursive /metadata
mkdir /metadata/vold
chmod 0700 /metadata/vold
mkdir /metadata/password_slots 0771 root system
mkdir /metadata/bootstat 0750 system log
mkdir /metadata/ota 0700 root system
mkdir /metadata/ota/snapshots 0700 root system
mkdir /metadata/userspacereboot 0770 root system
mkdir /metadata/watchdog 0770 root system
mkdir /metadata/apex 0700 root system
mkdir /metadata/apex/sessions 0700 root system
# On some devices we see a weird behaviour in which /metadata/apex doesn't
# have a correct label. To workaround this bug, explicitly call restorecon
# on /metadata/apex. For most of the boot sequences /metadata/apex will
# already have a correct selinux label, meaning that this call will be a
# no-op.
restorecon_recursive /metadata/apex
mkdir /metadata/staged-install 0770 root system
mkdir /metadata/sepolicy 0700 root root
on late-fs
# Ensure that tracefs has the correct permissions.
# This does not work correctly if it is called in post-fs.
chmod 0755 /sys/kernel/tracing
chmod 0755 /sys/kernel/debug/tracing
# HALs required before storage encryption can get unlocked (FBE/FDE)
class_start early_hal
# Load trusted keys from dm-verity protected partitions
exec -- /system/bin/fsverity_init --load-verified-keys
# Only enable the bootreceiver tracing instance for kernels 5.10 and above.
on late-fs && property:ro.kernel.version=4.9
setprop bootreceiver.enable 0
on late-fs && property:ro.kernel.version=4.14
setprop bootreceiver.enable 0
on late-fs && property:ro.kernel.version=4.19
setprop bootreceiver.enable 0
on late-fs && property:ro.kernel.version=5.4
setprop bootreceiver.enable 0
on late-fs
# Bootreceiver tracing instance is enabled by default.
setprop bootreceiver.enable ${bootreceiver.enable:-1}
on property:ro.product.cpu.abilist64=* && property:bootreceiver.enable=1
# Set up a tracing instance for system_server to monitor error_report_end events.
# These are sent by kernel tools like KASAN and KFENCE when a memory corruption
# is detected. This is only needed for 64-bit systems.
mkdir /sys/kernel/tracing/instances/bootreceiver 0700 system system
restorecon_recursive /sys/kernel/tracing/instances/bootreceiver
write /sys/kernel/tracing/instances/bootreceiver/buffer_size_kb 1
write /sys/kernel/tracing/instances/bootreceiver/trace_options disable_on_free
write /sys/kernel/tracing/instances/bootreceiver/events/error_report/error_report_end/enable 1
