diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 739f9ca..67f12e8 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1082,7 +1082,7 @@
         std::string path(title);
         path.append(" - ").append(String8(service).c_str());
         size_t bytes_written = 0;
-        status_t status = dumpsys.startDumpThread(service, args);
+        status_t status = dumpsys.startDumpThread(Dumpsys::Type::DUMP, service, args);
         if (status == OK) {
             dumpsys.writeDumpHeader(STDOUT_FILENO, service, priority);
             std::chrono::duration<double> elapsed_seconds;
@@ -1154,7 +1154,7 @@
             path.append("_HIGH");
         }
         path.append(kProtoExt);
-        status_t status = dumpsys.startDumpThread(service, args);
+        status_t status = dumpsys.startDumpThread(Dumpsys::Type::DUMP, service, args);
         if (status == OK) {
             status = ds.AddZipEntryFromFd(path, dumpsys.getDumpFd(), service_timeout);
             bool dumpTerminated = (status == OK);
diff --git a/cmds/dumpsys/dumpsys.cpp b/cmds/dumpsys/dumpsys.cpp
index 9f65425..abdf168 100644
--- a/cmds/dumpsys/dumpsys.cpp
+++ b/cmds/dumpsys/dumpsys.cpp
@@ -59,12 +59,13 @@
             "usage: dumpsys\n"
             "         To dump all services.\n"
             "or:\n"
-            "       dumpsys [-t TIMEOUT] [--priority LEVEL] [--help | -l | --skip SERVICES | "
-            "SERVICE [ARGS]]\n"
+            "       dumpsys [-t TIMEOUT] [--priority LEVEL] [--pid] [--help | -l | --skip SERVICES "
+            "| SERVICE [ARGS]]\n"
             "         --help: shows this help\n"
             "         -l: only list services, do not dump them\n"
             "         -t TIMEOUT_SEC: TIMEOUT to use in seconds instead of default 10 seconds\n"
             "         -T TIMEOUT_MS: TIMEOUT to use in milliseconds instead of default 10 seconds\n"
+            "         --pid: dump PID instead of usual dump\n"
             "         --proto: filter services that support dumping data in proto format. Dumps\n"
             "               will be in proto format.\n"
             "         --priority LEVEL: filter services based on specified priority\n"
@@ -120,9 +121,11 @@
     bool showListOnly = false;
     bool skipServices = false;
     bool asProto = false;
+    Type type = Type::DUMP;
     int timeoutArgMs = 10000;
     int priorityFlags = IServiceManager::DUMP_FLAG_PRIORITY_ALL;
-    static struct option longOptions[] = {{"priority", required_argument, 0, 0},
+    static struct option longOptions[] = {{"pid", no_argument, 0, 0},
+                                          {"priority", required_argument, 0, 0},
                                           {"proto", no_argument, 0, 0},
                                           {"skip", no_argument, 0, 0},
                                           {"help", no_argument, 0, 0},
@@ -157,6 +160,8 @@
                     usage();
                     return -1;
                 }
+            } else if (!strcmp(longOptions[optionIndex].name, "pid")) {
+                type = Type::PID;
             }
             break;
 
@@ -246,7 +251,7 @@
         const String16& serviceName = services[i];
         if (IsSkipped(skippedServices, serviceName)) continue;
 
-        if (startDumpThread(serviceName, args) == OK) {
+        if (startDumpThread(type, serviceName, args) == OK) {
             bool addSeparator = (N > 1);
             if (addSeparator) {
                 writeDumpHeader(STDOUT_FILENO, serviceName, priorityFlags);
@@ -313,7 +318,18 @@
     }
 }
 
-status_t Dumpsys::startDumpThread(const String16& serviceName, const Vector<String16>& args) {
+static status_t dumpPidToFd(const sp<IBinder>& service, const unique_fd& fd) {
+     pid_t pid;
+     status_t status = service->getDebugPid(&pid);
+     if (status != OK) {
+         return status;
+     }
+     WriteStringToFd(std::to_string(pid) + "\n", fd.get());
+     return OK;
+}
+
+status_t Dumpsys::startDumpThread(Type type, const String16& serviceName,
+                                  const Vector<String16>& args) {
     sp<IBinder> service = sm_->checkService(serviceName);
     if (service == nullptr) {
         aerr << "Can't find service: " << serviceName << endl;
@@ -333,16 +349,22 @@
 
     // dump blocks until completion, so spawn a thread..
     activeThread_ = std::thread([=, remote_end{std::move(remote_end)}]() mutable {
-        int err = service->dump(remote_end.get(), args);
+        status_t err = 0;
 
