diff --git a/debuggerd/crasher/Android.bp b/debuggerd/crasher/Android.bp
index 3af806b..fe1689c 100644
--- a/debuggerd/crasher/Android.bp
+++ b/debuggerd/crasher/Android.bp
@@ -15,6 +15,7 @@
         "-fstack-protector-all",
         "-Wno-date-time",
     ],
+    tidy: false,  // crasher.cpp tests many memory access errors
     srcs: ["crasher.cpp"],
     arch: {
         arm: {
diff --git a/fastboot/socket_test.cpp b/fastboot/socket_test.cpp
index 373abc3..74ff377 100644
--- a/fastboot/socket_test.cpp
+++ b/fastboot/socket_test.cpp
@@ -293,23 +293,23 @@
 }
 
 TEST(SocketMockTest, TestSendFailure) {
-    SocketMock* mock = new SocketMock;
+    std::unique_ptr<SocketMock> mock(new SocketMock);
 
     mock->ExpectSendFailure("foo");
-    EXPECT_FALSE(SendString(mock, "foo"));
+    EXPECT_FALSE(SendString(mock.get(), "foo"));
 
-    EXPECT_NONFATAL_FAILURE(SendString(mock, "foo"), "no message was expected");
+    EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "foo"), "no message was expected");
 
     mock->ExpectSend("foo");
-    EXPECT_NONFATAL_FAILURE(SendString(mock, "bar"), "expected foo, but got bar");
-    EXPECT_TRUE(SendString(mock, "foo"));
+    EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "bar"), "expected foo, but got bar");
+    EXPECT_TRUE(SendString(mock.get(), "foo"));
 
     mock->AddReceive("foo");
-    EXPECT_NONFATAL_FAILURE(SendString(mock, "foo"), "called out-of-order");
-    EXPECT_TRUE(ReceiveString(mock, "foo"));
+    EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "foo"), "called out-of-order");
+    EXPECT_TRUE(ReceiveString(mock.get(), "foo"));
 
     mock->ExpectSend("foo");
-    EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+    EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
 }
 
 TEST(SocketMockTest, TestReceiveSuccess) {
@@ -331,33 +331,33 @@
 }
 
 TEST(SocketMockTest, TestReceiveFailure) {
-    SocketMock* mock = new SocketMock;
+    std::unique_ptr<SocketMock> mock(new SocketMock);
 
     mock->AddReceiveFailure();
-    EXPECT_FALSE(ReceiveString(mock, "foo"));
+    EXPECT_FALSE(ReceiveString(mock.get(), "foo"));
     EXPECT_FALSE(mock->ReceiveTimedOut());
 
     mock->AddReceiveTimeout();
-    EXPECT_FALSE(ReceiveString(mock, "foo"));
+    EXPECT_FALSE(ReceiveString(mock.get(), "foo"));
     EXPECT_TRUE(mock->ReceiveTimedOut());
 
     mock->AddReceive("foo");
     mock->AddReceiveFailure();
-    EXPECT_FALSE(ReceiveString(mock, "foobar"));
+    EXPECT_FALSE(ReceiveString(mock.get(), "foobar"));
 
-    EXPECT_NONFATAL_FAILURE(ReceiveString(mock, "foo"), "no message was ready");
+    EXPECT_NONFATAL_FAILURE(ReceiveString(mock.get(), "foo"), "no message was ready");
 
     mock->ExpectSend("foo");
-    EXPECT_NONFATAL_FAILURE(ReceiveString(mock, "foo"), "called out-of-order");
-    EXPECT_TRUE(SendString(mock, "foo"));
+    EXPECT_NONFATAL_FAILURE(ReceiveString(mock.get(), "foo"), "called out-of-order");
+    EXPECT_TRUE(SendString(mock.get(), "foo"));
 
     char c;
     mock->AddReceive("foo");
     EXPECT_NONFATAL_FAILURE(mock->Receive(&c, 1, 0), "not enough bytes (1) for foo");
-    EXPECT_TRUE(ReceiveString(mock, "foo"));
+    EXPECT_TRUE(ReceiveString(mock.get(), "foo"));
 
     mock->AddReceive("foo");
-    EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+    EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
 }
 
 TEST(SocketMockTest, TestAcceptSuccess) {
@@ -372,14 +372,14 @@
 }
 
 TEST(SocketMockTest, TestAcceptFailure) {
-    SocketMock* mock = new SocketMock;
+    std::unique_ptr<SocketMock> mock(new SocketMock);
 
     EXPECT_NONFATAL_FAILURE(mock->Accept(), "no socket was ready");
 
     mock->ExpectSend("foo");
     EXPECT_NONFATAL_FAILURE(mock->Accept(), "called out-of-order");
-    EXPECT_TRUE(SendString(mock, "foo"));
+    EXPECT_TRUE(SendString(mock.get(), "foo"));
 
     mock->AddAccept(nullptr);
-    EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+    EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
 }
diff --git a/fs_mgr/OWNERS b/fs_mgr/OWNERS
index 6f1059b..bd46489 100644
--- a/fs_mgr/OWNERS
+++ b/fs_mgr/OWNERS
@@ -1,4 +1,4 @@
-# Bug component: 30545
+# Bug component: 325626
 bowgotsai@google.com
 dvander@google.com
 elsk@google.com
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index 8e4b556..2165961 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -261,6 +261,7 @@
     },
     auto_gen_config: true,
     require_root: true,
+    compile_multilib: "first",
 }
 
 cc_test {
diff --git a/fs_mgr/libsnapshot/snapshot_writer.cpp b/fs_mgr/libsnapshot/snapshot_writer.cpp
index 6aad3d1..82a7fd7 100644
--- a/fs_mgr/libsnapshot/snapshot_writer.cpp
+++ b/fs_mgr/libsnapshot/snapshot_writer.cpp
@@ -93,6 +93,9 @@
 
 std::unique_ptr<FileDescriptor> CompressedSnapshotWriter::OpenReader() {
     auto cow = OpenCowReader();
+    if (cow == nullptr) {
+        return nullptr;
+    }
 
     auto reader = std::make_unique<CompressedSnapshotReader>();
     if (!reader->SetCow(std::move(cow))) {
diff --git a/fs_mgr/tools/dmuserd.cpp b/fs_mgr/tools/dmuserd.cpp
index 6b68b28..da7156c 100644
--- a/fs_mgr/tools/dmuserd.cpp
+++ b/fs_mgr/tools/dmuserd.cpp
@@ -13,6 +13,7 @@
 #include <sys/prctl.h>
 #include <unistd.h>
 #include <iostream>
+#include <string>
 
 #define SECTOR_SIZE ((__u64)512)
 #define BUFFER_BYTES 4096
@@ -133,16 +134,16 @@
     return 0;
 }
 
-int simple_daemon(char* control_path, char* backing_path) {
-    int control_fd = open(control_path, O_RDWR);
+static int simple_daemon(const std::string& control_path, const std::string& backing_path) {
+    int control_fd = open(control_path.c_str(), O_RDWR);
     if (control_fd < 0) {
-        fprintf(stderr, "Unable to open control device %s\n", control_path);
+        fprintf(stderr, "Unable to open control device %s\n", control_path.c_str());
         return -1;
     }
 
-    int backing_fd = open(backing_path, O_RDWR);
+    int backing_fd = open(backing_path.c_str(), O_RDWR);
     if (backing_fd < 0) {
-        fprintf(stderr, "Unable to open backing device %s\n", backing_path);
+        fprintf(stderr, "Unable to open backing device %s\n", backing_path.c_str());
         return -1;
     }
 
@@ -286,8 +287,8 @@
 }
 
 int main(int argc, char* argv[]) {
-    char* control_path = NULL;
-    char* backing_path = NULL;
+    std::string control_path;
+    std::string backing_path;
     char* store;
     int c;
 
