diff --git a/libraries/libstratosphere/include/stratosphere/lr/lr_add_on_content_location_resolver.hpp b/libraries/libstratosphere/include/stratosphere/lr/lr_add_on_content_location_resolver.hpp
index 060a77f79..0e309c735 100644
--- a/libraries/libstratosphere/include/stratosphere/lr/lr_add_on_content_location_resolver.hpp
+++ b/libraries/libstratosphere/include/stratosphere/lr/lr_add_on_content_location_resolver.hpp
@@ -25,7 +25,7 @@ namespace ams::lr {
         private:
             sf::SharedPointer<IAddOnContentLocationResolver> m_interface;
         public:
-            AddOnContentLocationResolver() { /* ... */ }
+            AddOnContentLocationResolver() : m_interface(nullptr) { /* ... */ }
             explicit AddOnContentLocationResolver(sf::SharedPointer<IAddOnContentLocationResolver> intf) : m_interface(intf) { /* ... */ }
 
             AddOnContentLocationResolver(AddOnContentLocationResolver &&rhs) {
diff --git a/libraries/libstratosphere/include/stratosphere/lr/lr_location_resolver.hpp b/libraries/libstratosphere/include/stratosphere/lr/lr_location_resolver.hpp
index e6790dd3d..cc1b7f370 100644
--- a/libraries/libstratosphere/include/stratosphere/lr/lr_location_resolver.hpp
+++ b/libraries/libstratosphere/include/stratosphere/lr/lr_location_resolver.hpp
@@ -25,7 +25,7 @@ namespace ams::lr {
         private:
             sf::SharedPointer<ILocationResolver> m_interface;
         public:
-            LocationResolver() { /* ... */ }
+            LocationResolver() : m_interface(nullptr) { /* ... */ }
             explicit LocationResolver(sf::SharedPointer<ILocationResolver> intf) : m_interface(intf) { /* ... */ }
 
             LocationResolver(LocationResolver &&rhs) {
diff --git a/libraries/libstratosphere/include/stratosphere/lr/lr_registered_location_resolver.hpp b/libraries/libstratosphere/include/stratosphere/lr/lr_registered_location_resolver.hpp
index 7369c45db..6ef018956 100644
--- a/libraries/libstratosphere/include/stratosphere/lr/lr_registered_location_resolver.hpp
+++ b/libraries/libstratosphere/include/stratosphere/lr/lr_registered_location_resolver.hpp
@@ -25,7 +25,7 @@ namespace ams::lr {
         private:
             sf::SharedPointer<IRegisteredLocationResolver> m_interface;
         public:
-            RegisteredLocationResolver() { /* ... */ }
+            RegisteredLocationResolver() : m_interface(nullptr) { /* ... */ }
             explicit RegisteredLocationResolver(sf::SharedPointer<IRegisteredLocationResolver> intf) : m_interface(intf) { /* ... */ }
 
             RegisteredLocationResolver(RegisteredLocationResolver &&rhs) {
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_manager_impl.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_manager_impl.hpp
index 01026705d..748202a79 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_manager_impl.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_manager_impl.hpp
@@ -84,7 +84,7 @@ namespace ams::ncm {
                 fs::ContentStorageId content_storage_id;
                 sf::SharedPointer<IContentStorage> content_storage;
 
-                ContentStorageRoot() { /* ... */ }
+                ContentStorageRoot() : mount_name(), path(), storage_id(), content_storage_id(), content_storage() { /* ... */ }
             };
 
             struct ContentMetaDatabaseRoot {
@@ -100,7 +100,7 @@ namespace ams::ncm {
                 ContentMetaMemoryResource *memory_resource;
                 u32 max_content_metas;
 
-                ContentMetaDatabaseRoot() { /* ... */ }
+                ContentMetaDatabaseRoot() : mount_name(), path(), storage_id(), info(), content_meta_database(), kvs(util::nullopt), memory_resource(), max_content_metas() { /* ... */ }
             };
         private:
             os::SdkRecursiveMutex m_mutex;
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta_database.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta_database.hpp
index 32393f746..8bfb99e4b 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta_database.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_meta_database.hpp
@@ -28,7 +28,7 @@ namespace ams::ncm {
         private:
             sf::SharedPointer<IContentMetaDatabase> m_interface;
         public:
-            ContentMetaDatabase() { /* ... */ }
+            ContentMetaDatabase() : m_interface(nullptr) { /* ... */ }
             explicit ContentMetaDatabase(sf::SharedPointer<IContentMetaDatabase> intf) : m_interface(intf) { /* ... */ }
 
             ContentMetaDatabase(ContentMetaDatabase &&rhs) {
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_storage.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_storage.hpp
index 43d207c7c..9adf42278 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_storage.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_content_storage.hpp
@@ -23,7 +23,7 @@ namespace ams::ncm {
         private:
             sf::SharedPointer<IContentStorage> m_interface;
         public:
-            ContentStorage() { /* ... */ }
+            ContentStorage() : m_interface(nullptr) { /* ... */ }
             explicit ContentStorage(sf::SharedPointer<IContentStorage> intf) : m_interface(intf) { /* ... */ }
 
