Merge "Fix cursor event would be dropped" into sc-dev
diff --git a/cmds/dumpsys/OWNERS b/cmds/dumpsys/OWNERS
index 2a9b681..4f6a89e 100644
--- a/cmds/dumpsys/OWNERS
+++ b/cmds/dumpsys/OWNERS
@@ -2,3 +2,6 @@
 
 nandana@google.com
 jsharkey@android.com
+
+# for ServiceManager mock
+per-file dumpsys_test.cpp=smoreland@google.com
diff --git a/cmds/dumpsys/tests/dumpsys_test.cpp b/cmds/dumpsys/tests/dumpsys_test.cpp
index 39af7df..c9d2dbb 100644
--- a/cmds/dumpsys/tests/dumpsys_test.cpp
+++ b/cmds/dumpsys/tests/dumpsys_test.cpp
@@ -59,6 +59,7 @@
     MOCK_METHOD1(waitForService, sp<IBinder>(const String16&));
     MOCK_METHOD1(isDeclared, bool(const String16&));
     MOCK_METHOD1(getDeclaredInstances, Vector<String16>(const String16&));
+    MOCK_METHOD1(updatableViaApex, std::optional<String16>(const String16&));
   protected:
     MOCK_METHOD0(onAsBinder, IBinder*());
 };
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index 2f55249..b429fb3 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -58,22 +58,34 @@
     return false;
 }
 
-static bool isVintfDeclared(const std::string& name) {
-    size_t firstSlash = name.find('/');
-    size_t lastDot = name.rfind('.', firstSlash);
-    if (firstSlash == std::string::npos || lastDot == std::string::npos) {
-        LOG(ERROR) << "VINTF HALs require names in the format type/instance (e.g. "
-                   << "some.package.foo.IFoo/default) but got: " << name;
-        return false;
-    }
-    const std::string package = name.substr(0, lastDot);
-    const std::string iface = name.substr(lastDot+1, firstSlash-lastDot-1);
-    const std::string instance = name.substr(firstSlash+1);
+struct AidlName {
+    std::string package;
+    std::string iface;
+    std::string instance;
 
-    bool found = forEachManifest([&] (const ManifestWithDescription& mwd) {
-        if (mwd.manifest->hasAidlInstance(package, iface, instance)) {
+    static bool fill(const std::string& name, AidlName* aname) {
+        size_t firstSlash = name.find('/');
+        size_t lastDot = name.rfind('.', firstSlash);
+        if (firstSlash == std::string::npos || lastDot == std::string::npos) {
+            LOG(ERROR) << "VINTF HALs require names in the format type/instance (e.g. "
+                       << "some.package.foo.IFoo/default) but got: " << name;
+            return false;
+        }
+        aname->package = name.substr(0, lastDot);
+        aname->iface = name.substr(lastDot + 1, firstSlash - lastDot - 1);
+        aname->instance = name.substr(firstSlash + 1);
+        return true;
+    }
+};
+
+static bool isVintfDeclared(const std::string& name) {
+    AidlName aname;
+    if (!AidlName::fill(name, &aname)) return false;
+
+    bool found = forEachManifest([&](const ManifestWithDescription& mwd) {
+        if (mwd.manifest->hasAidlInstance(aname.package, aname.iface, aname.instance)) {
             LOG(INFO) << "Found " << name << " in " << mwd.description << " VINTF manifest.";
-            return true;
+            return true; // break
         }
         return false;  // continue
     });
@@ -81,13 +93,34 @@
     if (!found) {
         // Although it is tested, explicitly rebuilding qualified name, in case it
         // becomes something unexpected.
-        LOG(ERROR) << "Could not find " << package << "." << iface << "/" << instance
-                   << " in the VINTF manifest.";
+        LOG(ERROR) << "Could not find " << aname.package << "." << aname.iface << "/"
+                   << aname.instance << " in the VINTF manifest.";
     }
 
     return found;
 }
 
+static std::optional<std::string> getVintfUpdatableApex(const std::string& name) {
+    AidlName aname;
+    if (!AidlName::fill(name, &aname)) return std::nullopt;
+
+    std::optional<std::string> updatableViaApex;
+
+    forEachManifest([&](const ManifestWithDescription& mwd) {
+        mwd.manifest->forEachInstance([&](const auto& manifestInstance) {
+            if (manifestInstance.format() != vintf::HalFormat::AIDL) return true;
+            if (manifestInstance.package() != aname.package) return true;
+            if (manifestInstance.interface() != aname.iface) return true;
+            if (manifestInstance.instance() != aname.instance) return true;
+            updatableViaApex = manifestInstance.updatableViaApex();
+            return false; // break (libvintf uses opposite convention)
+        });
+        return false; // continue
+    });
+
+    return updatableViaApex;
+}
+
 static std::vector<std::string> getVintfInstances(const std::string& interface) {
     size_t lastDot = interface.rfind('.');
     if (lastDot == std::string::npos) {
@@ -388,6 +421,22 @@
     return Status::ok();
 }
 
+Status ServiceManager::updatableViaApex(const std::string& name,
+                                        std::optional<std::string>* outReturn) {
+    auto ctx = mAccess->getCallingContext();
+
+    if (!mAccess->canFind(ctx, name)) {
+        return Status::fromExceptionCode(Status::EX_SECURITY);
+    }
+
+    *outReturn = std::nullopt;
+
+#ifndef VENDORSERVICEMANAGER
+    *outReturn = getVintfUpdatableApex(name);
+#endif
+    return Status::ok();
+}
+
 void ServiceManager::removeRegistrationCallback(const wp<IBinder>& who,
                                     ServiceCallbackMap::iterator* it,
                                     bool* found) {
diff --git a/cmds/servicemanager/ServiceManager.h b/cmds/servicemanager/ServiceManager.h
index c089115..4f23c21 100644
--- a/cmds/servicemanager/ServiceManager.h
+++ b/cmds/servicemanager/ServiceManager.h
@@ -46,6 +46,8 @@
 
     binder::Status isDeclared(const std::string& name, bool* outReturn) override;
     binder::Status getDeclaredInstances(const std::string& interface, std::vector<std::string>* outReturn) override;
+    binder::Status updatableViaApex(const std::string& name,
+                                    std::optional<std::string>* outReturn) override;
     binder::Status registerClientCallback(const std::string& name, const sp<IBinder>& service,
                                           const sp<IClientCallback>& cb) override;
     binder::Status tryUnregisterService(const std::string& name, const sp<IBinder>& binder) override;
diff --git a/include/android/surface_control.h b/include/android/surface_control.h
index c349024..b7eafcd 100644
--- a/include/android/surface_control.h
+++ b/include/android/surface_control.h
@@ -147,6 +147,28 @@
 typedef void (*ASurfaceTransaction_OnComplete)(void* context, ASurfaceTransactionStats* stats)
                                                __INTRODUCED_IN(29);
 
+
+/**
+ * The ASurfaceTransaction_OnCommit callback is invoked when transaction is applied and the updates
+ * are ready to be presented. This callback will be invoked before the
+ * ASurfaceTransaction_OnComplete callback.
+ *
+ * \param context Optional context provided by the client that is passed into the callback.
+ *
+ * \param stats Opaque handle that can be passed to ASurfaceTransactionStats functions to query
+ * information about the transaction. The handle is only valid during the callback.
+ * Present and release fences are not available for this callback. Querying them using
+ * ASurfaceTransactionStats_getPresentFenceFd and ASurfaceTransactionStats_getPreviousReleaseFenceFd
+ * will result in failure.
+ *
+ * THREADING
+ * The transaction committed callback can be invoked on any thread.
+ *
+ * Available since API level 31.
+ */
+typedef void (*ASurfaceTransaction_OnCommit)(void* context, ASurfaceTransactionStats* stats)
+                                               __INTRODUCED_IN(31);
+
 /**
  * Returns the timestamp of when the frame was latched by the framework. Once a frame is
  * latched by the framework, it is presented at the following hardware vsync.
@@ -161,6 +183,8 @@
  * The recipient of the callback takes ownership of the fence and is responsible for closing
  * it. If a device does not support present fences, a -1 will be returned.
  *
+ * This query is not valid for ASurfaceTransaction_OnCommit callback.
+ *
  * Available since API level 29.
  */
 int ASurfaceTransactionStats_getPresentFenceFd(ASurfaceTransactionStats* surface_transaction_stats)
@@ -218,6 +242,8 @@
  * The client must ensure that all pending refs on a buffer are released before attempting to reuse
  * this buffer, otherwise synchronization errors may occur.
  *
+ * This query is not valid for ASurfaceTransaction_OnCommit callback.
+ *
  * Available since API level 29.
  */
 int ASurfaceTransactionStats_getPreviousReleaseFenceFd(
@@ -236,6 +262,16 @@
                                        ASurfaceTransaction_OnComplete func) __INTRODUCED_IN(29);
 
 /**
+ * Sets the callback that will be invoked when the updates from this transaction are applied and are
+ * ready to be presented. This callback will be invoked before the ASurfaceTransaction_OnComplete
+ * callback.
+ *
+ * Available since API level 31.
+ */
+void ASurfaceTransaction_setOnCommit(ASurfaceTransaction* transaction, void* context,
+                                    ASurfaceTransaction_OnCommit func) __INTRODUCED_IN(31);
+
+/**
  * Reparents the \a surface_control from its old parent to the \a new_parent surface control.
  * Any children of the reparented \a surface_control will remain children of the \a surface_control.
  *
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index 406bd54..6fb1227 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -90,6 +90,8 @@
     "BR_DEAD_BINDER",
     "BR_CLEAR_DEATH_NOTIFICATION_DONE",
     "BR_FAILED_REPLY",
+    "BR_FROZEN_REPLY",
+    "BR_ONEWAY_SPAM_SUSPECT",
     "BR_TRANSACTION_SEC_CTX",
 };
 
@@ -894,6 +896,11 @@
         }
 
         switch (cmd) {
+        case BR_ONEWAY_SPAM_SUSPECT:
+            ALOGE("Process seems to be sending too many oneway calls.");
+            CallStack::logStack("oneway spamming", CallStack::getCurrent().get(),
+                    ANDROID_LOG_ERROR);
+            [[fallthrough]];
         case BR_TRANSACTION_COMPLETE:
             if (!reply && !acquireResult) goto finish;
             break;
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index 61f4581..f684cf6 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -75,6 +75,7 @@
     sp<IBinder> waitForService(const String16& name16) override;
     bool isDeclared(const String16& name) override;
     Vector<String16> getDeclaredInstances(const String16& interface) override;
+    std::optional<String16> updatableViaApex(const String16& name) override;
 
     // for legacy ABI
     const String16& getInterfaceDescriptor() const override {
@@ -388,4 +389,12 @@
     return res;
 }
 
+std::optional<String16> ServiceManagerShim::updatableViaApex(const String16& name) {
+    std::optional<std::string> declared;
+    if (!mTheRealServiceManager->updatableViaApex(String8(name).c_str(), &declared).isOk()) {
+        return std::nullopt;
+    }
+    return declared ? std::optional<String16>(String16(declared.value().c_str())) : std::nullopt;
+}
+
 } // namespace android
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index 7647a8c..0414e76 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -43,6 +43,7 @@
 
 #define BINDER_VM_SIZE ((1 * 1024 * 1024) - sysconf(_SC_PAGE_SIZE) * 2)
 #define DEFAULT_MAX_BINDER_THREADS 15
+#define DEFAULT_ENABLE_ONEWAY_SPAM_DETECTION 1
 
 #ifdef __ANDROID_VNDK__
 const char* kDefaultDriver = "/dev/vndbinder";
@@ -358,6 +359,15 @@
     return result;
 }
 
+status_t ProcessState::enableOnewaySpamDetection(bool enable) {
+    uint32_t enableDetection = enable ? 1 : 0;
+    if (ioctl(mDriverFD, BINDER_ENABLE_ONEWAY_SPAM_DETECTION, &enableDetection) == -1) {
+        ALOGE("Binder ioctl to enable oneway spam detection failed: %s", strerror(errno));
+        return -errno;
+    }
+    return NO_ERROR;
+}
+
 void ProcessState::giveThreadPoolName() {
     androidSetThreadName( makeBinderThreadName().string() );
 }
@@ -388,6 +398,11 @@
         if (result == -1) {
             ALOGE("Binder ioctl to set max threads failed: %s", strerror(errno));
         }
+        uint32_t enable = DEFAULT_ENABLE_ONEWAY_SPAM_DETECTION;
+        result = ioctl(fd, BINDER_ENABLE_ONEWAY_SPAM_DETECTION, &enable);
+        if (result == -1) {
+            ALOGE("Binder ioctl to enable oneway spam detection failed: %s", strerror(errno));
+        }
     } else {
         ALOGW("Opening '%s' failed: %s\n", driver, strerror(errno));
     }
diff --git a/libs/binder/aidl/android/os/IServiceManager.aidl b/libs/binder/aidl/android/os/IServiceManager.aidl
index 2fabf94..75c4092 100644
--- a/libs/binder/aidl/android/os/IServiceManager.aidl
+++ b/libs/binder/aidl/android/os/IServiceManager.aidl
@@ -108,6 +108,11 @@
     @utf8InCpp String[] getDeclaredInstances(@utf8InCpp String iface);
 
     /**
+     * If updatable-via-apex, returns the APEX via which this is updated.
+     */
+    @nullable @utf8InCpp String updatableViaApex(@utf8InCpp String name);
+
+    /**
      * Request a callback when the number of clients of the service changes.
      * Used by LazyServiceRegistrar to dynamically stop services that have no clients.
      */
diff --git a/libs/binder/include/binder/IServiceManager.h b/libs/binder/include/binder/IServiceManager.h
index 5f0d056..3dbe2c4 100644
--- a/libs/binder/include/binder/IServiceManager.h
+++ b/libs/binder/include/binder/IServiceManager.h
@@ -20,6 +20,8 @@
 #include <utils/Vector.h>
 #include <utils/String16.h>
 