on post-fs-data
mark_post_data
# Start checkpoint before we touch data
exec - system system -- /system/bin/vdc checkpoint prepareCheckpoint
# We chown/chmod /data again so because mount is run as root + defaults
chown system system /data
chmod 0771 /data
# We restorecon /data in case the userdata partition has been reset.
restorecon /data
# Make sure we have the device encryption key.
installkey /data
# Start bootcharting as soon as possible after the data partition is
# mounted to collect more data.
mkdir /data/bootchart 0755 shell shell encryption=Require
bootchart start
# Avoid predictable entropy pool. Carry over entropy from previous boot.
copy /data/system/entropy.dat /dev/urandom
mkdir /data/vendor 0771 root root encryption=Require
mkdir /data/vendor/hardware 0771 root root
# Start tombstoned early to be able to store tombstones.
mkdir /data/anr 0775 system system encryption=Require
mkdir /data/tombstones 0771 system system encryption=Require
mkdir /data/vendor/tombstones 0771 root root
mkdir /data/vendor/tombstones/wifi 0771 wifi wifi
start tombstoned
# Make sure that apexd is started in the default namespace
enter_default_mount_ns
# set up keystore directory structure first so that we can end early boot
# and start apexd
mkdir /data/misc 01771 system misc encryption=Require
mkdir /data/misc/keystore 0700 keystore keystore
# work around b/183668221
restorecon /data/misc /data/misc/keystore
# Boot level 30
# odsign signing keys have MAX_BOOT_LEVEL=30
# This is currently the earliest boot level, but we start at 30
# to leave room for earlier levels.
setprop keystore.boot_level 30
# Now that /data is mounted and we have created /data/misc/keystore,
# we can tell keystore to stop allowing use of early-boot keys,
# and access its database for the first time to support creation and
# use of MAX_BOOT_LEVEL keys.
exec - system system -- /system/bin/vdc keymaster earlyBootEnded
# Multi-installed APEXes are selected using persist props.
# Load persist properties and override properties (if enabled) from /data,
# before starting apexd.
# /data/property should be created before `load_persist_props`
mkdir /data/property 0700 root root encryption=Require
load_persist_props
start logd
start logd-reinit
# Some existing vendor rc files use 'on load_persist_props_action' to know
# when persist props are ready. These are difficult to change due to GRF,
# so continue triggering this action here even though props are already loaded
# by the 'load_persist_props' call above.
trigger load_persist_props_action
# /data/apex is now available. Start apexd to scan and activate APEXes.
#
# To handle userspace reboots as well as devices that use FDE, make sure
# that apexd is started cleanly here (set apexd.status="") and that it is
# restarted if it's already running.
#
# /data/apex uses encryption=None because direct I/O support is needed on
# APEX files, but some devices don't support direct I/O on encrypted files.
# Also, APEXes are public information, similar to the system image.
# /data/apex/decompressed and /data/apex/ota_reserved override this setting;
# they are encrypted so that files in them can be hard-linked into
# /data/rollback which is encrypted.
mkdir /data/apex 0755 root system encryption=None
mkdir /data/apex/active 0755 root system
mkdir /data/apex/backup 0700 root system
mkdir /data/apex/decompressed 0755 root system encryption=Require
mkdir /data/apex/hashtree 0700 root system
mkdir /data/apex/sessions 0700 root system
mkdir /data/app-staging 0751 system system encryption=DeleteIfNecessary
mkdir /data/apex/ota_reserved 0700 root system encryption=Require
setprop apexd.status ""
restart apexd
# create rest of basic filesystem structure
mkdir /data/misc/recovery 0770 system log
copy /data/misc/recovery/ro.build.fingerprint /data/misc/recovery/ro.build.fingerprint.1