@@ -299,10 +300,10 @@
                 usage(basename(argv[0]));
                 exit(0);
             case 'c':
-                control_path = strdup(optarg);
+                control_path = optarg;
                 break;
             case 'b':
-                backing_path = strdup(optarg);
+                backing_path = optarg;
                 break;
             case 'v':
                 verbose = true;
diff --git a/init/Android.bp b/init/Android.bp
index 06f696e..c7e7de8 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -109,21 +109,22 @@
         misc_undefined: ["signed-integer-overflow"],
     },
     cflags: [
-        "-DLOG_UEVENTS=0",
-        "-Wall",
-        "-Wextra",
-        "-Wno-unused-parameter",
-        "-Werror",
-        "-Wthread-safety",
         "-DALLOW_FIRST_STAGE_CONSOLE=0",
         "-DALLOW_LOCAL_PROP_OVERRIDE=0",
         "-DALLOW_PERMISSIVE_SELINUX=0",
-        "-DREBOOT_BOOTLOADER_ON_PANIC=0",
-        "-DWORLD_WRITABLE_KMSG=0",
+        "-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
         "-DDUMP_ON_UMOUNT_FAILURE=0",
-        "-DSHUTDOWN_ZERO_TIMEOUT=0",
         "-DINIT_FULL_SOURCES",
         "-DINSTALL_DEBUG_POLICY_TO_SYSTEM_EXT=0",
+        "-DLOG_UEVENTS=0",
+        "-DREBOOT_BOOTLOADER_ON_PANIC=0",
+        "-DSHUTDOWN_ZERO_TIMEOUT=0",
+        "-DWORLD_WRITABLE_KMSG=0",
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+        "-Wno-unused-parameter",
+        "-Wthread-safety",
     ],
     product_variables: {
         debuggable: {
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 7cb8b11..a89813e 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -331,13 +331,13 @@
     unique_fd s(TEMP_FAILURE_RETRY(socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0)));
     if (s < 0) return ErrnoError() << "opening socket failed";
 
-    if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) {
+    if (ioctl(s.get(), SIOCGIFFLAGS, &ifr) < 0) {
         return ErrnoError() << "ioctl(..., SIOCGIFFLAGS, ...) failed";
     }
 
     ifr.ifr_flags |= IFF_UP;
 
-    if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) {
+    if (ioctl(s.get(), SIOCSIFFLAGS, &ifr) < 0) {
         return ErrnoError() << "ioctl(..., SIOCSIFFLAGS, ...) failed";
     }
 
@@ -516,11 +516,11 @@
 
             loop_info info;
             /* if it is a blank loop device */
-            if (ioctl(loop, LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) {
+            if (ioctl(loop.get(), LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) {
                 /* if it becomes our loop device */
-                if (ioctl(loop, LOOP_SET_FD, fd.get()) >= 0) {
+                if (ioctl(loop.get(), LOOP_SET_FD, fd.get()) >= 0) {
                     if (mount(tmp.c_str(), target, system, flags, options) < 0) {
-                        ioctl(loop, LOOP_CLR_FD, 0);
+                        ioctl(loop.get(), LOOP_CLR_FD, 0);
                         return ErrnoError() << "mount() failed";
                     }
                     return {};
@@ -901,16 +901,16 @@
     if (fd == -1) {
         return ErrnoError() << "Error opening file";
     }
-    if (posix_fadvise(fd, 0, 0, POSIX_FADV_WILLNEED)) {
+    if (posix_fadvise(fd.get(), 0, 0, POSIX_FADV_WILLNEED)) {
         return ErrnoError() << "Error posix_fadvise file";
     }
-    if (readahead(fd, 0, std::numeric_limits<size_t>::max())) {
+    if (readahead(fd.get(), 0, std::numeric_limits<size_t>::max())) {
         return ErrnoError() << "Error readahead file";
     }
     if (fully) {
         char buf[BUFSIZ];
         ssize_t n;
-        while ((n = TEMP_FAILURE_RETRY(read(fd, &buf[0], sizeof(buf)))) > 0) {
+        while ((n = TEMP_FAILURE_RETRY(read(fd.get(), &buf[0], sizeof(buf)))) > 0) {
         }
         if (n != 0) {
             return ErrnoError() << "Error reading file";
diff --git a/init/epoll.cpp b/init/epoll.cpp
index fd1af4f..cd73a0c 100644
--- a/init/epoll.cpp
+++ b/init/epoll.cpp
@@ -57,7 +57,7 @@
             .events = events,
             .data.fd = fd,
     };
-    if (epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, fd, &ev) == -1) {
+    if (epoll_ctl(epoll_fd_.get(), EPOLL_CTL_ADD, fd, &ev) == -1) {
         Result<void> result = ErrnoError() << "epoll_ctl failed to add fd";
         epoll_handlers_.erase(fd);
         return result;
@@ -66,7 +66,7 @@
 }
 
 Result<void> Epoll::UnregisterHandler(int fd) {
-    if (epoll_ctl(epoll_fd_, EPOLL_CTL_DEL, fd, nullptr) == -1) {
+    if (epoll_ctl(epoll_fd_.get(), EPOLL_CTL_DEL, fd, nullptr) == -1) {
         return ErrnoError() << "epoll_ctl failed to remove fd";
     }
     auto it = epoll_handlers_.find(fd);
@@ -88,7 +88,7 @@
     }
     const auto max_events = epoll_handlers_.size();
     epoll_event ev[max_events];
-    auto num_events = TEMP_FAILURE_RETRY(epoll_wait(epoll_fd_, ev, max_events, timeout_ms));
+    auto num_events = TEMP_FAILURE_RETRY(epoll_wait(epoll_fd_.get(), ev, max_events, timeout_ms));
     if (num_events == -1) {
         return ErrnoError() << "epoll_wait failed";
     }
diff --git a/init/firmware_handler.cpp b/init/firmware_handler.cpp
index 30e808d..b9fa58c 100644
--- a/init/firmware_handler.cpp
+++ b/init/firmware_handler.cpp
@@ -257,12 +257,12 @@
             return false;
         }
         struct stat sb;
-        if (fstat(fw_fd, &sb) == -1) {
+        if (fstat(fw_fd.get(), &sb) == -1) {
             attempted_paths_and_errors.emplace_back("firmware: attempted " + file +
                                                     ", fstat failed: " + strerror(errno));
             return false;
         }
-        LoadFirmware(firmware, root, fw_fd, sb.st_size, loading_fd, data_fd);
+        LoadFirmware(firmware, root, fw_fd.get(), sb.st_size, loading_fd.get(), data_fd.get());
         return true;
     };
 
@@ -287,7 +287,7 @@
     }
 
     // Write "-1" as our response to the kernel's firmware request, since we have nothing for it.
-    write(loading_fd, "-1", 2);
+    write(loading_fd.get(), "-1", 2);
 }
 
 bool FirmwareHandler::ForEachFirmwareDirectory(
diff --git a/init/init.cpp b/init/init.cpp
index 540e2ca..4262191 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -739,33 +739,13 @@
     HandlePowerctlMessage("shutdown,container");
 }
 
-static constexpr std::chrono::milliseconds kDiagnosticTimeout = 10s;
-
-static void HandleSignalFd(bool one_off) {
+static void HandleSignalFd() {
     signalfd_siginfo siginfo;
-    auto started = std::chrono::steady_clock::now();
-    do {
-        ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
-        if (bytes_read < 0 && errno == EAGAIN) {
-            if (one_off) {
-                return;
-            }
-            auto now = std::chrono::steady_clock::now();
-            std::chrono::duration<double> waited = now - started;
-            if (waited >= kDiagnosticTimeout) {
-                LOG(ERROR) << "epoll() woke us up, but we waited with no SIGCHLD!";
-                started = now;
-            }
-
-            std::this_thread::sleep_for(100ms);
-            continue;
-        }
-        if (bytes_read != sizeof(siginfo)) {
-            PLOG(ERROR) << "Failed to read siginfo from signal_fd";
-            return;
-        }
-        break;
-    } while (!one_off);
+    ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
+    if (bytes_read != sizeof(siginfo)) {
+        PLOG(ERROR) << "Failed to read siginfo from signal_fd";
+        return;
+    }
 
     switch (siginfo.ssi_signo) {
         case SIGCHLD:
@@ -820,14 +800,13 @@
         LOG(FATAL) << "Failed to register a fork handler: " << strerror(result);
     }
 
-    signal_fd = signalfd(-1, &mask, SFD_CLOEXEC | SFD_NONBLOCK);
+    signal_fd = signalfd(-1, &mask, SFD_CLOEXEC);
     if (signal_fd == -1) {
         PLOG(FATAL) << "failed to create signalfd";
     }
 
     constexpr int flags = EPOLLIN | EPOLLPRI;
-    auto handler = std::bind(HandleSignalFd, false);
-    if (auto result = epoll->RegisterHandler(signal_fd, handler, flags); !result.ok()) {
+    if (auto result = epoll->RegisterHandler(signal_fd, HandleSignalFd, flags); !result.ok()) {
         LOG(FATAL) << result.error();
     }
 }
@@ -956,32 +935,6 @@
     return {};
 }
 
