Merge "Restart Bypassable VPNs when changing lockdown mode state"
diff --git a/core/java/android/os/image/DynamicSystemClient.java b/core/java/android/os/image/DynamicSystemClient.java
index d5b0ecc..7cdaecd 100644
--- a/core/java/android/os/image/DynamicSystemClient.java
+++ b/core/java/android/os/image/DynamicSystemClient.java
@@ -238,6 +238,15 @@
      */
     public static final String KEY_ONE_SHOT = "KEY_ONE_SHOT";
 
+    /**
+     * Intent key: Whether to use default strings when showing the dialog that prompts
+     *             user for device credentials.
+     *             False indicates using the custom strings provided by {@code DynamicSystem}.
+     * @hide
+     */
+    public static final String KEY_KEYGUARD_USE_DEFAULT_STRINGS =
+            "KEY_KEYGUARD_USE_DEFAULT_STRINGS";
+
     private static class IncomingHandler extends Handler {
         private final WeakReference<DynamicSystemClient> mWeakClient;
 
diff --git a/core/java/android/security/net/config/ManifestConfigSource.java b/core/java/android/security/net/config/ManifestConfigSource.java
index b885e72..0e20997 100644
--- a/core/java/android/security/net/config/ManifestConfigSource.java
+++ b/core/java/android/security/net/config/ManifestConfigSource.java
@@ -25,7 +25,7 @@
 
 /** @hide */
 public class ManifestConfigSource implements ConfigSource {
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
     private static final String LOG_TAG = "NetworkSecurityConfig";
 
     private final Object mLock = new Object();
diff --git a/core/java/android/view/DisplayEventReceiver.java b/core/java/android/view/DisplayEventReceiver.java
index 3a74b2e..c7f7456 100644
--- a/core/java/android/view/DisplayEventReceiver.java
+++ b/core/java/android/view/DisplayEventReceiver.java
@@ -138,8 +138,12 @@
         mMessageQueue = null;
     }
 
-    static final class VsyncEventData {
-
+    /**
+     * Class to capture all inputs required for syncing events data.
+     *
+     * @hide
+     */
+    public static final class VsyncEventData {
         static final FrameTimeline[] INVALID_FRAME_TIMELINES =
                 {new FrameTimeline(FrameInfo.INVALID_VSYNC_ID, Long.MAX_VALUE, Long.MAX_VALUE)};
 
diff --git a/core/java/com/android/internal/app/OWNERS b/core/java/com/android/internal/app/OWNERS
index a1d571f..52f18fb 100644
--- a/core/java/com/android/internal/app/OWNERS
+++ b/core/java/com/android/internal/app/OWNERS
@@ -1,15 +1,16 @@
 per-file *AppOp* = file:/core/java/android/permission/OWNERS
 per-file UnlaunchableAppActivity.java = file:/core/java/android/app/admin/WorkProfile_OWNERS
 per-file IntentForwarderActivity.java = file:/core/java/android/app/admin/WorkProfile_OWNERS
-per-file *Resolver* = file:/packages/SystemUI/OWNERS
-per-file *Chooser* = file:/packages/SystemUI/OWNERS
-per-file SimpleIconFactory.java = file:/packages/SystemUI/OWNERS
-per-file AbstractMultiProfilePagerAdapter.java = file:/packages/SystemUI/OWNERS
-per-file *EmptyStateProvider.java = file:/packages/SystemUI/OWNERS
 per-file NetInitiatedActivity.java = file:/location/java/android/location/OWNERS
 per-file *BatteryStats* = file:/BATTERY_STATS_OWNERS
 per-file *SoundTrigger* = file:/media/java/android/media/soundtrigger/OWNERS
 
+# Chooser and Resolver.
+per-file *Chooser* = file:chooser/OWNERS
+per-file *Resolver* = file:chooser/OWNERS
+per-file SimpleIconFactory.java = file:chooser/OWNERS
+per-file AbstractMultiProfilePagerAdapter.java = file:chooser/OWNERS
+per-file *EmptyStateProvider.java = file:chooser/OWNERS
 
