diff --git a/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java b/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
index f7b3222..db7f68e 100644
--- a/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
+++ b/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
@@ -26,8 +26,11 @@
 import android.content.pm.ComponentInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
+import android.os.Binder;
 import android.provider.Settings;
 import android.service.notification.ConditionProviderService;
+import android.util.Log;
+import android.util.Slog;
 
 import androidx.fragment.app.Fragment;
 import androidx.preference.Preference;
@@ -36,6 +39,7 @@
 import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.Map;
+import java.util.Objects;
 
 abstract public class AbstractZenModeAutomaticRulePreferenceController extends
         AbstractZenModePreferenceController implements PreferenceControllerMixin {
@@ -92,7 +96,7 @@
                 ? ci.metaData.getString(ConditionProviderService.META_DATA_RULE_TYPE)
                 : ci.metaData.getString(NotificationManager.META_DATA_AUTOMATIC_RULE_TYPE);
 
-        final ComponentName configurationActivity = getSettingsActivity(null, ci);
+        final ComponentName configurationActivity = getSettingsActivity(pm, null, ci);
         if (ruleType != null && !ruleType.trim().isEmpty() && configurationActivity != null) {
             final ZenRuleInfo ri = new ZenRuleInfo();
             ri.serviceComponent =
@@ -110,28 +114,44 @@
         return null;
     }
 
-    protected static ComponentName getSettingsActivity(AutomaticZenRule rule, ComponentInfo ci) {
+    protected static ComponentName getSettingsActivity(PackageManager pm, AutomaticZenRule rule,
+            ComponentInfo ci) {
+        String owner = rule != null ? rule.getPackageName() : ci.packageName;
+        ComponentName settingsActivity = null;
         // prefer config activity on the rule itself; fallback to manifest definition
         if (rule != null && rule.getConfigurationActivity() != null) {
-            return rule.getConfigurationActivity();
-        }
-        if (ci == null) {
-            return null;
-        }
-        // new activity backed rule
-        if (ci instanceof ActivityInfo) {
-            return new ComponentName(ci.packageName, ci.name);
-        }
-        // old service backed rule
-        if (ci.metaData != null) {
-            final String configurationActivity = ci.metaData.getString(
-                    ConditionProviderService.META_DATA_CONFIGURATION_ACTIVITY);
-            if (configurationActivity != null) {
-                return ComponentName.unflattenFromString(configurationActivity);
+            settingsActivity = rule.getConfigurationActivity();
+        } else {
+            if (ci == null) {
+                settingsActivity = null;
+            } else if (ci instanceof ActivityInfo) {
+                // new activity backed rule
+                settingsActivity = new ComponentName(ci.packageName, ci.name);
+            } else if (ci.metaData != null) {
+                // old service backed rule
+                final String configurationActivity = ci.metaData.getString(
+                        ConditionProviderService.META_DATA_CONFIGURATION_ACTIVITY);
+                if (configurationActivity != null) {
+                    settingsActivity = ComponentName.unflattenFromString(configurationActivity);
+                }
             }
         }
-
-        return null;
+        if (settingsActivity == null || owner == null) {
+            return settingsActivity;
+        }
+        try {
+            int ownerUid = pm.getPackageUid(owner, 0);
+            int configActivityOwnerUid = pm.getPackageUid(settingsActivity.getPackageName(), 0);
+            if (ownerUid == configActivityOwnerUid) {
+                return settingsActivity;
+            } else {
+                Log.w(TAG, "Config activity not in owner package for " + rule.getName());
+                return null;
+            }
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.e(TAG, "Failed to find config activity");
+            return null;
+        }
     }
 
