mount /apex during first_stage init am: 4ba548d845 am: 854c5bc218

am: 5675349df0

Change-Id: Ic97ed52ae158225945542bc810a4ac5295c05f39

init/first_stage_init.cpp

@@ -155,6 +155,10 @@ int FirstStageMain(int argc, char** argv) {
     // part of the product partition, e.g. because they are mounted read-write.
     CHECKCALL(mkdir("/mnt/product", 0755));
 
+    // /apex is used to mount APEXes
+    CHECKCALL(mount("tmpfs", "/apex", "tmpfs", MS_NOEXEC | MS_NOSUID | MS_NODEV,
+                    "mode=0755,uid=0,gid=0"));
+
 #undef CHECKCALL
 
     // Now that tmpfs is mounted on /dev and we have /dev/kmsg, we can actually

init/selinux.cpp

@@ -459,6 +459,8 @@ void SelinuxRestoreContext() {
 
     selinux_android_restorecon("/dev/block", SELINUX_ANDROID_RESTORECON_RECURSE);
     selinux_android_restorecon("/dev/device-mapper", 0);
+
+    selinux_android_restorecon("/apex", 0);
 }
 
 int SelinuxKlogCallback(int type, const char* fmt, ...) {

rootdir/init.rc

@@ -278,12 +278,6 @@ on init
     write /dev/cpu_variant:${ro.bionic.2nd_arch} ${ro.bionic.2nd_cpu_variant}
     chmod 0444 /dev/cpu_variant:${ro.bionic.2nd_arch}
 
-    # Setup APEX mount point and its security context
-    mount tmpfs tmpfs /apex nodev noexec nosuid
-    chmod 0755 /apex
-    chown root root /apex
-    restorecon /apex
-
     # Start logd before any other services run to ensure we capture all of their logs.
     start logd