 # Voice Interaction
 per-file *Assist* = file:/core/java/android/service/voice/OWNERS
diff --git a/core/java/com/android/internal/app/chooser/OWNERS b/core/java/com/android/internal/app/chooser/OWNERS
index a6f1632..0844cfa 100644
--- a/core/java/com/android/internal/app/chooser/OWNERS
+++ b/core/java/com/android/internal/app/chooser/OWNERS
@@ -1 +1,3 @@
-file:/packages/SystemUI/OWNERS
\ No newline at end of file
+# Bug component: 324112
+
+include platform/packages/modules/IntentResolver:/OWNERS
diff --git a/core/java/com/android/internal/os/Zygote.java b/core/java/com/android/internal/os/Zygote.java
index 05cad77..d8aeb51 100644
--- a/core/java/com/android/internal/os/Zygote.java
+++ b/core/java/com/android/internal/os/Zygote.java
@@ -1018,7 +1018,7 @@
      * Applies debugger system properties to the zygote arguments.
      *
      * For eng builds all apps are debuggable. On userdebug and user builds
-     * if persist.debuggable.dalvik.vm.jdwp.enabled is 1 all apps are
+     * if persist.debug.dalvik.vm.jdwp.enabled is 1 all apps are
      * debuggable. Otherwise, the debugger state is specified via the
      * "--enable-jdwp" flag in the spawn request.
      *
diff --git a/packages/DynamicSystemInstallationService/src/com/android/dynsystem/VerificationActivity.java b/packages/DynamicSystemInstallationService/src/com/android/dynsystem/VerificationActivity.java
index 64e42cc..b522729 100644
--- a/packages/DynamicSystemInstallationService/src/com/android/dynsystem/VerificationActivity.java
+++ b/packages/DynamicSystemInstallationService/src/com/android/dynsystem/VerificationActivity.java
@@ -16,6 +16,8 @@
 
 package com.android.dynsystem;
 
+import static android.os.image.DynamicSystemClient.KEY_KEYGUARD_USE_DEFAULT_STRINGS;
+
 import android.app.Activity;
 import android.app.KeyguardManager;
 import android.content.Context;
@@ -47,10 +49,7 @@
         KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
 
         if (km != null) {
-            String title = getString(R.string.keyguard_title);
-            String description = getString(R.string.keyguard_description);
-            Intent intent = km.createConfirmDeviceCredentialIntent(title, description);
-
+            Intent intent = createConfirmDeviceCredentialIntent(km);
             if (intent == null) {
                 Log.d(TAG, "This device is not protected by a password/pin");
                 startInstallationService();
@@ -63,6 +62,23 @@
         }
     }
 
+    private Intent createConfirmDeviceCredentialIntent(KeyguardManager km) {
+        final boolean useDefaultStrings =
+                getIntent().getBooleanExtra(KEY_KEYGUARD_USE_DEFAULT_STRINGS, false);
+        final String title;
+        final String description;
+        if (useDefaultStrings) {
+            // Use default strings provided by keyguard manager
+            title = null;
+            description = null;
+        } else {
+            // Use custom strings provided by DSU
+            title = getString(R.string.keyguard_title);
+            description = getString(R.string.keyguard_description);
+        }
+        return km.createConfirmDeviceCredentialIntent(title, description);
+    }
+
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
diff --git a/packages/SettingsProvider/src/android/provider/settings/OWNERS b/packages/SettingsProvider/src/android/provider/settings/OWNERS
index 0f88811..d901e2c 100644
--- a/packages/SettingsProvider/src/android/provider/settings/OWNERS
+++ b/packages/SettingsProvider/src/android/provider/settings/OWNERS
@@ -1,4 +1,4 @@
 # Bug component: 656484
 
-include platform/frameworks/base:/services/backup/OWNERS
+include platform/frameworks/base:/services/backup/BACKUP_OWNERS
 
diff --git a/packages/SettingsProvider/test/src/android/provider/OWNERS b/packages/SettingsProvider/test/src/android/provider/OWNERS
index 0f88811..db4b27c 100644
--- a/packages/SettingsProvider/test/src/android/provider/OWNERS
+++ b/packages/SettingsProvider/test/src/android/provider/OWNERS
@@ -1,4 +1,3 @@
 # Bug component: 656484
 
-include platform/frameworks/base:/services/backup/OWNERS
-
+include platform/frameworks/base:/services/backup/BACKUP_OWNERS
diff --git a/services/backup/BACKUP_OWNERS b/services/backup/BACKUP_OWNERS
new file mode 100644
index 0000000..f8f4f4f
--- /dev/null
+++ b/services/backup/BACKUP_OWNERS
@@ -0,0 +1,10 @@
+# Bug component: 1193469
+
+jstemmer@google.com
+martinoh@google.com
+millmore@google.com
+niamhfw@google.com
+piee@google.com
+philippov@google.com
+rthakohov@google.com
+sarpm@google.com
\ No newline at end of file
diff --git a/services/backup/OWNERS b/services/backup/OWNERS
index 79709a3..3bd2db1 100644
--- a/services/backup/OWNERS
+++ b/services/backup/OWNERS
@@ -2,12 +2,4 @@
 