     public class RuleNameChangeListener implements ZenRuleNameDialog.PositiveClickListener {
diff --git a/src/com/android/settings/notification/ZenRulePreference.java b/src/com/android/settings/notification/ZenRulePreference.java
index fb6e92a..7d3dae0 100644
--- a/src/com/android/settings/notification/ZenRulePreference.java
+++ b/src/com/android/settings/notification/ZenRulePreference.java
@@ -168,7 +168,7 @@
                 : isEvent ? ZenModeEventRuleSettings.ACTION : "";
         ComponentInfo si = mServiceListing.findService(rule.getOwner());
         ComponentName settingsActivity = AbstractZenModeAutomaticRulePreferenceController.
-                getSettingsActivity(rule, si);
+                getSettingsActivity(mPm, rule, si);
         mIntent = AbstractZenModeAutomaticRulePreferenceController.getRuleIntent(action,
                 settingsActivity, mId);
         if (mIntent.resolveActivity(mPm) == null) {
diff --git a/tests/robotests/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceControllerTest.java
new file mode 100644
index 0000000..3f48260
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceControllerTest.java
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.notification;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.app.AutomaticZenRule;
+import android.app.NotificationManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ComponentInfo;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.service.notification.ConditionProviderService;
+import android.service.notification.ZenPolicy;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class AbstractZenModeAutomaticRulePreferenceControllerTest {
+
+    @Mock
+    private PackageManager mPm;
+    private Context mContext;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+    }
+
+    @Test
+    public void testGetSettingsActivity_configActivity() throws Exception {
+        AutomaticZenRule rule = new AutomaticZenRule("name", null,
+                new ComponentName(mContext.getPackageName(), "test"),  Uri.EMPTY,
+                new ZenPolicy(), NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+        rule.setPackageName(mContext.getPackageName());
+
+        when(mPm.getPackageUid(null, 0)).thenReturn(-1);
+        when(mPm.getPackageUid(mContext.getPackageName(), 0)).thenReturn(1);
+
+        ComponentName actual = AbstractZenModeAutomaticRulePreferenceController
+                .getSettingsActivity(mPm, rule, null);
+
+        assertThat(actual).isEqualTo(new ComponentName(mContext.getPackageName(), "test"));
+    }
+
+    @Test
+    public void testGetSettingsActivity_configActivity_wrongPackage() throws Exception {
+        AutomaticZenRule rule = new AutomaticZenRule("name", null,
+                new ComponentName("another", "test"),  Uri.EMPTY,
+                new ZenPolicy(), NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+        rule.setPackageName(mContext.getPackageName());
+
+        when(mPm.getPackageUid(null, 0)).thenReturn(-1);
+        when(mPm.getPackageUid(mContext.getPackageName(), 0)).thenReturn(1);
+
+        ComponentName actual = AbstractZenModeAutomaticRulePreferenceController
+                .getSettingsActivity(mPm, rule, null);
+
+        assertThat(actual).isNull();
+    }
+
+    @Test
+    public void testGetSettingsActivity_configActivity_unspecifiedOwner() throws Exception {
+        AutomaticZenRule rule = new AutomaticZenRule("name", null,
+                new ComponentName("another", "test"),  Uri.EMPTY,
+                new ZenPolicy(), NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+
+        when(mPm.getPackageUid(null, 0)).thenReturn(-1);
+        when(mPm.getPackageUid(mContext.getPackageName(), 0)).thenReturn(1);
+
+        ComponentName actual = AbstractZenModeAutomaticRulePreferenceController
+                .getSettingsActivity(mPm, rule, null);
+
+        assertThat(actual).isEqualTo(new ComponentName("another", "test"));
+    }
+
+    @Test
+    public void testGetSettingsActivity_cps() throws Exception {
+        AutomaticZenRule rule = new AutomaticZenRule("name",
+                new ComponentName(mContext.getPackageName(), "service"), null, Uri.EMPTY,
+                new ZenPolicy(), NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+        rule.setPackageName(mContext.getPackageName());
+
+        ComponentInfo ci = new ComponentInfo();
+        ci.packageName = mContext.getPackageName();
+        ci.metaData = new Bundle();
+        ci.metaData.putString(ConditionProviderService.META_DATA_CONFIGURATION_ACTIVITY,
+                ComponentName.flattenToShortString(
+                        new ComponentName(mContext.getPackageName(), "activity")));
+
+        when(mPm.getPackageUid(null, 0)).thenReturn(-1);
+        when(mPm.getPackageUid(mContext.getPackageName(), 0)).thenReturn(1);
+
+        ComponentName actual = AbstractZenModeAutomaticRulePreferenceController
+                .getSettingsActivity(mPm, rule, ci);
+
+        assertThat(actual).isEqualTo(new ComponentName(mContext.getPackageName(), "activity"));
+    }
+
+    @Test
+    public void testGetSettingsActivity_cps_wrongPackage() throws Exception {
+        AutomaticZenRule rule = new AutomaticZenRule("name",
+                new ComponentName(mContext.getPackageName(), "service"), null, Uri.EMPTY,
+                new ZenPolicy(), NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+        rule.setPackageName("other");
+
+        ComponentInfo ci = new ComponentInfo();
+        ci.packageName = mContext.getPackageName();
+        ci.metaData = new Bundle();
+        ci.metaData.putString(ConditionProviderService.META_DATA_CONFIGURATION_ACTIVITY,
+                ComponentName.flattenToShortString(
+                        new ComponentName(mContext.getPackageName(), "activity")));
+
+        when(mPm.getPackageUid(null, 0)).thenReturn(-1);
+        when(mPm.getPackageUid(mContext.getPackageName(), 0)).thenReturn(1);
+
+        ComponentName actual = AbstractZenModeAutomaticRulePreferenceController
+                .getSettingsActivity(mPm, rule, ci);
+
+        assertThat(actual).isNull();
+    }
+
+    @Test
+    public void testGetSettingsActivity_cps_unspecifiedPackage() throws Exception {
+        AutomaticZenRule rule = new AutomaticZenRule("name",
+                new ComponentName(mContext.getPackageName(), "service"), null, Uri.EMPTY,
+                new ZenPolicy(), NotificationManager.INTERRUPTION_FILTER_PRIORITY, true);
+
+        ComponentInfo ci = new ComponentInfo();
+        ci.packageName = mContext.getPackageName();
+        ci.metaData = new Bundle();
+        ci.metaData.putString(ConditionProviderService.META_DATA_CONFIGURATION_ACTIVITY,
+                ComponentName.flattenToShortString(
+                        new ComponentName(mContext.getPackageName(), "activity")));
+
+        when(mPm.getPackageUid(null, 0)).thenReturn(-1);
+        when(mPm.getPackageUid(mContext.getPackageName(), 0)).thenReturn(1);
+
+        ComponentName actual = AbstractZenModeAutomaticRulePreferenceController
+                .getSettingsActivity(mPm, rule, ci);
+
+        assertThat(actual).isEqualTo(new ComponentName(mContext.getPackageName(), "activity"));
+    }
+}
\ No newline at end of file