+#include <optional>
+
 namespace android {
 
 // ----------------------------------------------------------------------
@@ -99,6 +101,12 @@
      * Get all instances of a service as declared in the VINTF manifest
      */
     virtual Vector<String16> getDeclaredInstances(const String16& interface) = 0;
+
+    /**
+     * If this instance is updatable via an APEX, returns the APEX with which
+     * this can be updated.
+     */
+    virtual std::optional<String16> updatableViaApex(const String16& name) = 0;
 };
 
 sp<IServiceManager> defaultServiceManager();
diff --git a/libs/binder/include/binder/ProcessState.h b/libs/binder/include/binder/ProcessState.h
index 0919648..b9db5d7 100644
--- a/libs/binder/include/binder/ProcessState.h
+++ b/libs/binder/include/binder/ProcessState.h
@@ -58,6 +58,7 @@
             void                spawnPooledThread(bool isMain);
             
             status_t            setThreadPoolMaxThreadCount(size_t maxThreads);
+            status_t            enableOnewaySpamDetection(bool enable);
             void                giveThreadPoolName();
 
             String8             getDriverName();
diff --git a/libs/binder/include/private/binder/binder_module.h b/libs/binder/include/private/binder/binder_module.h
index 1579199..151235c 100644
--- a/libs/binder/include/private/binder/binder_module.h
+++ b/libs/binder/include/private/binder/binder_module.h
@@ -32,10 +32,6 @@
 #include <sys/ioctl.h>
 #include <linux/android/binder.h>
 
-#ifdef __cplusplus
-namespace android {
-#endif
-
 #ifndef BR_FROZEN_REPLY
 // Temporary definition of BR_FROZEN_REPLY. For production
 // this will come from UAPI binder.h
@@ -88,8 +84,18 @@
 };
 #endif //BINDER_GET_FROZEN_INFO
 
-#ifdef __cplusplus
-}   // namespace android
-#endif
+#ifndef BR_ONEWAY_SPAM_SUSPECT
+// Temporary definition of BR_ONEWAY_SPAM_SUSPECT. For production
+// this will come from UAPI binder.h
+#define BR_ONEWAY_SPAM_SUSPECT _IO('r', 19)
+#endif //BR_ONEWAY_SPAM_SUSPECT
+
+#ifndef BINDER_ENABLE_ONEWAY_SPAM_DETECTION
+/*
+ * Temporary definitions for oneway spam detection support. For the final version
+ * these will be defined in the UAPI binder.h file from upstream kernel.
+ */
+#define BINDER_ENABLE_ONEWAY_SPAM_DETECTION _IOW('b', 16, __u32)
+#endif //BINDER_ENABLE_ONEWAY_SPAM_DETECTION
 
 #endif // _BINDER_MODULE_H_
diff --git a/libs/binder/ndk/include_platform/android/binder_manager.h b/libs/binder/ndk/include_platform/android/binder_manager.h
index 5516914..a90b4aa 100644
--- a/libs/binder/ndk/include_platform/android/binder_manager.h
+++ b/libs/binder/ndk/include_platform/android/binder_manager.h
@@ -124,6 +124,15 @@
         __INTRODUCED_IN(31);
 
 /**
+ * Check if a service is updatable via an APEX module.
+ *
+ * \param instance identifier of the service
+ *
+ * \return whether the interface is updatable via APEX
+ */
+bool AServiceManager_isUpdatableViaApex(const char* instance) __INTRODUCED_IN(31);
+
+/**
  * Prevent lazy services without client from shutting down their process
  *
  * \param persist 'true' if the process should not exit.
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 67c85b6..7d4b82e 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -118,14 +118,15 @@
     AIBinder_getCallingSid; # apex
     AIBinder_setRequestingSid; # apex
     AParcel_markSensitive; # llndk
-    AServiceManager_isDeclared; # apex llndk
     AServiceManager_forEachDeclaredInstance; # apex llndk
-    AServiceManager_registerLazyService; # llndk
-    AServiceManager_waitForService; # apex llndk
     AServiceManager_forceLazyServicesPersist; # llndk
+    AServiceManager_isDeclared; # apex llndk
+    AServiceManager_isUpdatableViaApex; # apex
+    AServiceManager_reRegister; # llndk
+    AServiceManager_registerLazyService; # llndk
     AServiceManager_setActiveServicesCallback; # llndk
     AServiceManager_tryUnregister; # llndk
-    AServiceManager_reRegister; # llndk
+    AServiceManager_waitForService; # apex llndk
 
     AIBinder_forceDowngradeToSystemStability; # apex
     AIBinder_forceDowngradeToVendorStability; # llndk
diff --git a/libs/binder/ndk/service_manager.cpp b/libs/binder/ndk/service_manager.cpp
index 1ccd0d2..7649a26 100644
--- a/libs/binder/ndk/service_manager.cpp
+++ b/libs/binder/ndk/service_manager.cpp
@@ -105,6 +105,14 @@
         callback(String8(instance).c_str(), context);
     }
 }
+bool AServiceManager_isUpdatableViaApex(const char* instance) {
+    if (instance == nullptr) {
+        return false;
+    }
+
+    sp<IServiceManager> sm = defaultServiceManager();
+    return sm->updatableViaApex(String16(instance)) != std::nullopt;
+}
 void AServiceManager_forceLazyServicesPersist(bool persist) {
     auto serviceRegistrar = android::binder::LazyServiceRegistrar::getInstance();
     serviceRegistrar.forcePersist(persist);
diff --git a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
index 6a88401..62db3cf 100644
--- a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
+++ b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
@@ -300,6 +300,11 @@
     EXPECT_EQ(STATUS_OK, AIBinder_ping(binder.get()));
 }
 
+TEST(NdkBinder, IsUpdatable) {
+    bool isUpdatable = AServiceManager_isUpdatableViaApex("android.hardware.light.ILights/default");
+    EXPECT_EQ(isUpdatable, false);
+}
+
 // This is too slow
 TEST(NdkBinder, CheckLazyServiceShutDown) {
     ndk::SpAIBinder binder(AServiceManager_waitForService(kLazyBinderNdkUnitTestService));
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index e2193fa..dc8c0f1 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -88,6 +88,7 @@
     BINDER_LIB_TEST_GETPID,
     BINDER_LIB_TEST_ECHO_VECTOR,
     BINDER_LIB_TEST_REJECT_BUF,
+    BINDER_LIB_TEST_CAN_GET_SID,
 };
 
 pid_t start_server_process(int arg2, bool usePoll = false)
@@ -1192,6 +1193,14 @@
     EXPECT_NE(NO_ERROR, ret);
 }
 
+TEST_F(BinderLibTest, GotSid) {
+    sp<IBinder> server = addServer();
+
+    Parcel data;
+    status_t ret = server->transact(BINDER_LIB_TEST_CAN_GET_SID, data, nullptr);
+    EXPECT_EQ(OK, ret);
+}
+
 class BinderLibTestService : public BBinder
 {
     public:
@@ -1494,6 +1503,9 @@
             case BINDER_LIB_TEST_REJECT_BUF: {
                 return data.objectsCount() == 0 ? BAD_VALUE : NO_ERROR;
             }
+            case BINDER_LIB_TEST_CAN_GET_SID: {
+                return IPCThreadState::self()->getCallingSid() == nullptr ? BAD_VALUE : NO_ERROR;
+            }
             default:
                 return UNKNOWN_TRANSACTION;
             };
diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index ec4ced2..dd68fdb 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -80,11 +80,10 @@
     sp<RpcConnection> connection;
 
     Status sendString(const std::string& str) override {
-        std::cout << "Child received string: " << str << std::endl;
+        (void)str;
         return Status::ok();
     }
     Status doubleString(const std::string& str, std::string* strstr) override {
-        std::cout << "Child received string to double: " << str << std::endl;
         *strstr = str + str;
         return Status::ok();
     }
@@ -749,7 +748,7 @@
         threads.push_back(std::thread([&] {
             for (size_t j = 0; j < kNumCalls; j++) {
                 sp<IBinder> out;
-                proc.rootIface->repeatBinder(proc.rootBinder, &out);
+                EXPECT_OK(proc.rootIface->repeatBinder(proc.rootBinder, &out));
                 EXPECT_EQ(proc.rootBinder, out);
             }
         }));
@@ -758,6 +757,28 @@
     for (auto& t : threads) t.join();
 }
 
+TEST_P(BinderRpc, OnewayStressTest) {
+    constexpr size_t kNumClientThreads = 10;
+    constexpr size_t kNumServerThreads = 10;
+    constexpr size_t kNumCalls = 100;
+
+    auto proc = createRpcTestSocketServerProcess(kNumServerThreads);
+
+    std::vector<std::thread> threads;
+    for (size_t i = 0; i < kNumClientThreads; i++) {
+        threads.push_back(std::thread([&] {
+            for (size_t j = 0; j < kNumCalls; j++) {
+                EXPECT_OK(proc.rootIface->sendString("a"));
+            }
+
+            // check threads are not stuck
+            EXPECT_OK(proc.rootIface->sleepMs(250));
+        }));
+    }
+
+    for (auto& t : threads) t.join();
+}
+
 TEST_P(BinderRpc, OnewayCallDoesNotWait) {
     constexpr size_t kReallyLongTimeMs = 100;
     constexpr size_t kSleepMs = kReallyLongTimeMs * 5;
diff --git a/libs/binder/tests/binderStabilityTest.cpp b/libs/binder/tests/binderStabilityTest.cpp
index cb309bd..2ce13df 100644
--- a/libs/binder/tests/binderStabilityTest.cpp
+++ b/libs/binder/tests/binderStabilityTest.cpp
@@ -192,6 +192,8 @@
         EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
             android::defaultServiceManager()->addService(String16("."), vintfServer)) << instance8;
         EXPECT_FALSE(android::defaultServiceManager()->isDeclared(instance)) << instance8;
+        EXPECT_EQ(std::nullopt, android::defaultServiceManager()->updatableViaApex(instance))
+                << instance8;
     }
 }
 
diff --git a/libs/fakeservicemanager/ServiceManager.cpp b/libs/fakeservicemanager/ServiceManager.cpp
index 4ecbe53..761e45c 100644
--- a/libs/fakeservicemanager/ServiceManager.cpp
+++ b/libs/fakeservicemanager/ServiceManager.cpp
@@ -73,4 +73,9 @@
     return out;
 }
 
+std::optional<String16> ServiceManager::updatableViaApex(const String16& name) {
+    (void)name;
+    return std::nullopt;
+}
+
 }  // namespace android
diff --git a/libs/fakeservicemanager/ServiceManager.h b/libs/fakeservicemanager/ServiceManager.h
index 4ef47fb..e26c21b 100644
--- a/libs/fakeservicemanager/ServiceManager.h
+++ b/libs/fakeservicemanager/ServiceManager.h
@@ -19,6 +19,7 @@
 #include <binder/IServiceManager.h>
 
 #include <map>
+#include <optional>
 
 namespace android {
 
@@ -48,6 +49,8 @@
 
     Vector<String16> getDeclaredInstances(const String16& iface) override;
 
+    std::optional<String16> updatableViaApex(const String16& name) override;
+
 private:
     std::map<String16, sp<IBinder>> mNameToService;
 };
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index dbc1a7e..3d854c2 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -186,6 +186,7 @@
 void BLASTBufferQueue::update(const sp<SurfaceControl>& surface, uint32_t width, uint32_t height,
                               int32_t format) {
     std::unique_lock _lock{mMutex};
+    BQA_LOGV("update width=%d height=%d format=%d", width, height, format);
     if (mFormat != format) {
         mFormat = format;
         mBufferItemConsumer->setDefaultBufferFormat(convertBufferFormat(format));
@@ -397,10 +398,11 @@
     // Ensure BLASTBufferQueue stays alive until we receive the transaction complete callback.
     incStrong((void*)transactionCallbackThunk);
 
+    Rect crop = computeCrop(bufferItem);
     mLastAcquiredFrameNumber = bufferItem.mFrameNumber;
     mLastBufferInfo.update(true /* hasBuffer */, bufferItem.mGraphicBuffer->getWidth(),
                            bufferItem.mGraphicBuffer->getHeight(), bufferItem.mTransform,
-                           bufferItem.mScalingMode);
+                           bufferItem.mScalingMode, crop);
 
     auto releaseBufferCallback =
             std::bind(releaseBufferCallbackThunk, wp<BLASTBufferQueue>(this) /* callbackContext */,
@@ -415,7 +417,7 @@
     mSurfaceControlsWithPendingCallback.push(mSurfaceControl);
 
     setMatrix(t, mLastBufferInfo);
-    t->setCrop(mSurfaceControl, computeCrop(bufferItem));
+    t->setCrop(mSurfaceControl, crop);
     t->setTransform(mSurfaceControl, bufferItem.mTransform);
     t->setTransformToDisplayInverse(mSurfaceControl, bufferItem.mTransformToDisplayInverse);
     if (!bufferItem.mIsAutoTimestamp) {
@@ -543,13 +545,15 @@
 
 void BLASTBufferQueue::setMatrix(SurfaceComposerClient::Transaction* t,
                                  const BufferInfo& bufferInfo) {
-    uint32_t bufWidth = bufferInfo.width;
-    uint32_t bufHeight = bufferInfo.height;
+    uint32_t bufWidth = bufferInfo.crop.getWidth();
+    uint32_t bufHeight = bufferInfo.crop.getHeight();
 
-    float dsdx = mSize.width / static_cast<float>(bufWidth);
-    float dsdy = mSize.height / static_cast<float>(bufHeight);
+    float sx = mSize.width / static_cast<float>(bufWidth);
+    float sy = mSize.height / static_cast<float>(bufHeight);
 
-    t->setMatrix(mSurfaceControl, dsdx, 0, 0, dsdy);
+    t->setMatrix(mSurfaceControl, sx, 0, 0, sy);
+    // Update position based on crop.
+    t->setPosition(mSurfaceControl, bufferInfo.crop.left * sx * -1, bufferInfo.crop.top * sy * -1);
 }
 
 void BLASTBufferQueue::setTransactionCompleteCallback(
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 6ca2487..53721cf 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -99,7 +99,7 @@
         SAFE_PARCEL(data.writeVectorSize, listenerCallbacks);
         for (const auto& [listener, callbackIds] : listenerCallbacks) {
             SAFE_PARCEL(data.writeStrongBinder, listener);
-            SAFE_PARCEL(data.writeInt64Vector, callbackIds);
+            SAFE_PARCEL(data.writeParcelableVector, callbackIds);
         }
 