-        // It'd be nice to be able to close the remote end of the socketpair before the dump
-        // call returns, to terminate our reads if the other end closes their copy of the
-        // file descriptor, but then hangs for some reason. There doesn't seem to be a good
-        // way to do this, though.
-        remote_end.reset();
+        switch (type) {
+        case Type::DUMP:
+            err = service->dump(remote_end.get(), args);
+            break;
+        case Type::PID:
+            err = dumpPidToFd(service, remote_end);
+            break;
+        default:
+            aerr << "Unknown dump type" << static_cast<int>(type) << endl;
+            return;
+        }
 
-        if (err != 0) {
-            aerr << "Error dumping service info: (" << strerror(err) << ") "
+        if (err != OK) {
+            aerr << "Error dumping service info status_t: (" << err << ") "
                  << serviceName << endl;
         }
     });
diff --git a/cmds/dumpsys/dumpsys.h b/cmds/dumpsys/dumpsys.h
index c48a1e9..929c55c 100644
--- a/cmds/dumpsys/dumpsys.h
+++ b/cmds/dumpsys/dumpsys.h
@@ -51,6 +51,11 @@
      */
     static void setServiceArgs(Vector<String16>& args, bool asProto, int priorityFlags);
 
+    enum class Type {
+        DUMP,  // dump using `dump` function
+        PID,   // dump pid of server only
+    };
+
     /**
      * Starts a thread to connect to a service and get its dump output. The thread redirects
      * the output to a pipe. Thread must be stopped by a subsequent callto {@code
@@ -61,7 +66,8 @@
      *         {@code NAME_NOT_FOUND} service could not be found.
      *         {@code != OK} error
      */
-    status_t startDumpThread(const String16& serviceName, const Vector<String16>& args);
+    status_t startDumpThread(Type type, const String16& serviceName,
+                             const Vector<String16>& args);
 
     /**
      * Writes a section header to a file descriptor.
diff --git a/cmds/dumpsys/tests/dumpsys_test.cpp b/cmds/dumpsys/tests/dumpsys_test.cpp
index cbac839..cf4e0b5 100644
--- a/cmds/dumpsys/tests/dumpsys_test.cpp
+++ b/cmds/dumpsys/tests/dumpsys_test.cpp
@@ -194,7 +194,7 @@
         CaptureStdout();
         CaptureStderr();
         dump_.setServiceArgs(args, supportsProto, priorityFlags);
-        status_t status = dump_.startDumpThread(serviceName, args);
+        status_t status = dump_.startDumpThread(Dumpsys::Type::DUMP, serviceName, args);
         EXPECT_THAT(status, Eq(0));
         status = dump_.writeDump(STDOUT_FILENO, serviceName, std::chrono::milliseconds(500), false,
                                  elapsedDuration, bytesWritten);
@@ -539,6 +539,27 @@
     AssertDumpedWithPriority("runninghigh2", "dump2", PriorityDumper::PRIORITY_ARG_HIGH);
 }
 
+// Tests 'dumpsys --pid'
+TEST_F(DumpsysTest, ListAllServicesWithPid) {
+    ExpectListServices({"Locksmith", "Valet"});
+    ExpectCheckService("Locksmith");
+    ExpectCheckService("Valet");
+
+    CallMain({"--pid"});
+
+    AssertRunningServices({"Locksmith", "Valet"});
+    AssertOutputContains(std::to_string(getpid()));
+}
+
+// Tests 'dumpsys --pid service_name'
+TEST_F(DumpsysTest, ListServiceWithPid) {
+    ExpectCheckService("Locksmith");
+
+    CallMain({"--pid", "Locksmith"});
+
+    AssertOutput(std::to_string(getpid()) + "\n");
+}
+
 TEST_F(DumpsysTest, GetBytesWritten) {
     const char* serviceName = "service2";
     const char* dumpContents = "dump1";
@@ -563,4 +584,4 @@
         dump_.writeDump(STDOUT_FILENO, String16("service"), std::chrono::milliseconds(500),
                         /* as_proto = */ false, elapsedDuration, bytesWritten);
     EXPECT_THAT(status, Eq(INVALID_OPERATION));
-}
\ No newline at end of file
+}
diff --git a/libs/android_runtime_lazy/Android.bp b/libs/android_runtime_lazy/Android.bp
index 2d6292c..09a5f39 100644
--- a/libs/android_runtime_lazy/Android.bp
+++ b/libs/android_runtime_lazy/Android.bp
@@ -52,10 +52,6 @@
         "libutils",
     ],
 
