diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 211f8d6..f1087cc 100755
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -658,7 +658,14 @@
             return mBuffer.descendingIterator();
         }
 
-        public StatusBarNotification[] getArray(int count, boolean includeSnoozed) {
+        public StatusBarNotification[] getArray(UserManager um, int count, boolean includeSnoozed) {
+            ArrayList<Integer> currentUsers = new ArrayList<>();
+            currentUsers.add(UserHandle.USER_ALL);
+            Binder.withCleanCallingIdentity(() -> {
+                for (int user : um.getProfileIds(ActivityManager.getCurrentUser(), false)) {
+                    currentUsers.add(user);
+                }
+            });
             synchronized (mBufferLock) {
                 if (count == 0) count = mBufferSize;
                 List<StatusBarNotification> a = new ArrayList();
@@ -667,8 +674,10 @@
                 while (iter.hasNext() && i < count) {
                     Pair<StatusBarNotification, Integer> pair = iter.next();
                     if (pair.second != REASON_SNOOZED || includeSnoozed) {
-                        i++;
-                        a.add(pair.first);
+                        if (currentUsers.contains(pair.first.getUserId())) {
+                            i++;
+                            a.add(pair.first);
+                        }
                     }
                 }
                 return a.toArray(new StatusBarNotification[a.size()]);
@@ -4042,22 +4051,32 @@
                     android.Manifest.permission.ACCESS_NOTIFICATIONS,
                     "NotificationManagerService.getActiveNotifications");
 
-            StatusBarNotification[] tmp = null;
+            ArrayList<StatusBarNotification> tmp = new ArrayList<>();
             int uid = Binder.getCallingUid();
 
+            ArrayList<Integer> currentUsers = new ArrayList<>();
+            currentUsers.add(UserHandle.USER_ALL);
+            Binder.withCleanCallingIdentity(() -> {
+                for (int user : mUm.getProfileIds(ActivityManager.getCurrentUser(), false)) {
+                    currentUsers.add(user);
+                }
+            });
+
             // noteOp will check to make sure the callingPkg matches the uid
             if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg,
                     callingAttributionTag, null)
                     == AppOpsManager.MODE_ALLOWED) {
                 synchronized (mNotificationLock) {
-                    tmp = new StatusBarNotification[mNotificationList.size()];
                     final int N = mNotificationList.size();
-                    for (int i=0; i<N; i++) {
-                        tmp[i] = mNotificationList.get(i).getSbn();
+                    for (int i = 0; i < N; i++) {
+                        final StatusBarNotification sbn = mNotificationList.get(i).getSbn();
+                        if (currentUsers.contains(sbn.getUserId())) {
+                            tmp.add(sbn);
+                        }
                     }
                 }
             }
-            return tmp;
+            return tmp.toArray(new StatusBarNotification[tmp.size()]);
         }
 
         /**
@@ -4166,7 +4185,7 @@
                     callingAttributionTag, null)
                     == AppOpsManager.MODE_ALLOWED) {
                 synchronized (mArchive) {
-                    tmp = mArchive.getArray(count, includeSnoozed);
+                    tmp = mArchive.getArray(mUm, count, includeSnoozed);
                 }
             }
             return tmp;
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/ArchiveTest.java b/services/tests/uiservicestests/src/com/android/server/notification/ArchiveTest.java
index 1126e1e..4b6183d 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/ArchiveTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/ArchiveTest.java
@@ -15,16 +15,22 @@
  */
 package com.android.server.notification;
 
+import static android.os.UserHandle.USER_ALL;
 import static android.os.UserHandle.USER_CURRENT;
+import static android.os.UserHandle.USER_NULL;
 import static android.os.UserHandle.USER_SYSTEM;
 import static android.service.notification.NotificationListenerService.REASON_CANCEL;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.when;
 
 import android.app.Notification;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.service.notification.StatusBarNotification;
 import android.test.suitebuilder.annotation.SmallTest;
 
@@ -35,6 +41,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
 import java.util.ArrayList;
@@ -51,6 +58,8 @@
     private static final int SIZE = 5;
 
     private NotificationManagerService.Archive mArchive;
+    @Mock
+    private UserManager mUm;
 
     @Before
     public void setUp() {
@@ -59,6 +68,9 @@
         mArchive = new NotificationManagerService.Archive(SIZE);
         mArchive.updateHistoryEnabled(USER_SYSTEM, true);
         mArchive.updateHistoryEnabled(USER_CURRENT, true);
+
+        when(mUm.getProfileIds(anyInt(), anyBoolean())).thenReturn(
+                new int[] {USER_CURRENT, USER_SYSTEM});
     }
 
     private StatusBarNotification getNotification(String pkg, int id, UserHandle user) {
@@ -70,7 +82,6 @@
                 pkg, pkg, id, null, 0, 0, n, user, null, System.currentTimeMillis());
     }
 
-
     @Test
     public void testRecordAndRead() {
         List<String> expected = new ArrayList<>();
@@ -81,7 +92,7 @@
             mArchive.record(sbn, REASON_CANCEL);
         }
 
-        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(SIZE, true));
+        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(mUm, SIZE, true));
         assertThat(actual).hasSize(expected.size());
         for (StatusBarNotification sbn : actual) {
             assertThat(expected).contains(sbn.getKey());
@@ -89,6 +100,22 @@
     }
 