         SAFE_PARCEL(data.writeUint64, transactionId);
@@ -1268,7 +1268,7 @@
             for (int32_t i = 0; i < listenersSize; i++) {
                 SAFE_PARCEL(data.readStrongBinder, &tmpBinder);
                 std::vector<CallbackId> callbackIds;
-                SAFE_PARCEL(data.readInt64Vector, &callbackIds);
+                SAFE_PARCEL(data.readParcelableVector, &callbackIds);
                 listenerCallbacks.emplace_back(tmpBinder, callbackIds);
             }
 
diff --git a/libs/gui/ITransactionCompletedListener.cpp b/libs/gui/ITransactionCompletedListener.cpp
index b42793b..f74f91e 100644
--- a/libs/gui/ITransactionCompletedListener.cpp
+++ b/libs/gui/ITransactionCompletedListener.cpp
@@ -152,7 +152,7 @@
 }
 
 status_t TransactionStats::writeToParcel(Parcel* output) const {
-    status_t err = output->writeInt64Vector(callbackIds);
+    status_t err = output->writeParcelableVector(callbackIds);
     if (err != NO_ERROR) {
         return err;
     }
@@ -176,7 +176,7 @@
 }
 
 status_t TransactionStats::readFromParcel(const Parcel* input) {
-    status_t err = input->readInt64Vector(&callbackIds);
+    status_t err = input->readParcelableVector(&callbackIds);
     if (err != NO_ERROR) {
         return err;
     }
@@ -227,8 +227,9 @@
     return NO_ERROR;
 }
 
-ListenerStats ListenerStats::createEmpty(const sp<IBinder>& listener,
-                                         const std::unordered_set<CallbackId>& callbackIds) {
+ListenerStats ListenerStats::createEmpty(
+        const sp<IBinder>& listener,
+        const std::unordered_set<CallbackId, CallbackIdHash>& callbackIds) {
     ListenerStats listenerStats;
     listenerStats.listener = listener;
     listenerStats.transactionStats.emplace_back(callbackIds);
@@ -278,4 +279,28 @@
     }
 }
 
+ListenerCallbacks ListenerCallbacks::filter(CallbackId::Type type) const {
+    std::vector<CallbackId> filteredCallbackIds;
+    for (const auto& callbackId : callbackIds) {
+        if (callbackId.type == type) {
+            filteredCallbackIds.push_back(callbackId);
+        }
+    }
+    return ListenerCallbacks(transactionCompletedListener, filteredCallbackIds);
+}
+
+status_t CallbackId::writeToParcel(Parcel* output) const {
+    SAFE_PARCEL(output->writeInt64, id);
+    SAFE_PARCEL(output->writeInt32, static_cast<int32_t>(type));
+    return NO_ERROR;
+}
+
+status_t CallbackId::readFromParcel(const Parcel* input) {
+    SAFE_PARCEL(input->readInt64, &id);
+    int32_t typeAsInt;
+    SAFE_PARCEL(input->readInt32, &typeAsInt);
+    type = static_cast<CallbackId::Type>(typeAsInt);
+    return NO_ERROR;
+}
+
 }; // namespace android
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 55ed7fe..517b49e 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -140,7 +140,7 @@
 
     for (auto listener : listeners) {
         SAFE_PARCEL(output.writeStrongBinder, listener.transactionCompletedListener);
-        SAFE_PARCEL(output.writeInt64Vector, listener.callbackIds);
+        SAFE_PARCEL(output.writeParcelableVector, listener.callbackIds);
     }
     SAFE_PARCEL(output.writeFloat, shadowRadius);
     SAFE_PARCEL(output.writeInt32, frameRateSelectionPriority);
@@ -258,7 +258,7 @@
         sp<IBinder> listener;
         std::vector<CallbackId> callbackIds;
         SAFE_PARCEL(input.readNullableStrongBinder, &listener);
-        SAFE_PARCEL(input.readInt64Vector, &callbackIds);
+        SAFE_PARCEL(input.readParcelableVector, &callbackIds);
         listeners.emplace_back(listener, callbackIds);
     }
     SAFE_PARCEL(input.readFloat, &shadowRadius);
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 5dc2907..5db0eae 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -139,7 +139,7 @@
 // 0 is an invalid callback id
 TransactionCompletedListener::TransactionCompletedListener() : mCallbackIdCounter(1) {}
 
-CallbackId TransactionCompletedListener::getNextIdLocked() {
+int64_t TransactionCompletedListener::getNextIdLocked() {
     return mCallbackIdCounter++;
 }
 
@@ -163,13 +163,13 @@
 CallbackId TransactionCompletedListener::addCallbackFunction(
         const TransactionCompletedCallback& callbackFunction,
         const std::unordered_set<sp<SurfaceControl>, SurfaceComposerClient::SCHash>&
-                surfaceControls) {
+                surfaceControls,
+        CallbackId::Type callbackType) {
     std::lock_guard<std::mutex> lock(mMutex);
     startListeningLocked();
 
-    CallbackId callbackId = getNextIdLocked();
+    CallbackId callbackId(getNextIdLocked(), callbackType);
     mCallbacks[callbackId].callbackFunction = callbackFunction;
-
     auto& callbackSurfaceControls = mCallbacks[callbackId].surfaceControls;
 
     for (const auto& surfaceControl : surfaceControls) {
@@ -228,7 +228,7 @@
 
 void TransactionCompletedListener::addSurfaceControlToCallbacks(
         const sp<SurfaceControl>& surfaceControl,
-        const std::unordered_set<CallbackId>& callbackIds) {
+        const std::unordered_set<CallbackId, CallbackIdHash>& callbackIds) {
     std::lock_guard<std::mutex> lock(mMutex);
 
     for (auto callbackId : callbackIds) {
@@ -240,7 +240,7 @@
 }
 
 void TransactionCompletedListener::onTransactionCompleted(ListenerStats listenerStats) {
-    std::unordered_map<CallbackId, CallbackTranslation> callbacksMap;
+    std::unordered_map<CallbackId, CallbackTranslation, CallbackIdHash> callbacksMap;
     std::multimap<sp<IBinder>, sp<JankDataListener>> jankListenersMap;
     std::multimap<sp<IBinder>, SurfaceStatsCallbackEntry> surfaceListeners;
     {
@@ -267,7 +267,36 @@
         }
     }
     for (const auto& transactionStats : listenerStats.transactionStats) {
+        // handle on commit callbacks
         for (auto callbackId : transactionStats.callbackIds) {
+            if (callbackId.type != CallbackId::Type::ON_COMMIT) {
+                continue;
+            }
+            auto& [callbackFunction, callbackSurfaceControls] = callbacksMap[callbackId];
+            if (!callbackFunction) {
+                ALOGE("cannot call null callback function, skipping");
+                continue;
+            }
+            std::vector<SurfaceControlStats> surfaceControlStats;
+            for (const auto& surfaceStats : transactionStats.surfaceStats) {
+                surfaceControlStats
+                        .emplace_back(callbacksMap[callbackId]
+                                              .surfaceControls[surfaceStats.surfaceControl],
+                                      transactionStats.latchTime, surfaceStats.acquireTime,
+                                      transactionStats.presentFence,
+                                      surfaceStats.previousReleaseFence, surfaceStats.transformHint,
+                                      surfaceStats.eventStats);
+            }
+
+            callbackFunction(transactionStats.latchTime, transactionStats.presentFence,
+                             surfaceControlStats);
+        }
+
+        // handle on complete callbacks
+        for (auto callbackId : transactionStats.callbackIds) {
+            if (callbackId.type != CallbackId::Type::ON_COMPLETE) {
+                continue;
+            }
             auto& [callbackFunction, callbackSurfaceControls] = callbacksMap[callbackId];
             if (!callbackFunction) {
                 ALOGE("cannot call null callback function, skipping");
@@ -542,7 +571,9 @@
             return BAD_VALUE;
         }
         for (size_t j = 0; j < numCallbackIds; j++) {
-            listenerCallbacks[listener].callbackIds.insert(parcel->readInt64());
+            CallbackId id;
+            parcel->readParcelable(&id);
+            listenerCallbacks[listener].callbackIds.insert(id);
         }
         size_t numSurfaces = parcel->readUint32();
         if (numSurfaces > parcel->dataSize()) {
@@ -628,7 +659,7 @@
         parcel->writeStrongBinder(ITransactionCompletedListener::asBinder(listener));
         parcel->writeUint32(static_cast<uint32_t>(callbackInfo.callbackIds.size()));
         for (auto callbackId : callbackInfo.callbackIds) {
-            parcel->writeInt64(callbackId);
+            parcel->writeParcelable(callbackId);
         }
         parcel->writeUint32(static_cast<uint32_t>(callbackInfo.surfaceControls.size()));
         for (auto surfaceControl : callbackInfo.surfaceControls) {
@@ -1389,9 +1420,9 @@
     return *this;
 }
 
-SurfaceComposerClient::Transaction&
-SurfaceComposerClient::Transaction::addTransactionCompletedCallback(
-        TransactionCompletedCallbackTakesContext callback, void* callbackContext) {
+SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::addTransactionCallback(
+        TransactionCompletedCallbackTakesContext callback, void* callbackContext,
+        CallbackId::Type callbackType) {
     auto listener = TransactionCompletedListener::getInstance();
 
     auto callbackWithContext = std::bind(callback, callbackContext, std::placeholders::_1,
@@ -1399,13 +1430,26 @@
     const auto& surfaceControls =
             mListenerCallbacks[TransactionCompletedListener::getIInstance()].surfaceControls;
 
-    CallbackId callbackId = listener->addCallbackFunction(callbackWithContext, surfaceControls);
+    CallbackId callbackId =
+            listener->addCallbackFunction(callbackWithContext, surfaceControls, callbackType);
 
     mListenerCallbacks[TransactionCompletedListener::getIInstance()].callbackIds.emplace(
             callbackId);
     return *this;
 }
 
+SurfaceComposerClient::Transaction&
+SurfaceComposerClient::Transaction::addTransactionCompletedCallback(
+        TransactionCompletedCallbackTakesContext callback, void* callbackContext) {
+    return addTransactionCallback(callback, callbackContext, CallbackId::Type::ON_COMPLETE);
+}
+
+SurfaceComposerClient::Transaction&
+SurfaceComposerClient::Transaction::addTransactionCommittedCallback(
+        TransactionCompletedCallbackTakesContext callback, void* callbackContext) {
+    return addTransactionCallback(callback, callbackContext, CallbackId::Type::ON_COMMIT);
+}
+
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::notifyProducerDisconnect(
         const sp<SurfaceControl>& sc) {
     layer_state_t* s = getLayerState(sc);
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 8a23223..139dbb7 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -151,14 +151,20 @@
         // we get the next buffer. This will support scenarios where the layer can change sizes
         // and the buffer will scale to fit the new size.
         uint32_t scalingMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
+        Rect crop;
 
         void update(bool hasBuffer, uint32_t width, uint32_t height, uint32_t transform,
-                    uint32_t scalingMode) {
+                    uint32_t scalingMode, const Rect& crop) {
             this->hasBuffer = hasBuffer;
             this->width = width;
             this->height = height;
             this->transform = transform;
             this->scalingMode = scalingMode;
+            if (!crop.isEmpty()) {
+                this->crop = crop;
+            } else {
+                this->crop = Rect(width, height);
+            }
         }
     };
 
diff --git a/libs/gui/include/gui/ITransactionCompletedListener.h b/libs/gui/include/gui/ITransactionCompletedListener.h
index 098760e..2d71194 100644
--- a/libs/gui/include/gui/ITransactionCompletedListener.h
+++ b/libs/gui/include/gui/ITransactionCompletedListener.h
@@ -36,7 +36,22 @@
 class ITransactionCompletedListener;
 class ListenerCallbacks;
 
-using CallbackId = int64_t;
+class CallbackId : public Parcelable {
+public:
+    int64_t id;
+    enum class Type : int32_t { ON_COMPLETE, ON_COMMIT } type;
+
+    CallbackId() {}
+    CallbackId(int64_t id, Type type) : id(id), type(type) {}
+    status_t writeToParcel(Parcel* output) const override;
+    status_t readFromParcel(const Parcel* input) override;
+
+    bool operator==(const CallbackId& rhs) const { return id == rhs.id && type == rhs.type; }
+};
+
+struct CallbackIdHash {
+    std::size_t operator()(const CallbackId& key) const { return std::hash<int64_t>()(key.id); }
+};
 
 class FrameEventHistoryStats : public Parcelable {
 public:
@@ -112,7 +127,7 @@
 
     TransactionStats() = default;
     TransactionStats(const std::vector<CallbackId>& ids) : callbackIds(ids) {}
-    TransactionStats(const std::unordered_set<CallbackId>& ids)
+    TransactionStats(const std::unordered_set<CallbackId, CallbackIdHash>& ids)
           : callbackIds(ids.begin(), ids.end()) {}
     TransactionStats(const std::vector<CallbackId>& ids, nsecs_t latch, const sp<Fence>& present,
                      const std::vector<SurfaceStats>& surfaces)
@@ -129,8 +144,9 @@
     status_t writeToParcel(Parcel* output) const override;
     status_t readFromParcel(const Parcel* input) override;
 
-    static ListenerStats createEmpty(const sp<IBinder>& listener,
-                                     const std::unordered_set<CallbackId>& callbackIds);
+    static ListenerStats createEmpty(
+            const sp<IBinder>& listener,
+            const std::unordered_set<CallbackId, CallbackIdHash>& callbackIds);
 
     sp<IBinder> listener;
     std::vector<TransactionStats> transactionStats;
@@ -156,7 +172,8 @@
 
 class ListenerCallbacks {
 public:
-    ListenerCallbacks(const sp<IBinder>& listener, const std::unordered_set<CallbackId>& callbacks)
+    ListenerCallbacks(const sp<IBinder>& listener,
+                      const std::unordered_set<CallbackId, CallbackIdHash>& callbacks)
           : transactionCompletedListener(listener),
             callbackIds(callbacks.begin(), callbacks.end()) {}
 