-    required: [
-        "libandroid_runtime",
-    ],
-
     export_include_dirs: [
         "include",
     ],
diff --git a/libs/binder/BpBinder.cpp b/libs/binder/BpBinder.cpp
index 50c7053..238c9dc 100644
--- a/libs/binder/BpBinder.cpp
+++ b/libs/binder/BpBinder.cpp
@@ -214,16 +214,21 @@
 {
     // Once a binder has died, it will never come back to life.
     if (mAlive) {
+        bool privateVendor = flags & FLAG_PRIVATE_VENDOR;
+        // don't send userspace flags to the kernel
+        flags = flags & ~FLAG_PRIVATE_VENDOR;
+
         // user transactions require a given stability level
         if (code >= FIRST_CALL_TRANSACTION && code <= LAST_CALL_TRANSACTION) {
             using android::internal::Stability;
 
             auto stability = Stability::get(this);
+            auto required = privateVendor ? Stability::VENDOR : Stability::kLocalStability;
 
-            if (CC_UNLIKELY(!Stability::check(stability, Stability::kLocalStability))) {
+            if (CC_UNLIKELY(!Stability::check(stability, required))) {
                 ALOGE("Cannot do a user transaction on a %s binder in a %s context.",
                     Stability::stabilityString(stability).c_str(),
-                    Stability::stabilityString(Stability::kLocalStability).c_str());
+                    Stability::stabilityString(required).c_str());
                 return BAD_TYPE;
             }
         }
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index e5c7d74..6345640 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -50,10 +50,6 @@
 #include <private/binder/binder_module.h>
 #include "Static.h"
 
-#ifndef INT32_MAX
-#define INT32_MAX ((int32_t)(2147483647))
-#endif
-
 #define LOG_REFS(...)
 //#define LOG_REFS(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)
 #define LOG_ALLOC(...)
@@ -750,61 +746,37 @@
   return writeUtf8AsUtf16(*str);
 }
 
-namespace {
-
-template<typename T>
-status_t writeByteVectorInternal(Parcel* parcel, const std::vector<T>& val)
-{
-    status_t status;
-    if (val.size() > std::numeric_limits<int32_t>::max()) {
-        status = BAD_VALUE;
-        return status;
+status_t Parcel::writeByteVectorInternal(const int8_t* data, size_t size) {
+    if (size > std::numeric_limits<int32_t>::max()) {
+        return BAD_VALUE;
     }
 
-    status = parcel->writeInt32(val.size());
+    status_t status = writeInt32(size);
     if (status != OK) {
         return status;
     }
 
-    void* data = parcel->writeInplace(val.size());
-    if (!data) {
-        status = BAD_VALUE;
-        return status;
-    }
-
-    memcpy(data, val.data(), val.size());
-    return status;
+    return write(data, size);
 }
 
-template<typename T>
-status_t writeByteVectorInternalPtr(Parcel* parcel,
-                                    const std::unique_ptr<std::vector<T>>& val)
-{
-    if (!val) {
-        return parcel->writeInt32(-1);
-    }
-
-    return writeByteVectorInternal(parcel, *val);
-}
-
-}  // namespace
-
 status_t Parcel::writeByteVector(const std::vector<int8_t>& val) {
-    return writeByteVectorInternal(this, val);
+    return writeByteVectorInternal(val.data(), val.size());
 }
 
 status_t Parcel::writeByteVector(const std::unique_ptr<std::vector<int8_t>>& val)
 {
-    return writeByteVectorInternalPtr(this, val);
+    if (!val) return writeInt32(-1);
+    return writeByteVectorInternal(val->data(), val->size());
 }
 
 status_t Parcel::writeByteVector(const std::vector<uint8_t>& val) {
-    return writeByteVectorInternal(this, val);
+    return writeByteVectorInternal(reinterpret_cast<const int8_t*>(val.data()), val.size());
 }
 
 status_t Parcel::writeByteVector(const std::unique_ptr<std::vector<uint8_t>>& val)
 {
-    return writeByteVectorInternalPtr(this, val);
+    if (!val) return writeInt32(-1);
+    return writeByteVectorInternal(reinterpret_cast<const int8_t*>(val->data()), val->size());
 }
 
 status_t Parcel::writeInt32Vector(const std::vector<int32_t>& val)
@@ -1477,81 +1449,41 @@
     return err;
 }
 