-static void DumpPidFds(const std::string& prefix, pid_t pid) {
-    std::error_code ec;
-    std::string proc_dir = "/proc/" + std::to_string(pid) + "/fd";
-    for (const auto& entry : std::filesystem::directory_iterator(proc_dir)) {
-        std::string target;
-        if (android::base::Readlink(entry.path(), &target)) {
-            LOG(ERROR) << prefix << target;
-        } else {
-            LOG(ERROR) << prefix << entry.path();
-        }
-    }
-}
-
-static void DumpFile(const std::string& prefix, const std::string& file) {
-    std::ifstream fp(file);
-    if (!fp) {
-        LOG(ERROR) << "Could not open " << file;
-        return;
-    }
-
-    std::string line;
-    while (std::getline(fp, line)) {
-        LOG(ERROR) << prefix << line;
-    }
-}
-
 int SecondStageMain(int argc, char** argv) {
     if (REBOOT_BOOTLOADER_ON_PANIC) {
         InstallRebootSignalHandlers();
@@ -1155,7 +1108,7 @@
     setpriority(PRIO_PROCESS, 0, 0);
     while (true) {
         // By default, sleep until something happens.
-        std::chrono::milliseconds epoll_timeout{kDiagnosticTimeout};
+        std::optional<std::chrono::milliseconds> epoll_timeout;
 
         auto shutdown_command = shutdown_state.CheckShutdown();
         if (shutdown_command) {
@@ -1187,25 +1140,6 @@
         auto epoll_result = epoll.Wait(epoll_timeout);
         if (!epoll_result.ok()) {
             LOG(ERROR) << epoll_result.error();
-        } else if (*epoll_result <= 0 && Service::is_exec_service_running()) {
-            static bool dumped_diagnostics = false;
-            std::chrono::duration<double> waited =
-                    std::chrono::steady_clock::now() - Service::exec_service_started();
-            if (waited >= kDiagnosticTimeout) {
-                LOG(ERROR) << "Exec service is hung? Waited " << waited.count()
-                           << " without SIGCHLD";
-                if (!dumped_diagnostics) {
-                    DumpPidFds("exec service opened: ", Service::exec_service_pid());
-
-                    std::string status_file =
-                            "/proc/" + std::to_string(Service::exec_service_pid()) + "/status";
-                    DumpFile("exec service: ", status_file);
-                    dumped_diagnostics = true;
-
-                    LOG(INFO) << "Attempting to handle any stuck SIGCHLDs...";
-                    HandleSignalFd(true);
-                }
-            }
         }
         if (!IsShuttingDown()) {
             HandleControlMessages();
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 7bad6fd..aea1cb3 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -194,10 +194,9 @@
 }
 
 TEST(init, StartConsole) {
-    // Two different failures have been observed for this test: (1) No
-    // permission to open /dev/console and (2) getsid() != pid. Skip this test
-    // until these failures have been root-caused and fixed.
-    GTEST_SKIP() << "This test needs to be improved";
+    if (access("/dev/console", F_OK) < 0) {
+        GTEST_SKIP() << "/dev/console not found";
+    }
     std::string init_script = R"init(
 service console /system/bin/sh
     class core
@@ -205,7 +204,7 @@
     disabled
     user root
     group root shell log readproc
-    seclabel u:r:su:s0
+    seclabel u:r:shell:s0
     setenv HOSTNAME console
 )init";
 
@@ -219,7 +218,7 @@
     ASSERT_RESULT_OK(service->Start());
     const pid_t pid = service->pid();
     ASSERT_GT(pid, 0);
-    EXPECT_EQ(getsid(pid), pid);
+    EXPECT_NE(getsid(pid), 0);
     service->Stop();
 }
 
diff --git a/init/persistent_properties.cpp b/init/persistent_properties.cpp
index d33a6b8..8db7267 100644
--- a/init/persistent_properties.cpp
+++ b/init/persistent_properties.cpp
@@ -77,7 +77,7 @@
         }
 
         struct stat sb;
-        if (fstat(fd, &sb) == -1) {
+        if (fstat(fd.get(), &sb) == -1) {
             PLOG(ERROR) << "fstat on property file \"" << entry->d_name << "\" failed";
             continue;
         }
@@ -198,7 +198,7 @@
     if (!WriteStringToFd(serialized_string, fd)) {
         return ErrnoError() << "Unable to write file contents";
     }
-    fsync(fd);
+    fsync(fd.get());
     fd.reset();
 
     if (rename(temp_filename.c_str(), persistent_property_filename.c_str())) {
@@ -216,7 +216,7 @@
     if (dir_fd < 0) {
         return ErrnoError() << "Unable to open persistent properties directory for fsync()";
     }
-    fsync(dir_fd);
+    fsync(dir_fd.get());
 
     return {};
 }
diff --git a/init/property_service.cpp b/init/property_service.cpp
index f3550a1..9df9828 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -300,13 +300,13 @@
         if (!socket_.ok()) {
             return true;
         }
-        int result = TEMP_FAILURE_RETRY(send(socket_, &value, sizeof(value), 0));
+        int result = TEMP_FAILURE_RETRY(send(socket_.get(), &value, sizeof(value), 0));
         return result == sizeof(value);
     }
 
     bool GetSourceContext(std::string* source_context) const {
         char* c_source_context = nullptr;
-        if (getpeercon(socket_, &c_source_context) != 0) {
+        if (getpeercon(socket_.get(), &c_source_context) != 0) {
             return false;
         }
         *source_context = c_source_context;
@@ -320,13 +320,13 @@
 
   private:
     bool PollIn(uint32_t* timeout_ms) {
-        struct pollfd ufds[1];
-        ufds[0].fd = socket_;
-        ufds[0].events = POLLIN;
-        ufds[0].revents = 0;
+        struct pollfd ufd = {
+                .fd = socket_.get(),
+                .events = POLLIN,
+        };
         while (*timeout_ms > 0) {
             auto start_time = std::chrono::steady_clock::now();
-            int nr = poll(ufds, 1, *timeout_ms);
+            int nr = poll(&ufd, 1, *timeout_ms);
             auto now = std::chrono::steady_clock::now();
             auto time_elapsed =
                 std::chrono::duration_cast<std::chrono::milliseconds>(now - start_time);
@@ -368,7 +368,7 @@
                 return false;
             }
 
-            int result = TEMP_FAILURE_RETRY(recv(socket_, data, bytes_left, MSG_DONTWAIT));
+            int result = TEMP_FAILURE_RETRY(recv(socket_.get(), data, bytes_left, MSG_DONTWAIT));
             if (result <= 0) {
                 PLOG(ERROR) << "sys_prop: recv error";
                 return false;
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 1f4186d..a3fc534 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -767,7 +767,7 @@
     if (IsDataMounted("f2fs")) {
         uint32_t flag = F2FS_GOING_DOWN_FULLSYNC;
         unique_fd fd(TEMP_FAILURE_RETRY(open("/data", O_RDONLY)));
-        int ret = ioctl(fd, F2FS_IOC_SHUTDOWN, &flag);
+        int ret = ioctl(fd.get(), F2FS_IOC_SHUTDOWN, &flag);
         if (ret) {
             PLOG(ERROR) << "Shutdown /data: ";
         } else {
diff --git a/init/security.cpp b/init/security.cpp
index 2ecf687..6e616be 100644
--- a/init/security.cpp
+++ b/init/security.cpp
@@ -216,7 +216,7 @@
         return {};
     }
 
-    int ioctl_ret = ioctl(fd, PERF_EVENT_IOC_RESET);
+    int ioctl_ret = ioctl(fd.get(), PERF_EVENT_IOC_RESET);
     if (ioctl_ret != -1) {
         // Success implies that the kernel doesn't have the hooks.
         return {};
diff --git a/init/selinux.cpp b/init/selinux.cpp
index ab5b0a0..ea308aa 100644
--- a/init/selinux.cpp
+++ b/init/selinux.cpp
@@ -567,7 +567,7 @@
         return ErrnoError() << "Failed to open " << dstPath;
     }
 