@@ -170,9 +187,12 @@
         if (callbackIds.empty()) {
             return rhs.callbackIds.empty();
         }
-        return callbackIds.front() == rhs.callbackIds.front();
+        return callbackIds.front().id == rhs.callbackIds.front().id;
     }
 
+    // Returns a new ListenerCallbacks filtered by type
+    ListenerCallbacks filter(CallbackId::Type type) const;
+
     sp<IBinder> transactionCompletedListener;
     std::vector<CallbackId> callbackIds;
 };
@@ -191,7 +211,7 @@
     // same members. It is sufficient to just check the first CallbackId in the vectors. If
     // they match, they are the same. If they do not match, they are not the same.
     std::size_t operator()(const std::vector<CallbackId>& callbackIds) const {
-        return std::hash<CallbackId>{}((callbackIds.empty()) ? 0 : callbackIds.front());
+        return std::hash<int64_t>{}((callbackIds.empty()) ? 0 : callbackIds.front().id);
     }
 };
 
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index d2d1e5b..b4f62f2 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -84,6 +84,7 @@
         eLayerStackChanged = 0x00000080,
         eReleaseBufferListenerChanged = 0x00000400,
         eShadowRadiusChanged = 0x00000800,
+        eLayerCreated = 0x00001000,
         /* was eDetachChildren, now available 0x00002000, */
         eRelativeLayerChanged = 0x00004000,
         eReparent = 0x00008000,
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index d3f6ff0..5bbd8e3 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -336,7 +336,7 @@
     struct CallbackInfo {
         // All the callbacks that have been requested for a TransactionCompletedListener in the
         // Transaction
-        std::unordered_set<CallbackId> callbackIds;
+        std::unordered_set<CallbackId, CallbackIdHash> callbackIds;
         // All the SurfaceControls that have been modified in this TransactionCompletedListener's
         // process that require a callback if there is one or more callbackIds set.
         std::unordered_set<sp<SurfaceControl>, SCHash> surfaceControls;
@@ -484,9 +484,15 @@
         // Sets information about the priority of the frame.
         Transaction& setFrameRateSelectionPriority(const sp<SurfaceControl>& sc, int32_t priority);
 
+        Transaction& addTransactionCallback(TransactionCompletedCallbackTakesContext callback,
+                                            void* callbackContext, CallbackId::Type callbackType);
+
         Transaction& addTransactionCompletedCallback(
                 TransactionCompletedCallbackTakesContext callback, void* callbackContext);
 
+        Transaction& addTransactionCommittedCallback(
+                TransactionCompletedCallbackTakesContext callback, void* callbackContext);
+
         // ONLY FOR BLAST ADAPTER
         Transaction& notifyProducerDisconnect(const sp<SurfaceControl>& sc);
         // Set the framenumber generated by the graphics producer to mimic BufferQueue behaviour.
@@ -621,14 +627,13 @@
 class TransactionCompletedListener : public BnTransactionCompletedListener {
     TransactionCompletedListener();
 
-    CallbackId getNextIdLocked() REQUIRES(mMutex);
+    int64_t getNextIdLocked() REQUIRES(mMutex);
 
     std::mutex mMutex;
 
     bool mListening GUARDED_BY(mMutex) = false;
 
-    CallbackId mCallbackIdCounter GUARDED_BY(mMutex) = 1;
-
+    int64_t mCallbackIdCounter GUARDED_BY(mMutex) = 1;
     struct CallbackTranslation {
         TransactionCompletedCallback callbackFunction;
         std::unordered_map<sp<IBinder>, sp<SurfaceControl>, SurfaceComposerClient::IBinderHash>
@@ -646,7 +651,8 @@
         SurfaceStatsCallback callback;
     };
 
-    std::unordered_map<CallbackId, CallbackTranslation> mCallbacks GUARDED_BY(mMutex);
+    std::unordered_map<CallbackId, CallbackTranslation, CallbackIdHash> mCallbacks
+            GUARDED_BY(mMutex);
     std::multimap<sp<IBinder>, sp<JankDataListener>> mJankListeners GUARDED_BY(mMutex);
     std::unordered_map<uint64_t /* graphicsBufferId */, ReleaseBufferCallback>
             mReleaseBufferCallbacks GUARDED_BY(mMutex);
@@ -662,10 +668,12 @@
     CallbackId addCallbackFunction(
             const TransactionCompletedCallback& callbackFunction,
             const std::unordered_set<sp<SurfaceControl>, SurfaceComposerClient::SCHash>&
-                    surfaceControls);
+                    surfaceControls,
+            CallbackId::Type callbackType);
 
-    void addSurfaceControlToCallbacks(const sp<SurfaceControl>& surfaceControl,
-                                      const std::unordered_set<CallbackId>& callbackIds);
+    void addSurfaceControlToCallbacks(
+            const sp<SurfaceControl>& surfaceControl,
+            const std::unordered_set<CallbackId, CallbackIdHash>& callbackIds);
 
     /*
      * Adds a jank listener to be informed about SurfaceFlinger's jank classification for a specific
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index a44f44f..5a5da97 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -522,16 +522,146 @@
     adapter.waitForCallbacks();
     // capture screen and verify that it is red
     ASSERT_EQ(NO_ERROR, captureDisplay(mCaptureArgs, mCaptureResults));
-
-    Rect bounds;
-    bounds.left = finalCropSideLength / 2;
-    bounds.top = 0;
-    bounds.right = bounds.left + finalCropSideLength;
-    bounds.bottom = finalCropSideLength;
-
-    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(r, g, b, bounds));
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(r, g, b,
+                                               {10, 10, (int32_t)bufferSideLength - 10,
+                                                (int32_t)bufferSideLength - 10}));
     ASSERT_NO_FATAL_FAILURE(
-            checkScreenCapture(0, 0, 0, bounds, /*border*/ 0, /*outsideRegion*/ true));
+            checkScreenCapture(0, 0, 0,
+                               {0, 0, (int32_t)bufferSideLength, (int32_t)bufferSideLength},
+                               /*border*/ 0, /*outsideRegion*/ true));
+}
+
+TEST_F(BLASTBufferQueueTest, ScaleCroppedBufferToBufferSize) {
+    // add black background
+    auto bg = mClient->createSurface(String8("BGTest"), 0, 0, PIXEL_FORMAT_RGBA_8888,
+                                     ISurfaceComposerClient::eFXSurfaceEffect);
+    ASSERT_NE(nullptr, bg.get());
+    Transaction t;
+    t.setLayerStack(bg, 0)
+            .setCrop(bg, Rect(0, 0, mDisplayWidth, mDisplayHeight))
+            .setColor(bg, half3{0, 0, 0})
+            .setLayer(bg, 0)
+            .apply();
+
+    Rect windowSize(1000, 1000);
+    Rect bufferSize(windowSize);
+    Rect bufferCrop(200, 200, 700, 700);
+
+    BLASTBufferQueueHelper adapter(mSurfaceControl, windowSize.getWidth(), windowSize.getHeight());
+    sp<IGraphicBufferProducer> igbProducer;
+    setUpProducer(adapter, igbProducer);
+    int slot;
+    sp<Fence> fence;
+    sp<GraphicBuffer> buf;
+    auto ret = igbProducer->dequeueBuffer(&slot, &fence, bufferSize.getWidth(),
+                                          bufferSize.getHeight(), PIXEL_FORMAT_RGBA_8888,
+                                          GRALLOC_USAGE_SW_WRITE_OFTEN, nullptr, nullptr);
+    ASSERT_EQ(IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION, ret);
+    ASSERT_EQ(OK, igbProducer->requestBuffer(slot, &buf));
+
+    uint32_t* bufData;
+    buf->lock(static_cast<uint32_t>(GraphicBuffer::USAGE_SW_WRITE_OFTEN),
+              reinterpret_cast<void**>(&bufData));
+    // fill buffer with grey
+    fillBuffer(bufData, bufferSize, buf->getStride(), 127, 127, 127);
+
+    // fill crop area with different colors so we can verify the cropped region has been scaled
+    // correctly.
+    fillBuffer(bufData, Rect(200, 200, 450, 450), buf->getStride(), /* rgb */ 255, 0, 0);
+    fillBuffer(bufData, Rect(200, 451, 450, 700), buf->getStride(), /* rgb */ 0, 255, 0);
+    fillBuffer(bufData, Rect(451, 200, 700, 450), buf->getStride(), /* rgb */ 0, 0, 255);
+    fillBuffer(bufData, Rect(451, 451, 700, 700), buf->getStride(), /* rgb */ 255, 0, 0);
+    buf->unlock();
+
+    IGraphicBufferProducer::QueueBufferOutput qbOutput;
+    IGraphicBufferProducer::QueueBufferInput input(systemTime(), true /* autotimestamp */,
+                                                   HAL_DATASPACE_UNKNOWN,
+                                                   bufferCrop /* Rect::INVALID_RECT */,
+                                                   NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW, 0,
+                                                   Fence::NO_FENCE);
+    igbProducer->queueBuffer(slot, input, &qbOutput);
+    ASSERT_NE(ui::Transform::ROT_INVALID, qbOutput.transformHint);
+
+    adapter.waitForCallbacks();
+
+    ASSERT_EQ(NO_ERROR, captureDisplay(mCaptureArgs, mCaptureResults));
+
+    // Verify cropped region is scaled correctly.
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(255, 0, 0, {10, 10, 490, 490}));
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(0, 255, 0, {10, 510, 490, 990}));
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(0, 0, 255, {510, 10, 990, 490}));
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(255, 0, 0, {510, 510, 990, 990}));
+    // Verify outside region is black.
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(0, 0, 0,
+                                               {0, 0, (int32_t)windowSize.getWidth(),
+                                                (int32_t)windowSize.getHeight()},
+                                               /*border*/ 0, /*outsideRegion*/ true));
+}
+
+TEST_F(BLASTBufferQueueTest, ScaleCroppedBufferToWindowSize) {
+    // add black background
+    auto bg = mClient->createSurface(String8("BGTest"), 0, 0, PIXEL_FORMAT_RGBA_8888,
+                                     ISurfaceComposerClient::eFXSurfaceEffect);
+    ASSERT_NE(nullptr, bg.get());
+    Transaction t;
+    t.setLayerStack(bg, 0)
+            .setCrop(bg, Rect(0, 0, mDisplayWidth, mDisplayHeight))
+            .setColor(bg, half3{0, 0, 0})
+            .setLayer(bg, 0)
+            .apply();
+
+    Rect windowSize(1000, 1000);
+    Rect bufferSize(500, 500);
+    Rect bufferCrop(100, 100, 350, 350);
+
+    BLASTBufferQueueHelper adapter(mSurfaceControl, windowSize.getWidth(), windowSize.getHeight());
+    sp<IGraphicBufferProducer> igbProducer;
+    setUpProducer(adapter, igbProducer);
+    int slot;
+    sp<Fence> fence;
+    sp<GraphicBuffer> buf;
+    auto ret = igbProducer->dequeueBuffer(&slot, &fence, bufferSize.getWidth(),
+                                          bufferSize.getHeight(), PIXEL_FORMAT_RGBA_8888,
+                                          GRALLOC_USAGE_SW_WRITE_OFTEN, nullptr, nullptr);
+    ASSERT_EQ(IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION, ret);
+    ASSERT_EQ(OK, igbProducer->requestBuffer(slot, &buf));
+
+    uint32_t* bufData;
+    buf->lock(static_cast<uint32_t>(GraphicBuffer::USAGE_SW_WRITE_OFTEN),
+              reinterpret_cast<void**>(&bufData));
+    // fill buffer with grey
+    fillBuffer(bufData, bufferSize, buf->getStride(), 127, 127, 127);
+
+    // fill crop area with different colors so we can verify the cropped region has been scaled
+    // correctly.
+    fillBuffer(bufData, Rect(100, 100, 225, 225), buf->getStride(), /* rgb */ 255, 0, 0);
+    fillBuffer(bufData, Rect(100, 226, 225, 350), buf->getStride(), /* rgb */ 0, 255, 0);
+    fillBuffer(bufData, Rect(226, 100, 350, 225), buf->getStride(), /* rgb */ 0, 0, 255);
+    fillBuffer(bufData, Rect(226, 226, 350, 350), buf->getStride(), /* rgb */ 255, 0, 0);
+    buf->unlock();
+
+    IGraphicBufferProducer::QueueBufferOutput qbOutput;
+    IGraphicBufferProducer::QueueBufferInput input(systemTime(), true /* autotimestamp */,
+                                                   HAL_DATASPACE_UNKNOWN,
+                                                   bufferCrop /* Rect::INVALID_RECT */,
+                                                   NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW, 0,
+                                                   Fence::NO_FENCE);
+    igbProducer->queueBuffer(slot, input, &qbOutput);
+    ASSERT_NE(ui::Transform::ROT_INVALID, qbOutput.transformHint);
+
+    adapter.waitForCallbacks();
+
+    ASSERT_EQ(NO_ERROR, captureDisplay(mCaptureArgs, mCaptureResults));
+    // Verify cropped region is scaled correctly.
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(255, 0, 0, {10, 10, 490, 490}));
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(0, 255, 0, {10, 510, 490, 990}));
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(0, 0, 255, {510, 10, 990, 490}));
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(255, 0, 0, {510, 510, 990, 990}));
+    // Verify outside region is black.
+    ASSERT_NO_FATAL_FAILURE(checkScreenCapture(0, 0, 0,
+                                               {0, 0, (int32_t)windowSize.getWidth(),
+                                                (int32_t)windowSize.getHeight()},
+                                               /*border*/ 0, /*outsideRegion*/ true));
 }
 
 class TestProducerListener : public BnProducerListener {
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 4c208b3..ea8c295 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -102,14 +102,13 @@
         //   test flakiness.
         mSurfaceControl = mComposerClient->createSurface(
                 String8("Test Surface"), 32, 32, PIXEL_FORMAT_RGBA_8888, 0);
+        SurfaceComposerClient::Transaction().apply(true);
 
