Merge "Clear caller identity before updating restrictions" into main am: a5d896cd29

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3290150

Change-Id: Id641c247d86db5597d748988fc844bbcb3f50575
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index a6f4c0e..2a3be1e 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -3100,11 +3100,16 @@
         }
 
         synchronized (mUidRulesFirstLock) {
-            final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
-            policy |= oldPolicy;
-            if (oldPolicy != policy) {
-                setUidPolicyUncheckedUL(uid, oldPolicy, policy, true);
-                mLogger.uidPolicyChanged(uid, oldPolicy, policy);
+            final long token = Binder.clearCallingIdentity();
+            try {
+                final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
+                policy |= oldPolicy;
+                if (oldPolicy != policy) {
+                    setUidPolicyUncheckedUL(uid, oldPolicy, policy, true);
+                    mLogger.uidPolicyChanged(uid, oldPolicy, policy);
+                }
+            } finally {
+                Binder.restoreCallingIdentity(token);
             }
         }
     }
@@ -3119,11 +3124,16 @@
         }
 
         synchronized (mUidRulesFirstLock) {
-            final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
-            policy = oldPolicy & ~policy;
-            if (oldPolicy != policy) {
-                setUidPolicyUncheckedUL(uid, oldPolicy, policy, true);
-                mLogger.uidPolicyChanged(uid, oldPolicy, policy);
+            final long token = Binder.clearCallingIdentity();
+            try {
+                final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
+                policy = oldPolicy & ~policy;
+                if (oldPolicy != policy) {
+                    setUidPolicyUncheckedUL(uid, oldPolicy, policy, true);
+                    mLogger.uidPolicyChanged(uid, oldPolicy, policy);
+                }
+            } finally {
+                Binder.restoreCallingIdentity(token);
             }
         }
     }