-namespace {
-
-template<typename T>
-status_t readByteVectorInternal(const Parcel* parcel,
-                                std::vector<T>* val) {
-    val->clear();
-
-    int32_t size;
-    status_t status = parcel->readInt32(&size);
-
-    if (status != OK) {
-        return status;
+status_t Parcel::readByteVectorInternal(int8_t* data, size_t size) const {
+    if (size_t(size) > dataAvail()) {
+      return BAD_VALUE;
     }
-
-    if (size < 0) {
-        status = UNEXPECTED_NULL;
-        return status;
-    }
-    if (size_t(size) > parcel->dataAvail()) {
-        status = BAD_VALUE;
-        return status;
-    }
-
-    T* data = const_cast<T*>(reinterpret_cast<const T*>(parcel->readInplace(size)));
-    if (!data) {
-        status = BAD_VALUE;
-        return status;
-    }
-    val->reserve(size);
-    val->insert(val->end(), data, data + size);
-
-    return status;
+    return read(data, size);
 }
 
-template<typename T>
-status_t readByteVectorInternalPtr(
-        const Parcel* parcel,
-        std::unique_ptr<std::vector<T>>* val) {
-    const int32_t start = parcel->dataPosition();
-    int32_t size;
-    status_t status = parcel->readInt32(&size);
-    val->reset();
-
-    if (status != OK || size < 0) {
-        return status;
-    }
-
-    parcel->setDataPosition(start);
-    val->reset(new (std::nothrow) std::vector<T>());
-
-    status = readByteVectorInternal(parcel, val->get());
-
-    if (status != OK) {
-        val->reset();
-    }
-
-    return status;
-}
-
-}  // namespace
-
 status_t Parcel::readByteVector(std::vector<int8_t>* val) const {
-    return readByteVectorInternal(this, val);
+    if (status_t status = resizeOutVector(val); status != OK) return status;
+    return readByteVectorInternal(val->data(), val->size());
 }
 
 status_t Parcel::readByteVector(std::vector<uint8_t>* val) const {
-    return readByteVectorInternal(this, val);
+    if (status_t status = resizeOutVector(val); status != OK) return status;
+    return readByteVectorInternal(reinterpret_cast<int8_t*>(val->data()), val->size());
 }
 
 status_t Parcel::readByteVector(std::unique_ptr<std::vector<int8_t>>* val) const {
-    return readByteVectorInternalPtr(this, val);
+    if (status_t status = resizeOutVector(val); status != OK) return status;
+    if (val->get() == nullptr) {
+        // resizeOutVector does not create the out vector if size is < 0.
+        // This occurs when writing a null byte vector.
+        return OK;
+    }
+    return readByteVectorInternal((*val)->data(), (*val)->size());
 }
 
 status_t Parcel::readByteVector(std::unique_ptr<std::vector<uint8_t>>* val) const {
-    return readByteVectorInternalPtr(this, val);
+    if (status_t status = resizeOutVector(val); status != OK) return status;
+    if (val->get() == nullptr) {
+        // resizeOutVector does not create the out vector if size is < 0.
+        // This occurs when writing a null byte vector.
+        return OK;
+    }
+    return readByteVectorInternal(reinterpret_cast<int8_t*>((*val)->data()), (*val)->size());
 }
 
 status_t Parcel::readInt32Vector(std::unique_ptr<std::vector<int32_t>>* val) const {
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index 136bdb0..b3afd81 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -4,6 +4,9 @@
       "name": "binderSafeInterfaceTest"
     },
     {
+      "name": "binderVendorDoubleLoadTest"
+    },
+    {
       "name": "binderDriverInterfaceTest"
     },
     {
@@ -14,6 +17,9 @@
     },
     {
       "name": "binderStabilityTest"
+    },
+    {
+      "name": "CtsNdkBinderTestCases"
     }
   ]
 }
diff --git a/libs/binder/include/binder/IBinder.h b/libs/binder/include/binder/IBinder.h
index 64f3052..64604b7 100644
--- a/libs/binder/include/binder/IBinder.h
+++ b/libs/binder/include/binder/IBinder.h
@@ -62,7 +62,11 @@
         DEBUG_PID_TRANSACTION   = B_PACK_CHARS('_', 'P', 'I', 'D'),
 
         // Corresponds to TF_ONE_WAY -- an asynchronous call.
-        FLAG_ONEWAY             = 0x00000001
+        FLAG_ONEWAY             = 0x00000001,
+
+        // Private userspace flag for transaction which is being requested from
+        // a vendor context.
+        FLAG_PRIVATE_VENDOR     = 0x10000000,
     };
 
                           IBinder();
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index 8726681..0f8abab 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -19,6 +19,7 @@
 