         ASSERT_TRUE(mSurfaceControl != nullptr);
         ASSERT_TRUE(mSurfaceControl->isValid());
 
         Transaction t;
-        ASSERT_EQ(NO_ERROR, t.setLayer(mSurfaceControl, 0x7fffffff)
-                .show(mSurfaceControl)
-                .apply());
+        ASSERT_EQ(NO_ERROR, t.setLayer(mSurfaceControl, 0x7fffffff).show(mSurfaceControl).apply());
 
         mSurface = mSurfaceControl->getSurface();
         ASSERT_TRUE(mSurface != nullptr);
diff --git a/libs/permission/Android.bp b/libs/permission/Android.bp
index dd38224..a5712b3 100644
--- a/libs/permission/Android.bp
+++ b/libs/permission/Android.bp
@@ -1,3 +1,12 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_native_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_native_license"],
+}
+
 cc_library_shared {
     name: "libpermission",
     srcs: [
diff --git a/libs/renderengine/skia/AutoBackendTexture.cpp b/libs/renderengine/skia/AutoBackendTexture.cpp
index c535597..9ed759f 100644
--- a/libs/renderengine/skia/AutoBackendTexture.cpp
+++ b/libs/renderengine/skia/AutoBackendTexture.cpp
@@ -29,7 +29,8 @@
 namespace skia {
 
 AutoBackendTexture::AutoBackendTexture(GrDirectContext* context, AHardwareBuffer* buffer,
-                                       bool isRender) {
+                                       bool isOutputBuffer)
+      : mIsOutputBuffer(isOutputBuffer) {
     ATRACE_CALL();
     AHardwareBuffer_Desc desc;
     AHardwareBuffer_describe(buffer, &desc);
@@ -40,8 +41,12 @@
             GrAHardwareBufferUtils::MakeBackendTexture(context, buffer, desc.width, desc.height,
                                                        &mDeleteProc, &mUpdateProc, &mImageCtx,
                                                        createProtectedImage, backendFormat,
-                                                       isRender);
+                                                       isOutputBuffer);
     mColorType = GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(desc.format);
+    ALOGE_IF(!mBackendTexture.isValid(),
+             "Failed to create a valid texture. [%p]:[%d,%d] isProtected:%d isWriteable:%d "
+             "format:%d",
+             this, desc.width, desc.height, isOutputBuffer, createProtectedImage, desc.format);
 }
 
 void AutoBackendTexture::unref(bool releaseLocalResources) {
@@ -92,13 +97,16 @@
 
     mImage = image;
     mDataspace = dataspace;
-    LOG_ALWAYS_FATAL_IF(mImage == nullptr, "Unable to generate SkImage from buffer");
+    LOG_ALWAYS_FATAL_IF(mImage == nullptr,
+                        "Unable to generate SkImage. isTextureValid:%d dataspace:%d",
+                        mBackendTexture.isValid(), dataspace);
     return mImage;
 }
 
 sk_sp<SkSurface> AutoBackendTexture::getOrCreateSurface(ui::Dataspace dataspace,
                                                         GrDirectContext* context) {
     ATRACE_CALL();
+    LOG_ALWAYS_FATAL_IF(!mIsOutputBuffer, "You can't generate a SkSurface for a read-only texture");
     if (!mSurface.get() || mDataspace != dataspace) {
         sk_sp<SkSurface> surface =
                 SkSurface::MakeFromBackendTexture(context, mBackendTexture,
@@ -113,7 +121,9 @@
     }
 
     mDataspace = dataspace;
-    LOG_ALWAYS_FATAL_IF(mSurface == nullptr, "Unable to generate SkSurface");
+    LOG_ALWAYS_FATAL_IF(mSurface == nullptr,
+                        "Unable to generate SkSurface. isTextureValid:%d dataspace:%d",
+                        mBackendTexture.isValid(), dataspace);
     return mSurface;
 }
 
diff --git a/libs/renderengine/skia/AutoBackendTexture.h b/libs/renderengine/skia/AutoBackendTexture.h
index 2d61cf8..3133de6 100644
--- a/libs/renderengine/skia/AutoBackendTexture.h
+++ b/libs/renderengine/skia/AutoBackendTexture.h
@@ -41,34 +41,42 @@
     // of shared ownership with Skia objects, so we wrap it here instead.
     class LocalRef {
     public:
-        LocalRef(AutoBackendTexture* texture) { setTexture(texture); }
-
-        ~LocalRef() {
-            // Destroying the texture is the same as setting it to null
-            setTexture(nullptr);
+        LocalRef(GrDirectContext* context, AHardwareBuffer* buffer, bool isOutputBuffer) {
+            mTexture = new AutoBackendTexture(context, buffer, isOutputBuffer);
+            mTexture->ref();
         }
 
-        AutoBackendTexture* getTexture() const { return mTexture; }
+        ~LocalRef() {
+            if (mTexture != nullptr) {
+                mTexture->unref(true);
+            }
+        }
+
+        // Makes a new SkImage from the texture content.
+        // As SkImages are immutable but buffer content is not, we create
+        // a new SkImage every time.
+        sk_sp<SkImage> makeImage(ui::Dataspace dataspace, SkAlphaType alphaType,
+                                 GrDirectContext* context) {
+            return mTexture->makeImage(dataspace, alphaType, context);
+        }
+
+        // Makes a new SkSurface from the texture content, if needed.
+        sk_sp<SkSurface> getOrCreateSurface(ui::Dataspace dataspace, GrDirectContext* context) {
+            return mTexture->getOrCreateSurface(dataspace, context);
+        }
 
         DISALLOW_COPY_AND_ASSIGN(LocalRef);
 
     private:
-        // Sets the texture to locally ref-track.
-        void setTexture(AutoBackendTexture* texture) {
-            if (mTexture != nullptr) {
-                mTexture->unref(true);
-            }
-
-            mTexture = texture;
-            if (mTexture != nullptr) {
-                mTexture->ref();
-            }
-        }
         AutoBackendTexture* mTexture = nullptr;
     };
 
+private:
     // Creates a GrBackendTexture whose contents come from the provided buffer.
-    AutoBackendTexture(GrDirectContext* context, AHardwareBuffer* buffer, bool isRender);
+    AutoBackendTexture(GrDirectContext* context, AHardwareBuffer* buffer, bool isOutputBuffer);
+
+    // The only way to invoke dtor is with unref, when mUsageCount is 0.
+    ~AutoBackendTexture() {}
 
     void ref() { mUsageCount++; }
 
@@ -85,10 +93,6 @@
     // Makes a new SkSurface from the texture content, if needed.
     sk_sp<SkSurface> getOrCreateSurface(ui::Dataspace dataspace, GrDirectContext* context);
 
-private:
-    // The only way to invoke dtor is with unref, when mUsageCount is 0.
-    ~AutoBackendTexture() {}
-
     GrBackendTexture mBackendTexture;
     GrAHardwareBufferUtils::DeleteImageProc mDeleteProc;
     GrAHardwareBufferUtils::UpdateImageProc mUpdateProc;
@@ -99,6 +103,7 @@
 
     int mUsageCount = 0;
 
+    const bool mIsOutputBuffer;
     sk_sp<SkImage> mImage = nullptr;
     sk_sp<SkSurface> mSurface = nullptr;
     ui::Dataspace mDataspace = ui::Dataspace::UNKNOWN;
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index 37d98a3..0a84754 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -508,9 +508,9 @@
 
     if (const auto& iter = cache.find(buffer->getId()); iter == cache.end()) {
         std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef =
-                std::make_shared<AutoBackendTexture::LocalRef>(
-                        new AutoBackendTexture(grContext.get(), buffer->toAHardwareBuffer(),
-                                               isRenderable));
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext.get(),
+                                                               buffer->toAHardwareBuffer(),
+                                                               isRenderable);
         cache.insert({buffer->getId(), imageTextureRef});
     }
     // restore the original state of the protected context if necessary
@@ -669,15 +669,17 @@
     if (const auto& it = cache.find(buffer->getBuffer()->getId()); it != cache.end()) {
         surfaceTextureRef = it->second;
     } else {
-        surfaceTextureRef = std::make_shared<AutoBackendTexture::LocalRef>(
-                new AutoBackendTexture(grContext.get(), buffer->getBuffer()->toAHardwareBuffer(),
-                                       true));
+        surfaceTextureRef =
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext.get(),
+                                                               buffer->getBuffer()
+                                                                       ->toAHardwareBuffer(),
+                                                               true);
     }
 
     const ui::Dataspace dstDataspace =
             mUseColorManagement ? display.outputDataspace : ui::Dataspace::UNKNOWN;
     sk_sp<SkSurface> dstSurface =
-            surfaceTextureRef->getTexture()->getOrCreateSurface(dstDataspace, grContext.get());
+            surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext.get());
 
     SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
     if (dstCanvas == nullptr) {
@@ -889,18 +891,17 @@
                 // it. If we're using skia, we're guaranteed to run on a dedicated GPU thread so if
                 // we didn't find anything in the cache then we intentionally did not cache this
                 // buffer's resources.
-                imageTextureRef = std::make_shared<AutoBackendTexture::LocalRef>(
-                        new AutoBackendTexture(grContext.get(),
-                                               item.buffer->getBuffer()->toAHardwareBuffer(),
-                                               false));
+                imageTextureRef = std::make_shared<
+                        AutoBackendTexture::LocalRef>(grContext.get(),
+                                                      item.buffer->getBuffer()->toAHardwareBuffer(),
+                                                      false);
             }
 
             sk_sp<SkImage> image =
-                    imageTextureRef->getTexture()->makeImage(layerDataspace,
-                                                             item.usePremultipliedAlpha
-                                                                     ? kPremul_SkAlphaType
-                                                                     : kUnpremul_SkAlphaType,
-                                                             grContext.get());
+                    imageTextureRef->makeImage(layerDataspace,
+                                               item.usePremultipliedAlpha ? kPremul_SkAlphaType
+                                                                          : kUnpremul_SkAlphaType,
+                                               grContext.get());
 
             auto texMatrix = getSkM44(item.textureTransform).asM33();
             // textureTansform was intended to be passed directly into a shader, so when
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index d63c88b..34ef0a4 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -1402,7 +1402,8 @@
     fillBufferColorTransformZeroLayerAlpha<ColorSourceVariant>();
 }
 
-TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_colorSource) {
+// TODO(b/186010146): reenable once swiftshader is happy with this test
+TEST_P(RenderEngineTest, DISABLED_drawLayers_fillBufferAndBlurBackground_colorSource) {
     initializeRenderEngine();
     fillBufferAndBlurBackground<ColorSourceVariant>();
 }
@@ -1477,7 +1478,8 @@
     fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
 
-TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_opaqueBufferSource) {
+// TODO(b/186010146): reenable once swiftshader is happy with this test
+TEST_P(RenderEngineTest, DISABLED_drawLayers_fillBufferAndBlurBackground_opaqueBufferSource) {
     initializeRenderEngine();
     fillBufferAndBlurBackground<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
@@ -1552,7 +1554,8 @@
     fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
-TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_bufferSource) {
+// TODO(b/186010146): reenable once swiftshader is happy with this test
+TEST_P(RenderEngineTest, DISABLED_drawLayers_fillBufferAndBlurBackground_bufferSource) {
     initializeRenderEngine();
     fillBufferAndBlurBackground<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index ac2edbe..7a5b20d 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -674,6 +674,11 @@
                                           latchTime);
     }
 
+    std::deque<sp<CallbackHandle>> remainingHandles;
+    mFlinger->getTransactionCallbackInvoker()
+            .finalizeOnCommitCallbackHandles(mDrawingState.callbackHandles, remainingHandles);
+    mDrawingState.callbackHandles = remainingHandles;
+
     mCurrentStateModified = false;
 
     return NO_ERROR;
@@ -790,7 +795,7 @@
     mBufferInfo.mFence = s.acquireFence;
     mBufferInfo.mTransform = s.bufferTransform;
     mBufferInfo.mDataspace = translateDataspace(s.dataspace);
-    mBufferInfo.mCrop = computeCrop(s);
+    mBufferInfo.mCrop = computeBufferCrop(s);
     mBufferInfo.mScaleMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
     mBufferInfo.mSurfaceDamage = s.surfaceDamageRegion;
     mBufferInfo.mHdrMetadata = s.hdrMetadata;
@@ -803,27 +808,11 @@
    return NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
 }
 
-Rect BufferStateLayer::computeCrop(const State& s) {
-    if (s.crop.isEmpty() && s.buffer) {
+Rect BufferStateLayer::computeBufferCrop(const State& s) {
+    if (s.buffer) {
         return s.buffer->getBuffer()->getBounds();
-    } else if (s.buffer) {
-        Rect crop = s.crop;
-        crop.left = std::max(crop.left, 0);
-        crop.top = std::max(crop.top, 0);
-        uint32_t bufferWidth = s.buffer->getBuffer()->getWidth();
-        uint32_t bufferHeight = s.buffer->getBuffer()->getHeight();
-        if (bufferHeight <= std::numeric_limits<int32_t>::max() &&
-            bufferWidth <= std::numeric_limits<int32_t>::max()) {
-            crop.right = std::min(crop.right, static_cast<int32_t>(bufferWidth));
-            crop.bottom = std::min(crop.bottom, static_cast<int32_t>(bufferHeight));
-        }
-        if (!crop.isValid()) {
-            // Crop rect is out of bounds, return whole buffer
-            return s.buffer->getBuffer()->getBounds();
-        }
-        return crop;
     }
-    return s.crop;
+    return Rect::INVALID_RECT;
 }
 
 sp<Layer> BufferStateLayer::createClone() {
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
index 4171092..af4fcae 100644
--- a/services/surfaceflinger/BufferStateLayer.h
+++ b/services/surfaceflinger/BufferStateLayer.h
@@ -140,7 +140,7 @@
     sp<Layer> createClone() override;
 
