diff --git a/adb/adb.cpp b/adb/adb.cpp
index 2dd22b3..050ba49 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -337,9 +337,12 @@
             case ADB_AUTH_SIGNATURE: {
                 // TODO: Switch to string_view.
                 std::string signature(p->payload.begin(), p->payload.end());
-                if (adbd_auth_verify(t->token, sizeof(t->token), signature)) {
+                std::string auth_key;
+                if (adbd_auth_verify(t->token, sizeof(t->token), signature, &auth_key)) {
                     adbd_auth_verified(t);
                     t->failed_auth_attempts = 0;
+                    t->auth_key = auth_key;
+                    adbd_notify_framework_connected_key(t);
                 } else {
                     if (t->failed_auth_attempts++ > 256) std::this_thread::sleep_for(1s);
                     send_auth_request(t);
@@ -348,7 +351,8 @@
             }
 
             case ADB_AUTH_RSAPUBLICKEY:
-                adbd_auth_confirm_key(p->payload.data(), p->msg.data_length, t);
+                t->auth_key = std::string(p->payload.data());
+                adbd_auth_confirm_key(t);
                 break;
 #endif
             default:
diff --git a/adb/adb.h b/adb/adb.h
index 3a6f059..9324cee 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -33,6 +33,7 @@
 
 constexpr size_t MAX_PAYLOAD_V1 = 4 * 1024;
 constexpr size_t MAX_PAYLOAD = 1024 * 1024;
+constexpr size_t MAX_FRAMEWORK_PAYLOAD = 64 * 1024;
 
 constexpr size_t LINUX_MAX_SOCKET_SIZE = 4194304;
 
diff --git a/adb/adb_auth.h b/adb/adb_auth.h
index 2fc8478..2be9a76 100644
--- a/adb/adb_auth.h
+++ b/adb/adb_auth.h
@@ -50,8 +50,10 @@
 void adbd_auth_verified(atransport *t);
 
 void adbd_cloexec_auth_socket();
-bool adbd_auth_verify(const char* token, size_t token_size, const std::string& sig);
-void adbd_auth_confirm_key(const char* data, size_t len, atransport* t);
+bool adbd_auth_verify(const char* token, size_t token_size, const std::string& sig,
+                      std::string* auth_key);
+void adbd_auth_confirm_key(atransport* t);
+void adbd_notify_framework_connected_key(atransport* t);
 
 void send_auth_request(atransport *t);
 
diff --git a/adb/daemon/auth.cpp b/adb/daemon/auth.cpp
index a829bac..a18afa4 100644
--- a/adb/daemon/auth.cpp
+++ b/adb/daemon/auth.cpp
@@ -26,7 +26,9 @@
 #include <resolv.h>
 #include <stdio.h>
 #include <string.h>
+#include <iomanip>
 
+#include <algorithm>
 #include <memory>
 
 #include <android-base/file.h>
@@ -38,7 +40,9 @@
 
 static fdevent* listener_fde = nullptr;
 static fdevent* framework_fde = nullptr;
-static int framework_fd = -1;
+static auto& framework_mutex = *new std::mutex();
+static int framework_fd GUARDED_BY(framework_mutex) = -1;
+static auto& connected_keys GUARDED_BY(framework_mutex) = *new std::vector<std::string>;
 
 static void adb_disconnected(void* unused, atransport* t);
 static struct adisconnect adb_disconnect = {adb_disconnected, nullptr};
@@ -47,13 +51,13 @@
 
 bool auth_required = true;
 
-bool adbd_auth_verify(const char* token, size_t token_size, const std::string& sig) {
+bool adbd_auth_verify(const char* token, size_t token_size, const std::string& sig,
+                      std::string* auth_key) {
     static constexpr const char* key_paths[] = { "/adb_keys", "/data/misc/adb/adb_keys", nullptr };
 
     for (const auto& path : key_paths) {
         if (access(path, R_OK) == 0) {
             LOG(INFO) << "Loading keys from " << path;
-
             std::string content;
             if (!android::base::ReadFileToString(path, &content)) {
                 PLOG(ERROR) << "Couldn't read " << path;
@@ -61,6 +65,8 @@
             }
 
             for (const auto& line : android::base::Split(content, "\n")) {
+                if (line.empty()) continue;
+                *auth_key = line;
                 // TODO: do we really have to support both ' ' and '\t'?
                 char* sep = strpbrk(const_cast<char*>(line.c_str()), " \t");
                 if (sep) *sep = '\0';
@@ -88,9 +94,31 @@
             }
         }
     }
+    auth_key->clear();
     return false;
 }
 
+static bool adbd_send_key_message_locked(std::string_view msg_type, std::string_view key)
+        REQUIRES(framework_mutex) {
+    if (framework_fd < 0) {
+        LOG(ERROR) << "Client not connected to send msg_type " << msg_type;
+        return false;
+    }
+    std::string msg = std::string(msg_type) + std::string(key);
+    int msg_len = msg.length();
+    if (msg_len >= static_cast<int>(MAX_FRAMEWORK_PAYLOAD)) {
+        LOG(ERROR) << "Key too long (" << msg_len << ")";
+        return false;
+    }
+
+    LOG(DEBUG) << "Sending '" << msg << "'";
+    if (!WriteFdExactly(framework_fd, msg.c_str(), msg_len)) {
+        PLOG(ERROR) << "Failed to write " << msg_type;
+        return false;
+    }
+    return true;
+}
+
 static bool adbd_auth_generate_token(void* token, size_t token_size) {
     FILE* fp = fopen("/dev/urandom", "re");
     if (!fp) return false;
@@ -103,12 +131,13 @@
     LOG(INFO) << "ADB disconnect";
     adb_transport = nullptr;
     needs_retry = false;
-    if (framework_fd >= 0) {
-        const char msg[] = "DC";
-        LOG(DEBUG) << "Sending '" << msg << "'";
-        if (!WriteFdExactly(framework_fd, msg, sizeof(msg))) {
-            PLOG(ERROR) << "Failed to send disconnected message";
+    {
+        std::lock_guard<std::mutex> lock(framework_mutex);
+        if (framework_fd >= 0) {
+            adbd_send_key_message_locked("DC", t->auth_key);
         }
+        connected_keys.erase(std::remove(connected_keys.begin(), connected_keys.end(), t->auth_key),
+                             connected_keys.end());
     }
 }
 
@@ -116,7 +145,10 @@
     LOG(INFO) << "Framework disconnect";
     if (framework_fde) {
         fdevent_destroy(framework_fde);
-        framework_fd = -1;
+        {
+            std::lock_guard<std::mutex> lock(framework_mutex);
+            framework_fd = -1;
+        }
     }
 }
 
@@ -134,34 +166,21 @@
     }
 }
 
-void adbd_auth_confirm_key(const char* key, size_t len, atransport* t) {
+void adbd_auth_confirm_key(atransport* t) {
     if (!adb_transport) {
         adb_transport = t;
         t->AddDisconnect(&adb_disconnect);
     }
 
-    if (framework_fd < 0) {
-        LOG(ERROR) << "Client not connected";
-        needs_retry = true;
-        return;
-    }
+    {
+        std::lock_guard<std::mutex> lock(framework_mutex);
+        if (framework_fd < 0) {
+            LOG(ERROR) << "Client not connected";
+            needs_retry = true;
+            return;
+        }
 
