Allow microdroid_manager to write serial device
A serial device is used to pass failure reason to host.
Bug: 220071963
Test: atest MicrodroidTests
Change-Id: I085e902b4f0a79d3c8d2cd5c737ad169caac3659
diff --git a/microdroid/system/private/microdroid_manager.te b/microdroid/system/private/microdroid_manager.te
index 432ab13..a8eba6c 100644
--- a/microdroid/system/private/microdroid_manager.te
+++ b/microdroid/system/private/microdroid_manager.te
@@ -79,6 +79,9 @@
# that is different from what is recorded in the instance.img file.
allow microdroid_manager proc_bootconfig:file r_file_perms;
+# Allow microdroid_manager to read/write failure serial device
+allow microdroid_manager serial_device:chr_file w_file_perms;
+
# Allow microdroid_manager to handle extra_apks
allow microdroid_manager extra_apk_file:dir create_dir_perms;