     // Crop that applies to the buffer
-    Rect computeCrop(const State& s);
+    Rect computeBufferCrop(const State& s);
 
     bool willPresentCurrentTransaction() const;
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
index a0606b4..289cb11 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
@@ -79,6 +79,9 @@
 
     // If set, causes the dirty regions to flash with the delay
     std::optional<std::chrono::microseconds> devOptFlashDirtyRegionsDelay;
+
+    // The earliest time to send the present command to the HAL
+    std::chrono::steady_clock::time_point earliestPresentTime;
 };
 
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
index 8f767d3..f0ef6d6 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
@@ -115,6 +115,9 @@
     // Current target dataspace
     ui::Dataspace targetDataspace{ui::Dataspace::UNKNOWN};
 
+    // The earliest time to send the present command to the HAL
+    std::chrono::steady_clock::time_point earliestPresentTime;
+
     // Debugging
     void dump(std::string& result) const;
 };
diff --git a/services/surfaceflinger/CompositionEngine/src/Display.cpp b/services/surfaceflinger/CompositionEngine/src/Display.cpp
index a605fe1..1ffb1c8 100644
--- a/services/surfaceflinger/CompositionEngine/src/Display.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Display.cpp
@@ -367,6 +367,11 @@
         return fences;
     }
 
+    {
+        ATRACE_NAME("wait for earliest present time");
+        std::this_thread::sleep_until(getState().earliestPresentTime);
+    }
+
     auto& hwc = getCompositionEngine().getHwComposer();
     hwc.presentAndGetReleaseFences(*halDisplayIdOpt);
 
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 3468b20..faa4b74 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -711,6 +711,8 @@
         return;
     }
 
+    editState().earliestPresentTime = refreshArgs.earliestPresentTime;
+
     sp<GraphicBuffer> previousOverride = nullptr;
     for (auto* layer : getOutputLayersOrderedByZ()) {
         bool skipLayer = false;
diff --git a/services/surfaceflinger/Scheduler/OneShotTimer.cpp b/services/surfaceflinger/Scheduler/OneShotTimer.cpp
index ce3b0c6..d659398 100644
--- a/services/surfaceflinger/Scheduler/OneShotTimer.cpp
+++ b/services/surfaceflinger/Scheduler/OneShotTimer.cpp
@@ -40,13 +40,21 @@
 namespace android {
 namespace scheduler {
 
+std::chrono::steady_clock::time_point OneShotTimer::Clock::now() const {
+    return std::chrono::steady_clock::now();
+}
+
 OneShotTimer::OneShotTimer(std::string name, const Interval& interval,
                            const ResetCallback& resetCallback,
-                           const TimeoutCallback& timeoutCallback)
-      : mName(std::move(name)),
+                           const TimeoutCallback& timeoutCallback,
+                           std::unique_ptr<OneShotTimer::Clock> clock)
+      : mClock(std::move(clock)),
+        mName(std::move(name)),
         mInterval(interval),
         mResetCallback(resetCallback),
-        mTimeoutCallback(timeoutCallback) {}
+        mTimeoutCallback(timeoutCallback) {
+    LOG_ALWAYS_FATAL_IF(!mClock, "Clock must not be provided");
+}
 
 OneShotTimer::~OneShotTimer() {
     stop();
@@ -112,7 +120,7 @@
             break;
         }
 
-        auto triggerTime = std::chrono::steady_clock::now() + mInterval;
+        auto triggerTime = mClock->now() + mInterval;
         state = TimerState::WAITING;
         while (state == TimerState::WAITING) {
             constexpr auto zero = std::chrono::steady_clock::duration::zero();
@@ -128,10 +136,9 @@
 
             state = checkForResetAndStop(state);
             if (state == TimerState::RESET) {
-                triggerTime = std::chrono::steady_clock::now() + mInterval;
+                triggerTime = mClock->now() + mInterval;
                 state = TimerState::WAITING;
-            } else if (state == TimerState::WAITING &&
-                       (triggerTime - std::chrono::steady_clock::now()) <= zero) {
+            } else if (state == TimerState::WAITING && (triggerTime - mClock->now()) <= zero) {
                 triggerTimeout = true;
                 state = TimerState::IDLE;
             }
diff --git a/services/surfaceflinger/Scheduler/OneShotTimer.h b/services/surfaceflinger/Scheduler/OneShotTimer.h
index 3690ce7..7285427 100644
--- a/services/surfaceflinger/Scheduler/OneShotTimer.h
+++ b/services/surfaceflinger/Scheduler/OneShotTimer.h
@@ -36,8 +36,17 @@
     using ResetCallback = std::function<void()>;
     using TimeoutCallback = std::function<void()>;
 
+    class Clock {
+    public:
+        Clock() = default;
+        virtual ~Clock() = default;
+
+        virtual std::chrono::steady_clock::time_point now() const;
+    };
+
     OneShotTimer(std::string name, const Interval& interval, const ResetCallback& resetCallback,
-                 const TimeoutCallback& timeoutCallback);
+                 const TimeoutCallback& timeoutCallback,
+                 std::unique_ptr<OneShotTimer::Clock> = std::make_unique<OneShotTimer::Clock>());
     ~OneShotTimer();
 
     // Initializes and turns on the idle timer.
@@ -78,6 +87,9 @@
     // Thread waiting for timer to expire.
     std::thread mThread;
 
+    // Clock object for the timer. Mocked in unit tests.
+    std::unique_ptr<Clock> mClock;
+
     // Semaphore to keep mThread synchronized.
     sem_t mSemaphore;
 
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 1d25c72..57bd045 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -927,4 +927,11 @@
     }
 }
 
+std::chrono::steady_clock::time_point Scheduler::getPreviousVsyncFrom(
+        nsecs_t expectedPresentTime) const {
+    const auto presentTime = std::chrono::nanoseconds(expectedPresentTime);
+    const auto vsyncPeriod = std::chrono::nanoseconds(mVsyncSchedule.tracker->currentPeriod());
+    return std::chrono::steady_clock::time_point(presentTime - vsyncPeriod);
+}
+
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 4d1f3c6..49d3d93 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -149,6 +149,8 @@
     bool isVsyncValid(nsecs_t expectedVsyncTimestamp, uid_t uid) const
             EXCLUDES(mFrameRateOverridesMutex);
 
+    std::chrono::steady_clock::time_point getPreviousVsyncFrom(nsecs_t expectedPresentTime) const;
+
     void dump(std::string&) const;
     void dump(ConnectionHandle, std::string&) const;
     void dumpVsync(std::string&) const;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 7076124..2da8ed4 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1972,6 +1972,8 @@
                 std::chrono::milliseconds(mDebugRegion > 1 ? mDebugRegion : 0);
     }
 
+    refreshArgs.earliestPresentTime = mScheduler->getPreviousVsyncFrom(mExpectedPresentTime);
+
     mGeometryInvalid = false;
 
     // Store the present time just before calling to the composition engine so we could notify
@@ -2032,6 +2034,9 @@
     ATRACE_CALL();
     bool refreshNeeded = handlePageFlip();
 
+    // Send on commit callbacks
+    mTransactionCallbackInvoker.sendCallbacks();
+
     if (mVisibleRegionsDirty) {
         computeLayerBounds();
     }
@@ -2754,6 +2759,7 @@
             (currentState.orientedDisplaySpaceRect != drawingState.orientedDisplaySpaceRect)) {
             display->setProjection(currentState.orientation, currentState.layerStackSpaceRect,
                                    currentState.orientedDisplaySpaceRect);
+            mDefaultDisplayTransformHint = display->getTransformHint();
         }
         if (currentState.width != drawingState.width ||
             currentState.height != drawingState.height) {
@@ -3260,70 +3266,38 @@
                                         const sp<IBinder>& parentHandle,
                                         const sp<Layer>& parentLayer, bool addToCurrentState,
                                         uint32_t* outTransformHint) {
-    // add this layer to the current state list
-    {
-        Mutex::Autolock _l(mStateLock);
-        sp<Layer> parent;
-        if (parentHandle != nullptr) {
-            parent = fromHandleLocked(parentHandle).promote();
-            if (parent == nullptr) {
-                return NAME_NOT_FOUND;
-            }
-        } else {
-            parent = parentLayer;
-        }
-
-        if (mNumLayers >= ISurfaceComposer::MAX_LAYERS) {
-            ALOGE("AddClientLayer failed, mNumLayers (%zu) >= MAX_LAYERS (%zu)", mNumLayers.load(),
-                  ISurfaceComposer::MAX_LAYERS);
-            return NO_MEMORY;
-        }
-
-        mLayersByLocalBinderToken.emplace(handle->localBinder(), lbc);
-
-        if (parent == nullptr && addToCurrentState) {
-            mCurrentState.layersSortedByZ.add(lbc);
-        } else if (parent == nullptr) {
-            lbc->onRemovedFromCurrentState();
-        } else if (parent->isRemovedFromCurrentState()) {
-            parent->addChild(lbc);
-            lbc->onRemovedFromCurrentState();
-        } else {
-            parent->addChild(lbc);
-        }
-
-        if (gbc != nullptr) {
-            mGraphicBufferProducerList.insert(IInterface::asBinder(gbc).get());
-            LOG_ALWAYS_FATAL_IF(mGraphicBufferProducerList.size() >
-                                        mMaxGraphicBufferProducerListSize,
-                                "Suspected IGBP leak: %zu IGBPs (%zu max), %zu Layers",
-                                mGraphicBufferProducerList.size(),
-                                mMaxGraphicBufferProducerListSize, mNumLayers.load());
-            if (mGraphicBufferProducerList.size() > mGraphicBufferProducerListSizeLogThreshold) {
-                ALOGW("Suspected IGBP leak: %zu IGBPs (%zu max), %zu Layers",
-                      mGraphicBufferProducerList.size(), mMaxGraphicBufferProducerListSize,
-                      mNumLayers.load());
-            }
-        }
-
-        if (const auto token = getInternalDisplayTokenLocked()) {
-            const ssize_t index = mCurrentState.displays.indexOfKey(token);
-            if (index >= 0) {
-                const DisplayDeviceState& state = mCurrentState.displays.valueAt(index);
-                lbc->updateTransformHint(ui::Transform::toRotationFlags(state.orientation));
-            }
-        }
-        if (outTransformHint) {
-            *outTransformHint = lbc->getTransformHint();
-        }
-
-        mLayersAdded = true;
+    if (mNumLayers >= ISurfaceComposer::MAX_LAYERS) {
+        ALOGE("AddClientLayer failed, mNumLayers (%zu) >= MAX_LAYERS (%zu)", mNumLayers.load(),
+              ISurfaceComposer::MAX_LAYERS);
+        return NO_MEMORY;
     }
 
+    wp<IBinder> initialProducer;
+    if (gbc != nullptr) {
+        initialProducer = IInterface::asBinder(gbc);
+    }
+    setLayerCreatedState(handle, lbc, parentHandle, parentLayer, initialProducer);
+
+    // Create a transaction includes the initial parent and producer.
+    Vector<ComposerState> states;
+    Vector<DisplayState> displays;
+
+    ComposerState composerState;
+    composerState.state.what = layer_state_t::eLayerCreated;
+    composerState.state.surface = handle;
+    states.add(composerState);
+
+    lbc->updateTransformHint(mDefaultDisplayTransformHint);
+    if (outTransformHint) {
+        *outTransformHint = mDefaultDisplayTransformHint;
+    }
     // attach this layer to the client
     client->attachLayer(handle, lbc);
 
-    return NO_ERROR;
+    return setTransactionState(FrameTimelineInfo{}, states, displays, 0 /* flags */, nullptr,
+                               InputWindowCommands{}, -1 /* desiredPresentTime */,
+                               true /* isAutoTimestamp */, {}, false /* hasListenerCallbacks */, {},
+                               0 /* Undefined transactionId */);
 }
 
 void SurfaceFlinger::removeGraphicBufferProducerAsync(const wp<IBinder>& binder) {
@@ -3792,19 +3766,47 @@
 uint32_t SurfaceFlinger::setClientStateLocked(
         const FrameTimelineInfo& frameTimelineInfo, const ComposerState& composerState,
         int64_t desiredPresentTime, bool isAutoTimestamp, int64_t postTime, uint32_t permissions,
-        std::unordered_set<ListenerCallbacks, ListenerCallbacksHash>& listenerCallbacks) {
+        std::unordered_set<ListenerCallbacks, ListenerCallbacksHash>& outListenerCallbacks) {
     const layer_state_t& s = composerState.state;
     const bool privileged = permissions & Permission::ACCESS_SURFACE_FLINGER;
+
+    std::vector<ListenerCallbacks> filteredListeners;
     for (auto& listener : s.listeners) {
+        // Starts a registration but separates the callback ids according to callback type. This
+        // allows the callback invoker to send on latch callbacks earlier.
         // note that startRegistration will not re-register if the listener has
         // already be registered for a prior surface control
-        mTransactionCallbackInvoker.startRegistration(listener);
-        listenerCallbacks.insert(listener);
+
+        ListenerCallbacks onCommitCallbacks = listener.filter(CallbackId::Type::ON_COMMIT);
+        if (!onCommitCallbacks.callbackIds.empty()) {
+            mTransactionCallbackInvoker.startRegistration(onCommitCallbacks);
+            filteredListeners.push_back(onCommitCallbacks);
+            outListenerCallbacks.insert(onCommitCallbacks);
+        }
+
+        ListenerCallbacks onCompleteCallbacks = listener.filter(CallbackId::Type::ON_COMPLETE);
+        if (!onCompleteCallbacks.callbackIds.empty()) {
+            mTransactionCallbackInvoker.startRegistration(onCompleteCallbacks);
+            filteredListeners.push_back(onCompleteCallbacks);
+            outListenerCallbacks.insert(onCompleteCallbacks);
+        }
     }
 
