am f2c01189: zygote: allow replacing /proc/cpuinfo

* commit 'f2c01189':
  zygote: allow replacing /proc/cpuinfo

domain.te

@@ -140,6 +140,7 @@ r_dir_file(domain, sysfs_devices_system_cpu)
 r_dir_file(domain, inotify)
 r_dir_file(domain, cgroup)
 r_dir_file(domain, proc_net)
+allow domain proc_cpuinfo:file r_file_perms;
 
 # debugfs access
 allow domain debugfs:dir r_dir_perms;

file.te

@@ -10,6 +10,7 @@ type proc_security, fs_type;
 type usermodehelper, fs_type, sysfs_type;
 type qtaguid_proc, fs_type, mlstrustedobject;
 type proc_bluetooth_writable, fs_type;
+type proc_cpuinfo, fs_type;
 type proc_net, fs_type;
 type proc_sysrq, fs_type;
 type selinuxfs, fs_type;

genfs_contexts

@@ -4,6 +4,7 @@ genfscon rootfs / u:object_r:rootfs:s0
 genfscon proc / u:object_r:proc:s0
 genfscon proc /net u:object_r:proc_net:s0
 genfscon proc /net/xt_qtaguid/ctrl u:object_r:qtaguid_proc:s0
+genfscon proc /cpuinfo u:object_r:proc_cpuinfo:s0
 genfscon proc /sysrq-trigger u:object_r:proc_sysrq:s0
 genfscon proc /sys/fs/protected_hardlinks u:object_r:proc_security:s0
 genfscon proc /sys/fs/protected_symlinks u:object_r:proc_security:s0

zygote.te

@@ -42,6 +42,10 @@ selinux_check_access(zygote)
 # Read /seapp_contexts and /data/security/seapp_contexts
 security_access_policy(zygote)
 
+# Native bridge functionality requires that zygote replaces
+# /proc/cpuinfo with /system/lib/<ISA>/cpuinfo using a bind mount
+allow zygote proc_cpuinfo:file mounton;
+
 # Setting up /storage/emulated.
 allow zygote rootfs:dir mounton;
 allow zygote sdcard_type:dir { write search setattr create add_name mounton };