 #include <map> // for legacy reasons
 #include <string>
+#include <type_traits>
 #include <vector>
 
 #include <android-base/unique_fd.h>
@@ -157,6 +158,18 @@
     status_t            writeStrongBinderVector(const std::unique_ptr<std::vector<sp<IBinder>>>& val);
     status_t            writeStrongBinderVector(const std::vector<sp<IBinder>>& val);
 
+    // Write an Enum vector with underlying type int8_t.
+    // Does not use padding; each byte is contiguous.
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            writeEnumVector(const std::vector<T>& val);
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            writeEnumVector(const std::unique_ptr<std::vector<T>>& val);
+    // Write an Enum vector with underlying type != int8_t.
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            writeEnumVector(const std::vector<T>& val);
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            writeEnumVector(const std::unique_ptr<std::vector<T>>& val);
+
     template<typename T>
     status_t            writeParcelableVector(const std::unique_ptr<std::vector<std::unique_ptr<T>>>& val);
     template<typename T>
@@ -275,6 +288,19 @@
     status_t            readStrongBinder(sp<IBinder>* val) const;
     status_t            readNullableStrongBinder(sp<IBinder>* val) const;
 
+
+    // Read an Enum vector with underlying type int8_t.
+    // Does not use padding; each byte is contiguous.
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            readEnumVector(std::vector<T>* val) const;
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            readEnumVector(std::unique_ptr<std::vector<T>>* val) const;
+    // Read an Enum vector with underlying type != int8_t.
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            readEnumVector(std::vector<T>* val) const;
+    template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool> = 0>
+    status_t            readEnumVector(std::unique_ptr<std::vector<T>>* val) const;
+
     template<typename T>
     status_t            readParcelableVector(
                             std::unique_ptr<std::vector<std::unique_ptr<T>>>* val) const;
@@ -438,6 +464,19 @@
     status_t            writeRawNullableParcelable(const Parcelable*
                                                    parcelable);
 
+    template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int32_t>, bool> = 0>
+    status_t            writeEnum(const T& val);
+    template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int64_t>, bool> = 0>
+    status_t            writeEnum(const T& val);
+
+    template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int32_t>, bool> = 0>
+    status_t            readEnum(T* pArg) const;
+    template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int64_t>, bool> = 0>
+    status_t            readEnum(T* pArg) const;
+
+    status_t writeByteVectorInternal(const int8_t* data, size_t size);
+    status_t readByteVectorInternal(int8_t* data, size_t size) const;
+
     template<typename T, typename U>
     status_t            unsafeReadTypedVector(std::vector<T>* val,
                                               status_t(Parcel::*read_func)(U*) const) const;
@@ -913,6 +952,66 @@
     return unsafeWriteTypedVector(*val, &Parcel::writeNullableParcelable<T>);
 }
 
+template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int32_t>, bool>>
+status_t Parcel::writeEnum(const T& val) {
+    return writeInt32(static_cast<int32_t>(val));
+}
+template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int64_t>, bool>>
+status_t Parcel::writeEnum(const T& val) {
+    return writeInt64(static_cast<int64_t>(val));
+}
+
+template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::writeEnumVector(const std::vector<T>& val) {
+    return writeByteVectorInternal(reinterpret_cast<const int8_t*>(val.data()), val.size());
+}
+template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::writeEnumVector(const std::unique_ptr<std::vector<T>>& val) {
+    if (!val) return writeInt32(-1);
+    return writeByteVectorInternal(reinterpret_cast<const int8_t*>(val->data()), val->size());
+}
+template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::writeEnumVector(const std::vector<T>& val) {
+    return writeTypedVector(val, &Parcel::writeEnum);
+}
+template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::writeEnumVector(const std::unique_ptr<std::vector<T>>& val) {
+    return writeNullableTypedVector(val, &Parcel::writeEnum);
+}
+
+template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int32_t>, bool>>
+status_t Parcel::readEnum(T* pArg) const {
+    return readInt32(reinterpret_cast<int32_t *>(pArg));
+}
+template<typename T, std::enable_if_t<std::is_same_v<typename std::underlying_type_t<T>,int64_t>, bool>>
+status_t Parcel::readEnum(T* pArg) const {
+    return readInt64(reinterpret_cast<int64_t *>(pArg));
+}
+
+template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::readEnumVector(std::vector<T>* val) const {
+    if (status_t status = resizeOutVector(val); status != OK) return status;
+    return readByteVectorInternal(reinterpret_cast<int8_t*>(val->data()), val->size());
+}
+template<typename T, std::enable_if_t<std::is_enum_v<T> && std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::readEnumVector(std::unique_ptr<std::vector<T>>* val) const {
+    if (status_t status = resizeOutVector(val); status != OK) return status;
+    if (val->get() == nullptr) {
+        // resizeOutVector does not create the out vector if size is < 0.
+        // This occurs when writing a null Enum vector.
+        return OK;
+    }
+    return readByteVectorInternal(reinterpret_cast<int8_t*>((*val)->data()), (*val)->size());
+}
+template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::readEnumVector(std::vector<T>* val) const {
+    return readTypedVector(val, &Parcel::readEnum);
+}
+template<typename T, std::enable_if_t<std::is_enum_v<T> && !std::is_same_v<typename std::underlying_type_t<T>,int8_t>, bool>>
+status_t Parcel::readEnumVector(std::unique_ptr<std::vector<T>>* val) const {
+    return readNullableTypedVector(val, &Parcel::readEnum);
+}
+
 // ---------------------------------------------------------------------------
 