-    if (key[len - 1] != '\0') {
-        LOG(ERROR) << "Key must be a null-terminated string";
-        return;
-    }
-
-    char msg[MAX_PAYLOAD_V1];
-    int msg_len = snprintf(msg, sizeof(msg), "PK%s", key);
-    if (msg_len >= static_cast<int>(sizeof(msg))) {
-        LOG(ERROR) << "Key too long (" << msg_len << ")";
-        return;
-    }
-    LOG(DEBUG) << "Sending '" << msg << "'";
-
-    if (!WriteFdExactly(framework_fd, msg, msg_len)) {
-        PLOG(ERROR) << "Failed to write PK";
-        return;
+        adbd_send_key_message_locked("PK", t->auth_key);
     }
 }
 
@@ -172,18 +191,46 @@
         return;
     }
 
-    if (framework_fd >= 0) {
-        LOG(WARNING) << "adb received framework auth socket connection again";
-        framework_disconnected();
+    {
+        std::lock_guard<std::mutex> lock(framework_mutex);
+        if (framework_fd >= 0) {
+            LOG(WARNING) << "adb received framework auth socket connection again";
+            framework_disconnected();
+        }
+
+        framework_fd = s;
+        framework_fde = fdevent_create(framework_fd, adbd_auth_event, nullptr);
+        fdevent_add(framework_fde, FDE_READ);
+
+        if (needs_retry) {
+            needs_retry = false;
+            send_auth_request(adb_transport);
+        }
+
+        // if a client connected before the framework was available notify the framework of the
+        // connected key now.
+        if (!connected_keys.empty()) {
+            for (const auto& key : connected_keys) {
+                adbd_send_key_message_locked("CK", key);
+            }
+        }
     }
+}
 
-    framework_fd = s;
-    framework_fde = fdevent_create(framework_fd, adbd_auth_event, nullptr);
-    fdevent_add(framework_fde, FDE_READ);
-
-    if (needs_retry) {
-        needs_retry = false;
-        send_auth_request(adb_transport);
+void adbd_notify_framework_connected_key(atransport* t) {
+    if (!adb_transport) {
+        adb_transport = t;
+        t->AddDisconnect(&adb_disconnect);
+    }
+    {
+        std::lock_guard<std::mutex> lock(framework_mutex);
+        if (std::find(connected_keys.begin(), connected_keys.end(), t->auth_key) ==
+            connected_keys.end()) {
+            connected_keys.push_back(t->auth_key);
+        }
+        if (framework_fd >= 0) {
+            adbd_send_key_message_locked("CK", t->auth_key);
+        }
     }
 }
 
diff --git a/adb/daemon/usb.cpp b/adb/daemon/usb.cpp
index e6a19a5..b8ace44 100644
--- a/adb/daemon/usb.cpp
+++ b/adb/daemon/usb.cpp
@@ -117,7 +117,7 @@
 
 struct IoBlock {
     bool pending = false;
-    struct iocb control;
+    struct iocb control = {};
     std::shared_ptr<Block> payload;
 
     TransferId id() const { return TransferId::from_value(control.aio_data); }
@@ -295,9 +295,15 @@
                 }
 
                 struct usb_functionfs_event event;
-                if (TEMP_FAILURE_RETRY(adb_read(control_fd_.get(), &event, sizeof(event))) !=
-                    sizeof(event)) {
+                rc = TEMP_FAILURE_RETRY(adb_read(control_fd_.get(), &event, sizeof(event)));
+                if (rc == -1) {
                     PLOG(FATAL) << "failed to read functionfs event";
+                } else if (rc == 0) {
+                    LOG(WARNING) << "hit EOF on functionfs control fd";
+                    break;
+                } else if (rc != sizeof(event)) {
+                    LOG(FATAL) << "read functionfs event of unexpected size, expected "
+                               << sizeof(event) << ", got " << rc;
                 }
 
                 LOG(INFO) << "USB event: "
@@ -362,6 +368,33 @@
                         bound = false;
                         running = false;
                         break;
+
+                    case FUNCTIONFS_SETUP: {
+                        LOG(INFO) << "received FUNCTIONFS_SETUP control transfer: bRequestType = "
+                                  << static_cast<int>(event.u.setup.bRequestType)
+                                  << ", bRequest = " << static_cast<int>(event.u.setup.bRequest)
+                                  << ", wValue = " << static_cast<int>(event.u.setup.wValue)
+                                  << ", wIndex = " << static_cast<int>(event.u.setup.wIndex)
+                                  << ", wLength = " << static_cast<int>(event.u.setup.wLength);
+
+                        if ((event.u.setup.bRequestType & USB_DIR_IN)) {
+                            LOG(WARNING) << "received a device-to-host control transfer, ignoring";
+                        } else {
+                            std::string buf;
+                            buf.resize(event.u.setup.wLength + 1);
+
+                            ssize_t rc = adb_read(control_fd_.get(), buf.data(), buf.size());
+                            if (rc != event.u.setup.wLength) {
+                                LOG(ERROR)
+                                        << "read " << rc
+                                        << " bytes when trying to read control request, expected "
+                                        << event.u.setup.wLength;
+                            }
+
+                            LOG(INFO) << "control request contents: " << buf;
+                            break;
+                        }
+                    }
                 }
             }
 
diff --git a/adb/transport.h b/adb/transport.h
index f4490ed..3473ca2 100644
--- a/adb/transport.h
+++ b/adb/transport.h
@@ -274,6 +274,9 @@
     std::string device;
     std::string devpath;
 
+    // Used to provide the key to the framework.
+    std::string auth_key;
+
     bool IsTcpDevice() const { return type == kTransportLocal; }
 
 #if ADB_HOST
diff --git a/bootstat/boot_reason_test.sh b/bootstat/boot_reason_test.sh
index 71d3ecb..cb09433 100755
--- a/bootstat/boot_reason_test.sh
+++ b/bootstat/boot_reason_test.sh
@@ -25,6 +25,8 @@
 # Best guess to an average device's reboot time, refined as tests return
 DURATION_DEFAULT=45
 STOP_ON_FAILURE=false
+progname="${0##*/}"
+progpath="${0%${progname}}"
 
 # Helper functions
 
@@ -42,11 +44,40 @@
   adb devices | grep -v 'List of devices attached' | grep "^${ANDROID_SERIAL}[${SPACE}${TAB}]" > /dev/null
 }
 
+[ "USAGE: adb_sh <commands> </dev/stdin >/dev/stdout 2>/dev/stderr
+
+Returns: true if the command succeeded" ]
+adb_sh() {
+  local args=
+  for i in "${@}"; do
+    [ -z "${args}" ] || args="${args} "
+    if [ X"${i}" != X"${i#\'}" ]; then
+      args="${args}${i}"
+    elif [ X"${i}" != X"${i#*\\}" ]; then
+      args="${args}`echo ${i} | sed 's/\\\\/\\\\\\\\/g'`"
+    elif [ X"${i}" != X"${i#* }" ]; then
+      args="${args}'${i}'"
+    elif [ X"${i}" != X"${i#*${TAB}}" ]; then
+      args="${args}'${i}'"
+    else
+      args="${args}${i}"
+    fi
+  done
+  adb shell "${args}"
+}
+
+[ "USAGE: adb_su <commands> </dev/stdin >/dev/stdout 2>/dev/stderr
+
+Returns: true if the command running as root succeeded" ]
+adb_su() {
+  adb_sh su root "${@}"
+}
+
 [ "USAGE: hasPstore
 
 Returns: true if device (likely) has pstore data" ]
 hasPstore() {
-  if inAdb && [ 0 -eq `adb shell su root ls /sys/fs/pstore | wc -l` ]; then
+  if inAdb && [ 0 -eq `adb_su ls /sys/fs/pstore </dev/null | wc -l` ]; then
     false
   fi
 }
@@ -55,7 +86,7 @@
 
 Returns the property value" ]
 get_property() {
-  adb shell getprop ${1} 2>&1 </dev/null
+  adb_sh getprop ${1} 2>&1 </dev/null
 }
 