chmod 0440 /data/misc/recovery/ro.build.fingerprint.1
chown system log /data/misc/recovery/ro.build.fingerprint.1
write /data/misc/recovery/ro.build.fingerprint ${ro.build.fingerprint}
chmod 0440 /data/misc/recovery/ro.build.fingerprint
chown system log /data/misc/recovery/ro.build.fingerprint
mkdir /data/misc/recovery/proc 0770 system log
copy /data/misc/recovery/proc/version /data/misc/recovery/proc/version.1
chmod 0440 /data/misc/recovery/proc/version.1
chown system log /data/misc/recovery/proc/version.1
copy /proc/version /data/misc/recovery/proc/version
chmod 0440 /data/misc/recovery/proc/version
chown system log /data/misc/recovery/proc/version
mkdir /data/misc/bluedroid 02770 bluetooth bluetooth
# Fix the access permissions and group ownership for 'bt_config.conf'
chmod 0660 /data/misc/bluedroid/bt_config.conf
chown bluetooth bluetooth /data/misc/bluedroid/bt_config.conf
mkdir /data/misc/bluetooth 0770 bluetooth bluetooth
mkdir /data/misc/bluetooth/logs 0770 bluetooth bluetooth
mkdir /data/misc/nfc 0770 nfc nfc
mkdir /data/misc/nfc/logs 0770 nfc nfc
mkdir /data/misc/credstore 0700 credstore credstore
mkdir /data/misc/gatekeeper 0700 system system
mkdir /data/misc/keychain 0771 system system
mkdir /data/misc/net 0750 root shell
mkdir /data/misc/radio 0770 system radio
mkdir /data/misc/sms 0770 system radio
mkdir /data/misc/carrierid 0770 system radio
mkdir /data/misc/apns 0770 system radio
mkdir /data/misc/emergencynumberdb 0770 system radio
mkdir /data/misc/network_watchlist 0774 system system
mkdir /data/misc/textclassifier 0771 system system
mkdir /data/misc/vpn 0770 system vpn
mkdir /data/misc/shared_relro 0771 shared_relro shared_relro
mkdir /data/misc/systemkeys 0700 system system
mkdir /data/misc/wifi 0770 wifi wifi
mkdir /data/misc/wifi/sockets 0770 wifi wifi
mkdir /data/misc/wifi/wpa_supplicant 0770 wifi wifi
mkdir /data/misc/ethernet 0770 system system
mkdir /data/misc/dhcp 0770 dhcp dhcp
mkdir /data/misc/user 0771 root root
# give system access to wpa_supplicant.conf for backup and restore
chmod 0660 /data/misc/wifi/wpa_supplicant.conf
mkdir /data/local 0751 root root encryption=Require
mkdir /data/misc/media 0700 media media
mkdir /data/misc/audioserver 0700 audioserver audioserver
mkdir /data/misc/cameraserver 0700 cameraserver cameraserver
mkdir /data/misc/vold 0700 root root
mkdir /data/misc/boottrace 0771 system shell
mkdir /data/misc/update_engine 0700 root root
mkdir /data/misc/update_engine_log 02750 root log
mkdir /data/misc/trace 0700 root root
# create location to store surface and window trace files
mkdir /data/misc/wmtrace 0700 system system
# create location to store accessibility trace files
mkdir /data/misc/a11ytrace 0700 system system
# profile file layout
mkdir /data/misc/profiles 0771 system system
mkdir /data/misc/profiles/cur 0771 system system
mkdir /data/misc/profiles/ref 0771 system system
mkdir /data/misc/profman 0770 system shell
mkdir /data/misc/gcov 0770 root root
mkdir /data/misc/installd 0700 root root
mkdir /data/misc/apexdata 0711 root root
mkdir /data/misc/apexrollback 0700 root root
mkdir /data/misc/appcompat/ 0700 system system
mkdir /data/misc/snapshotctl_log 0755 root root
# create location to store pre-reboot information
mkdir /data/misc/prereboot 0700 system system
# directory used for on-device refresh metrics file.
mkdir /data/misc/odrefresh 0777 system system
# directory used for on-device signing key blob
mkdir /data/misc/odsign 0710 root system
# directory used for odsign metrics
mkdir /data/misc/odsign/metrics 0770 root system
# Directory for VirtualizationService temporary image files.
# Delete any stale files owned by the old virtualizationservice uid (b/230056726).
chmod 0770 /data/misc/virtualizationservice
exec - virtualizationservice system -- /bin/rm -rf /data/misc/virtualizationservice
