diff --git a/fs_mgr/libsnapshot/snapshot.cpp b/fs_mgr/libsnapshot/snapshot.cpp
index bc3efd9..59abd6f 100644
--- a/fs_mgr/libsnapshot/snapshot.cpp
+++ b/fs_mgr/libsnapshot/snapshot.cpp
@@ -1498,7 +1498,6 @@
     if (UpdateUsesUserSnapshots(lock) && !device()->IsTestDevice()) {
         if (snapuserd_client_) {
             snapuserd_client_->DetachSnapuserd();
-            snapuserd_client_->CloseConnection();
             snapuserd_client_ = nullptr;
         }
     }
@@ -2794,7 +2793,6 @@
     if (snapuserd_client_) {
         LOG(INFO) << "Shutdown snapuserd daemon";
         snapuserd_client_->DetachSnapuserd();
-        snapuserd_client_->CloseConnection();
         snapuserd_client_ = nullptr;
     }
 
@@ -3317,7 +3315,7 @@
         }
         if (snapuserd_client) {
             snapuserd_client->DetachSnapuserd();
-            snapuserd_client->CloseConnection();
+            snapuserd_client = nullptr;
         }
     }
 
diff --git a/fs_mgr/libsnapshot/snapshot_test.cpp b/fs_mgr/libsnapshot/snapshot_test.cpp
index 2233a38..2c01cf6 100644
--- a/fs_mgr/libsnapshot/snapshot_test.cpp
+++ b/fs_mgr/libsnapshot/snapshot_test.cpp
@@ -107,6 +107,12 @@
 
   protected:
     void SetUp() override {
+        const testing::TestInfo* const test_info =
+                testing::UnitTest::GetInstance()->current_test_info();
+        test_name_ = test_info->test_suite_name() + "/"s + test_info->name();
+
+        LOG(INFO) << "Starting test: " << test_name_;
+
         SKIP_IF_NON_VIRTUAL_AB();
 
         SetupProperties();
@@ -152,10 +158,14 @@
     void TearDown() override {
         RETURN_IF_NON_VIRTUAL_AB();
 
+        LOG(INFO) << "Tearing down SnapshotTest test: " << test_name_;
+
         lock_ = nullptr;
 
         CleanupTestArtifacts();
         SnapshotTestPropertyFetcher::TearDown();
+
+        LOG(INFO) << "Teardown complete for test: " << test_name_;
     }
 
     void InitializeState() {
@@ -487,6 +497,7 @@
     android::fiemap::IImageManager* image_manager_ = nullptr;
     std::string fake_super_;
     bool snapuserd_required_ = false;
+    std::string test_name_;
 };
 
 TEST_F(SnapshotTest, CreateSnapshot) {
@@ -1003,6 +1014,8 @@
     void TearDown() override {
         RETURN_IF_NON_VIRTUAL_AB();
 
+        LOG(INFO) << "Tearing down SnapshotUpdateTest test: " << test_name_;
+
         Cleanup();
         SnapshotTest::TearDown();
     }
@@ -2797,7 +2810,6 @@
         return;
     }
     snapuserd_client->DetachSnapuserd();
-    snapuserd_client->CloseConnection();
 }
 
 }  // namespace snapshot
diff --git a/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h b/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
index 9a69d58..4b62b20 100644
--- a/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
+++ b/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
@@ -71,8 +71,6 @@
     // must ONLY be called if the control device has already been deleted.
     bool WaitForDeviceDelete(const std::string& control_device);
 
-    void CloseConnection() { sockfd_ = {}; }
-
     // Detach snapuserd. This shuts down the listener socket, and will cause
     // snapuserd to gracefully exit once all handler threads have terminated.
     // This should only be used on first-stage instances of snapuserd.
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
index 1bf33c8..d437d32 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
@@ -462,15 +462,14 @@
 }
 
 bool UserSnapshotServer::HandleClient(android::base::borrowed_fd fd, int revents) {
-    if (revents & POLLHUP) {
-        LOG(DEBUG) << "Snapuserd client disconnected";
-        return false;
-    }
-
     std::string str;
     if (!Recv(fd, &str)) {
         return false;
     }
+    if (str.empty() && (revents & POLLHUP)) {
+        LOG(DEBUG) << "Snapuserd client disconnected";
+        return false;
+    }
     if (!Receivemsg(fd, str)) {
         LOG(ERROR) << "Encountered error handling client message, revents: " << revents;
         return false;
@@ -650,6 +649,12 @@
             while (active_merge_threads_ < kMaxMergeThreads && merge_handlers_.size() > 0) {
                 auto handler = merge_handlers_.front();
                 merge_handlers_.pop();
+
+                if (!handler->snapuserd()) {
+                    LOG(INFO) << "MonitorMerge: skipping deleted handler: " << handler->misc_name();
+                    continue;
+                }
+
                 LOG(INFO) << "Starting merge for partition: "
                           << handler->snapuserd()->GetMiscName();
                 handler->snapuserd()->InitiateMerge();
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 8362390..5c1e9ef 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -246,6 +246,27 @@
             &ServiceList::GetInstance());
 }
 
+void CleanupApexServices() {
+    std::vector<std::string> names;
+    for (const auto& s : ServiceList::GetInstance()) {
+        names.push_back(s->name());
+    }
+
+    for (const auto& name : names) {
+        auto s = ServiceList::GetInstance().FindService(name);
+        auto pid = s->pid();
+        ServiceList::GetInstance().RemoveService(*s);
+        if (pid > 0) {
+            kill(pid, SIGTERM);
+            kill(pid, SIGKILL);
+        }
+    }
+
+    ActionManager::GetInstance().RemoveActionIf([&](const std::unique_ptr<Action>& s) -> bool {
+        return true;
+    });
+}
+
 void TestApexServicesInit(const std::vector<std::string>& apex_services,
             const std::vector<std::string>& other_apex_services,
             const std::vector<std::string> non_apex_services) {
@@ -270,13 +291,7 @@
     TestRemoveApexService(other_apex_services, /*exist*/ true);
     TestRemoveApexService(non_apex_services, /*exist*/ true);
 
-    ServiceList::GetInstance().RemoveServiceIf([&](const std::unique_ptr<Service>& s) -> bool {
-        return true;
-    });
-
-    ActionManager::GetInstance().RemoveActionIf([&](const std::unique_ptr<Action>& s) -> bool {
-        return true;
-    });
+    CleanupApexServices();
 }
 
 TEST(init, StopServiceByApexName) {
diff --git a/libsync/Android.bp b/libsync/Android.bp
index 99c88cf..b6b4a6e 100644
--- a/libsync/Android.bp
+++ b/libsync/Android.bp
@@ -27,6 +27,9 @@
     name: "libsync",
     symbol_file: "libsync.map.txt",
     first_version: "26",
+    export_header_libs: [
+        "libsync_headers",
+    ],
 }
 
 cc_defaults {