 [ "USAGE: isDebuggable
@@ -89,18 +120,18 @@
 Returns: true if device supports and set boot reason injection" ]
 setBootloaderBootReason() {
   inAdb || ( echo "ERROR: device not in adb mode." >&2 ; false ) || return 1
-  if [ -z "`adb shell ls /etc/init/bootstat-debug.rc 2>/dev/null`" ]; then
+  if [ -z "`adb_sh ls /etc/init/bootstat-debug.rc 2>/dev/null </dev/null`" ]; then
     echo "ERROR: '${TEST}' test requires /etc/init/bootstat-debug.rc" >&2
     return 1
   fi
   checkDebugBuild || return 1
-  if adb shell su root "cat /proc/cmdline | tr '\\0 ' '\\n\\n'" |
+  if adb_su "cat /proc/cmdline | tr '\\0 ' '\\n\\n'" </dev/null |
      grep '^androidboot[.]bootreason=[^ ]' >/dev/null; then
     echo "ERROR: '${TEST}' test requires a device with a bootloader that" >&2
     echo "       does not set androidboot.bootreason kernel parameter." >&2
     return 1
   fi
-  adb shell su root setprop persist.test.boot.reason "'${1}'" 2>/dev/null
+  adb_su setprop persist.test.boot.reason "'${1}'" 2>/dev/null </dev/null
   test_reason="`get_property persist.test.boot.reason`"
   if [ X"${test_reason}" != X"${1}" ]; then
     echo "ERROR: can not set persist.test.boot.reason to '${1}'." >&2
@@ -299,7 +330,14 @@
   return ${save_ret}
 }
 
-[ "USAGE: report_bootstat_logs <expected> ...
+[ "USAGE: adb_date >/dev/stdout
+
+Returns: report device epoch time (suitable for logcat -t)" ]
+adb_date() {
+  adb_sh date +%s.%N </dev/null
+}
+
+[ "USAGE: report_bootstat_logs [-t<timestamp>] <expected> ...
 
 if not prefixed with a minus (-), <expected> will become a series of expected
 matches:
@@ -314,8 +352,11 @@
 report_bootstat_logs() {
   save_ret=${?}
   match=
+  timestamp=-d
   for i in "${@}"; do
-    if [ X"${i}" != X"${i#-}" ] ; then
+    if [ X"${i}" != X"${i#-t}" ]; then
+      timestamp="${i}"
+    elif [ X"${i}" != X"${i#-}" ]; then
       match="${match}
 ${i#-}"
     else
@@ -323,12 +364,13 @@
 bootstat: Canonical boot reason: ${i}"
     fi
   done
-  adb logcat -b all -d |
+  adb logcat -b all ${timestamp} |
   grep bootstat[^e] |
   grep -v -F "bootstat: Service started: /system/bin/bootstat --record_boot_complete${match}
 bootstat: Failed to read /data/misc/bootstat/post_decrypt_time_elapsed: No such file or directory
 bootstat: Failed to parse boot time record: /data/misc/bootstat/post_decrypt_time_elapsed
 bootstat: Service started: /system/bin/bootstat --record_boot_reason
+bootstat: Service started: /system/bin/bootstat --set_system_boot_reason
 bootstat: Service started: /system/bin/bootstat --record_time_since_factory_reset
 bootstat: Service started: /system/bin/bootstat -l
 bootstat: Service started: /system/bin/bootstat --set_system_boot_reason --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l
@@ -341,6 +383,8 @@
 init    : processing action (post-fs-data) from (/system/etc/init/bootstat.rc
 init    : processing action (boot) from (/system/etc/init/bootstat.rc
 init    : processing action (ro.boot.bootreason=*) from (/system/etc/init/bootstat.rc
+init    : processing action (ro.boot.bootreason=* && post-fs) from (/system/etc/init/bootstat.rc
+init    : processing action (zygote-start) from (/system/etc/init/bootstat.rc
 init    : processing action (sys.boot_completed=1 && sys.logbootcomplete=1) from (/system/etc/init/bootstat.rc
  (/system/bin/bootstat --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l)'
  (/system/bin/bootstat --set_system_boot_reason --record_boot_complete --record_boot_reason --record_time_since_factory_reset -l)'
@@ -355,6 +399,8 @@
  (/system/bin/bootstat --record_boot_reason)' (pid${SPACE}
  (/system/bin/bootstat --record_time_since_factory_reset)'...
  (/system/bin/bootstat --record_time_since_factory_reset)' (pid${SPACE}
+ (/system/bin/bootstat --set_system_boot_reason)'...
+ (/system/bin/bootstat --set_system_boot_reason)' (pid${SPACE}
  (/system/bin/bootstat -l)'...
  (/system/bin/bootstat -l)' (pid " |
   grep -v 'bootstat: Unknown boot reason: $' # Hikey Special
@@ -613,7 +659,7 @@
 test_optional_ota() {
   checkDebugBuild || return
   duration_test
-  adb shell su root touch /data/misc/bootstat/build_date >&2
+  adb_su touch /data/misc/bootstat/build_date >&2 </dev/null
   adb reboot ota
   wait_for_screen
   EXPECT_PROPERTY sys.boot.reason reboot,ota
@@ -679,7 +725,7 @@
 test_factory_reset() {
   checkDebugBuild || return
   duration_test
-  adb shell su root rm /data/misc/bootstat/build_date >&2
+  adb_su rm /data/misc/bootstat/build_date >&2 </dev/null
   adb reboot >&2
   wait_for_screen
   EXPECT_PROPERTY sys.boot.reason reboot,factory_reset
@@ -715,7 +761,7 @@
   wait_for_screen
   ( exit ${save_ret} )  # because one can not just do ?=${save_ret}
   EXPECT_PROPERTY sys.boot.reason reboot,factory_reset
-  EXPECT_PROPERTY sys.boot.reason.last ""
+  EXPECT_PROPERTY sys.boot.reason.last "\(\|bootloader\)"
   check_boilerplate_properties
   report_bootstat_logs reboot,factory_reset bootloader \
     "-bootstat: Failed to read /data/misc/bootstat/last_boot_time_utc: No such file or directory" \
@@ -766,12 +812,12 @@
   enterPstore
   # Send it _many_ times to combat devices with flakey pstore
   for i in a b c d e f g h i j k l m n o p q r s t u v w x y z; do
-    echo 'healthd: battery l=2 ' | adb shell su root tee /dev/kmsg >/dev/null
+    echo 'healthd: battery l=2 ' | adb_su tee /dev/kmsg >/dev/null
   done
   adb reboot cold >&2
   adb wait-for-device
   wait_for_screen
-  adb shell su root \
+  adb_su </dev/null \
     cat /proc/fs/pstore/console-ramoops \
         /proc/fs/pstore/console-ramoops-0 2>/dev/null |
     grep 'healthd: battery l=' |
@@ -780,7 +826,7 @@
       if ! EXPECT_PROPERTY sys.boot.reason reboot,battery >/dev/null 2>/dev/null; then
         # retry
         for i in a b c d e f g h i j k l m n o p q r s t u v w x y z; do
-          echo 'healthd: battery l=2 ' | adb shell su root tee /dev/kmsg >/dev/null
+          echo 'healthd: battery l=2 ' | adb_su tee /dev/kmsg >/dev/null
         done
         adb reboot cold >&2
         adb wait-for-device
@@ -806,7 +852,7 @@
 test_optional_battery() {
   duration_test ">60"
   echo "      power on request" >&2
-  adb shell setprop sys.powerctl shutdown,battery
+  adb_sh setprop sys.powerctl shutdown,battery </dev/null
   sleep 5
   echo -n "WARNING: Please power device back up, waiting ... " >&2
   wait_for_screen -n >&2
@@ -827,7 +873,7 @@
 test_optional_battery_thermal() {
   duration_test ">60"
   echo "      power on request" >&2
-  adb shell setprop sys.powerctl shutdown,thermal,battery
+  adb_sh setprop sys.powerctl shutdown,thermal,battery </dev/null
   sleep 5
   echo -n "WARNING: Please power device back up, waiting ... " >&2
   wait_for_screen -n >&2
@@ -866,7 +912,7 @@
     panic_msg="\(kernel_panic,sysrq\|kernel_panic\)"
     pstore_ok=true
   fi
-  echo c | adb shell su root tee /proc/sysrq-trigger >/dev/null
+  echo c | adb_su tee /proc/sysrq-trigger >/dev/null
   wait_for_screen
   EXPECT_PROPERTY sys.boot.reason ${panic_msg}
   EXPECT_PROPERTY sys.boot.reason.last ${panic_msg}
@@ -893,8 +939,8 @@
     panic_msg="\(kernel_panic,sysrq,test\|kernel_panic\)"
     pstore_ok=true
   fi
-  echo "SysRq : Trigger a crash : 'test'" | adb shell su root tee /dev/kmsg
-  echo c | adb shell su root tee /proc/sysrq-trigger >/dev/null
+  echo "SysRq : Trigger a crash : 'test'" | adb_su tee /dev/kmsg
+  echo c | adb_su tee /proc/sysrq-trigger >/dev/null
   wait_for_screen
   EXPECT_PROPERTY sys.boot.reason ${panic_msg}
   EXPECT_PROPERTY sys.boot.reason.last ${panic_msg}
@@ -924,7 +970,7 @@
     pstore_ok=true
   fi
   echo "Kernel panic - not syncing: hung_task: blocked tasks" |
-    adb shell su root tee /dev/kmsg
+    adb_su tee /dev/kmsg
   adb reboot warm
   wait_for_screen
   EXPECT_PROPERTY sys.boot.reason ${panic_msg}
@@ -956,7 +1002,7 @@
 test_thermal_shutdown() {
   duration_test ">60"
   echo "      power on request" >&2
-  adb shell setprop sys.powerctl shutdown,thermal
+  adb_sh setprop sys.powerctl shutdown,thermal </dev/null
   sleep 5
   echo -n "WARNING: Please power device back up, waiting ... " >&2
   wait_for_screen -n >&2
@@ -977,7 +1023,7 @@
 test_userrequested_shutdown() {
   duration_test ">60"
   echo "      power on request" >&2
-  adb shell setprop sys.powerctl shutdown,userrequested
+  adb_sh setprop sys.powerctl shutdown,userrequested </dev/null
   sleep 5
   echo -n "WARNING: Please power device back up, waiting ... " >&2
   wait_for_screen -n >&2
@@ -996,7 +1042,7 @@
 - NB: should report reboot,shell" ]
 test_shell_reboot() {
   duration_test
-  adb shell reboot
+  adb_sh reboot </dev/null
   wait_for_screen
   EXPECT_PROPERTY sys.boot.reason reboot,shell
   EXPECT_PROPERTY sys.boot.reason.last reboot,shell
@@ -1032,7 +1078,7 @@
 test_optional_rescueparty() {
   blind_reboot_test
   echo "WARNING: legacy devices are allowed to fail following ro.boot.bootreason result" >&2
-  EXPECT_PROPERTY ro.boot.bootreason reboot,rescueparty
+  EXPECT_PROPERTY ro.boot.bootreason '\(reboot\|reboot,rescueparty\)'
 }
 