mkdir /data/misc/virtualizationservice 0770 system system
# /data/preloads uses encryption=None because it only contains preloaded
# files that are public information, similar to the system image.
mkdir /data/preloads 0775 system system encryption=None
# For security reasons, /data/local/tmp should always be empty.
# Do not place files or directories in /data/local/tmp
mkdir /data/local/tmp 0771 shell shell
mkdir /data/local/traces 0777 shell shell
mkdir /data/app-private 0771 system system encryption=Require
mkdir /data/app-ephemeral 0771 system system encryption=Require
mkdir /data/app-asec 0700 root root encryption=Require
mkdir /data/app-lib 0771 system system encryption=Require
mkdir /data/app 0771 system system encryption=Require
# create directory for updated font files.
mkdir /data/fonts/ 0771 root root encryption=Require
mkdir /data/fonts/files 0771 system system
mkdir /data/fonts/config 0770 system system
# Create directories to push tests to for each linker namespace.
# Create the subdirectories in case the first test is run as root
# so it doesn't end up owned by root.
# Set directories to be executable by any process so that debuggerd,
# aka crash_dump, can read any executables/shared libraries.
mkdir /data/local/tests 0701 shell shell
mkdir /data/local/tests/product 0701 shell shell
mkdir /data/local/tests/system 0701 shell shell
mkdir /data/local/tests/unrestricted 0701 shell shell
mkdir /data/local/tests/vendor 0701 shell shell
# create dalvik-cache, so as to enforce our permissions
mkdir /data/dalvik-cache 0771 root root encryption=Require
# create the A/B OTA directory, so as to enforce our permissions
mkdir /data/ota 0771 root root encryption=Require
# create the OTA package directory. It will be accessed by GmsCore (cache
# group), update_engine and update_verifier.
mkdir /data/ota_package 0770 system cache encryption=Require
# create resource-cache and double-check the perms
mkdir /data/resource-cache 0771 system system encryption=Require
chown system system /data/resource-cache
chmod 0771 /data/resource-cache
# Ensure that lost+found exists and has the correct permissions. Linux
# filesystems expect this directory to exist; it's where the fsck tool puts
# any recovered files that weren't present in any directory. It must be
# unencrypted, as fsck must be able to write to it.
mkdir /data/lost+found 0770 root root encryption=None
# create directory for DRM plug-ins - give drm the read/write access to
# the following directory.
mkdir /data/drm 0770 drm drm encryption=Require
# create directory for MediaDrm plug-ins - give drm the read/write access to
# the following directory.
mkdir /data/mediadrm 0770 mediadrm mediadrm encryption=Require
# NFC: create data/nfc for nv storage
mkdir /data/nfc 0770 nfc nfc encryption=Require
mkdir /data/nfc/param 0770 nfc nfc
# Create all remaining /data root dirs so that they are made through init
# and get proper encryption policy installed
mkdir /data/backup 0700 system system encryption=Require
mkdir /data/ss 0700 system system encryption=Require
mkdir /data/system 0775 system system encryption=Require
mkdir /data/system/environ 0700 system system
# b/183861600 attempt to fix selinux label before running derive_classpath service
restorecon /data/system/environ
mkdir /data/system/dropbox 0700 system system
mkdir /data/system/heapdump 0700 system system
mkdir /data/system/users 0775 system system