 inline TextOutput& operator<<(TextOutput& to, const Parcel& parcel)
diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index b06ca86..e752c45 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -17,6 +17,7 @@
 #include <android/binder_ibinder.h>
 #include "ibinder_internal.h"
 
+#include <android/binder_stability.h>
 #include <android/binder_status.h>
 #include "parcel_internal.h"
 #include "status_internal.h"
@@ -542,7 +543,8 @@
         return STATUS_UNKNOWN_TRANSACTION;
     }
 
-    if ((flags & ~FLAG_ONEWAY) != 0) {
+    constexpr binder_flags_t kAllFlags = FLAG_PRIVATE_VENDOR | FLAG_ONEWAY;
+    if ((flags & ~kAllFlags) != 0) {
         LOG(ERROR) << __func__ << ": Unrecognized flags sent: " << flags;
         return STATUS_BAD_VALUE;
     }
diff --git a/libs/binder/ndk/include_ndk/android/binder_auto_utils.h b/libs/binder/ndk/include_ndk/android/binder_auto_utils.h
index c6868b0..dc3c8d2 100644
--- a/libs/binder/ndk/include_ndk/android/binder_auto_utils.h
+++ b/libs/binder/ndk/include_ndk/android/binder_auto_utils.h
@@ -201,7 +201,22 @@
     /**
      * See AStatus_isOk.
      */
-    bool isOk() { return get() != nullptr && AStatus_isOk(get()); }
+    bool isOk() const { return get() != nullptr && AStatus_isOk(get()); }
+
+    /**
+     * See AStatus_getExceptionCode
+     */
+    binder_exception_t getExceptionCode() const { return AStatus_getExceptionCode(get()); }
+
+    /**
+     * See AStatus_getServiceSpecificError
+     */
+    int32_t getServiceSpecificError() const { return AStatus_getServiceSpecificError(get()); }
+
+    /**
+     * See AStatus_getStatus
+     */
+    binder_status_t getStatus() const { return AStatus_getStatus(get()); }
 
     /**
      * Convenience method for okay status.
diff --git a/libs/binder/ndk/include_platform/android/binder_stability.h b/libs/binder/ndk/include_platform/android/binder_stability.h
index b03fce1..e1a8cfd 100644
--- a/libs/binder/ndk/include_platform/android/binder_stability.h
+++ b/libs/binder/ndk/include_platform/android/binder_stability.h
@@ -20,7 +20,21 @@
 
 __BEGIN_DECLS
 
-#if defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+/**
+ * Private addition to binder_flag_t.
+ */
+enum {
+    /**
+     * Indicates that this transaction is coupled w/ vendor.img
+     */
+    FLAG_PRIVATE_VENDOR = 0x10000000,
+};
+
+#if (defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__))
+
+enum {
+    FLAG_PRIVATE_LOCAL = FLAG_PRIVATE_VENDOR,
+};
 