 [ "USAGE: test_Its_Just_So_Hard_reboot
@@ -1049,7 +1095,7 @@
   else
     duration_test `expr ${DURATION_DEFAULT} + ${DURATION_DEFAULT}`
   fi
-  adb shell 'reboot "Its Just So Hard"'
+  adb_sh 'reboot "Its Just So Hard"' </dev/null
   wait_for_screen
   EXPECT_PROPERTY sys.boot.reason reboot,its_just_so_hard
   EXPECT_PROPERTY sys.boot.reason.last reboot,its_just_so_hard
@@ -1146,7 +1192,113 @@
   run_bootloader
 }
 
-[ "USAGE: ${0##*/} [-s SERIAL] [tests]
+[ "USAGE: run_kBootReasonMap [--boot_reason_enum] value expected
+
+bootloader boot reason injection tests:
+- if --boot_reason_enum run bootstat executable for result instead.
+- inject boot reason into sys.boot.reason
+- run bootstat --set_system_boot_reason
+- check for expected enum
+- " ]
+run_kBootReasonMap() {
+  if [ X"--boot_reason_enum" = X"${1}" ]; then
+    shift
+    local sys_expected="${1}"
+    shift
+    local enum_expected="${1}"
+    adb_su bootstat --boot_reason_enum="${sys_expected}" |
+      (
+        local retval=-1
+        while read -r id match; do
+          if [ ${retval} = -1 -a ${enum_expected} = ${id} ]; then
+            retval=0
+          fi
+          if [ ${enum_expected} != ${id} ]; then
+            echo "ERROR: ${enum_expected} ${sys_expected} got ${id} ${match}" >&2
+            retval=1
+          fi
+        done
+        exit ${retval}
+      )
+    return
+  fi
+  local sys_expected="${1}"
+  shift
+  local enum_expected="${1}"
+  adb_su setprop sys.boot.reason "${sys_expected}" </dev/null
+  adb_su bootstat --record_boot_reason </dev/null
+  # Check values
+  EXPECT_PROPERTY sys.boot.reason "${sys_expected}"
+  local retval=${?}
+  local result=`adb_su stat -c %Y /data/misc/bootstat/system_boot_reason </dev/null 2>/dev/null`
+  [ "${enum_expected}" = "${result}" ] ||
+    (
+      [ -n "${result}" ] || result="<nothing>"
+      echo "ERROR: ${enum_expected} ${sys_expected} got ${result}" >&2
+      false
+    ) ||
+    retval=${?}
+  return ${retval}
+}
+
+[ "USAGE: filter_kBootReasonMap </dev/stdin >/dev/stdout
+
+convert any regex expressions into a series of non-regex test strings" ]
+filter_kBootReasonMap() {
+  while read -r id match; do
+    case ${match} in
+      'reboot,[empty]')
+        echo ${id}          # matches b/c of special case
+        echo ${id} reboot,y # matches b/c of regex
+        echo 1 reboot,empty # negative test (ID for unknown is 1)
+        ;;
+      reboot)
+        echo 1 reboo        # negative test (ID for unknown is 1)
+        ;;
+    esac
+    echo ${id} "${match}"   # matches b/c of exact
+  done
+}
+
+[ "USAGE: test_kBootReasonMap
+
+kBootReasonMap test
+- (wait until screen is up, boot has completed)
+- read bootstat for kBootReasonMap entries and test them all" ]
+test_kBootReasonMap() {
+  local tempfile="`mktemp`"
+  local arg=--boot_reason_enum
+  adb_su bootstat ${arg} </dev/null 2>/dev/null |
+    filter_kBootReasonMap >${tempfile}
+  if [ ! -s "${tempfile}" ]; then
+    wait_for_screen
+    arg=
+    sed -n <${progpath}bootstat.cpp \
+      '/kBootReasonMap = {/,/^};/s/.*{"\([^"]*\)", *\([0-9][0-9]*\)},.*/\2 \1/p' |
+      sed 's/\\\\/\\/g' |
+      filter_kBootReasonMap >${tempfile}
+  fi
+  T=`adb_date`
+  retval=0
+  while read -r enum string; do
+    if [ X"${string}" != X"${string#*[[].[]]}" -o X"${string}" != X"${string#*\\.}" ]; then
+      if [ 'reboot\.empty' != "${string}" ]; then
+        echo "WARNING: regex snuck through filter_kBootReasonMap ${enum} ${string}" >&2
+        enum=1
+      fi
+    fi
+    run_kBootReasonMap ${arg} "${string}" "${enum}" </dev/null || retval=${?}
+  done <${tempfile}
+  rm ${tempfile}
+  ( exit ${retval} )
+  # See filter_kBootReasonMap() for negative tests and add them here too
+  report_bootstat_logs -t${T} \
+    '-bootstat: Service started: bootstat --boot_reason_enum=' \
+    '-bootstat: Unknown boot reason: reboot,empty' \
+    '-bootstat: Unknown boot reason: reboo'
+}
+
+[ "USAGE: ${progname} [-s SERIAL] [tests]...
 