-    ret = ExtractEntryToFile(archive, &entry, fd);
+    ret = ExtractEntryToFile(archive, &entry, fd.get());
     if (ret != 0) {
         return Error() << "Failed to extract entry \"" << fileName << "\" ("
                        << entry.uncompressed_length << " bytes) to \"" << dstPath
@@ -785,7 +785,7 @@
         return;
     }
 
-    TEMP_FAILURE_RETRY(send(fd, &request, sizeof(request), 0));
+    TEMP_FAILURE_RETRY(send(fd.get(), &request, sizeof(request), 0));
 }
 
 }  // namespace
diff --git a/init/service.cpp b/init/service.cpp
index ccc7191..2ce81a0 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -136,8 +136,6 @@
 
 unsigned long Service::next_start_order_ = 1;
 bool Service::is_exec_service_running_ = false;
-pid_t Service::exec_service_pid_ = -1;
-std::chrono::time_point<std::chrono::steady_clock> Service::exec_service_started_;
 
 Service::Service(const std::string& name, Subcontext* subcontext_for_restart_commands,
                  const std::string& filename, const std::vector<std::string>& args)
@@ -292,7 +290,8 @@
     }
 
     if ((siginfo.si_code != CLD_EXITED || siginfo.si_status != 0) && on_failure_reboot_target_) {
-        LOG(ERROR) << "Service with 'reboot_on_failure' option failed, shutting down system.";
+        LOG(ERROR) << "Service " << name_
+                   << " has 'reboot_on_failure' option and failed, shutting down system.";
         trigger_shutdown(*on_failure_reboot_target_);
     }
 
@@ -433,8 +432,6 @@
 
     flags_ |= SVC_EXEC;
     is_exec_service_running_ = true;
-    exec_service_pid_ = pid_;
-    exec_service_started_ = std::chrono::steady_clock::now();
 
     LOG(INFO) << "SVC_EXEC service '" << name_ << "' pid " << pid_ << " (uid " << proc_attr_.uid
               << " gid " << proc_attr_.gid << "+" << proc_attr_.supp_gids.size() << " context "
diff --git a/init/service.h b/init/service.h
index 54bf638..f9749d2 100644
--- a/init/service.h
+++ b/init/service.h
@@ -73,6 +73,8 @@
             const std::vector<gid_t>& supp_gids, int namespace_flags, const std::string& seclabel,
             Subcontext* subcontext_for_restart_commands, const std::string& filename,
             const std::vector<std::string>& args);
+    Service(const Service&) = delete;
+    void operator=(const Service&) = delete;
 
     static Result<std::unique_ptr<Service>> MakeTemporaryOneshotService(
             const std::vector<std::string>& args);
@@ -104,10 +106,6 @@
     size_t CheckAllCommands() const { return onrestart_.CheckAllCommands(); }
 
     static bool is_exec_service_running() { return is_exec_service_running_; }
-    static pid_t exec_service_pid() { return exec_service_pid_; }
-    static std::chrono::time_point<std::chrono::steady_clock> exec_service_started() {
-        return exec_service_started_;
-    }
 
     const std::string& name() const { return name_; }
     const std::set<std::string>& classnames() const { return classnames_; }
@@ -160,8 +158,6 @@
     void SetMountNamespace();
     static unsigned long next_start_order_;
     static bool is_exec_service_running_;
-    static std::chrono::time_point<std::chrono::steady_clock> exec_service_started_;
-    static pid_t exec_service_pid_;
 
     const std::string name_;
     std::set<std::string> classnames_;
diff --git a/init/service_list.cpp b/init/service_list.cpp
index 3047821..937d82e 100644
--- a/init/service_list.cpp
+++ b/init/service_list.cpp
@@ -24,8 +24,8 @@
 ServiceList::ServiceList() {}
 
 ServiceList& ServiceList::GetInstance() {
-    static ServiceList instance;
-    return instance;
+    static ServiceList* instance = new ServiceList;
+    return *instance;
 }
 
 size_t ServiceList::CheckAllCommands() {
diff --git a/init/service_utils.cpp b/init/service_utils.cpp
index 15bf963..7004d8d 100644
--- a/init/service_utils.cpp
+++ b/init/service_utils.cpp
@@ -52,7 +52,7 @@
     if (fd == -1) {
         return ErrnoError() << "Could not open namespace at " << path;
     }
-    if (setns(fd, nstype) == -1) {
+    if (setns(fd.get(), nstype) == -1) {
         return ErrnoError() << "Could not setns() namespace at " << path;
     }
     return {};
@@ -127,22 +127,22 @@
 
 void SetupStdio(bool stdio_to_kmsg) {
     auto fd = unique_fd{open("/dev/null", O_RDWR | O_CLOEXEC)};
-    dup2(fd, STDIN_FILENO);
+    dup2(fd.get(), STDIN_FILENO);
     if (stdio_to_kmsg) {
         fd.reset(open("/dev/kmsg_debug", O_WRONLY | O_CLOEXEC));
         if (fd == -1) fd.reset(open("/dev/null", O_WRONLY | O_CLOEXEC));
     }
-    dup2(fd, STDOUT_FILENO);
-    dup2(fd, STDERR_FILENO);
+    dup2(fd.get(), STDOUT_FILENO);
+    dup2(fd.get(), STDERR_FILENO);
 }
 
 void OpenConsole(const std::string& console) {
     auto fd = unique_fd{open(console.c_str(), O_RDWR | O_CLOEXEC)};
     if (fd == -1) fd.reset(open("/dev/null", O_RDWR | O_CLOEXEC));
-    ioctl(fd, TIOCSCTTY, 0);
-    dup2(fd, 0);
-    dup2(fd, 1);
-    dup2(fd, 2);
+    ioctl(fd.get(), TIOCSCTTY, 0);
+    dup2(fd.get(), 0);
+    dup2(fd.get(), 1);
+    dup2(fd.get(), 2);
 }
 
 }  // namespace
@@ -190,7 +190,7 @@
     }
 
     // Fixup as we set O_NONBLOCK for open, the intent for fd is to block reads.
-    fcntl(fd, F_SETFL, flags);
+    fcntl(fd.get(), F_SETFL, flags);
 
     return Descriptor(ANDROID_FILE_ENV_PREFIX + name, std::move(fd));
 }
diff --git a/init/subcontext.cpp b/init/subcontext.cpp
index 961e006..6a095fb 100644
--- a/init/subcontext.cpp
+++ b/init/subcontext.cpp
@@ -207,7 +207,7 @@
 
         // We explicitly do not use O_CLOEXEC here, such that we can reference this FD by number
         // in the subcontext process after we exec.
-        int child_fd = dup(subcontext_socket);  // NOLINT(android-cloexec-dup)
+        int child_fd = dup(subcontext_socket.get());  // NOLINT(android-cloexec-dup)
         if (child_fd < 0) {
             PLOG(FATAL) << "Could not dup child_fd";
         }
@@ -268,12 +268,12 @@
 }
 
 Result<SubcontextReply> Subcontext::TransmitMessage(const SubcontextCommand& subcontext_command) {
-    if (auto result = SendMessage(socket_, subcontext_command); !result.ok()) {
+    if (auto result = SendMessage(socket_.get(), subcontext_command); !result.ok()) {
         Restart();
         return ErrnoError() << "Failed to send message to subcontext";
     }
 
-    auto subcontext_message = ReadMessage(socket_);
+    auto subcontext_message = ReadMessage(socket_.get());
     if (!subcontext_message.ok()) {
         Restart();
         return Error() << "Failed to receive result from subcontext: " << subcontext_message.error();
diff --git a/init/test_upgrade_mte/mte_upgrade_test_helper.cpp b/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
index 10af06b..3188337 100644
--- a/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
+++ b/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
@@ -22,6 +22,7 @@
 #include <sys/prctl.h>
 #include <time.h>
 #include <unistd.h>
+#include <memory>
 
 int MaybeDowngrade() {
     int res = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
@@ -58,7 +59,7 @@
         // Disallow automatic upgrade from ASYNC mode.
         if (prctl(PR_SET_TAGGED_ADDR_CTRL, res & ~PR_MTE_TCF_SYNC, 0, 0, 0) == -1) abort();
     }
-    volatile char* f = (char*)malloc(1);
+    std::unique_ptr<volatile char[]> f(new char[1]);
     f[17] = 'x';
     char buf[1];
     read(1, buf, 1);
diff --git a/init/uevent_listener.cpp b/init/uevent_listener.cpp
index 7cd396a..5da6777 100644
--- a/init/uevent_listener.cpp
+++ b/init/uevent_listener.cpp
@@ -92,12 +92,12 @@
         LOG(FATAL) << "Could not open uevent socket";
     }
 