+    const uint64_t what = s.what;
+    uint32_t flags = 0;
     sp<Layer> layer = nullptr;
     if (s.surface) {
-        layer = fromHandleLocked(s.surface).promote();
+        if (what & layer_state_t::eLayerCreated) {
+            layer = handleLayerCreatedLocked(s.surface, privileged);
+            if (layer) {
+                // put the created layer into mLayersByLocalBinderToken.
+                mLayersByLocalBinderToken.emplace(s.surface->localBinder(), layer);
+                flags |= eTransactionNeeded | eTraversalNeeded;
+                mLayersAdded = true;
+            }
+        } else {
+            layer = fromHandleLocked(s.surface).promote();
+        }
     } else {
         // The client may provide us a null handle. Treat it as if the layer was removed.
         ALOGW("Attempt to set client state with a null layer handle");
@@ -3817,10 +3819,6 @@
         return 0;
     }
 
-    uint32_t flags = 0;
-
-    const uint64_t what = s.what;
-
     // Only set by BLAST adapter layers
     if (what & layer_state_t::eProducerDisconnect) {
         layer->onDisconnect();
@@ -4052,8 +4050,8 @@
         }
     }
     std::vector<sp<CallbackHandle>> callbackHandles;
-    if ((what & layer_state_t::eHasListenerCallbacksChanged) && (!s.listeners.empty())) {
-        for (auto& [listener, callbackIds] : s.listeners) {
+    if ((what & layer_state_t::eHasListenerCallbacksChanged) && (!filteredListeners.empty())) {
+        for (auto& [listener, callbackIds] : filteredListeners) {
             callbackHandles.emplace_back(new CallbackHandle(listener, callbackIds, s.surface));
         }
     }
@@ -4274,14 +4272,7 @@
                                                 sp<Layer>* outLayer) {
     LayerCreationArgs args(this, client, std::move(name), w, h, flags, std::move(metadata));
     args.textureName = getNewTexture();
-    sp<BufferStateLayer> layer;
-    {
-        // TODO (b/173538294): Investigate why we need mStateLock here and above in
-        // createBufferQueue layer. Is it the renderengine::Image?
-        Mutex::Autolock lock(mStateLock);
-        layer = getFactory().createBufferStateLayer(args);
-
-    }
+    sp<BufferStateLayer> layer = getFactory().createBufferStateLayer(args);
     *handle = layer->getHandle();
     *outLayer = layer;
 
@@ -4369,7 +4360,7 @@
     setPowerModeInternal(display, hal::PowerMode::ON);
     const nsecs_t vsyncPeriod = mRefreshRateConfigs->getCurrentRefreshRate().getVsyncPeriod();
     mAnimFrameTracker.setDisplayRefreshPeriod(vsyncPeriod);
-
+    mDefaultDisplayTransformHint = display->getTransformHint();
     // Use phase of 0 since phase is not known.
     // Use latency of 0, which will snap to the ideal latency.
     DisplayStatInfo stats{0 /* vsyncTime */, vsyncPeriod};
@@ -6632,6 +6623,87 @@
     }
 }
 
+void SurfaceFlinger::setLayerCreatedState(const sp<IBinder>& handle, const wp<Layer>& layer,
+                                          const wp<IBinder>& parent, const wp<Layer> parentLayer,
+                                          const wp<IBinder>& producer) {
+    Mutex::Autolock lock(mCreatedLayersLock);
+    mCreatedLayers[handle->localBinder()] =
+            std::make_unique<LayerCreatedState>(layer, parent, parentLayer, producer);
+}
+
+auto SurfaceFlinger::getLayerCreatedState(const sp<IBinder>& handle) {
+    Mutex::Autolock lock(mCreatedLayersLock);
+    BBinder* b = nullptr;
+    if (handle) {
+        b = handle->localBinder();
+    }
+
+    if (b == nullptr) {
+        return std::unique_ptr<LayerCreatedState>(nullptr);
+    }
+
+    auto it = mCreatedLayers.find(b);
+    if (it == mCreatedLayers.end()) {
+        ALOGE("Can't find layer from handle %p", handle.get());
+        return std::unique_ptr<LayerCreatedState>(nullptr);
+    }
+
+    auto state = std::move(it->second);
+    mCreatedLayers.erase(it);
+    return state;
+}
+
+sp<Layer> SurfaceFlinger::handleLayerCreatedLocked(const sp<IBinder>& handle, bool privileged) {
+    const auto& state = getLayerCreatedState(handle);
+    if (!state) {
+        return nullptr;
+    }
+
+    sp<Layer> layer = state->layer.promote();
+    if (!layer) {
+        ALOGE("Invalid layer %p", state->layer.unsafe_get());
+        return nullptr;
+    }
+
+    sp<Layer> parent;
+    bool allowAddRoot = privileged;
+    if (state->initialParent != nullptr) {
+        parent = fromHandleLocked(state->initialParent.promote()).promote();
+        if (parent == nullptr) {
+            ALOGE("Invalid parent %p", state->initialParent.unsafe_get());
+            allowAddRoot = false;
+        }
+    } else if (state->initialParentLayer != nullptr) {
+        parent = state->initialParentLayer.promote();
+        allowAddRoot = false;
+    }
+
+    if (parent == nullptr && allowAddRoot) {
+        mCurrentState.layersSortedByZ.add(layer);
+    } else if (parent == nullptr) {
+        layer->onRemovedFromCurrentState();
+    } else if (parent->isRemovedFromCurrentState()) {
+        parent->addChild(layer);
+        layer->onRemovedFromCurrentState();
+    } else {
+        parent->addChild(layer);
+    }
+
+    if (state->initialProducer != nullptr) {
+        mGraphicBufferProducerList.insert(state->initialProducer);
+        LOG_ALWAYS_FATAL_IF(mGraphicBufferProducerList.size() > mMaxGraphicBufferProducerListSize,
+                            "Suspected IGBP leak: %zu IGBPs (%zu max), %zu Layers",
+                            mGraphicBufferProducerList.size(), mMaxGraphicBufferProducerListSize,
+                            mNumLayers.load());
+        if (mGraphicBufferProducerList.size() > mGraphicBufferProducerListSizeLogThreshold) {
+            ALOGW("Suspected IGBP leak: %zu IGBPs (%zu max), %zu Layers",
+                  mGraphicBufferProducerList.size(), mMaxGraphicBufferProducerListSize,
+                  mNumLayers.load());
+        }
+    }
+
+    return layer;
+}
 } // namespace android
 
 #if defined(__gl_h_)
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index fa503c3..cf1a545 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1392,6 +1392,35 @@
 
     std::unordered_map<DisplayId, sp<HdrLayerInfoReporter>> mHdrLayerInfoListeners
             GUARDED_BY(mStateLock);
+    mutable Mutex mCreatedLayersLock;
+    struct LayerCreatedState {
+        LayerCreatedState(const wp<Layer>& layer, const wp<IBinder>& parent,
+                          const wp<Layer> parentLayer, const wp<IBinder>& producer)
+              : layer(layer),
+                initialParent(parent),
+                initialParentLayer(parentLayer),
+                initialProducer(producer) {}
+        wp<Layer> layer;
+        // Indicates the initial parent of the created layer, only used for creating layer in
+        // SurfaceFlinger. If nullptr, it may add the created layer into the current root layers.
+        wp<IBinder> initialParent;
+        wp<Layer> initialParentLayer;
+        // Indicates the initial graphic buffer producer of the created layer, only used for
+        // creating layer in SurfaceFlinger.
+        wp<IBinder> initialProducer;
+    };
+
+    // A temporay pool that store the created layers and will be added to current state in main
+    // thread.
+    std::unordered_map<BBinder*, std::unique_ptr<LayerCreatedState>> mCreatedLayers;
+    void setLayerCreatedState(const sp<IBinder>& handle, const wp<Layer>& layer,
+                              const wp<IBinder>& parent, const wp<Layer> parentLayer,
+                              const wp<IBinder>& producer);
+    auto getLayerCreatedState(const sp<IBinder>& handle);
+    sp<Layer> handleLayerCreatedLocked(const sp<IBinder>& handle, bool privileged)
+            REQUIRES(mStateLock);
+
+    std::atomic<ui::Transform::RotationFlags> mDefaultDisplayTransformHint;
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/TimeStats/TimeStats.cpp b/services/surfaceflinger/TimeStats/TimeStats.cpp
index 16c6bb3..3d82afa 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.cpp
+++ b/services/surfaceflinger/TimeStats/TimeStats.cpp
@@ -745,7 +745,7 @@
 static const constexpr int32_t kValidJankyReason = JankType::DisplayHAL |
         JankType::SurfaceFlingerCpuDeadlineMissed | JankType::SurfaceFlingerGpuDeadlineMissed |
         JankType::AppDeadlineMissed | JankType::PredictionError |
-        JankType::SurfaceFlingerScheduling | JankType::BufferStuffing;
+        JankType::SurfaceFlingerScheduling;
 
 template <class T>
 static void updateJankPayload(T& t, int32_t reasons) {
@@ -771,9 +771,11 @@
         if ((reasons & JankType::SurfaceFlingerScheduling) != 0) {
             t.jankPayload.totalSFScheduling++;
         }
-        if ((reasons & JankType::BufferStuffing) != 0) {
-            t.jankPayload.totalAppBufferStuffing++;
-        }
+    }
+
+    // We want to track BufferStuffing separately as it can provide info on latency issues
+    if (reasons & JankType::BufferStuffing) {
+        t.jankPayload.totalAppBufferStuffing++;
     }
 }
 
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.cpp b/services/surfaceflinger/TransactionCallbackInvoker.cpp
index 3590e76..4f4c02b 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.cpp
+++ b/services/surfaceflinger/TransactionCallbackInvoker.cpp
@@ -36,13 +36,17 @@
 //         <0 if the first id that doesn't match is lower in c2 or all ids match but c2 is shorter
 //         >0 if the first id that doesn't match is greater in c2 or all ids match but c2 is longer
 //
-// See CallbackIdsHash for a explaniation of why this works
+// See CallbackIdsHash for a explanation of why this works
 static int compareCallbackIds(const std::vector<CallbackId>& c1,
                               const std::vector<CallbackId>& c2) {
     if (c1.empty()) {
         return !c2.empty();
     }
-    return c1.front() - c2.front();
+    return c1.front().id - c2.front().id;
+}
+
+static bool containsOnCommitCallbacks(const std::vector<CallbackId>& callbacks) {
+    return !callbacks.empty() && callbacks.front().type == CallbackId::Type::ON_COMMIT;
 }
 
 TransactionCallbackInvoker::~TransactionCallbackInvoker() {
@@ -114,39 +118,69 @@
     return NO_ERROR;
 }
 
+status_t TransactionCallbackInvoker::finalizeCallbackHandle(const sp<CallbackHandle>& handle,
+                                                            const std::vector<JankData>& jankData) {
+    auto listener = mPendingTransactions.find(handle->listener);
+    if (listener != mPendingTransactions.end()) {
+        auto& pendingCallbacks = listener->second;
+        auto pendingCallback = pendingCallbacks.find(handle->callbackIds);
+
+        if (pendingCallback != pendingCallbacks.end()) {
+            auto& pendingCount = pendingCallback->second;
+
+            // Decrease the pending count for this listener
+            if (--pendingCount == 0) {
+                pendingCallbacks.erase(pendingCallback);
+            }
+        } else {
+            ALOGW("there are more latched callbacks than there were registered callbacks");
+        }
+        if (listener->second.size() == 0) {
+            mPendingTransactions.erase(listener);
+        }
+    } else {
+        ALOGW("cannot find listener in mPendingTransactions");
+    }
+
+    status_t err = addCallbackHandle(handle, jankData);
+    if (err != NO_ERROR) {
+        ALOGE("could not add callback handle");
+        return err;
+    }
+    return NO_ERROR;
+}
+
+status_t TransactionCallbackInvoker::finalizeOnCommitCallbackHandles(
+        const std::deque<sp<CallbackHandle>>& handles,
+        std::deque<sp<CallbackHandle>>& outRemainingHandles) {
+    if (handles.empty()) {
+        return NO_ERROR;
+    }
+    std::lock_guard lock(mMutex);
+    const std::vector<JankData>& jankData = std::vector<JankData>();
+    for (const auto& handle : handles) {
+        if (!containsOnCommitCallbacks(handle->callbackIds)) {
+            outRemainingHandles.push_back(handle);
+            continue;
+        }
+        status_t err = finalizeCallbackHandle(handle, jankData);
+        if (err != NO_ERROR) {
+            return err;
+        }
+    }
+
+    return NO_ERROR;
+}
+
 status_t TransactionCallbackInvoker::finalizePendingCallbackHandles(
         const std::deque<sp<CallbackHandle>>& handles, const std::vector<JankData>& jankData) {
     if (handles.empty()) {
         return NO_ERROR;
     }
     std::lock_guard lock(mMutex);
-
     for (const auto& handle : handles) {
-        auto listener = mPendingTransactions.find(handle->listener);
-        if (listener != mPendingTransactions.end()) {
-            auto& pendingCallbacks = listener->second;
-            auto pendingCallback = pendingCallbacks.find(handle->callbackIds);
-
-            if (pendingCallback != pendingCallbacks.end()) {
-                auto& pendingCount = pendingCallback->second;
-
-                // Decrease the pending count for this listener
-                if (--pendingCount == 0) {
-                    pendingCallbacks.erase(pendingCallback);
-                }
-            } else {
-                ALOGW("there are more latched callbacks than there were registered callbacks");
-            }
-            if (listener->second.size() == 0) {
-                mPendingTransactions.erase(listener);
-            }
-        } else {
-            ALOGW("cannot find listener in mPendingTransactions");
-        }
-
-        status_t err = addCallbackHandle(handle, jankData);
+        status_t err = finalizeCallbackHandle(handle, jankData);
         if (err != NO_ERROR) {
-            ALOGE("could not add callback handle");
             return err;
         }
     }
@@ -243,7 +277,8 @@
             }
 