 Mainline executive to run the above tests" ]
 
@@ -1161,7 +1313,7 @@
 if [ X"--macros" != X"${1}" ]; then
 
   if [ X"--help" = X"${1}" -o X"-h" = X"${1}" -o X"-?" = X"${1}" ]; then
-    echo "USAGE: ${0##*/} [-s SERIAL] [tests]"
+    echo "USAGE: ${progname} [-s SERIAL] [tests]..."
     echo tests - `sed -n 's/^test_\([^ ()]*\)() {/\1/p' $0 </dev/null`
     exit 0
   fi
@@ -1210,7 +1362,7 @@
                Its_Just_So_Hard_reboot bootloader_normal bootloader_watchdog \
                bootloader_kernel_panic bootloader_oem_powerkey \
                bootloader_wdog_reset bootloader_cold bootloader_warm \
-               bootloader_hard bootloader_recovery
+               bootloader_hard bootloader_recovery kBootReasonMap
     fi
     if [ X"nothing" = X"${1}" ]; then
       shift 1
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index 1ce0ec4..558e6c4 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -89,7 +89,7 @@
 }
 
 void ShowHelp(const char* cmd) {
-  fprintf(stderr, "Usage: %s [options]\n", cmd);
+  fprintf(stderr, "Usage: %s [options]...\n", cmd);
   fprintf(stderr,
           "options include:\n"
           "  -h, --help              Show this help\n"
@@ -99,7 +99,8 @@
           "  --value                 Optional value to associate with the boot event\n"
           "  --record_boot_complete  Record metrics related to the time for the device boot\n"
           "  --record_boot_reason    Record the reason why the device booted\n"
-          "  --record_time_since_factory_reset Record the time since the device was reset\n");
+          "  --record_time_since_factory_reset  Record the time since the device was reset\n"
+          "  --boot_reason_enum=<reason>  Report the match to the kBootReasonMap table\n");
 }
 
 // Constructs a readable, printable string from the givencommand line
@@ -120,9 +121,10 @@
 // A mapping from boot reason string, as read from the ro.boot.bootreason
 // system property, to a unique integer ID. Viewers of log data dashboards for
 // the boot_reason metric may refer to this mapping to discern the histogram
-// values.
+// values.  Regex matching, to manage the scale, as a minimum require either
+// [, \ or * to be present in the string to switch to checking.
 const std::map<std::string, int32_t> kBootReasonMap = {
-    {"empty", kEmptyBootReason},
+    {"reboot,[empty]", kEmptyBootReason},
     {"__BOOTSTAT_UNKNOWN__", kUnknownBootReason},
     {"normal", 2},
     {"recovery", 3},
@@ -299,6 +301,9 @@
     {"reboot,dm-verity_device_corrupted", 172},
     {"reboot,dm-verity_enforcing", 173},
     {"reboot,keys_clear", 174},
+    {"reboot,pmic_off_fault,.*", 175},
+    {"reboot,pmic_off_s3rst,.*", 176},
+    {"reboot,pmic_off_other,.*", 177},
 };
 
 // Converts a string value representing the reason the system booted to an
@@ -314,6 +319,16 @@
     return kEmptyBootReason;
   }
 
+  for (const auto& [match, id] : kBootReasonMap) {
+    // Regex matches as a minimum require either [, \ or * to be present.
+    if (match.find_first_of("[\\*") == match.npos) continue;
+    // enforce match from beginning to end
+    auto exact = match;
+    if (exact[0] != '^') exact = "^" + exact;
+    if (exact[exact.size() - 1] != '$') exact = exact + "$";
+    if (std::regex_search(boot_reason, std::regex(exact))) return id;
+  }
+
   LOG(INFO) << "Unknown boot reason: " << boot_reason;
   return kUnknownBootReason;
 }
@@ -1266,6 +1281,19 @@
   boot_event_store.AddBootEventWithValue("time_since_factory_reset", time_since_factory_reset);
 }
 
+// List the associated boot reason(s), if arg is nullptr then all.
+void PrintBootReasonEnum(const char* arg) {
+  int value = -1;
+  if (arg != nullptr) {
+    value = BootReasonStrToEnum(arg);
+  }
+  for (const auto& [match, id] : kBootReasonMap) {
+    if ((value < 0) || (value == id)) {
+      printf("%u\t%s\n", id, match.c_str());
+    }
+  }
+}
+
 }  // namespace
 
 int main(int argc, char** argv) {
@@ -1280,6 +1308,7 @@
   static const char boot_complete_str[] = "record_boot_complete";
   static const char boot_reason_str[] = "record_boot_reason";
   static const char factory_reset_str[] = "record_time_since_factory_reset";
+  static const char boot_reason_enum_str[] = "boot_reason_enum";
   static const struct option long_options[] = {
       // clang-format off
       { "help",                 no_argument,       NULL,   'h' },
@@ -1291,6 +1320,7 @@
       { boot_complete_str,      no_argument,       NULL,   0 },
       { boot_reason_str,        no_argument,       NULL,   0 },
       { factory_reset_str,      no_argument,       NULL,   0 },
+      { boot_reason_enum_str,   optional_argument, NULL,   0 },
       { NULL,                   0,                 NULL,   0 }
       // clang-format on
   };
@@ -1315,6 +1345,8 @@
           RecordBootReason();
         } else if (option_name == factory_reset_str) {
           RecordFactoryReset();
+        } else if (option_name == boot_reason_enum_str) {
+          PrintBootReasonEnum(optarg);
         } else {
           LOG(ERROR) << "Invalid option: " << option_name;
         }
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index c608a8c..cb55745 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -463,6 +463,7 @@
       ThreadInfo info;
       info.pid = target_process;
       info.tid = thread;
+      info.uid = getuid();
       info.process_name = process_name;
       info.thread_name = get_thread_name(thread);
 
diff --git a/fastboot/fuzzy_fastboot/main.cpp b/fastboot/fuzzy_fastboot/main.cpp
index ff918a7..a1d69d2 100644
--- a/fastboot/fuzzy_fastboot/main.cpp
+++ b/fastboot/fuzzy_fastboot/main.cpp
@@ -244,16 +244,29 @@
 // Testing creation/resize/delete of logical partitions
 TEST_F(LogicalPartitionCompliance, CreateResizeDeleteLP) {
     ASSERT_TRUE(UserSpaceFastboot());
+    std::string test_partition_name = "test_partition";
+    std::string slot_count;
+    // Add suffix to test_partition_name if device is slotted.
+    EXPECT_EQ(fb->GetVar("slot-count", &slot_count), SUCCESS) << "getvar slot-count failed";
+    int32_t num_slots = strtol(slot_count.c_str(), nullptr, 10);
+    if (num_slots > 0) {
+        std::string current_slot;
+        EXPECT_EQ(fb->GetVar("current-slot", &current_slot), SUCCESS)
+                << "getvar current-slot failed";
+        std::string slot_suffix = "_" + current_slot;
+        test_partition_name += slot_suffix;
+    }
+
     GTEST_LOG_(INFO) << "Testing 'fastboot create-logical-partition' command";
-    EXPECT_EQ(fb->CreatePartition("test_partition_a", "0"), SUCCESS)
+    EXPECT_EQ(fb->CreatePartition(test_partition_name, "0"), SUCCESS)
             << "create-logical-partition failed";
     GTEST_LOG_(INFO) << "Testing 'fastboot resize-logical-partition' command";
-    EXPECT_EQ(fb->ResizePartition("test_partition_a", "4096"), SUCCESS)
+    EXPECT_EQ(fb->ResizePartition(test_partition_name, "4096"), SUCCESS)
             << "resize-logical-partition failed";
     std::vector<char> buf(4096);
 
