commit 918ecf244407a3efe59fcea4811d9732d958a6b3
author Shuo Qian <shuoq@google.com> Wed May 06 17:42:00 2020 -0700
committer Anis Assi <anisassi@google.com> Tue Jun 30 16:13:12 2020 -0700
tree b4cfe2ccda88cda6e02816b65be1e37992df4da7
parent 373e6570d95726922fde596214ca929dff98033e

Use FLAG_IMMUTABLE for ServiceStateTracker

Require that the PendingIntent be immutable so that a malicious app is
 not able to hijack and mutate any of the details.

Test: Android builds
Bug: 155094269
Change-Id: If127b73c975b5b3f004500de7f9baa6a7bc00ce4
Merged-In: If127b73c975b5b3f004500de7f9baa6a7bc00ce4
(cherry picked from commit 995d562fb4488d91cad8477e3ca93a7c722da3eb)

src/java/com/android/internal/telephony/ServiceStateTracker.java

diff --git a/src/java/com/android/internal/telephony/ServiceStateTracker.java b/src/java/com/android/internal/telephony/ServiceStateTracker.java
index 9757f94..9c251d1 100755
--- a/src/java/com/android/internal/telephony/ServiceStateTracker.java
+++ b/src/java/com/android/internal/telephony/ServiceStateTracker.java
@@ -2772,7 +2772,8 @@
                     AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
 
                     Intent intent = new Intent(ACTION_RADIO_OFF);
-                    mRadioOffIntent = PendingIntent.getBroadcast(context, 0, intent, 0);
+                    mRadioOffIntent = PendingIntent.getBroadcast(
+                            context, 0, intent, PendingIntent.FLAG_IMMUTABLE);
 
                     mAlarmSwitch = true;
                     if (DBG) log("Alarm setting");