diff --git a/fastboot/device/commands.cpp b/fastboot/device/commands.cpp
index e929f42..6de598f 100644
--- a/fastboot/device/commands.cpp
+++ b/fastboot/device/commands.cpp
@@ -639,6 +639,12 @@
     return UpdateSuper(device, args[1], wipe);
 }
 
+static bool IsLockedDsu() {
+    std::string active_dsu;
+    android::gsi::GetActiveDsu(&active_dsu);
+    return android::base::EndsWith(active_dsu, ".lock");
+}
+
 bool GsiHandler(FastbootDevice* device, const std::vector<std::string>& args) {
     if (args.size() != 2) {
         return device->WriteFail("Invalid arguments");
@@ -653,6 +659,11 @@
         return device->WriteStatus(FastbootResult::FAIL, "No GSI is installed");
     }
 
+    if ((args[1] == "wipe" || args[1] == "disable") && GetDeviceLockStatus() && IsLockedDsu()) {
+        // Block commands that modify the states of locked DSU
+        return device->WriteFail("Command not available on locked DSU/devices");
+    }
+
     if (args[1] == "wipe") {
         if (!android::gsi::UninstallGsi()) {
             return device->WriteStatus(FastbootResult::FAIL, strerror(errno));
@@ -661,6 +672,17 @@
         if (!android::gsi::DisableGsi()) {
             return device->WriteStatus(FastbootResult::FAIL, strerror(errno));
         }
+    } else if (args[1] == "status") {
+        std::string active_dsu;
+        if (!android::gsi::IsGsiRunning()) {
+            device->WriteInfo("Not running");
+        } else if (!android::gsi::GetActiveDsu(&active_dsu)) {
+            return device->WriteFail(strerror(errno));
+        } else {
+            device->WriteInfo("Running active DSU: " + active_dsu);
+        }
+    } else {
+        return device->WriteFail("Invalid arguments");
     }
     return device->WriteStatus(FastbootResult::OKAY, "Success");
 }
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index cdcd036..037916e 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -2565,14 +2565,12 @@
                     std::make_unique<ResizeTask>(fp.get(), partition, size, fp->slot_override);
             resize_task->Run();
         } else if (command == "gsi") {
-            std::string arg = next_arg(&args);
-            if (arg == "wipe") {
-                fb->RawCommand("gsi:wipe", "wiping GSI");
-            } else if (arg == "disable") {
-                fb->RawCommand("gsi:disable", "disabling GSI");
-            } else {
-                syntax_error("expected 'wipe' or 'disable'");
+            if (args.empty()) syntax_error("invalid gsi command");
+            std::string cmd("gsi");
+            while (!args.empty()) {
+                cmd += ":" + next_arg(&args);
             }
+            fb->RawCommand(cmd, "");
         } else if (command == "wipe-super") {
             std::string image;
             if (args.empty()) {
diff --git a/fs_mgr/libsnapshot/snapuserd/Android.bp b/fs_mgr/libsnapshot/snapuserd/Android.bp
index 9261482..dca9f49 100644
--- a/fs_mgr/libsnapshot/snapuserd/Android.bp
+++ b/fs_mgr/libsnapshot/snapuserd/Android.bp
@@ -96,6 +96,10 @@
         "user-space-merge/snapuserd_server.cpp",
     ],
 
+    cflags: [
+        "-D_FILE_OFFSET_BITS=64",
+    ],
+
     static_libs: [
         "libbase",
         "libbrotli",
diff --git a/gatekeeperd/gatekeeperd.cpp b/gatekeeperd/gatekeeperd.cpp
index eb43a33..d2fc651 100644
--- a/gatekeeperd/gatekeeperd.cpp
+++ b/gatekeeperd/gatekeeperd.cpp
@@ -74,9 +74,13 @@
   public:
     GateKeeperProxy() {
         clear_state_if_needed_done = false;
-        hw_device = IGatekeeper::getService();
-        ::ndk::SpAIBinder ks2Binder(AServiceManager_getService(gatekeeperServiceName));
-        aidl_hw_device = AidlIGatekeeper::fromBinder(ks2Binder);
+        if (AServiceManager_isDeclared(gatekeeperServiceName)) {
+            ::ndk::SpAIBinder ks2Binder(AServiceManager_waitForService(gatekeeperServiceName));
+            aidl_hw_device = AidlIGatekeeper::fromBinder(ks2Binder);
+        }
+        if (!aidl_hw_device) {
+            hw_device = IGatekeeper::getService();
+        }
         is_running_gsi = android::base::GetBoolProperty(android::gsi::kGsiBootedProp, false);
 
         if (!aidl_hw_device && !hw_device) {
diff --git a/init/init.cpp b/init/init.cpp
index be1ebee..da63fdc 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -1043,6 +1043,12 @@
     SetProperty(gsi::kGsiBootedProp, is_running);
     auto is_installed = android::gsi::IsGsiInstalled() ? "1" : "0";
     SetProperty(gsi::kGsiInstalledProp, is_installed);
+    if (android::gsi::IsGsiRunning()) {
+        std::string dsu_slot;
+        if (android::gsi::GetActiveDsu(&dsu_slot)) {
+            SetProperty(gsi::kDsuSlotProp, dsu_slot);
+        }
+    }
 
     am.QueueBuiltinAction(SetupCgroupsAction, "SetupCgroups");
     am.QueueBuiltinAction(SetKptrRestrictAction, "SetKptrRestrict");