             // If the transaction has been latched
-            if (transactionStats.latchTime >= 0) {
+            if (transactionStats.latchTime >= 0 &&
+                !containsOnCommitCallbacks(transactionStats.callbackIds)) {
                 if (!mPresentFence) {
                     break;
                 }
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.h b/services/surfaceflinger/TransactionCallbackInvoker.h
index caa8a4f..184b151 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.h
+++ b/services/surfaceflinger/TransactionCallbackInvoker.h
@@ -74,6 +74,8 @@
     // Notifies the TransactionCallbackInvoker that a pending CallbackHandle has been presented.
     status_t finalizePendingCallbackHandles(const std::deque<sp<CallbackHandle>>& handles,
                                             const std::vector<JankData>& jankData);
+    status_t finalizeOnCommitCallbackHandles(const std::deque<sp<CallbackHandle>>& handles,
+                                             std::deque<sp<CallbackHandle>>& outRemainingHandles);
 
     // Adds the Transaction CallbackHandle from a layer that does not need to be relatched and
     // presented this frame.
@@ -95,6 +97,9 @@
     status_t addCallbackHandle(const sp<CallbackHandle>& handle,
                                const std::vector<JankData>& jankData) REQUIRES(mMutex);
 
+    status_t finalizeCallbackHandle(const sp<CallbackHandle>& handle,
+                                    const std::vector<JankData>& jankData) REQUIRES(mMutex);
+
     class CallbackDeathRecipient : public IBinder::DeathRecipient {
     public:
         // This function is a no-op. isBinderAlive needs a linked DeathRecipient to work.
diff --git a/services/surfaceflinger/tests/InvalidHandles_test.cpp b/services/surfaceflinger/tests/InvalidHandles_test.cpp
index 58b039e..9cf7c09 100644
--- a/services/surfaceflinger/tests/InvalidHandles_test.cpp
+++ b/services/surfaceflinger/tests/InvalidHandles_test.cpp
@@ -52,12 +52,15 @@
     }
 };
 
-TEST_F(InvalidHandleTest, createSurfaceInvalidHandle) {
-    auto notSc = makeNotSurfaceControl();
-    ASSERT_EQ(nullptr,
-              mScc->createSurface(String8("lolcats"), 19, 47, PIXEL_FORMAT_RGBA_8888, 0,
-                                  notSc->getHandle())
-                      .get());
+TEST_F(InvalidHandleTest, createSurfaceInvalidParentHandle) {
+    // The createSurface is scheduled now, we could still get a created surface from createSurface.
+    // Should verify if it actually added into current state by checking the screenshot.
+    auto notSc = mScc->createSurface(String8("lolcats"), 19, 47, PIXEL_FORMAT_RGBA_8888, 0,
+                                     mNotSc->getHandle());
+    LayerCaptureArgs args;
+    args.layerHandle = notSc->getHandle();
+    ScreenCaptureResults captureResults;
+    ASSERT_EQ(NAME_NOT_FOUND, ScreenCapture::captureLayers(args, captureResults));
 }
 
 TEST_F(InvalidHandleTest, captureLayersInvalidHandle) {
diff --git a/services/surfaceflinger/tests/unittests/OneShotTimerTest.cpp b/services/surfaceflinger/tests/unittests/OneShotTimerTest.cpp
index cfbb3f5..a1f0588 100644
--- a/services/surfaceflinger/tests/unittests/OneShotTimerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/OneShotTimerTest.cpp
@@ -19,6 +19,7 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <utils/Log.h>
+#include <utils/Timers.h>
 
 #include "AsyncCallRecorder.h"
 #include "Scheduler/OneShotTimer.h"
@@ -28,21 +29,22 @@
 namespace android {
 namespace scheduler {
 
+class FakeClock : public OneShotTimer::Clock {
+public:
+    virtual ~FakeClock() = default;
+    std::chrono::steady_clock::time_point now() const override { return mNow; }
+
+    void advanceTime(std::chrono::nanoseconds delta) { mNow += delta; }
+
+private:
+    std::chrono::steady_clock::time_point mNow;
+};
+
 class OneShotTimerTest : public testing::Test {
 protected:
     OneShotTimerTest() = default;
     ~OneShotTimerTest() override = default;
 
-    // This timeout should be used when a 3ms callback is expected.
-    // While the tests typically request a callback after 3ms, the scheduler
-    // does not always cooperate, at it can take significantly longer (observed
-    // 30ms).
-    static constexpr auto waitTimeForExpected3msCallback = 100ms;
-
-    // This timeout should be used when an 3ms callback is not expected.
-    // Note that there can be false-negatives if the callback happens later.
-    static constexpr auto waitTimeForUnexpected3msCallback = 6ms;
-
     AsyncCallRecorder<void (*)()> mResetTimerCallback;
     AsyncCallRecorder<void (*)()> mExpiredTimerCallback;
 
@@ -56,162 +58,179 @@
 
 namespace {
 TEST_F(OneShotTimerTest, createAndDestroyTest) {
+    FakeClock* clock = new FakeClock();
     mIdleTimer = std::make_unique<scheduler::OneShotTimer>(
-            "TestTimer", 3ms, [] {}, [] {});
+            "TestTimer", 3ms, [] {}, [] {}, std::unique_ptr<FakeClock>(clock));
 }
 
 TEST_F(OneShotTimerTest, startStopTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 30ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
-    auto startTime = std::chrono::steady_clock::now();
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
     mIdleTimer->start();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
-    // The idle timer fires after 30ms, so there should be no callback within
-    // 25ms (waiting for a callback for the full 30ms would be problematic).
-    bool callbackCalled = mExpiredTimerCallback.waitForCall(25ms).has_value();
-    // Under ideal conditions there should be no event. But occasionally
-    // it is possible that the wait just prior takes more than 30ms, and
-    // a callback is observed. We check the elapsed time since before the OneShotTimer
-    // thread was started as a sanity check to not have a flakey test.
-    EXPECT_FALSE(callbackCalled && std::chrono::steady_clock::now() - startTime < 30ms);
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
 
-    std::this_thread::sleep_for(std::chrono::milliseconds(25));
-    EXPECT_FALSE(mResetTimerCallback.waitForCall().has_value());
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
+
+    clock->advanceTime(2ms);
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
     mIdleTimer->stop();
 }
 
 TEST_F(OneShotTimerTest, resetTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 20ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
+
     mIdleTimer->start();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
-    // Observe any event that happens in about 25ms. We don't care if one was
-    // observed or not.
-    mExpiredTimerCallback.waitForCall(25ms).has_value();
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
     mIdleTimer->reset();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
-    // There may have been a race with the reset. Clear any callbacks we
-    // received right afterwards.
-    clearPendingCallbacks();
-    // A single callback should be generated after 30ms
-    EXPECT_TRUE(
-            mExpiredTimerCallback.waitForCall(waitTimeForExpected3msCallback + 30ms).has_value());
-    // After one event, it should be idle, and not generate another.
-    EXPECT_FALSE(
-            mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback * 10).has_value());
-    mIdleTimer->stop();
-    // Final quick check that no more callback were observed.
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(0ms).has_value());
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(0ms).has_value());
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
+
+    clock->advanceTime(2ms);
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 }
 
 TEST_F(OneShotTimerTest, resetBackToBackTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 20ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
     mIdleTimer->start();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
 
     mIdleTimer->reset();
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(1ms).has_value());
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
 
     mIdleTimer->reset();
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(1ms).has_value());
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
 
     mIdleTimer->reset();
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(1ms).has_value());
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
 
     mIdleTimer->reset();
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(1ms).has_value());
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 
-    // A single callback should be generated after 30ms
-    EXPECT_TRUE(
-            mExpiredTimerCallback.waitForCall(waitTimeForExpected3msCallback + 30ms).has_value());
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
+
     mIdleTimer->stop();
+    clock->advanceTime(2ms);
     // Final quick check that no more callback were observed.
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(0ms).has_value());
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(0ms).has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 }
 
 TEST_F(OneShotTimerTest, startNotCalledTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 3ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
     // The start hasn't happened, so the callback does not happen.
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
-    EXPECT_FALSE(mResetTimerCallback.waitForCall().has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
     mIdleTimer->stop();
+    clock->advanceTime(2ms);
     // Final quick check that no more callback were observed.
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(0ms).has_value());
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(0ms).has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 }
 
 TEST_F(OneShotTimerTest, idleTimerIdlesTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 3ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
     mIdleTimer->start();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
 
-    // A callback should be generated after 3ms
-    EXPECT_TRUE(mExpiredTimerCallback.waitForCall(waitTimeForExpected3msCallback).has_value());
-    // After one event, it should be idle, and not generate another.
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
-    // Once reset, it should generate another
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
+
     mIdleTimer->reset();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
-    EXPECT_TRUE(mExpiredTimerCallback.waitForCall(waitTimeForExpected3msCallback).has_value());
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
     mIdleTimer->stop();
+    clock->advanceTime(2ms);
     // Final quick check that no more callback were observed.
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(0ms).has_value());
-    EXPECT_FALSE(mResetTimerCallback.waitForCall(0ms).has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 }
 
 TEST_F(OneShotTimerTest, timeoutCallbackExecutionTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 3ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
     mIdleTimer->start();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
-    EXPECT_TRUE(mExpiredTimerCallback.waitForCall(waitTimeForExpected3msCallback).has_value());
+
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
     mIdleTimer->stop();
+    clock->advanceTime(2ms);
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 }
 
 TEST_F(OneShotTimerTest, noCallbacksAfterStopAndResetTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 3ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
     mIdleTimer->start();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
-    EXPECT_TRUE(mExpiredTimerCallback.waitForCall(waitTimeForExpected3msCallback).has_value());
+    clock->advanceTime(2ms);
+    EXPECT_TRUE(mExpiredTimerCallback.waitForCall().has_value());
 
     mIdleTimer->stop();
-    clearPendingCallbacks();
     mIdleTimer->reset();
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
-    EXPECT_FALSE(mResetTimerCallback.waitForCall().has_value());
+    clock->advanceTime(2ms);
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 }
 
 TEST_F(OneShotTimerTest, noCallbacksAfterStopTest) {
-    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 3ms,
+    FakeClock* clock = new FakeClock();
+    mIdleTimer = std::make_unique<scheduler::OneShotTimer>("TestTimer", 1ms,
                                                            mResetTimerCallback.getInvocable(),
-                                                           mExpiredTimerCallback.getInvocable());
+                                                           mExpiredTimerCallback.getInvocable(),
+                                                           std::unique_ptr<FakeClock>(clock));
     mIdleTimer->start();
     EXPECT_TRUE(mResetTimerCallback.waitForCall().has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
 
     mIdleTimer->stop();
-    clearPendingCallbacks();
     mIdleTimer->reset();
 
+    clock->advanceTime(2ms);
     // No more idle events should be observed
-    EXPECT_FALSE(mExpiredTimerCallback.waitForCall(waitTimeForUnexpected3msCallback).has_value());
-    EXPECT_FALSE(mResetTimerCallback.waitForCall().has_value());
+    EXPECT_FALSE(mExpiredTimerCallback.waitForUnexpectedCall().has_value());
+    EXPECT_FALSE(mResetTimerCallback.waitForUnexpectedCall().has_value());
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
index 4e73cbc..188ea75 100644
--- a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
@@ -1051,6 +1051,8 @@
                                       JankType::AppDeadlineMissed | JankType::BufferStuffing, 1, 2,
                                       3});
     mTimeStats->incrementJankyFrames({kRefreshRate0, kRenderRate0, UID_0, genLayerName(LAYER_ID_0),
+                                      JankType::BufferStuffing, 1, 2, 3});
+    mTimeStats->incrementJankyFrames({kRefreshRate0, kRenderRate0, UID_0, genLayerName(LAYER_ID_0),
                                       JankType::None, 1, 2, 3});
 
     std::string pulledData;
@@ -1069,7 +1071,7 @@
     EXPECT_EQ(atom.event_connection_count(), DISPLAY_EVENT_CONNECTIONS);
     EXPECT_THAT(atom.frame_duration(), HistogramEq(buildExpectedHistogram({2}, {1})));
     EXPECT_THAT(atom.render_engine_timing(), HistogramEq(buildExpectedHistogram({1, 2}, {1, 1})));
-    EXPECT_EQ(atom.total_timeline_frames(), 8);
+    EXPECT_EQ(atom.total_timeline_frames(), 9);
     EXPECT_EQ(atom.total_janky_frames(), 7);
     EXPECT_EQ(atom.total_janky_frames_with_long_cpu(), 1);
     EXPECT_EQ(atom.total_janky_frames_with_long_gpu(), 1);
@@ -1077,7 +1079,7 @@
     EXPECT_EQ(atom.total_janky_frames_app_unattributed(), 2);
     EXPECT_EQ(atom.total_janky_frames_sf_scheduling(), 1);
     EXPECT_EQ(atom.total_jank_frames_sf_prediction_error(), 1);
-    EXPECT_EQ(atom.total_jank_frames_app_buffer_stuffing(), 1);
+    EXPECT_EQ(atom.total_jank_frames_app_buffer_stuffing(), 2);
     EXPECT_EQ(atom.display_refresh_rate_bucket(), REFRESH_RATE_BUCKET_0);
     EXPECT_THAT(atom.sf_deadline_misses(), HistogramEq(buildExpectedHistogram({1}, {7})));
     EXPECT_THAT(atom.sf_prediction_errors(), HistogramEq(buildExpectedHistogram({2}, {7})));
@@ -1096,7 +1098,7 @@
     const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
     std::string expectedResult = "totalTimelineFrames = " + std::to_string(0);
     EXPECT_THAT(result, HasSubstr(expectedResult));
-    expectedResult = "totalTimelineFrames = " + std::to_string(8);
+    expectedResult = "totalTimelineFrames = " + std::to_string(9);
     EXPECT_THAT(result, HasSubstr(expectedResult));
     expectedResult = "jankyFrames = " + std::to_string(0);
     EXPECT_THAT(result, HasSubstr(expectedResult));
@@ -1128,7 +1130,7 @@
     EXPECT_THAT(result, HasSubstr(expectedResult));
     expectedResult = "appBufferStuffingJankyFrames = " + std::to_string(0);
     EXPECT_THAT(result, HasSubstr(expectedResult));
-    expectedResult = "appBufferStuffingJankyFrames = " + std::to_string(1);
+    expectedResult = "appBufferStuffingJankyFrames = " + std::to_string(2);
     EXPECT_THAT(result, HasSubstr(expectedResult));
 }