     GTEST_LOG_(INFO) << "Flashing a logical partition..";
-    EXPECT_EQ(fb->FlashPartition("test_partition_a", buf), SUCCESS)
+    EXPECT_EQ(fb->FlashPartition(test_partition_name, buf), SUCCESS)
             << "flash logical -partition failed";
     GTEST_LOG_(INFO) << "Rebooting to bootloader mode";
     // Reboot to bootloader mode and attempt to flash the logical partitions
@@ -262,7 +275,7 @@
     ReconnectFastbootDevice();
     ASSERT_FALSE(UserSpaceFastboot());
     GTEST_LOG_(INFO) << "Attempt to flash a logical partition..";
-    EXPECT_EQ(fb->FlashPartition("test_partition", buf), DEVICE_FAIL)
+    EXPECT_EQ(fb->FlashPartition(test_partition_name, buf), DEVICE_FAIL)
             << "flash logical partition must fail in bootloader";
     GTEST_LOG_(INFO) << "Rebooting back to fastbootd mode";
     fb->RebootTo("fastboot");
@@ -270,7 +283,7 @@
     ReconnectFastbootDevice();
     ASSERT_TRUE(UserSpaceFastboot());
     GTEST_LOG_(INFO) << "Testing 'fastboot delete-logical-partition' command";
-    EXPECT_EQ(fb->DeletePartition("test_partition_a"), SUCCESS)
+    EXPECT_EQ(fb->DeletePartition(test_partition_name), SUCCESS)
             << "delete logical-partition failed";
 }
 
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index c1aafda..3ea479e 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -390,7 +390,7 @@
 // Set the number of reserved filesystem blocks if needed.
 static void tune_reserved_size(const std::string& blk_device, const FstabEntry& entry,
                                const struct ext4_super_block* sb, int* fs_stat) {
-    if (entry.reserved_size != 0) {
+    if (entry.reserved_size == 0) {
         return;
     }
 
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index da049ef..e7c175f 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -704,7 +704,9 @@
     constexpr const char kSkipMountConfig[] = "/system/etc/init/config/skip_mount.cfg";
 
     std::string skip_config;
+    auto save_errno = errno;
     if (!ReadFileToString(kSkipMountConfig, &skip_config)) {
+        errno = save_errno;  // missing file is expected
         return true;
     }
 
diff --git a/fs_mgr/fs_mgr_overlayfs.cpp b/fs_mgr/fs_mgr_overlayfs.cpp
index dc2530e..c252ab5 100644
--- a/fs_mgr/fs_mgr_overlayfs.cpp
+++ b/fs_mgr/fs_mgr_overlayfs.cpp
@@ -139,7 +139,11 @@
     // If we have access issues to find out space remaining, return true
     // to prevent us trying to override with overlayfs.
     struct statvfs vst;
-    if (statvfs(mount_point.c_str(), &vst)) return true;
+    auto save_errno = errno;
+    if (statvfs(mount_point.c_str(), &vst)) {
+        errno = save_errno;
+        return true;
+    }
 
     static constexpr int kPercentThreshold = 1;  // 1%
 
@@ -159,6 +163,9 @@
     auto save_errno = errno;
     errno = 0;
     auto has_shared_blocks = fs_mgr_has_shared_blocks(entry->mount_point, entry->blk_device);
+    if (!has_shared_blocks && (entry->mount_point == "/system")) {
+        has_shared_blocks = fs_mgr_has_shared_blocks("/", entry->blk_device);
+    }
     // special case for first stage init for system as root (taimen)
     if (!has_shared_blocks && (errno == ENOENT) && (entry->blk_device == "/dev/root")) {
         has_shared_blocks = true;
@@ -262,9 +269,11 @@
 
 bool fs_mgr_overlayfs_already_mounted(const std::string& mount_point, bool overlay_only = true) {
     Fstab fstab;
+    auto save_errno = errno;
     if (!ReadFstabFromFile("/proc/mounts", &fstab)) {
         return false;
     }
+    errno = save_errno;
     const auto lowerdir = kLowerdirOption + mount_point;
     for (const auto& entry : fstab) {
         if (overlay_only && "overlay" != entry.fs_type && "overlayfs" != entry.fs_type) continue;
diff --git a/fs_mgr/fs_mgr_remount.cpp b/fs_mgr/fs_mgr_remount.cpp
index 093d44d..fcacd2a 100644
--- a/fs_mgr/fs_mgr_remount.cpp
+++ b/fs_mgr/fs_mgr_remount.cpp
@@ -255,7 +255,7 @@
         auto& mount_point = entry.mount_point;
         if (fs_mgr_is_verity_enabled(entry)) {
             retval = VERITY_PARTITION;
-            if (android::base::GetProperty("ro.boot.vbmeta.devices_state", "") != "locked") {
+            if (android::base::GetProperty("ro.boot.vbmeta.device_state", "") != "locked") {
                 if (AvbOps* ops = avb_ops_user_new()) {
                     auto ret = avb_user_verity_set(
                             ops, android::base::GetProperty("ro.boot.slot_suffix", "").c_str(),
@@ -371,17 +371,13 @@
                 continue;
             }
         }
-        PLOG(WARNING) << "failed to remount partition dev:" << blk_device << " mnt:" << mount_point;
-        // If errno = EROFS at this point, we are dealing with r/o
+        PLOG(ERROR) << "failed to remount partition dev:" << blk_device << " mnt:" << mount_point;
+        // If errno is EROFS at this point, we are dealing with r/o
         // filesystem types like squashfs, erofs or ext4 dedupe. We will
         // consider such a device that does not have CONFIG_OVERLAY_FS
-        // in the kernel as a misconfigured; except for ext4 dedupe.
-        if ((errno == EROFS) && can_reboot) {
-            const std::vector<std::string> msg = {"--fsck_unshare_blocks"};
-            std::string err;
-            if (write_bootloader_message(msg, &err)) reboot(true);
-            LOG(ERROR) << "Failed to set bootloader message: " << err;
-            errno = EROFS;
+        // in the kernel as a misconfigured.
+        if (errno == EROFS) {
+            LOG(ERROR) << "Consider providing all the dependencies to enable overlayfs";
         }
         retval = REMOUNT_FAILED;
     }
diff --git a/fs_mgr/libfs_avb/fs_avb.cpp b/fs_mgr/libfs_avb/fs_avb.cpp
index 04776ed..c4d7511 100644
--- a/fs_mgr/libfs_avb/fs_avb.cpp
+++ b/fs_mgr/libfs_avb/fs_avb.cpp
@@ -338,6 +338,7 @@
                                nullptr /* custom_device_path */);
 }
 