 /**
  * This interface has the stability of the vendor image.
@@ -33,6 +47,10 @@
 
 #else  // defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
 
+enum {
+    FLAG_PRIVATE_LOCAL = 0,
+};
+
 /**
  * This interface has the stability of the system image.
  */
diff --git a/libs/binder/ndk/test/Android.bp b/libs/binder/ndk/test/Android.bp
index bb1fe2f..1c5dba3 100644
--- a/libs/binder/ndk/test/Android.bp
+++ b/libs/binder/ndk/test/Android.bp
@@ -67,3 +67,31 @@
     srcs: ["main_server.cpp"],
     gtest: false,
 }
+
+cc_test {
+    name: "binderVendorDoubleLoadTest",
+    vendor: true,
+    srcs: [
+        "binderVendorDoubleLoadTest.cpp",
+    ],
+    static_libs: [
+        "IBinderVendorDoubleLoadTest-cpp",
+        "IBinderVendorDoubleLoadTest-ndk_platform",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "libbinder_ndk",
+        "libutils",
+    ],
+    test_suites: ["device-tests"],
+}
+
+aidl_interface {
+    name: "IBinderVendorDoubleLoadTest",
+    // TODO(b/119771576): only vendor is needed
+    vendor_available: true,
+    srcs: [
+        "IBinderVendorDoubleLoadTest.aidl",
+    ],
+}
diff --git a/libs/binder/ndk/test/AndroidTest.xml b/libs/binder/ndk/test/AndroidTest.xml
new file mode 100644
index 0000000..89646f7
--- /dev/null
+++ b/libs/binder/ndk/test/AndroidTest.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Runs binderVendorDoubleLoadTest.">
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-suite-tag" value="apct-native" />
+
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="binderVendorDoubleLoadTest->/data/nativetest/vendor/binderVendorDoubleLoadTest" />
+    </target_preparer>
+
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/nativetest/vendor" />
+        <option name="module-name" value="binderVendorDoubleLoadTest" />
+    </test>
+</configuration>
+
diff --git a/libs/binder/ndk/test/IBinderVendorDoubleLoadTest.aidl b/libs/binder/ndk/test/IBinderVendorDoubleLoadTest.aidl
new file mode 100644
index 0000000..3a5bd9c
--- /dev/null
+++ b/libs/binder/ndk/test/IBinderVendorDoubleLoadTest.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+interface IBinderVendorDoubleLoadTest {
+    @utf8InCpp String RepeatString(@utf8InCpp String toRepeat);
+}
diff --git a/libs/binder/ndk/test/binderVendorDoubleLoadTest.cpp b/libs/binder/ndk/test/binderVendorDoubleLoadTest.cpp
new file mode 100644
index 0000000..f72dc36
--- /dev/null
+++ b/libs/binder/ndk/test/binderVendorDoubleLoadTest.cpp
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <BnBinderVendorDoubleLoadTest.h>
+#include <aidl/BnBinderVendorDoubleLoadTest.h>
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+#include <android-base/strings.h>
+#include <android/binder_ibinder.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+#include <android/binder_stability.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+#include <binder/ProcessState.h>
+#include <binder/Stability.h>
+#include <binder/Status.h>
+#include <gtest/gtest.h>
+
+#include <sys/prctl.h>
+
+using namespace android;
+using ::android::base::EndsWith;
+using ::android::base::GetProperty;
+using ::android::base::Split;
+using ::android::binder::Status;
+using ::android::internal::Stability;
+using ::ndk::ScopedAStatus;
+using ::ndk::SharedRefBase;
+using ::ndk::SpAIBinder;
+
+static const std::string kLocalNdkServerName = "NdkServer-local-IBinderVendorDoubleLoadTest";
+static const std::string kRemoteNdkServerName = "NdkServer-remote-IBinderVendorDoubleLoadTest";
+
+class NdkServer : public aidl::BnBinderVendorDoubleLoadTest {
+    ScopedAStatus RepeatString(const std::string& in, std::string* out) override {
+        *out = in;
+        return ScopedAStatus::ok();
+    }
+};
+class CppServer : public BnBinderVendorDoubleLoadTest {
+    Status RepeatString(const std::string& in, std::string* out) override {
+        *out = in;
+        return Status::ok();
+    }
+};
+
+TEST(DoubleBinder, VendorCppCantCallIntoSystem) {
+    Vector<String16> services = defaultServiceManager()->listServices();
+    EXPECT_TRUE(services.empty());
+}
+
+TEST(DoubleBinder, VendorCppCantRegisterService) {
+    sp<CppServer> cppServer = new CppServer;
+    status_t status = defaultServiceManager()->addService(String16("anything"), cppServer);
+    EXPECT_EQ(EX_TRANSACTION_FAILED, status);
+}
+
+TEST(DoubleBinder, CppVendorCantManuallyMarkVintfStability) {
+    // this test also implies that stability logic is turned on in vendor
+    ASSERT_DEATH(
+            {
+                sp<IBinder> binder = new CppServer();
+                Stability::markVintf(binder.get());
+            },
+            "Should only mark known object.");
+}
+
+TEST(DoubleBinder, NdkVendorCantManuallyMarkVintfStability) {
+    // this test also implies that stability logic is turned on in vendor
+    ASSERT_DEATH(
+            {
+                std::shared_ptr<NdkServer> ndkServer = SharedRefBase::make<NdkServer>();
+                AIBinder_markVintfStability(ndkServer->asBinder().get());
+            },
+            "Should only mark known object.");
+}
+
+TEST(DoubleBinder, CallIntoNdk) {
+    for (const std::string& serviceName : {kLocalNdkServerName, kRemoteNdkServerName}) {
+        SpAIBinder binder = SpAIBinder(AServiceManager_checkService(serviceName.c_str()));
+        ASSERT_NE(nullptr, binder.get()) << serviceName;
+        EXPECT_EQ(STATUS_OK, AIBinder_ping(binder.get())) << serviceName;
+
+        std::shared_ptr<aidl::IBinderVendorDoubleLoadTest> server =
+                aidl::IBinderVendorDoubleLoadTest::fromBinder(binder);
+
+        ASSERT_NE(nullptr, server.get()) << serviceName;
+
+        EXPECT_EQ(STATUS_OK, AIBinder_ping(server->asBinder().get()));
+
+        std::string outString;
+        ScopedAStatus status = server->RepeatString("foo", &outString);
+        EXPECT_EQ(STATUS_OK, AStatus_getExceptionCode(status.get())) << serviceName;
+        EXPECT_EQ("foo", outString) << serviceName;
+    }
+}
+
+void initDrivers() {
+    // Explicitly instantiated with the same driver that system would use.
+    // __ANDROID_VNDK__ right now uses /dev/vndbinder by default.
+    ProcessState::initWithDriver("/dev/binder");
+    ProcessState::self()->startThreadPool();
+    ABinderProcess_startThreadPool();
+}
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+
+    if (fork() == 0) {
+        // child process
+
+        prctl(PR_SET_PDEATHSIG, SIGHUP);
+
+        initDrivers();
+
+        // REMOTE SERVERS
+        std::shared_ptr<NdkServer> ndkServer = SharedRefBase::make<NdkServer>();
+        CHECK(STATUS_OK == AServiceManager_addService(ndkServer->asBinder().get(),
+                                                      kRemoteNdkServerName.c_str()));
+
+        // OR sleep forever or whatever, it doesn't matter
+        IPCThreadState::self()->joinThreadPool(true);
+        exit(1);  // should not reach
+    }
+
+    sleep(1);
+
+    initDrivers();
+
+    // LOCAL SERVERS
+    std::shared_ptr<NdkServer> ndkServer = SharedRefBase::make<NdkServer>();
+    AServiceManager_addService(ndkServer->asBinder().get(), kLocalNdkServerName.c_str());
+
+    return RUN_ALL_TESTS();
+}
diff --git a/libs/nativewindow/AHardwareBuffer.cpp b/libs/nativewindow/AHardwareBuffer.cpp
index 9bd3095..1ec73ce 100644
--- a/libs/nativewindow/AHardwareBuffer.cpp
+++ b/libs/nativewindow/AHardwareBuffer.cpp
@@ -266,10 +266,10 @@
 