# Create the parent directories of the user CE and DE storage directories.
# These parent directories must use encryption=None, since each of their
# subdirectories uses a different encryption policy (a per-user one), and
# encryption policies apply recursively. These directories should never
# contain any subdirectories other than the per-user ones. /data/media/obb
# is an exception that exists for legacy reasons.
mkdir /data/media 0770 media_rw media_rw encryption=None
mkdir /data/misc_ce 01771 system misc encryption=None
mkdir /data/misc_de 01771 system misc encryption=None
mkdir /data/system_ce 0770 system system encryption=None
mkdir /data/system_de 0770 system system encryption=None
mkdir /data/user 0711 system system encryption=None
mkdir /data/user_de 0711 system system encryption=None
mkdir /data/vendor_ce 0771 root root encryption=None
mkdir /data/vendor_de 0771 root root encryption=None
# Set the casefold flag on /data/media. For upgrades, a restorecon can be
# needed first to relabel the directory from media_rw_data_file.
restorecon /data/media
exec - media_rw media_rw -- /system/bin/chattr +F /data/media
# A tmpfs directory, which will contain all apps CE DE data directory that
# bind mount from the original source.
mount tmpfs tmpfs /data_mirror nodev noexec nosuid mode=0700,uid=0,gid=1000
restorecon /data_mirror
mkdir /data_mirror/data_ce 0700 root root
mkdir /data_mirror/data_de 0700 root root
# Create CE and DE data directory for default volume
mkdir /data_mirror/data_ce/null 0700 root root
mkdir /data_mirror/data_de/null 0700 root root
# Bind mount CE and DE data directory to mirror's default volume directory.
# The 'slave' option (MS_SLAVE) is needed to cause the later bind mount of
# /data/data onto /data/user/0 to propagate to /data_mirror/data_ce/null/0.
mount none /data/user /data_mirror/data_ce/null bind rec slave
mount none /data/user_de /data_mirror/data_de/null bind rec
# Create mirror directory for jit profiles
mkdir /data_mirror/cur_profiles 0700 root root
mount none /data/misc/profiles/cur /data_mirror/cur_profiles bind rec
mkdir /data_mirror/ref_profiles 0700 root root
mount none /data/misc/profiles/ref /data_mirror/ref_profiles bind rec
mkdir /data/cache 0770 system cache encryption=Require
mkdir /data/cache/recovery 0770 system cache
mkdir /data/cache/backup_stage 0700 system system
mkdir /data/cache/backup 0700 system system
# Delete these if need be, per b/139193659
mkdir /data/rollback 0700 system system encryption=DeleteIfNecessary
mkdir /data/rollback-observer 0700 system system encryption=DeleteIfNecessary
mkdir /data/rollback-history 0700 system system encryption=DeleteIfNecessary
# Create root dir for Incremental Service
mkdir /data/incremental 0771 system system encryption=Require
# Create directories for statsd
mkdir /data/misc/stats-active-metric/ 0770 statsd system
mkdir /data/misc/stats-data/ 0770 statsd system
mkdir /data/misc/stats-metadata/ 0770 statsd system
mkdir /data/misc/stats-service/ 0770 statsd system
mkdir /data/misc/train-info/ 0770 statsd system
# Wait for apexd to finish activating APEXes before starting more processes.
wait_for_prop apexd.status activated
perform_apex_config
# Create directories for boot animation.
mkdir /data/bootanim 0755 system system encryption=DeleteIfNecessary
exec_start derive_sdk
init_user0
# Set SELinux security contexts on upgrade or policy update.
restorecon --recursive --skip-ce /data
# Define and export *CLASSPATH variables
# Must start before 'odsign', as odsign depends on *CLASSPATH variables
exec_start derive_classpath
load_exports /data/system/environ/classpath