     @Test
+    public void testCrossUser() {
+        mArchive.record(getNotification("pkg", 1, UserHandle.of(USER_SYSTEM)), REASON_CANCEL);
+        mArchive.record(getNotification("pkg", 2, UserHandle.of(USER_CURRENT)), REASON_CANCEL);
+        mArchive.record(getNotification("pkg", 3, UserHandle.of(USER_ALL)), REASON_CANCEL);
+        mArchive.record(getNotification("pkg", 4, UserHandle.of(USER_NULL)), REASON_CANCEL);
+
+        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(mUm, SIZE, true));
+        assertThat(actual).hasSize(3);
+        for (StatusBarNotification sbn : actual) {
+            if (sbn.getUserId() == USER_NULL) {
+                fail("leaked notification from wrong user");
+            }
+        }
+    }
+
+    @Test
     public void testRecordAndRead_overLimit() {
         List<String> expected = new ArrayList<>();
         for (int i = 0; i < (SIZE * 2); i++) {
@@ -99,7 +126,8 @@
             }
         }
 
-        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray((SIZE * 2), true));
+        List<StatusBarNotification> actual = Arrays.asList(
+                mArchive.getArray(mUm, (SIZE * 2), true));
         assertThat(actual).hasSize(expected.size());
         for (StatusBarNotification sbn : actual) {
             assertThat(expected).contains(sbn.getKey());
@@ -119,7 +147,7 @@
             }
         }
 
-        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(SIZE, true));
+        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(mUm, SIZE, true));
         assertThat(actual).hasSize(expected.size());
         for (StatusBarNotification sbn : actual) {
             assertThat(expected).contains(sbn.getKey());
@@ -140,7 +168,7 @@
         }
         mArchive.updateHistoryEnabled(USER_CURRENT, false);
 
-        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(SIZE, true));
+        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(mUm, SIZE, true));
         assertThat(actual).hasSize(expected.size());
         for (StatusBarNotification sbn : actual) {
             assertThat(expected).contains(sbn.getKey());
@@ -165,7 +193,7 @@
         }
         mArchive.removeChannelNotifications("pkg", USER_CURRENT, "test0");
         mArchive.removeChannelNotifications("pkg", USER_CURRENT, "test" + (SIZE - 2));
-        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(SIZE, true));
+        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(mUm, SIZE, true));
         assertThat(actual).hasSize(expected.size());
         for (StatusBarNotification sbn : actual) {
             assertThat(expected).contains(sbn.getKey());
@@ -215,7 +243,7 @@
             fail("Concurrent modification exception");
         }
 
-        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(SIZE, true));
+        List<StatusBarNotification> actual = Arrays.asList(mArchive.getArray(mUm, SIZE, true));
         assertThat(actual).hasSize(expected.size());
         for (StatusBarNotification sbn : actual) {
             assertThat(expected).contains(sbn.getKey());
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
index e98d077..339a0a8 100755
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
@@ -475,6 +475,7 @@
         when(mPackageManager.getPackagesForUid(mUid)).thenReturn(new String[]{PKG});
         when(mPackageManagerClient.getPackagesForUid(anyInt())).thenReturn(new String[]{PKG});
         mContext.addMockSystemService(AppOpsManager.class, mock(AppOpsManager.class));
+        when(mUm.getProfileIds(0, false)).thenReturn(new int[]{0});
 
         // write to a test file; the system file isn't readable from tests
         mFile = new File(mContext.getCacheDir(), "test.xml");
@@ -6970,8 +6971,9 @@
         waitForIdle();
 
         // A notification exists for the given record
-        StatusBarNotification[] notifsBefore = mBinderService.getActiveNotifications(PKG);
-        assertEquals(1, notifsBefore.length);
+        List<StatusBarNotification> notifsBefore =
+                mBinderService.getAppActiveNotifications(PKG, nr.getSbn().getUserId()).getList();
+        assertEquals(1, notifsBefore.size());
 
         reset(mPackageManager);
 
@@ -8289,4 +8291,33 @@
         assertTrue(captor.getValue().isPackageAllowed(new VersionedPackage("apples", 1001)));
         assertFalse(captor.getValue().isPackageAllowed(new VersionedPackage("test", 1002)));
     }
+
+    @Test
+    public void testGetActiveNotification_filtersUsers() throws Exception {
+        when(mUm.getProfileIds(0, false)).thenReturn(new int[]{0, 10});
+
+        NotificationRecord nr0 =
+                generateNotificationRecord(mTestNotificationChannel, 0);
+        mBinderService.enqueueNotificationWithTag(PKG, PKG, "tag0",
+                nr0.getSbn().getId(), nr0.getSbn().getNotification(), nr0.getSbn().getUserId());
+
+        NotificationRecord nr10 =
+                generateNotificationRecord(mTestNotificationChannel, 10);
+        mBinderService.enqueueNotificationWithTag(PKG, PKG, "tag10",
+                nr10.getSbn().getId(), nr10.getSbn().getNotification(), nr10.getSbn().getUserId());
+
+        NotificationRecord nr11 =
+                generateNotificationRecord(mTestNotificationChannel, 11);
+        mBinderService.enqueueNotificationWithTag(PKG, PKG, "tag11",
+                nr11.getSbn().getId(), nr11.getSbn().getNotification(), nr11.getSbn().getUserId());
+        waitForIdle();
+
+        StatusBarNotification[] notifs = mBinderService.getActiveNotifications(PKG);
+        assertEquals(2, notifs.length);
+        for (StatusBarNotification sbn : notifs) {
+            if (sbn.getUserId() == 11) {
+                fail("leaked data across users");
+            }
+        }
+    }
 }