     char buf[CMSG_SPACE(kFdBufferSize)];
     struct msghdr msg = {
-            .msg_control = buf,
-            .msg_controllen = sizeof(buf),
             .msg_iov = &iov[0],
             .msg_iovlen = 1,
+            .msg_control = buf,
+            .msg_controllen = sizeof(buf),
     };
 
     struct cmsghdr* cmsg = CMSG_FIRSTHDR(&msg);
@@ -306,10 +306,10 @@
     iov[0].iov_len = kMessageBufferSize;
 
     struct msghdr msg = {
-            .msg_control = fdBuf,
-            .msg_controllen = sizeof(fdBuf),
             .msg_iov = &iov[0],
             .msg_iovlen = 1,
+            .msg_control = fdBuf,
+            .msg_controllen = sizeof(fdBuf),
     };
 
     int result;
diff --git a/services/inputflinger/host/InputDriver.cpp b/services/inputflinger/host/InputDriver.cpp
index 2f046c3..683c05d 100644
--- a/services/inputflinger/host/InputDriver.cpp
+++ b/services/inputflinger/host/InputDriver.cpp
@@ -127,10 +127,10 @@
             input_bus_t bus, const char* uniqueId) {
     auto identifier = new ::input_device_identifier {
         .name = name,
-        .productId = productId,
-        .vendorId = vendorId,
-        .bus = bus,
         .uniqueId = uniqueId,
+        .bus = bus,
+        .vendorId = vendorId,
+        .productId = productId,
     };
     // TODO: store this identifier somewhere
     return identifier;