 set noparent
 
-bryanmawhinney@google.com
-jstemmer@google.com
-martinoh@google.com
-millmore@google.com
-niamhfw@google.com
-piee@google.com
-philippov@google.com
-rthakohov@google.com
-sarpm@google.com
+include platform/frameworks/base:/services/backup/BACKUP_OWNERS
diff --git a/services/core/java/com/android/server/connectivity/Vpn.java b/services/core/java/com/android/server/connectivity/Vpn.java
index 7ff53e6..71c4aed 100644
--- a/services/core/java/com/android/server/connectivity/Vpn.java
+++ b/services/core/java/com/android/server/connectivity/Vpn.java
@@ -152,6 +152,7 @@
 import com.android.internal.net.VpnProfile;
 import com.android.modules.utils.build.SdkLevel;
 import com.android.net.module.util.BinderUtils;
+import com.android.net.module.util.LinkPropertiesUtils;
 import com.android.net.module.util.NetdUtils;
 import com.android.net.module.util.NetworkStackConstants;
 import com.android.server.DeviceIdleInternal;
@@ -231,6 +232,33 @@
      * used as a repeating interval.
      */
     private static final long[] IKEV2_VPN_RETRY_DELAYS_SEC = {1L, 2L, 5L, 30L, 60L, 300L, 900L};
+
+    /**
+     * A constant to pass to {@link IkeV2VpnRunner#scheduleStartIkeSession(long)} to mean the
+     * delay should be computed automatically with backoff.
+     */
+    private static final long RETRY_DELAY_AUTO_BACKOFF = -1;
+
+    /**
+     * How long to wait before trying to migrate the IKE connection when NetworkCapabilities or
+     * LinkProperties change in a way that may require migration.
+     *
+     * This delay is useful to avoid multiple migration tries (e.g. when a network changes
+     * both its NC and LP at the same time, e.g. when it first connects) and to minimize the
+     * cases where an old list of addresses is detected for the network.
+     *
+     * In practice, the IKE library reads the LinkProperties of the passed network with
+     * the synchronous {@link ConnectivityManager#getLinkProperties(Network)}, which means in
+     * most cases the race would resolve correctly, but this delay increases the chance that
+     * it correctly is.
+     * Further, using the synchronous method in the IKE library is actually dangerous because
+     * it is racy (it races with {@code IkeNetworkCallbackBase#onLost} and it should be fixed
+     * by using callbacks instead. When that happens, the race within IKE is fixed but the
+     * race between that callback and the one in IkeV2VpnRunner becomes a much bigger problem,
+     * and this delay will be necessary to ensure the correct link address list is used.
+     */
+    private static final long IKE_DELAY_ON_NC_LP_CHANGE_MS = 300;
+
     /**
      * Largest profile size allowable for Platform VPNs.
      *
@@ -977,15 +1005,21 @@
         // Allow VpnManager app to temporarily run background services to handle this error.
         // If an app requires anything beyond this grace period, they MUST either declare
         // themselves as a foreground service, or schedule a job/workitem.
-        DeviceIdleInternal idleController = mDeps.getDeviceIdleInternal();
-        idleController.addPowerSaveTempWhitelistApp(Process.myUid(), packageName,
-                VPN_MANAGER_EVENT_ALLOWLIST_DURATION_MS, mUserId, false, REASON_VPN,
-                "VpnManager event");
+        final long token = Binder.clearCallingIdentity();
         try {
-            return mUserIdContext.startService(intent) != null;
-        } catch (RuntimeException e) {
-            Log.e(TAG, "Service of VpnManager app " + intent + " failed to start", e);
-            return false;
+            final DeviceIdleInternal idleController = mDeps.getDeviceIdleInternal();
+            idleController.addPowerSaveTempWhitelistApp(Process.myUid(), packageName,
+                    VPN_MANAGER_EVENT_ALLOWLIST_DURATION_MS, mUserId, false, REASON_VPN,
+                    "VpnManager event");
+
+            try {
+                return mUserIdContext.startService(intent) != null;
+            } catch (RuntimeException e) {
+                Log.e(TAG, "Service of VpnManager app " + intent + " failed to start", e);
+                return false;
+            }
+        } finally {
+            Binder.restoreCallingIdentity(token);
         }
     }
 