# Start the on-device signing daemon, and wait for it to finish, to ensure
# ART artifacts are generated if needed.
# Must start after 'derive_classpath' to have *CLASSPATH variables set.
start odsign
# Before we can lock keys and proceed to the next boot stage, wait for
# odsign to be done with the key
wait_for_prop odsign.key.done 1
# Lock the fs-verity keyring, so no more keys can be added
exec -- /system/bin/fsverity_init --lock
# Bump the boot level to 1000000000; this prevents further on-device signing.
# This is a special value that shuts down the thread which listens for
# further updates.
setprop keystore.boot_level 1000000000
# Allow apexd to snapshot and restore device encrypted apex data in the case
# of a rollback. This should be done immediately after DE_user data keys
# are loaded. APEXes should not access this data until this has been
# completed and apexd.status becomes "ready".
exec_start apexd-snapshotde
# sys.memfd_use set to false by default, which keeps it disabled
# until it is confirmed that apps and vendor processes don't make
# IOCTLs on ashmem fds any more.
setprop sys.use_memfd false
# Set fscklog permission
chown root system /dev/fscklogs/log
chmod 0770 /dev/fscklogs/log
# Enable FUSE by default
setprop persist.sys.fuse true
# It is recommended to put unnecessary data/ initialization from post-fs-data
# to start-zygote in device's init.rc to unblock zygote start.
on zygote-start && property:ro.crypto.state=unencrypted
wait_for_prop odsign.verification.done 1
# A/B update verifier that marks a successful boot.
exec_start update_verifier_nonencrypted
start statsd
start netd
start zygote
start zygote_secondary
on zygote-start && property:ro.crypto.state=unsupported
wait_for_prop odsign.verification.done 1
# A/B update verifier that marks a successful boot.
exec_start update_verifier_nonencrypted
start statsd
start netd
start zygote
start zygote_secondary
on zygote-start && property:ro.crypto.state=encrypted && property:ro.crypto.type=file
wait_for_prop odsign.verification.done 1
# A/B update verifier that marks a successful boot.
exec_start update_verifier_nonencrypted
start statsd
start netd
start zygote
start zygote_secondary
on boot && property:ro.config.low_ram=true
# Tweak background writeout
write /proc/sys/vm/dirty_expire_centisecs 200
write /proc/sys/vm/dirty_background_ratio 5
on boot
# basic network init
ifup lo
hostname localhost
domainname localdomain
# IPsec SA default expiration length
write /proc/sys/net/core/xfrm_acq_expires 3600
# Memory management. Basic kernel parameters, and allow the high
# level system server to be able to adjust the kernel OOM driver
# parameters to match how it is managing things.
write /proc/sys/vm/overcommit_memory 1
write /proc/sys/vm/min_free_order_shift 4
# System server manages zram writeback
chown root system /sys/block/zram0/idle
chmod 0664 /sys/block/zram0/idle
chown root system /sys/block/zram0/writeback
chmod 0664 /sys/block/zram0/writeback
# to access F2FS sysfs on dm-<num> directly
mkdir /dev/sys/fs/by-name 0755 system system
symlink /sys/fs/f2fs/${dev.mnt.dev.data} /dev/sys/fs/by-name/userdata
# dev.mnt.dev.data=dm-N, dev.mnt.blk.data=sdaN/mmcblk0pN, dev.mnt.rootdisk.data=sda/mmcblk0, or
# dev.mnt.dev.data=sdaN/mmcblk0pN, dev.mnt.blk.data=sdaN/mmcblk0pN, dev.mnt.rootdisk.data=sda/mmcblk0
mkdir /dev/sys/block/by-name 0755 system system
symlink /sys/class/block/${dev.mnt.dev.data} /dev/sys/block/by-name/userdata
symlink /sys/class/block/${dev.mnt.rootdisk.data} /dev/sys/block/by-name/rootdisk
