diff --git a/private/otapreopt_chroot.te b/private/otapreopt_chroot.te
index 1f69931..9a9fb5f 100644
--- a/private/otapreopt_chroot.te
+++ b/private/otapreopt_chroot.te
@@ -2,3 +2,28 @@
 
 # Allow to transition to postinstall_ota, to run otapreopt in its own sandbox.
 domain_auto_trans(otapreopt_chroot, postinstall_file, postinstall_dexopt)
+
+# Allow otapreopt_chroot to create loop devices with /dev/loop-control.
+allow otapreopt_chroot loop_control_device:chr_file rw_file_perms;
+# Allow otapreopt_chroot to access loop devices.
+allow otapreopt_chroot loop_device:blk_file rw_file_perms;
+allowxperm otapreopt_chroot loop_device:blk_file ioctl {
+  LOOP_GET_STATUS64
+  LOOP_SET_STATUS64
+  LOOP_SET_FD
+  LOOP_SET_BLOCK_SIZE
+  LOOP_SET_DIRECT_IO
+  LOOP_CLR_FD
+  BLKFLSBUF
+};
+
+# Allow otapreopt_chroot to configure read-ahead of loop devices.
+allow otapreopt_chroot sysfs_loop:dir r_dir_perms;
+allow otapreopt_chroot sysfs_loop:file rw_file_perms;
+
+# Allow otapreopt_chroot to mount a tmpfs filesystem in /postinstall/apex.
+allow otapreopt_chroot tmpfs:filesystem mount;
+# Allow otapreopt_chroot to manipulate the tmpfs filesystem mounted in /postinstall/apex.
+allow otapreopt_chroot tmpfs:dir create_dir_perms;
+# Allow otapreopt_chroot to mount APEX packages in /postinstall/apex.
+allow otapreopt_chroot tmpfs:dir mounton;