From 9438de2001af5287d653a81c1360d1e5106c7df4 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Wed, 10 Jun 2009 09:11:28 -0700
Subject: [PATCH] ActivityManager: Ensure that we clear the calling process
 identity around calls to Process.setProcessGroup().

Signed-off-by: San Mehat <san@google.com>
---
 .../java/com/android/server/am/ActivityManagerService.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index fb697056b82a9..14dcfd5ab97c8 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -12190,11 +12190,15 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                         "Setting process group of " + app.processName
                         + " to " + app.curSchedGroup);
                 if (true) {
+                    long oldId = Binder.clearCallingIdentity();
                     try {
                         Process.setProcessGroup(app.pid, app.curSchedGroup);
                     } catch (Exception e) {
                         Log.w(TAG, "Failed setting process group of " + app.pid
                                 + " to " + app.curSchedGroup);
+                        e.printStackTrace();
+                    } finally {
+                        Binder.restoreCallingIdentity(oldId);
                     }
                 }
                 if (false) {