# F2FS tuning. Set cp_interval larger than dirty_expire_centisecs, 30 secs,
# to avoid power consumption when system becomes mostly idle. Be careful
# to make it too large, since it may bring userdata loss, if they
# are not aware of using fsync()/sync() to prepare sudden power-cut.
write /dev/sys/fs/by-name/userdata/cp_interval 200
write /dev/sys/fs/by-name/userdata/gc_urgent_sleep_time 50
write /dev/sys/fs/by-name/userdata/iostat_enable 1
# set readahead multiplier for POSIX_FADV_SEQUENTIAL files
write /dev/sys/fs/by-name/userdata/seq_file_ra_mul 16
# limit discard size to 128MB in order to avoid long IO latency
# for filesystem tuning first (dm or sda)
# this requires enabling selinux entry for sda/mmcblk0 in vendor side
write /dev/sys/block/by-name/userdata/queue/discard_max_bytes 134217728
write /dev/sys/block/by-name/rootdisk/queue/discard_max_bytes 134217728
# Permissions for System Server and daemons.
chown system system /sys/power/autosleep
chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_rate
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_rate
chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_slack
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_slack
chown system system /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
chown system system /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
chown system system /sys/devices/system/cpu/cpufreq/interactive/target_loads
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/target_loads
chown system system /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load
chown system system /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
chown system system /sys/devices/system/cpu/cpufreq/interactive/boost
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost
chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse
chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost
chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
chown system system /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
chown system system /sys/class/leds/vibrator/trigger
chown system system /sys/class/leds/vibrator/activate
chown system system /sys/class/leds/vibrator/brightness
chown system system /sys/class/leds/vibrator/duration
chown system system /sys/class/leds/vibrator/state
chown system system /sys/class/timed_output/vibrator/enable
chown system system /sys/class/leds/keyboard-backlight/brightness
chown system system /sys/class/leds/lcd-backlight/brightness
chown system system /sys/class/leds/button-backlight/brightness
chown system system /sys/class/leds/jogball-backlight/brightness
chown system system /sys/class/leds/red/brightness
chown system system /sys/class/leds/green/brightness
chown system system /sys/class/leds/blue/brightness
chown system system /sys/class/leds/red/device/grpfreq
chown system system /sys/class/leds/red/device/grppwm
chown system system /sys/class/leds/red/device/blink
chown system system /sys/module/sco/parameters/disable_esco
chown system system /sys/kernel/ipv4/tcp_wmem_min
chown system system /sys/kernel/ipv4/tcp_wmem_def
chown system system /sys/kernel/ipv4/tcp_wmem_max
chown system system /sys/kernel/ipv4/tcp_rmem_min
chown system system /sys/kernel/ipv4/tcp_rmem_def
chown system system /sys/kernel/ipv4/tcp_rmem_max
chown root radio /proc/cmdline
chown root system /proc/bootconfig
# Define default initial receive window size in segments.
setprop net.tcp_def_init_rwnd 60
# Update dm-verity state and set partition.*.verified properties.
verity_update_state
# Start standard binderized HAL daemons
class_start hal
class_start core
on nonencrypted
class_start main
class_start late_start
on property:sys.init_log_level=*
loglevel ${sys.init_log_level}
on charger
class_start charger
on property:sys.boot_completed=1
bootchart stop
# Setup per_boot directory so other .rc could start to use it on boot_completed
exec - system system -- /bin/rm -rf /data/per_boot
mkdir /data/per_boot 0700 system system encryption=Require key=per_boot_ref
# system server cannot write to /proc/sys files,
# and chown/chmod does not work for /proc/sys/ entries.
# So proxy writes through init.
on property:sys.sysctl.extra_free_kbytes=*
exec -- /system/bin/extra_free_kbytes.sh ${sys.sysctl.extra_free_kbytes}
# Allow users to drop caches
on property:perf.drop_caches=3
write /proc/sys/vm/drop_caches 3
setprop perf.drop_caches 0
# "tcp_default_init_rwnd" Is too long!
on property:net.tcp_def_init_rwnd=*
write /proc/sys/net/ipv4/tcp_default_init_rwnd ${net.tcp_def_init_rwnd}
# perf_event_open syscall security:
# Newer kernels have the ability to control the use of the syscall via SELinux
# hooks. init tests for this, and sets sys_init.perf_lsm_hooks to 1 if the
# kernel has the hooks. In this case, the system-wide perf_event_paranoid
# sysctl is set to -1 (unrestricted use), and the SELinux policy is used for
# controlling access. On older kernels, the paranoid value is the only means of
# controlling access. It is normally 3 (allow only root), but the shell user
# can lower it to 1 (allowing thread-scoped pofiling) via security.perf_harden.
on property:sys.init.perf_lsm_hooks=1
write /proc/sys/kernel/perf_event_paranoid -1
on property:security.perf_harden=0 && property:sys.init.perf_lsm_hooks=""
write /proc/sys/kernel/perf_event_paranoid 1
on property:security.perf_harden=1 && property:sys.init.perf_lsm_hooks=""