+// TODO(b/128807537): removes this function.
 AvbUniquePtr AvbHandle::Open() {
     bool is_device_unlocked = IsDeviceUnlocked();
 
@@ -353,25 +354,28 @@
     AvbSlotVerifyResult verify_result =
             avb_ops.AvbSlotVerify(fs_mgr_get_slot_suffix(), flags, &avb_handle->vbmeta_images_);
 
-    // Only allow two verify results:
+    // Only allow the following verify results:
     //   - AVB_SLOT_VERIFY_RESULT_OK.
-    //   - AVB_SLOT_VERIFY_RESULT_ERROR_VERIFICATION (for UNLOCKED state).
-    //     If the device is UNLOCKED, i.e., |allow_verification_error| is true for
-    //     AvbSlotVerify(), then the following return values are all non-fatal:
-    //       * AVB_SLOT_VERIFY_RESULT_ERROR_VERIFICATION
-    //       * AVB_SLOT_VERIFY_RESULT_ERROR_PUBLIC_KEY_REJECTED
-    //       * AVB_SLOT_VERIFY_RESULT_ERROR_ROLLBACK_INDEX
-    //     The latter two results were checked by bootloader prior to start fs_mgr so
-    //     we just need to handle the first result here. See *dummy* operations in
-    //     FsManagerAvbOps and the comments in external/avb/libavb/avb_slot_verify.h
-    //     for more details.
+    //   - AVB_SLOT_VERIFY_RESULT_ERROR_VERIFICATION (UNLOCKED only).
+    //     Might occur in either the top-level vbmeta or a chained vbmeta.
+    //   - AVB_SLOT_VERIFY_RESULT_ERROR_PUBLIC_KEY_REJECTED (UNLOCKED only).
+    //     Could only occur in a chained vbmeta. Because we have *dummy* operations in
+    //     FsManagerAvbOps such that avb_ops->validate_vbmeta_public_key() used to validate
+    //     the public key of the top-level vbmeta always pass in userspace here.
+    //
+    // The following verify result won't happen, because the *dummy* operation
+    // avb_ops->read_rollback_index() always returns the minimum value zero. So rollbacked
+    // vbmeta images, which should be caught in the bootloader stage, won't be detected here.
+    //   - AVB_SLOT_VERIFY_RESULT_ERROR_ROLLBACK_INDEX
     switch (verify_result) {
         case AVB_SLOT_VERIFY_RESULT_OK:
             avb_handle->status_ = AvbHandleStatus::kSuccess;
             break;
         case AVB_SLOT_VERIFY_RESULT_ERROR_VERIFICATION:
+        case AVB_SLOT_VERIFY_RESULT_ERROR_PUBLIC_KEY_REJECTED:
             if (!is_device_unlocked) {
-                LERROR << "ERROR_VERIFICATION isn't allowed when the device is LOCKED";
+                LERROR << "ERROR_VERIFICATION / PUBLIC_KEY_REJECTED isn't allowed "
+                       << "if the device is LOCKED";
                 return nullptr;
             }
             avb_handle->status_ = AvbHandleStatus::kVerificationError;
diff --git a/fs_mgr/liblp/io_test.cpp b/fs_mgr/liblp/io_test.cpp
index 8fc02cb..fcef1f0 100644
--- a/fs_mgr/liblp/io_test.cpp
+++ b/fs_mgr/liblp/io_test.cpp
@@ -21,6 +21,8 @@
 
 #include <android-base/file.h>
 #include <android-base/unique_fd.h>
+#include <fs_mgr.h>
+#include <fstab/fstab.h>
 #include <gtest/gtest.h>
 #include <liblp/builder.h>
 
@@ -702,3 +704,19 @@
     ASSERT_EQ(updated->block_devices.size(), static_cast<size_t>(1));
     EXPECT_EQ(GetBlockDevicePartitionName(updated->block_devices[0]), "super");
 }
+
+TEST(liblp, ReadSuperPartition) {
+    auto slot_suffix = fs_mgr_get_slot_suffix();
+    auto slot_number = SlotNumberForSlotSuffix(slot_suffix);
+    auto super_name = fs_mgr_get_super_partition_name(slot_number);
+    auto metadata = ReadMetadata(super_name, slot_number);
+    ASSERT_NE(metadata, nullptr);
+
+    if (!slot_suffix.empty()) {
+        auto other_slot_suffix = fs_mgr_get_other_slot_suffix();
+        auto other_slot_number = SlotNumberForSlotSuffix(other_slot_suffix);
+        auto other_super_name = fs_mgr_get_super_partition_name(other_slot_number);
+        auto other_metadata = ReadMetadata(other_super_name, other_slot_number);
+        ASSERT_NE(other_metadata, nullptr);
+    }
+}
diff --git a/init/README.md b/init/README.md
index 929f0e4..1b8b848 100644
--- a/init/README.md
+++ b/init/README.md
@@ -414,7 +414,8 @@
 
 `class_start_post_data <serviceclass>`
 > Like `class_start`, but only considers services that were started
-  after /data was mounted. Only used for FDE devices.
+  after /data was mounted, and that were running at the time
+ `class_reset_post_data` was called. Only used for FDE devices.
 
 `class_stop <serviceclass>`
 > Stop and disable all services of the specified class if they are
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 34f229b..25f324c 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -104,35 +104,36 @@
     }
 }
 
-static Result<Success> class_start(const std::string& class_name, bool post_data_only) {
+static Result<Success> do_class_start(const BuiltinArguments& args) {
     // Do not start a class if it has a property persist.dont_start_class.CLASS set to 1.
-    if (android::base::GetBoolProperty("persist.init.dont_start_class." + class_name, false))
+    if (android::base::GetBoolProperty("persist.init.dont_start_class." + args[1], false))
         return Success();
     // Starting a class does not start services which are explicitly disabled.
     // They must  be started individually.
     for (const auto& service : ServiceList::GetInstance()) {
-        if (service->classnames().count(class_name)) {
-            if (post_data_only && !service->is_post_data()) {
-                continue;
-            }
+        if (service->classnames().count(args[1])) {
             if (auto result = service->StartIfNotDisabled(); !result) {
                 LOG(ERROR) << "Could not start service '" << service->name()
-                           << "' as part of class '" << class_name << "': " << result.error();
+                           << "' as part of class '" << args[1] << "': " << result.error();
             }
         }
     }
     return Success();
 }
 
-static Result<Success> do_class_start(const BuiltinArguments& args) {
-    return class_start(args[1], false /* post_data_only */);
-}
-
 static Result<Success> do_class_start_post_data(const BuiltinArguments& args) {
     if (args.context != kInitContext) {
         return Error() << "command 'class_start_post_data' only available in init context";
     }
-    return class_start(args[1], true /* post_data_only */);
+    for (const auto& service : ServiceList::GetInstance()) {
+        if (service->classnames().count(args[1])) {
+            if (auto result = service->StartIfPostData(); !result) {
+                LOG(ERROR) << "Could not start service '" << service->name()
+                           << "' as part of class '" << args[1] << "': " << result.error();
+            }
+        }
+    }
+    return Success();
 }
 
 static Result<Success> do_class_stop(const BuiltinArguments& args) {
diff --git a/init/service.cpp b/init/service.cpp
index 2f96681..ccc37b7 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -1154,10 +1154,23 @@
 
 void Service::ResetIfPostData() {
     if (post_data_) {
+        if (flags_ & SVC_RUNNING) {
+            running_at_post_data_reset_ = true;
+        }
         StopOrReset(SVC_RESET);
     }
 }
 