-    fcntl(device_fd_, F_SETFL, O_NONBLOCK);
+    fcntl(device_fd_.get(), F_SETFL, O_NONBLOCK);
 }
 
 ReadUeventResult UeventListener::ReadUevent(Uevent* uevent) const {
     char msg[UEVENT_MSG_LEN + 2];
-    int n = uevent_kernel_multicast_recv(device_fd_, msg, UEVENT_MSG_LEN);
+    int n = uevent_kernel_multicast_recv(device_fd_.get(), msg, UEVENT_MSG_LEN);
     if (n <= 0) {
         if (errno != EAGAIN && errno != EWOULDBLOCK) {
             PLOG(ERROR) << "Error reading from Uevent Fd";
@@ -184,9 +184,10 @@
                           const std::optional<std::chrono::milliseconds> relative_timeout) const {
     using namespace std::chrono;
 
-    pollfd ufd;
-    ufd.events = POLLIN;
-    ufd.fd = device_fd_;
+    pollfd ufd = {
+            .events = POLLIN,
+            .fd = device_fd_.get(),
+    };
 
     auto start_time = steady_clock::now();
 
diff --git a/init/util.cpp b/init/util.cpp
index 3d42855..bc8ea6e 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -120,12 +120,12 @@
 
     if (passcred) {
         int on = 1;
-        if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on))) {
+        if (setsockopt(fd.get(), SOL_SOCKET, SO_PASSCRED, &on, sizeof(on))) {
             return ErrnoError() << "Failed to set SO_PASSCRED '" << name << "'";
         }
     }
 
-    int ret = bind(fd, (struct sockaddr *) &addr, sizeof (addr));
+    int ret = bind(fd.get(), (struct sockaddr*)&addr, sizeof(addr));
     int savederrno = errno;
 
     if (!secontext.empty()) {
@@ -145,7 +145,7 @@
     if (fchmodat(AT_FDCWD, addr.sun_path, perm, AT_SYMLINK_NOFOLLOW)) {
         return ErrnoError() << "Failed to fchmodat socket '" << addr.sun_path << "'";
     }
-    if (should_listen && listen(fd, /* use OS maximum */ 1 << 30)) {
+    if (should_listen && listen(fd.get(), /* use OS maximum */ 1 << 30)) {
         return ErrnoError() << "Failed to listen on socket '" << addr.sun_path << "'";
     }
 
@@ -168,7 +168,7 @@
     // For security reasons, disallow world-writable
     // or group-writable files.
     struct stat sb;
-    if (fstat(fd, &sb) == -1) {
+    if (fstat(fd.get(), &sb) == -1) {
         return ErrnoError() << "fstat failed()";
     }
     if ((sb.st_mode & (S_IWGRP | S_IWOTH)) != 0) {
diff --git a/janitors/OWNERS b/janitors/OWNERS
index e132f0b..d871201 100644
--- a/janitors/OWNERS
+++ b/janitors/OWNERS
@@ -1,6 +1,7 @@
 # OWNERS file for projects that don't really have owners so much as volunteer janitors.
 ccross@google.com
+cferris@google.com
 dwillemsen@google.com
 enh@google.com
 narayan@google.com
-sadafebrahimi@google.com
\ No newline at end of file
+sadafebrahimi@google.com
diff --git a/libsystem/include/system/graphics-base-v1.2.h b/libsystem/include/system/graphics-base-v1.2.h
index 2194f5e..624912c 100644
--- a/libsystem/include/system/graphics-base-v1.2.h
+++ b/libsystem/include/system/graphics-base-v1.2.h
@@ -14,13 +14,17 @@
 } android_hdr_v1_2_t;
 
 typedef enum {
-    HAL_DATASPACE_DISPLAY_BT2020 = 142999552 /* ((STANDARD_BT2020 | TRANSFER_SRGB) | RANGE_FULL) */,
+    HAL_DATASPACE_DISPLAY_BT2020 = 142999552 /* STANDARD_BT2020 | TRANSFER_SRGB | RANGE_FULL */,
     HAL_DATASPACE_DYNAMIC_DEPTH = 4098 /* 0x1002 */,
     HAL_DATASPACE_JPEG_APP_SEGMENTS = 4099 /* 0x1003 */,
     HAL_DATASPACE_HEIF = 4100 /* 0x1004 */,
 } android_dataspace_v1_2_t;
 
 typedef enum {
+    HAL_COLOR_MODE_DISPLAY_BT2020 = 13,
+} android_color_mode_v1_2_t;
+
+typedef enum {
     HAL_PIXEL_FORMAT_HSV_888 = 55 /* 0x37 */,
 } android_pixel_format_v1_2_t;
 
diff --git a/libutils/Unicode_test.cpp b/libutils/Unicode_test.cpp
index 8b994d9..7969525 100644
--- a/libutils/Unicode_test.cpp
+++ b/libutils/Unicode_test.cpp
@@ -35,86 +35,208 @@
     }
 
     char16_t const * const kSearchString = u"I am a leaf on the wind.";
+
+    constexpr static size_t BUFSIZE = 64;       // large enough for all tests
+
+    void TestUTF8toUTF16(std::initializer_list<uint8_t> input,
+                         std::initializer_list<char16_t> expect,
+                         const char* err_msg_length = "",
+                         ssize_t expected_length = 0) {
+        uint8_t empty_str[] = {};
+        char16_t output[BUFSIZE];
+
+        const size_t inlen = input.size(), outlen = expect.size();
+        ASSERT_LT(outlen, BUFSIZE);
+
+        const uint8_t *input_data = inlen ? std::data(input) : empty_str;
+        ssize_t measured = utf8_to_utf16_length(input_data, inlen);
+        EXPECT_EQ(expected_length ? : (ssize_t)outlen, measured) << err_msg_length;
+
+        utf8_to_utf16(input_data, inlen, output, outlen + 1);
+        for (size_t i = 0; i < outlen; i++) {
+            EXPECT_EQ(std::data(expect)[i], output[i]);
+        }
+        EXPECT_EQ(0, output[outlen]) << "should be null terminated";
+    }
+
+    void TestUTF16toUTF8(std::initializer_list<char16_t> input,
+                         std::initializer_list<char> expect,
+                         const char* err_msg_length = "",
+                         ssize_t expected_length = 0) {
+        char16_t empty_str[] = {};
+        char output[BUFSIZE];
+
+        const size_t inlen = input.size(), outlen = expect.size();
+        ASSERT_LT(outlen, BUFSIZE);
+
+        const char16_t *input_data = inlen ? std::data(input) : empty_str;
+        ssize_t measured = utf16_to_utf8_length(input_data, inlen);
+        EXPECT_EQ(expected_length ? : (ssize_t)outlen, measured) << err_msg_length;
+
+        utf16_to_utf8(input_data, inlen, output, outlen + 1);
+        for (size_t i = 0; i < outlen; i++) {
+            EXPECT_EQ(std::data(expect)[i], output[i]);
+        }
+        EXPECT_EQ(0, output[outlen]) << "should be null terminated";
+    }
 };
 
 TEST_F(UnicodeTest, UTF8toUTF16ZeroLength) {
-    ssize_t measured;
-
-    const uint8_t str[] = { };
-
-    measured = utf8_to_utf16_length(str, 0);
-    EXPECT_EQ(0, measured)
-            << "Zero length input should return zero length output.";
+    TestUTF8toUTF16({}, {},
+        "Zero length input should return zero length output.");
 }
 
-TEST_F(UnicodeTest, UTF8toUTF16ASCIILength) {
-    ssize_t measured;
-
-    // U+0030 or ASCII '0'
-    const uint8_t str[] = { 0x30 };
-
-    measured = utf8_to_utf16_length(str, sizeof(str));
-    EXPECT_EQ(1, measured)
-            << "ASCII glyphs should have a length of 1 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16ASCII) {
+    TestUTF8toUTF16(
+        { 0x30 },               // U+0030 or ASCII '0'
+        { 0x0030 },
+        "ASCII codepoints should have a length of 1 char16_t");
 }
 