@@ -3736,13 +3770,20 @@
             }
         }
 
-        private void scheduleRetryNewIkeSession() {
+        /**
+         * Schedule starting an IKE session.
+         * @param delayMs the delay after which to try starting the session. This should be
+         *                RETRY_DELAY_AUTO_BACKOFF for automatic retries with backoff.
+         */
+        private void scheduleStartIkeSession(final long delayMs) {
             if (mScheduledHandleRetryIkeSessionFuture != null) {
                 Log.d(TAG, "There is a pending retrying task, skip the new retrying task");
                 return;
             }
-            final long retryDelay = mDeps.getNextRetryDelaySeconds(mRetryCount++);
-            Log.d(TAG, "Retry new IKE session after " + retryDelay + " seconds.");
+            final long retryDelayMs = RETRY_DELAY_AUTO_BACKOFF != delayMs
+                    ? delayMs
+                    : mDeps.getNextRetryDelaySeconds(mRetryCount++) * 1000;
+            Log.d(TAG, "Retry new IKE session after " + retryDelayMs + " milliseconds.");
             // If the default network is lost during the retry delay, the mActiveNetwork will be
             // null, and the new IKE session won't be established until there is a new default
             // network bringing up.
@@ -3753,7 +3794,7 @@
                         // Reset mScheduledHandleRetryIkeSessionFuture since it's already run on
                         // executor thread.
                         mScheduledHandleRetryIkeSessionFuture = null;
-                    }, retryDelay, TimeUnit.SECONDS);
+                    }, retryDelayMs, TimeUnit.MILLISECONDS);
         }
 
         /** Called when the NetworkCapabilities of underlying network is changed */
@@ -3762,20 +3803,26 @@
                     + mUnderlyingNetworkCapabilities + " to " + nc);
             final NetworkCapabilities oldNc = mUnderlyingNetworkCapabilities;
             mUnderlyingNetworkCapabilities = nc;
-            if (oldNc == null) {
-                // A new default network is available.
-                startOrMigrateIkeSession(mActiveNetwork);
-            } else if (!nc.getSubscriptionIds().equals(oldNc.getSubscriptionIds())) {
-                // Renew carrierConfig values.
-                maybeMigrateIkeSessionAndUpdateVpnTransportInfo(mActiveNetwork);
+            if (oldNc == null || !nc.getSubscriptionIds().equals(oldNc.getSubscriptionIds())) {
+                // A new default network is available, or the subscription has changed.
+                // Try to migrate the session, or failing that, start a new one.
+                scheduleStartIkeSession(IKE_DELAY_ON_NC_LP_CHANGE_MS);
             }
         }
 
         /** Called when the LinkProperties of underlying network is changed */
         public void onDefaultNetworkLinkPropertiesChanged(@NonNull LinkProperties lp) {
-            mEventChanges.log("[UnderlyingNW] Lp changed from "
-                    + mUnderlyingLinkProperties + " to " + lp);
+            final LinkProperties oldLp = mUnderlyingLinkProperties;
+            mEventChanges.log("[UnderlyingNW] Lp changed from " + oldLp + " to " + lp);
             mUnderlyingLinkProperties = lp;
+            if (oldLp == null || !LinkPropertiesUtils.isIdenticalAllLinkAddresses(oldLp, lp)) {
+                // If some of the link addresses changed, the IKE session may need to be migrated
+                // or restarted, for example if the available IP families have changed or if the
+                // source address used has gone away. See IkeConnectionController#onNetworkSetByUser
+                // and IkeConnectionController#selectAndSetRemoteAddress for where this ends up
+                // re-evaluating the session.
+                scheduleStartIkeSession(IKE_DELAY_ON_NC_LP_CHANGE_MS);
+            }
         }
 
         class VpnConnectivityDiagnosticsCallback
@@ -4053,7 +4100,7 @@
                 markFailedAndDisconnect(exception);
                 return;
             } else {
-                scheduleRetryNewIkeSession();
+                scheduleStartIkeSession(RETRY_DELAY_AUTO_BACKOFF);
             }
 
             // Close all obsolete state, but keep VPN alive incase a usable network comes up.
diff --git a/services/core/java/com/android/server/display/PersistentDataStore.java b/services/core/java/com/android/server/display/PersistentDataStore.java
index 73131a1..06dd500 100644
--- a/services/core/java/com/android/server/display/PersistentDataStore.java
+++ b/services/core/java/com/android/server/display/PersistentDataStore.java
@@ -300,8 +300,11 @@
     }
 
     public boolean setBrightness(DisplayDevice displayDevice, float brightness) {
+        if (displayDevice == null || !displayDevice.hasStableUniqueId()) {
+            return false;
+        }
         final String displayDeviceUniqueId = displayDevice.getUniqueId();
-        if (!displayDevice.hasStableUniqueId() || displayDeviceUniqueId == null) {
+        if (displayDeviceUniqueId == null) {
             return false;
         }
         final DisplayState state = getDisplayState(displayDeviceUniqueId, true);
diff --git a/services/core/java/com/android/server/infra/OWNERS b/services/core/java/com/android/server/infra/OWNERS
index 0466d8a..4fea05d 100644
--- a/services/core/java/com/android/server/infra/OWNERS
+++ b/services/core/java/com/android/server/infra/OWNERS
@@ -1,3 +1,3 @@
 # Bug component: 655446
 