write /proc/sys/kernel/perf_event_paranoid 3
# Additionally, simpleperf profiler uses debug.* and security.perf_harden
# sysprops to be able to indirectly set these sysctls.
on property:security.perf_harden=0
write /proc/sys/kernel/perf_event_max_sample_rate ${debug.perf_event_max_sample_rate:-100000}
write /proc/sys/kernel/perf_cpu_time_max_percent ${debug.perf_cpu_time_max_percent:-25}
write /proc/sys/kernel/perf_event_mlock_kb ${debug.perf_event_mlock_kb:-516}
# Default values.
on property:security.perf_harden=1
write /proc/sys/kernel/perf_event_max_sample_rate 100000
write /proc/sys/kernel/perf_cpu_time_max_percent 25
write /proc/sys/kernel/perf_event_mlock_kb 516
# This property can be set only on userdebug/eng. See neverallow rule in
# /system/sepolicy/private/property.te .
on property:security.lower_kptr_restrict=1
write /proc/sys/kernel/kptr_restrict 0
on property:security.lower_kptr_restrict=0
write /proc/sys/kernel/kptr_restrict 2
# on shutdown
# In device's init.rc, this trigger can be used to do device-specific actions
# before shutdown. e.g disable watchdog and mask error handling
## Daemon processes to be run by init.
##
service ueventd /system/bin/ueventd
class core
critical
seclabel u:r:ueventd:s0
shutdown critical
service console /system/bin/sh
class core
console
disabled
user shell
group shell log readproc
seclabel u:r:shell:s0
setenv HOSTNAME console
on property:ro.debuggable=1
# Give writes to anyone for the trace folder on debug builds.
# The folder is used to store method traces.
chmod 0773 /data/misc/trace
# Give reads to anyone for the window trace folder on debug builds.
chmod 0775 /data/misc/wmtrace
# Give reads to anyone for the accessibility trace folder on debug builds.
chmod 0775 /data/misc/a11ytrace
on init && property:ro.debuggable=1
start console
on userspace-reboot-requested
# TODO(b/135984674): reset all necessary properties here.
setprop sys.boot_completed ""
setprop dev.bootcomplete ""
setprop sys.init.updatable_crashing ""
setprop sys.init.updatable_crashing_process_name ""
setprop sys.user.0.ce_available ""
setprop sys.shutdown.requested ""
setprop service.bootanim.exit ""
setprop service.bootanim.progress ""
on userspace-reboot-fs-remount
# Make sure that vold is running.
# This is mostly a precaution measure in case vold for some reason wasn't running when
# userspace reboot was initiated.
start vold
exec - system system -- /system/bin/vdc checkpoint resetCheckpoint
exec - system system -- /system/bin/vdc checkpoint markBootAttempt
# Unmount /data_mirror mounts in the reverse order of corresponding mounts.
umount /data_mirror/data_ce/null/0
umount /data_mirror/data_ce/null
umount /data_mirror/data_de/null
umount /data_mirror/cur_profiles
umount /data_mirror/ref_profiles
umount /data_mirror
remount_userdata
start bootanim
on userspace-reboot-resume
trigger userspace-reboot-fs-remount
trigger post-fs-data
trigger apex-ready
trigger zygote-start
trigger early-boot
trigger boot
on property:sys.boot_completed=1 && property:sys.init.userspace_reboot.in_progress=1
setprop sys.init.userspace_reboot.in_progress ""
# Multi-Gen LRU Experiment
on property:persist.device_config.mglru_native.lru_gen_config=none
write /sys/kernel/mm/lru_gen/enabled 0
on property:persist.device_config.mglru_native.lru_gen_config=core
write /sys/kernel/mm/lru_gen/enabled 1
on property:persist.device_config.mglru_native.lru_gen_config=core_and_mm_walk
write /sys/kernel/mm/lru_gen/enabled 3
on property:persist.device_config.mglru_native.lru_gen_config=core_and_nonleaf_young
write /sys/kernel/mm/lru_gen/enabled 5
on property:persist.device_config.mglru_native.lru_gen_config=all
write /sys/kernel/mm/lru_gen/enabled 7
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