-TEST_F(UnicodeTest, UTF8toUTF16Plane1Length) {
-    ssize_t measured;
-
-    // U+2323 SMILE
-    const uint8_t str[] = { 0xE2, 0x8C, 0xA3 };
-
-    measured = utf8_to_utf16_length(str, sizeof(str));
-    EXPECT_EQ(1, measured)
-            << "Plane 1 glyphs should have a length of 1 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16Plane1) {
+    TestUTF8toUTF16(
+        { 0xE2, 0x8C, 0xA3 },   // U+2323 SMILE
+        { 0x2323 },
+        "Plane 1 codepoints should have a length of 1 char16_t");
 }
 
-TEST_F(UnicodeTest, UTF8toUTF16SurrogateLength) {
-    ssize_t measured;
-
-    // U+10000
-    const uint8_t str[] = { 0xF0, 0x90, 0x80, 0x80 };
-
-    measured = utf8_to_utf16_length(str, sizeof(str));
-    EXPECT_EQ(2, measured)
-            << "Surrogate pairs should have a length of 2 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16Surrogate) {
+    TestUTF8toUTF16(
+        { 0xF0, 0x90, 0x80, 0x80 },   // U+10000
+        { 0xD800, 0xDC00 },
+        "Surrogate pairs should have a length of 2 char16_t");
 }
 
 TEST_F(UnicodeTest, UTF8toUTF16TruncatedUTF8) {
-    ssize_t measured;
-
-    // Truncated U+2323 SMILE
-    // U+2323 SMILE
-    const uint8_t str[] = { 0xE2, 0x8C };
-
-    measured = utf8_to_utf16_length(str, sizeof(str));
-    EXPECT_EQ(-1, measured)
-            << "Truncated UTF-8 should return -1 to indicate invalid";
+    TestUTF8toUTF16(
+        { 0xE2, 0x8C },       // Truncated U+2323 SMILE
+        { },                  // Conversion should still work but produce nothing
+        "Truncated UTF-8 should return -1 to indicate invalid",
+        -1);
 }
 
 TEST_F(UnicodeTest, UTF8toUTF16Normal) {
-    const uint8_t str[] = {
-        0x30, // U+0030, 1 UTF-16 character
-        0xC4, 0x80, // U+0100, 1 UTF-16 character
-        0xE2, 0x8C, 0xA3, // U+2323, 1 UTF-16 character
+    TestUTF8toUTF16({
+        0x30,                   // U+0030, 1 UTF-16 character
+        0xC4, 0x80,             // U+0100, 1 UTF-16 character
+        0xE2, 0x8C, 0xA3,       // U+2323, 1 UTF-16 character
         0xF0, 0x90, 0x80, 0x80, // U+10000, 2 UTF-16 character
-    };
+    }, {
+        0x0030,
+        0x0100,
+        0x2323,
+        0xD800, 0xDC00
+    });
+}
 
-    char16_t output[1 + 1 + 1 + 2 + 1];  // Room for null
+TEST_F(UnicodeTest, UTF8toUTF16Invalid) {
+    // TODO: The current behavior of utf8_to_utf16 is to treat invalid
+    // leading byte (>= 0xf8) as a 4-byte UTF8 sequence, and to treat
+    // invalid trailing byte(s) (i.e. bytes not having MSB set) as if
+    // they are valid and do the normal conversion. However, a better
+    // handling would be to treat invalid sequences as errors, such
+    // cases need to be reported and invalid characters (e.g. U+FFFD)
+    // could be produced at the place of error.  Until a fix is ready
+    // and compatibility is not an issue, we will keep testing the
+    // current behavior
+    TestUTF8toUTF16({
+        0xf8,                   // invalid leading byte
+        0xc4, 0x00,             // U+0100 with invalid trailing byte
+        0xe2, 0x0c, 0xa3,       // U+2323 with invalid trailing bytes
+        0xf0, 0x10, 0x00, 0x00, // U+10000 with invalid trailing bytes
+    }, {
+        0x4022,                 // invalid leading byte (>=0xfc) is treated
+                                // as valid for 4-byte UTF8 sequence
+	0x000C,
+	0x00A3,                 // invalid leadnig byte (b'10xxxxxx) is
+                                // treated as valid single UTF-8 byte
+        0xD800,                 // invalid trailing bytes are treated
+        0xDC00,                 // as valid bytes and follow normal
+    });
+}
 
-    utf8_to_utf16(str, sizeof(str), output, sizeof(output) / sizeof(output[0]));
+TEST_F(UnicodeTest, UTF16toUTF8ZeroLength) {
+    // TODO: The current behavior of utf16_to_utf8_length() is that
+    // it returns -1 if the input is a zero length UTF16 string.
+    // This is inconsistent with utf8_to_utf16_length() where a zero
+    // length string returns 0.  However, to fix the current behavior,
+    // we could have compatibility issue.  Until then, we will keep
+    // testing the current behavior
+    TestUTF16toUTF8({}, {},
+        "Zero length UTF16 input should return length of -1.", -1);
+}
 
-    EXPECT_EQ(0x0030, output[0])
-            << "should be U+0030";
-    EXPECT_EQ(0x0100, output[1])
-            << "should be U+0100";
-    EXPECT_EQ(0x2323, output[2])
-            << "should be U+2323";
-    EXPECT_EQ(0xD800, output[3])
-            << "should be first half of surrogate U+10000";
-    EXPECT_EQ(0xDC00, output[4])
-            << "should be second half of surrogate U+10000";
-    EXPECT_EQ(0, output[5]) << "should be null terminated";
+TEST_F(UnicodeTest, UTF16toUTF8ASCII) {
+    TestUTF16toUTF8(
+        { 0x0030 },  // U+0030 or ASCII '0'
+        { '\x30' },
+        "ASCII codepoints in UTF16 should give a length of 1 in UTF8");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Plane1) {
+    TestUTF16toUTF8(
+        { 0x2323 },  // U+2323 SMILE
+        { '\xE2', '\x8C', '\xA3' },
+        "Plane 1 codepoints should have a length of 3 char in UTF-8");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Surrogate) {
+    TestUTF16toUTF8(
+        { 0xD800, 0xDC00 },  // U+10000
+        { '\xF0', '\x90', '\x80', '\x80' },
+        "Surrogate pairs should have a length of 4 chars");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8UnpairedSurrogate) {
+    TestUTF16toUTF8(
+        { 0xD800 },     // U+10000 with high surrogate pair only
+        { },            // Unpaired surrogate should be ignored
+        "A single unpaired high surrogate should have a length of 0 chars");
+
+    TestUTF16toUTF8(
+        { 0xDC00 },     // U+10000 with low surrogate pair only
+        { },            // Unpaired surrogate should be ignored
+        "A single unpaired low surrogate should have a length of 0 chars");
+
+    TestUTF16toUTF8(
+        // U+0030, U+0100, U+10000 with high surrogate pair only, U+2323
+        { 0x0030, 0x0100, 0xDC00, 0x2323 },
+        { '\x30', '\xC4', '\x80', '\xE2', '\x8C', '\xA3' },
+        "Unpaired high surrogate should be skipped in the middle");
+
+    TestUTF16toUTF8(
+        // U+0030, U+0100, U+10000 with high surrogate pair only, U+2323
+        { 0x0030, 0x0100, 0xDC00, 0x2323 },
+        { '\x30', '\xC4', '\x80', '\xE2', '\x8C', '\xA3' },
+        "Unpaired low surrogate should be skipped in the middle");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8CorrectInvalidSurrogate) {
+    // http://b/29250543
+    // d841d8 is an invalid start for a surrogate pair. Make sure this is handled by ignoring the
+    // first character in the pair and handling the rest correctly.
+    TestUTF16toUTF8(
+        { 0xD841, 0xD841, 0xDC41 },     // U+20441
+        { '\xF0', '\xA0', '\x91', '\x81' },
+        "Invalid start for a surrogate pair should be ignored");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Normal) {
+    TestUTF16toUTF8({
+        0x0024, // U+0024 ($) --> 0x24,           1 UTF-8 byte
+        0x00A3, // U+00A3 (£) --> 0xC2 0xA3,      2 UTF-8 bytes
+        0x0939, // U+0939 (ह) --> 0xE0 0xA4 0xB9, 3 UTF-8 bytes
+        0x20AC, // U+20AC (€) --> 0xE2 0x82 0xAC, 3 UTF-8 bytes
+        0xD55C, // U+D55C (한)--> 0xED 0x95 0x9C, 3 UTF-8 bytes
+        0xD801, 0xDC37, // U+10437 (𐐷) --> 0xF0 0x90 0x90 0xB7, 4 UTF-8 bytes
+    }, {
+        '\x24',
+        '\xC2', '\xA3',
+        '\xE0', '\xA4', '\xB9',
+        '\xE2', '\x82', '\xAC',
+        '\xED', '\x95', '\x9C',
+        '\xF0', '\x90', '\x90', '\xB7',
+    });
 }
 