-include /core/java/android/service/cloudsearch/OWNERS
+srazdan@google.com
diff --git a/services/core/java/com/android/server/wm/TaskFpsCallbackController.java b/services/core/java/com/android/server/wm/TaskFpsCallbackController.java
index c099628..8c79875 100644
--- a/services/core/java/com/android/server/wm/TaskFpsCallbackController.java
+++ b/services/core/java/com/android/server/wm/TaskFpsCallbackController.java
@@ -26,8 +26,8 @@
 final class TaskFpsCallbackController {
 
     private final Context mContext;
-    private final HashMap<ITaskFpsCallback, Long> mTaskFpsCallbacks;
-    private final HashMap<ITaskFpsCallback, IBinder.DeathRecipient> mDeathRecipients;
+    private final HashMap<IBinder, Long> mTaskFpsCallbacks;
+    private final HashMap<IBinder, IBinder.DeathRecipient> mDeathRecipients;
 
     TaskFpsCallbackController(Context context) {
         mContext = context;
@@ -36,32 +36,42 @@
     }
 
     void registerListener(int taskId, ITaskFpsCallback callback) {
-        if (mTaskFpsCallbacks.containsKey(callback)) {
+        if (callback == null) {
+            return;
+        }
+
+        IBinder binder = callback.asBinder();
+        if (mTaskFpsCallbacks.containsKey(binder)) {
             return;
         }
 
         final long nativeListener = nativeRegister(callback, taskId);
-        mTaskFpsCallbacks.put(callback, nativeListener);
+        mTaskFpsCallbacks.put(binder, nativeListener);
 
         final IBinder.DeathRecipient deathRecipient = () -> unregisterListener(callback);
         try {
-            callback.asBinder().linkToDeath(deathRecipient, 0);
-            mDeathRecipients.put(callback, deathRecipient);
+            binder.linkToDeath(deathRecipient, 0);
+            mDeathRecipients.put(binder, deathRecipient);
         } catch (RemoteException e) {
             // ignore
         }
     }
 
     void unregisterListener(ITaskFpsCallback callback) {
-        if (!mTaskFpsCallbacks.containsKey(callback)) {
+        if (callback == null) {
             return;
         }
 
-        callback.asBinder().unlinkToDeath(mDeathRecipients.get(callback), 0);
-        mDeathRecipients.remove(callback);
+        IBinder binder = callback.asBinder();
+        if (!mTaskFpsCallbacks.containsKey(binder)) {
+            return;
+        }
 
-        nativeUnregister(mTaskFpsCallbacks.get(callback));
-        mTaskFpsCallbacks.remove(callback);
+        binder.unlinkToDeath(mDeathRecipients.get(binder), 0);
+        mDeathRecipients.remove(binder);
+
+        nativeUnregister(mTaskFpsCallbacks.get(binder));
+        mTaskFpsCallbacks.remove(binder);
     }
 
     private static native long nativeRegister(ITaskFpsCallback callback, int taskId);
diff --git a/services/tests/PackageManagerServiceTests/TEST_MAPPING b/services/tests/PackageManagerServiceTests/TEST_MAPPING
index e98acb2..5d96af9 100644
--- a/services/tests/PackageManagerServiceTests/TEST_MAPPING
+++ b/services/tests/PackageManagerServiceTests/TEST_MAPPING
@@ -55,23 +55,10 @@
           // TODO(b/204133664)
           "exclude-filter": "com.android.server.pm.test.SdCardEjectionTests"
         },
-	{
-          // TODO(b/272575212)
-          "exclude-filter": "com.android.server.pm.test.SettingsTest#testWriteCorruptDataBinaryXml"
-	},
-	{
-          "exclude-filter": "com.android.server.pm.test.SettingsTest#testWriteCorruptDataTextXml"
-	},
-	{
-          "exclude-filter": "com.android.server.pm.test.SettingsTest#testWriteCorruptHeaderBinaryXml"
-	},
-	{
-          "exclude-filter": "com.android.server.pm.test.SettingsTest#testWriteCorruptHeaderTextXml"
-	},
-	{
+        {
           // TODO(b/272714903)
           "exclude-filter": "com.android.server.pm.test.OverlayPathsUninstallSystemUpdatesTest#verify"
-	}
+        }
       ]
     }
   ],