+Result<Success> Service::StartIfPostData() {
+    // Start the service, but only if it was started after /data was mounted,
+    // and it was still running when we reset the post-data services.
+    if (running_at_post_data_reset_) {
+        return Start();
+    }
+
+    return Success();
+}
+
 void Service::Stop() {
     StopOrReset(SVC_DISABLED);
 }
diff --git a/init/service.h b/init/service.h
index dc2b128..ae29f28 100644
--- a/init/service.h
+++ b/init/service.h
@@ -79,6 +79,7 @@
     Result<Success> ExecStart();
     Result<Success> Start();
     Result<Success> StartIfNotDisabled();
+    Result<Success> StartIfPostData();
     Result<Success> Enable();
     void Reset();
     void ResetIfPostData();
@@ -248,6 +249,8 @@
     bool pre_apexd_ = false;
 
     bool post_data_ = false;
+
+    bool running_at_post_data_reset_ = false;
 };
 
 class ServiceList {
diff --git a/libprocessgroup/Android.bp b/libprocessgroup/Android.bp
index 78a02e5..0207a75 100644
--- a/libprocessgroup/Android.bp
+++ b/libprocessgroup/Android.bp
@@ -32,6 +32,8 @@
     shared_libs: [
         "libbase",
         "libcgrouprc",
+    ],
+    static_libs: [
         "libjsoncpp",
     ],
     // for cutils/android_filesystem_config.h
diff --git a/libsysutils/src/SocketListener.cpp b/libsysutils/src/SocketListener.cpp
index ded5adb..9780606 100644
--- a/libsysutils/src/SocketListener.cpp
+++ b/libsysutils/src/SocketListener.cpp
@@ -95,7 +95,7 @@
     } else if (!mListen)
         mClients[mSock] = new SocketClient(mSock, false, mUseCmdNum);
 
-    if (pipe(mCtrlPipe)) {
+    if (pipe2(mCtrlPipe, O_CLOEXEC)) {
         SLOGE("pipe failed (%s)", strerror(errno));
         return -1;
     }
diff --git a/libunwindstack/Unwinder.cpp b/libunwindstack/Unwinder.cpp
index 26626b5..37323dc 100644
--- a/libunwindstack/Unwinder.cpp
+++ b/libunwindstack/Unwinder.cpp
@@ -25,6 +25,7 @@
 #include <algorithm>
 
 #include <android-base/stringprintf.h>
+#include <android-base/strings.h>
 
 #include <demangle.h>
 
@@ -168,7 +169,7 @@
       // If this elf is memory backed, and there is a valid file, then set
       // an indicator that we couldn't open the file.
       if (!elf_from_memory_not_file_ && map_info->memory_backed_elf && !map_info->name.empty() &&
-          map_info->name[0] != '[') {
+          map_info->name[0] != '[' && !android::base::StartsWith(map_info->name, "/memfd:")) {
         elf_from_memory_not_file_ = true;
       }
       step_pc = regs_->pc();
diff --git a/libunwindstack/tests/UnwinderTest.cpp b/libunwindstack/tests/UnwinderTest.cpp
index f635021..30e57a1 100644
--- a/libunwindstack/tests/UnwinderTest.cpp
+++ b/libunwindstack/tests/UnwinderTest.cpp
@@ -126,6 +126,12 @@
     const auto& info5 = *--maps_->end();
     info5->memory_backed_elf = true;
 
+    elf = new ElfFake(new MemoryFake);
+    elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
+    AddMapInfo(0xc3000, 0xc4000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/memfd:/jit-cache", elf);
+    const auto& info6 = *--maps_->end();
+    info6->memory_backed_elf = true;
+
     process_memory_.reset(new MemoryFake);
   }
 
@@ -1234,6 +1240,36 @@
   EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags);
 }
 
+TEST_F(UnwinderTest, elf_from_memory_but_from_memfd) {
+  ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0));
+
+  regs_.set_pc(0xc3050);
+  regs_.set_sp(0x10000);
+  ElfInterfaceFake::FakePushStepData(StepData(0, 0, true));
+
+  Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
+  unwinder.Unwind();
+  EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+  EXPECT_FALSE(unwinder.elf_from_memory_not_file());
+
+  ASSERT_EQ(1U, unwinder.NumFrames());
+
+  auto* frame = &unwinder.frames()[0];
+  EXPECT_EQ(0U, frame->num);
+  EXPECT_EQ(0x50U, frame->rel_pc);
+  EXPECT_EQ(0xc3050U, frame->pc);
+  EXPECT_EQ(0x10000U, frame->sp);
+  EXPECT_EQ("Frame0", frame->function_name);
+  EXPECT_EQ(0U, frame->function_offset);
+  EXPECT_EQ("/memfd:/jit-cache", frame->map_name);
+  EXPECT_EQ(0U, frame->map_elf_start_offset);
+  EXPECT_EQ(0U, frame->map_exact_offset);
+  EXPECT_EQ(0xc3000U, frame->map_start);
+  EXPECT_EQ(0xc4000U, frame->map_end);
+  EXPECT_EQ(0U, frame->map_load_bias);
+  EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame->map_flags);
+}
+
 // Verify format frame code.
 TEST_F(UnwinderTest, format_frame) {
   RegsFake regs_arm(10);
diff --git a/rootdir/etc/ld.config.txt b/rootdir/etc/ld.config.txt
index 91a4373..72aaa84 100644
--- a/rootdir/etc/ld.config.txt
+++ b/rootdir/etc/ld.config.txt
@@ -174,6 +174,7 @@
 namespace.media.asan.search.paths = /apex/com.android.media/${LIB}
 
 namespace.media.permitted.paths = /apex/com.android.media/${LIB}/extractors
+namespace.media.asan.permitted.paths = /apex/com.android.media/${LIB}/extractors
 
 namespace.media.links = default
 namespace.media.link.default.shared_libs  = %LLNDK_LIBRARIES%
@@ -616,6 +617,7 @@
 namespace.media.asan.search.paths = /apex/com.android.media/${LIB}
 
 namespace.media.permitted.paths = /apex/com.android.media/${LIB}/extractors
+namespace.media.asan.permitted.paths = /apex/com.android.media/${LIB}/extractors
 
 namespace.media.links = default
 namespace.media.link.default.shared_libs  = %LLNDK_LIBRARIES%
diff --git a/rootdir/init.rc b/rootdir/init.rc
index cb45c42..1b7367c 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -80,7 +80,9 @@
     chmod 0664 /dev/stune/top-app/tasks
     chmod 0664 /dev/stune/rt/tasks
 
-    # Create blkio tuning nodes
+    # Create blkio group and apply initial settings.
+    # This feature needs kernel to support it, and the
+    # device's init.rc must actually set the correct values.
     mkdir /dev/blkio/background
     chown system system /dev/blkio
     chown system system /dev/blkio/background
@@ -88,6 +90,10 @@
     chown system system /dev/blkio/background/tasks
     chmod 0664 /dev/blkio/tasks
     chmod 0664 /dev/blkio/background/tasks
+    write /dev/blkio/blkio.weight 1000
+    write /dev/blkio/background/blkio.weight 500
+    write /dev/blkio/blkio.group_idle 0
+    write /dev/blkio/background/blkio.group_idle 0
 
     restorecon_recursive /mnt
 
diff --git a/rootdir/init.usb.rc b/rootdir/init.usb.rc
index f0681d2..b6cba90 100644
--- a/rootdir/init.usb.rc
+++ b/rootdir/init.usb.rc
@@ -14,7 +14,7 @@
 # adbd is controlled via property triggers in init.<platform>.usb.rc
 service adbd /system/bin/adbd --root_seclabel=u:r:su:s0
     class core
-    socket adbd stream 660 system system
+    socket adbd seqpacket 660 system system
     disabled
     seclabel u:r:adbd:s0