 TEST_F(UnicodeTest, strstr16EmptyTarget) {
diff --git a/rootdir/etc/linker.config.json b/rootdir/etc/linker.config.json
index 3a98fdb..47f77b1 100644
--- a/rootdir/etc/linker.config.json
+++ b/rootdir/etc/linker.config.json
@@ -22,17 +22,16 @@
     "libnetd_resolv.so",
     // netd
     "libnetd_updatable.so",
-    // nn
-    "libneuralnetworks.so",
     // statsd
     "libstatspull.so",
     "libstatssocket.so",
-    // tethering LLNDK
-    "libcom.android.tethering.connectivity_native.so",
     // adbd
     "libadb_pairing_auth.so",
     "libadb_pairing_connection.so",
     "libadb_pairing_server.so"
+
+    // LLNDK libraries in APEXes will be added automatically from the build,
+    // using build variable LLNDK_MOVED_TO_APEX_LIBRARIES.
   ],
   "provideLibs": [
     "libaptX_encoder.so",
diff --git a/rootdir/init.rc b/rootdir/init.rc
index f05c0bf..1131f3f 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -1108,6 +1108,7 @@
     # are not aware of using fsync()/sync() to prepare sudden power-cut.
     write /dev/sys/fs/by-name/userdata/cp_interval 200
     write /dev/sys/fs/by-name/userdata/gc_urgent_sleep_time 50
+    write /dev/sys/fs/by-name/userdata/iostat_period_ms 1000
     write /dev/sys/fs/by-name/userdata/iostat_enable 1
 
     # set readahead multiplier for POSIX_FADV_SEQUENTIAL files
diff --git a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
index 7d58162..b696ff9 100644
--- a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
+++ b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
@@ -91,7 +91,7 @@
 }  // namespace
 
 ScopedAStatus TrustyKeyMintDevice::getHardwareInfo(KeyMintHardwareInfo* info) {
-    info->versionNumber = 2;
+    info->versionNumber = 3;
     info->securityLevel = kSecurityLevel;
     info->keyMintName = "TrustyKeyMintDevice";
     info->keyMintAuthorName = "Google";
diff --git a/trusty/keymaster/keymint/service.cpp b/trusty/keymaster/keymint/service.cpp
index 3447b27..14549d2 100644
--- a/trusty/keymaster/keymint/service.cpp
+++ b/trusty/keymaster/keymint/service.cpp
@@ -41,7 +41,7 @@
 
 int main() {
     auto trustyKeymaster = std::make_shared<keymaster::TrustyKeymaster>();
-    int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_2);
+    int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_3);
     if (err != 0) {
         LOG(FATAL) << "Could not initialize TrustyKeymaster for KeyMint (" << err << ")";
         return -1;
diff --git a/trusty/keymint/Android.bp b/trusty/keymint/Android.bp
new file mode 100644
index 0000000..54aadaa
--- /dev/null
+++ b/trusty/keymint/Android.bp
@@ -0,0 +1,37 @@
+//
+// Copyright (C) 2022 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.
+
+rust_binary {
+    name: "android.hardware.security.keymint-service.rust.trusty",
+    relative_install_path: "hw",
+    vendor: true,
+    init_rc: ["android.hardware.security.keymint-service.rust.trusty.rc"],
+    vintf_fragments: ["android.hardware.security.keymint-service.rust.trusty.xml"],
+    srcs: [
+        "src/keymint_hal_main.rs"
+    ],
+    rustlibs: [
+        "libandroid_logger",
+        "libbinder_rs",
+        "libkmr_wire",
+        "libkmr_hal",
+        "libtrusty-rs",
+        "liblibc",
+        "liblog_rust",
+    ],
+    required: [
+        "android.hardware.hardware_keystore.xml",
+    ],
+}
diff --git a/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml b/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml
new file mode 100644
index 0000000..cd656b2
--- /dev/null
+++ b/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<permissions>
+  <feature name="android.hardware.hardware_keystore" version="300" />
+</permissions>
diff --git a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc
new file mode 100644
index 0000000..e3d94c6
--- /dev/null
+++ b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc
@@ -0,0 +1,7 @@
+service vendor.keymint.rust-trusty /vendor/bin/hw/android.hardware.security.keymint-service.rust.trusty
+    class early_hal
+    user nobody
+    group drmrpc
+    # The keymint service is not allowed to restart.
+    # If it crashes, a device restart is required.
+    oneshot
\ No newline at end of file
diff --git a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml
new file mode 100644
index 0000000..3dc9c88
--- /dev/null
+++ b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml
@@ -0,0 +1,20 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.security.keymint</name>
+        <version>3</version>
+        <fqname>IKeyMintDevice/default</fqname>
+    </hal>
+    <hal format="aidl">
+        <name>android.hardware.security.secureclock</name>
+        <fqname>ISecureClock/default</fqname>
+    </hal>
+    <hal format="aidl">
+        <name>android.hardware.security.sharedsecret</name>
+        <fqname>ISharedSecret/default</fqname>
+    </hal>
+    <hal format="aidl">
+        <name>android.hardware.security.keymint</name>
+        <version>3</version>
+        <fqname>IRemotelyProvisionedComponent/default</fqname>
+    </hal>
+</manifest>
diff --git a/trusty/keymint/src/keymint_hal_main.rs b/trusty/keymint/src/keymint_hal_main.rs
new file mode 100644
index 0000000..d2d5f27
--- /dev/null
+++ b/trusty/keymint/src/keymint_hal_main.rs
@@ -0,0 +1,155 @@
+//
+// Copyright (C) 2022 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.
+
+//! This module implements the HAL service for Keymint (Rust) in Trusty.
+use kmr_hal::{keymint, rpc, secureclock, send_hal_info, sharedsecret, SerializedChannel};
+use log::{error, info};
+use std::{
+    ffi::CString,
+    ops::DerefMut,
+    panic,
+    sync::{Arc, Mutex},
+};
+use trusty::DEFAULT_DEVICE;
+
+const TRUSTY_KEYMINT_RUST_SERVICE_NAME: &str = "com.android.trusty.keymint";
+
+static SERVICE_INSTANCE: &str = "default";
+
+static KM_SERVICE_NAME: &str = "android.hardware.security.keymint.IKeyMintDevice";
+static RPC_SERVICE_NAME: &str = "android.hardware.security.keymint.IRemotelyProvisionedComponent";
+static SECURE_CLOCK_SERVICE_NAME: &str = "android.hardware.security.secureclock.ISecureClock";
+static SHARED_SECRET_SERVICE_NAME: &str = "android.hardware.security.sharedsecret.ISharedSecret";
+
+/// Local error type for failures in the HAL service.
+#[derive(Debug, Clone)]
+struct HalServiceError(String);
+
+#[derive(Debug)]
+struct TipcChannel(trusty::TipcChannel);
+
+impl SerializedChannel for TipcChannel {
+    fn execute(&mut self, serialized_req: &[u8]) -> binder::Result<Vec<u8>> {
+        self.0.send(serialized_req).map_err(|e| {
+            binder::Status::new_exception(
+                binder::ExceptionCode::TRANSACTION_FAILED,
+                Some(
+                    &CString::new(format!(
+                        "Failed to send the request via tipc channel because of {:?}",
+                        e
+                    ))
+                    .unwrap(),
+                ),
+            )
+        })?;
+        let mut recv_buf = Vec::new();
+        // TODO(b/253501976): cope with fragmentation of responses
+        self.0.recv(&mut recv_buf).map_err(|e| {
+            binder::Status::new_exception(
+                binder::ExceptionCode::TRANSACTION_FAILED,
+                Some(
+                    &CString::new(format!(
+                        "Failed to receive the response via tipc channel because of {:?}",
+                        e
+                    ))
+                    .unwrap(),
+                ),
+            )
+        })?;
+        Ok(recv_buf)
+    }
+}
+
+fn main() {
+    if let Err(e) = inner_main() {
+        panic!("HAL service failed: {:?}", e);
+    }
+}
+
+fn inner_main() -> Result<(), HalServiceError> {
+    // Initialize Android logging.
+    android_logger::init_once(
+        android_logger::Config::default()
+            .with_tag("keymint-hal-trusty")
+            .with_min_level(log::Level::Info)
+            .with_log_id(android_logger::LogId::System),
+    );
+    // Redirect panic messages to logcat.
+    panic::set_hook(Box::new(|panic_info| {
+        error!("{}", panic_info);
+    }));
+
+    info!("Trusty KM HAL service is starting.");
+
+    info!("Starting thread pool now.");
+    binder::ProcessState::start_thread_pool();
+
+    // Create connection to the TA
+    let connection = trusty::TipcChannel::connect(DEFAULT_DEVICE, TRUSTY_KEYMINT_RUST_SERVICE_NAME)
+        .map_err(|e| {
+            HalServiceError(format!("Failed to connect to Trusty Keymint TA because of {:?}.", e))
+        })?;
+    let tipc_channel = Arc::new(Mutex::new(TipcChannel(connection)));
+
+    // Register the Keymint service
+    let km_service = keymint::Device::new_as_binder(tipc_channel.clone());
+    let km_service_name = format!("{}/{}", KM_SERVICE_NAME, SERVICE_INSTANCE);
+    binder::add_service(&km_service_name, km_service.as_binder()).map_err(|e| {
+        HalServiceError(format!(
+            "Failed to register service {} because of {:?}.",
+            km_service_name, e
+        ))
+    })?;
+
+    // Register the Remotely Provisioned Component service
+    let rpc_service = rpc::Device::new_as_binder(tipc_channel.clone());
+    let rpc_service_name = format!("{}/{}", RPC_SERVICE_NAME, SERVICE_INSTANCE);
+    binder::add_service(&rpc_service_name, rpc_service.as_binder()).map_err(|e| {
+        HalServiceError(format!(
+            "Failed to register service {} because of {:?}.",
+            rpc_service_name, e
+        ))
+    })?;
+
+    // Register the Secure Clock service
+    let sclock_service = secureclock::Device::new_as_binder(tipc_channel.clone());
+    let sclock_service_name = format!("{}/{}", SECURE_CLOCK_SERVICE_NAME, SERVICE_INSTANCE);
+    binder::add_service(&sclock_service_name, sclock_service.as_binder()).map_err(|e| {
+        HalServiceError(format!(
+            "Failed to register service {} because of {:?}.",
+            sclock_service_name, e
+        ))
+    })?;
+
+    // Register the Shared Secret service
+    let ssecret_service = sharedsecret::Device::new_as_binder(tipc_channel.clone());
+    let ssecret_service_name = format!("{}/{}", SHARED_SECRET_SERVICE_NAME, SERVICE_INSTANCE);
+    binder::add_service(&ssecret_service_name, ssecret_service.as_binder()).map_err(|e| {
+        HalServiceError(format!(
+            "Failed to register service {} because of {:?}.",
+            ssecret_service_name, e
+        ))
+    })?;
+
+    // Send the HAL service information to the TA
+    send_hal_info(tipc_channel.lock().unwrap().deref_mut())
+        .map_err(|e| HalServiceError(format!("Failed to populate HAL info: {:?}", e)))?;
+
+    info!("Successfully registered KeyMint HAL services.");
+    info!("Joining thread pool now.");
+    binder::ProcessState::join_thread_pool();
+    info!("KeyMint HAL service is terminating."); // should not reach here
+    Ok(())
+}
diff --git a/trusty/storage/proxy/Android.bp b/trusty/storage/proxy/Android.bp
index 94f26d8..e952ee0 100644
--- a/trusty/storage/proxy/Android.bp
+++ b/trusty/storage/proxy/Android.bp
@@ -32,11 +32,11 @@
 
