fix lot (#518)

* refact: use feature subsystem

* use 64bit feature

* fix

* add fixme

* add feature max to get_info

* use 32bit feature id

* allow root to get/set feature

* more clean perm_check functions

* fix

* add feature command to ksud

kernel: do not expose perm checker

* fix security_task_fix_setuid_handler_pre

* add android16-6.12 ci

* manager: add kernel_umount switch

Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

* manager: Reinstate the LKM selection function

* kernel: add name and print command value

- Optimise sulog log display

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

* fix

* ksud: clippy

---------

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>
Co-authored-by: weishu <twsxtd@gmail.com>

manager/app/src/main/res/values/strings.xml

@@ -166,6 +166,8 @@
     <string name="su_not_allowed">Granting superuser to %s is not allowed</string>
     <string name="settings_disable_su">Disable su compatibility</string>
     <string name="settings_disable_su_summary">Temporarily disable any applications from obtaining root privileges via the ⁠su command (Existing root processes will not be affected)</string>
+    <string name="settings_disable_kernel_umount">Disable kernel umount</string>
+    <string name="settings_disable_kernel_umount_summary">Temporarily disable kernel-level umount behavior controlled by KernelSU.</string>
     <string name="module_install_multiple_confirm_with_names">Sure you want to install the following %1$d modules? \n\n%2$s</string>
     <string name="more_settings">More settings</string>
     <string name="selinux">SELinux</string>