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HuskyDG / magic_overlayfs

Make system partition become read-write (it is also possible without Magisk)
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/etc still cant RW #43

Closed zerofo closed 1 year ago

zerofo commented 1 year ago 
/ # mount -o rw,remount /system
/ # touch /system/test
/ # ls /system/test
/system/test
/ # touch /system/etc/test
touch: cannot touch '/system/etc/test': Directory not empty
/ # touch /system/etc/test1
touch: cannot touch '/system/etc/test1': Directory not empty
/ # touch /system/etc/test2
touch: cannot touch '/system/etc/test2': Directory not empty
/ # ls /system/etc/test
ls: cannot access '/system/etc/test': No such file or directory
/ # mount |grep system |grep overlay
overlay on /system/app type overlay (ro,relatime,seclabel,lowerdir=/mnt/vendor/mi_ext/system/app/:/product/pangu/system/app/:/system/app)
overlay on /system/priv-app type overlay (ro,relatime,seclabel,lowerdir=/mnt/vendor/mi_ext/system/priv-app/:/product/pangu/system/priv-app/:/system/priv-app)
overlay on /system/framework type overlay (ro,relatime,seclabel,lowerdir=/product/pangu/system/framework/:/system/framework)
overlay on /system/etc/sysconfig type overlay (ro,relatime,seclabel,lowerdir=/mnt/vendor/mi_ext/system/etc/sysconfig/:/system/etc/sysconfig)
overlay on /system/etc/permissions type overlay (ro,relatime,seclabel,lowerdir=/mnt/vendor/mi_ext/system/etc/permissions/:/product/pangu/system/etc/permissions/:/system/etc/permissions)
overlay on /system type overlay (rw,relatime,seclabel,lowerdir=/dev/mount_loop/9/system:/dev/mount_loop/7/system:/dev/mount_loop/5/system:/dev/mount_loop/2/system:/dev/mount_loop/13/system:/dev/mount_loop/1/system:/dev/mount_loop/0/system:/system,upperdir=/dev/mount_overlayfs/upper/system,workdir=/dev/mount_overlayfs/worker/65027/55)
overlay on /system/app type overlay (rw,relatime,seclabel,lowerdir=/dev/mount_loop/1/system/app:/system/app,upperdir=/dev/mount_overlayfs/upper/system/app,workdir=/dev/mount_overlayfs/worker/74/2)
overlay on /system/priv-app type overlay (rw,relatime,seclabel,lowerdir=/system/priv-app,upperdir=/dev/mount_overlayfs/upper/system/priv-app,workdir=/dev/mount_overlayfs/worker/79/2)
overlay on /system/framework type overlay (ro,relatime,seclabel,lowerdir=/system/framework,upperdir=/dev/mount_overlayfs/upper/system/framework,workdir=/dev/mount_overlayfs/worker/84/2)
overlay on /system/etc/sysconfig type overlay (ro,relatime,seclabel,lowerdir=/system/etc/sysconfig,upperdir=/dev/mount_overlayfs/upper/system/etc/sysconfig,workdir=/dev/mount_overlayfs/worker/88/2)
overlay on /system/etc/permissions type overlay (ro,relatime,seclabel,lowerdir=/system/etc/permissions,upperdir=/dev/mount_overlayfs/upper/system/etc/permissions,workdir=/dev/mount_overlayfs/worker/92/2)
overlay on /vendor/vm-system type overlay (ro,nosuid,nodev,relatime,seclabel,lowerdir=/vendor/vm-system,upperdir=/dev/mount_overlayfs/upper/vendor/vm-system,workdir=/dev/mount_overlayfs/worker/66331/2)
overlay on /system_ext type overlay (ro,relatime,seclabel,lowerdir=/dev/mount_loop/0/system_ext:/system_ext,upperdir=/dev/mount_overlayfs/upper/system_ext,workdir=/dev/mount_overlayfs/worker/65028/2)

kernelsu 0.6.7 magic_overlayfs: 3.2.1

zerofo commented 1 year ago

follow https://github.com/HuskyDG/magic_overlayfs#change-overlayfs-mode. OVERLAY_MODE=1 modified mode.sh all env to true and etc can rw,