     shared_libs: [
         "libbase",
+        "libcutils",
         "liblog",
         "libhardware_legacy",
     ],
     header_libs: [
-        "libcutils_headers",
         "libgsi_headers",
     ],
 
diff --git a/trusty/storage/proxy/storage.c b/trusty/storage/proxy/storage.c
index c531cfd..033dc21 100644
--- a/trusty/storage/proxy/storage.c
+++ b/trusty/storage/proxy/storage.c
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include <cutils/properties.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
@@ -43,6 +44,22 @@
 
 static const char *ssdir_name;
 
+/*
+ * Property set to 1 after we have opened a file under ssdir_name. The backing
+ * files for both TD and TDP are currently located under /data/vendor/ss and can
+ * only be opened once userdata is mounted. This storageproxyd service is
+ * restarted when userdata is available, which causes the Trusty storage service
+ * to reconnect and attempt to open the backing files for TD and TDP. Once we
+ * set this property, other users can expect that the Trusty storage service
+ * ports will be available (although they may block if still being initialized),
+ * and connections will not be reset after this point (assuming the
+ * storageproxyd service stays running).
+ */
+#define FS_READY_PROPERTY "ro.vendor.trusty.storage.fs_ready"
+
+/* has FS_READY_PROPERTY been set? */
+static bool fs_ready_initialized = false;
+
 static enum sync_state fs_state;
 static enum sync_state fd_state[FD_TBL_SIZE];
 
@@ -336,6 +353,16 @@
     ALOGV("%s: \"%s\": fd = %u: handle = %d\n",
           __func__, path, rc, resp.handle);
 
+    /* a backing file has been opened, notify any waiting init steps */
+    if (!fs_ready_initialized) {
+        rc = property_set(FS_READY_PROPERTY, "1");
+        if (rc == 0) {
+            fs_ready_initialized = true;
+        } else {
+            ALOGE("Could not set property %s, rc: %d\n", FS_READY_PROPERTY, rc);
+        }
+    }
+
     return ipc_respond(msg, &resp, sizeof(resp));
 
 err_response:
diff --git a/trusty/test/binder/aidl/ByteEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/ByteEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
index d3a13ac..9c712c0 100644
--- a/trusty/test/binder/aidl/ByteEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+package com.android.trusty.binder.test;
+
 /*
  * Hello, world!
  */
diff --git a/trusty/test/binder/aidl/ITestService.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
similarity index 93%
rename from trusty/test/binder/aidl/ITestService.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
index c6a99c8..cfbb246 100644
--- a/trusty/test/binder/aidl/ITestService.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
@@ -14,10 +14,11 @@
  * limitations under the License.
  */
 
+package com.android.trusty.binder.test;
 
-import ByteEnum;
-import IntEnum;
-import LongEnum;
+import com.android.trusty.binder.test.ByteEnum;
+import com.android.trusty.binder.test.IntEnum;
+import com.android.trusty.binder.test.LongEnum;
 
 interface ITestService {
     const @utf8InCpp String PORT = "com.android.trusty.binder.test.service";
diff --git a/trusty/test/binder/aidl/IntEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/IntEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
index 120e44f..4055b25 100644
--- a/trusty/test/binder/aidl/IntEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+package com.android.trusty.binder.test;
+
 @JavaDerive(toString=true)
 @Backing(type="int")
 enum IntEnum {
diff --git a/trusty/test/binder/aidl/LongEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/LongEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
index 0e9e933..20c64af 100644
--- a/trusty/test/binder/aidl/LongEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+package com.android.trusty.binder.test;
+
 @Backing(type="long")
 enum LongEnum {
     FOO = 100000000000,
diff --git a/trusty/test/binder/aidl/rules.mk b/trusty/test/binder/aidl/rules.mk
index 6154abb..546a370 100644
--- a/trusty/test/binder/aidl/rules.mk
+++ b/trusty/test/binder/aidl/rules.mk
@@ -17,10 +17,12 @@
 
 MODULE := $(LOCAL_DIR)
 
+MODULE_AIDL_PACKAGE := com/android/trusty/binder/test
+
 MODULE_AIDLS := \
-	$(LOCAL_DIR)/ByteEnum.aidl \
-	$(LOCAL_DIR)/IntEnum.aidl \
-	$(LOCAL_DIR)/ITestService.aidl \
-	$(LOCAL_DIR)/LongEnum.aidl \
+	$(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/ByteEnum.aidl \
+	$(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/IntEnum.aidl \
+	$(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/ITestService.aidl \
+	$(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/LongEnum.aidl \
 
 include make/aidl.mk