             ContentStorage(ContentStorage &&rhs) {
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_base.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_base.hpp
index 4689f6c8e..2ce0b2e3a 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_base.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_base.hpp
@@ -82,18 +82,18 @@ namespace ams::ncm {
         NON_COPYABLE(InstallTaskBase);
         NON_MOVEABLE(InstallTaskBase);
         private:
-            crypto::Sha256Generator m_sha256_generator;
-            StorageId m_install_storage;
-            InstallTaskDataBase *m_data;
-            InstallProgress m_progress;
-            os::SdkMutex m_progress_mutex;
-            u32 m_config;
-            os::SdkMutex m_cancel_mutex;
-            bool m_cancel_requested;
-            InstallThroughput m_throughput;
-            TimeSpan m_throughput_start_time;
-            os::SdkMutex m_throughput_mutex;
-            FirmwareVariationId m_firmware_variation_id;
+            crypto::Sha256Generator m_sha256_generator{};
+            StorageId m_install_storage{};
+            InstallTaskDataBase *m_data{};
+            InstallProgress m_progress{};
+            os::SdkMutex m_progress_mutex{};
+            u32 m_config{};
+            os::SdkMutex m_cancel_mutex{};
+            bool m_cancel_requested{};
+            InstallThroughput m_throughput{};
+            TimeSpan m_throughput_start_time{};
+            os::SdkMutex m_throughput_mutex{};
+            FirmwareVariationId m_firmware_variation_id{};
         private:
             ALWAYS_INLINE Result SetLastResultOnFailure(Result result) {
                 if (R_FAILED(result)) {
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_data.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_data.hpp
index a016257ce..950c65a77 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_data.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_data.hpp
@@ -64,7 +64,7 @@ namespace ams::ncm {
             Result m_last_result;
             SystemUpdateTaskApplyInfo m_system_update_task_apply_info;
         public:
-            MemoryInstallTaskData() : m_state(InstallProgressState::NotPrepared), m_last_result(ResultSuccess()) { /* ... */ };
+            MemoryInstallTaskData() : m_data_list(), m_state(InstallProgressState::NotPrepared), m_last_result(ResultSuccess()), m_system_update_task_apply_info() { /* ... */ };
             ~MemoryInstallTaskData() {
                 this->Cleanup();
             }
@@ -104,8 +104,8 @@ namespace ams::ncm {
 
             static_assert(sizeof(EntryInfo) == 0x10);
         private:
-            Header m_header;
-            char m_path[64];
+            Header m_header{};
+            char m_path[64]{};
         private:
             static constexpr Header MakeInitialHeader(s32 max_entries) {
                 return {
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task.hpp
index b69e26908..9aef51639 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task.hpp
@@ -20,7 +20,7 @@ namespace ams::ncm {
 
     class PackageInstallTask : public PackageInstallTaskBase {
         private:
-            MemoryInstallTaskData m_data;
+            MemoryInstallTaskData m_data{};
         public:
             Result Initialize(const char *package_root, StorageId storage_id, void *buffer, size_t buffer_size, bool ignore_ticket);
         protected:
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task_base.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task_base.hpp
index 9434c924b..72341bec4 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task_base.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_install_task_base.hpp
@@ -24,8 +24,8 @@ namespace ams::ncm {
             using PackagePath = kvdb::BoundedString<256>;
         private:
             PackagePath m_package_root;
-            void *m_buffer;
-            size_t m_buffer_size;
+            void *m_buffer{};
+            size_t m_buffer_size{};
         public:
             PackageInstallTaskBase() : m_package_root() { /* ... */ }
 
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_system_update_task.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_system_update_task.hpp
index c03c4234a..568383c8a 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_system_update_task.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_package_system_update_task.hpp
@@ -22,10 +22,10 @@ namespace ams::ncm {
         private:
             using PackagePath = kvdb::BoundedString<0x100>;
         private:
-            PackagePath m_context_path;
-            FileInstallTaskData m_data;
-            ContentMetaDatabase m_package_db;
-            bool m_gamecard_content_meta_database_active;
+            PackagePath m_context_path{};
+            FileInstallTaskData m_data{};
+            ContentMetaDatabase m_package_db{};
+            bool m_gamecard_content_meta_database_active{};
         public:
             ~PackageSystemUpdateTask();
 
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_rights_id_cache.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_rights_id_cache.hpp
index 7cdac9693..ca6e1ab6a 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_rights_id_cache.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_rights_id_cache.hpp
@@ -37,7 +37,7 @@ namespace ams::ncm {
             u64 m_counter;
             os::SdkMutex m_mutex;
         public:
-            RightsIdCache() : m_mutex() {
+            RightsIdCache() : m_entries(), m_counter(2), m_mutex() {
                 this->Invalidate();
             }
 
diff --git a/libraries/libstratosphere/source/lr/lr_content_location_resolver_impl.hpp b/libraries/libstratosphere/source/lr/lr_content_location_resolver_impl.hpp
index 9f02fe998..b0d908bdb 100644
--- a/libraries/libstratosphere/source/lr/lr_content_location_resolver_impl.hpp
+++ b/libraries/libstratosphere/source/lr/lr_content_location_resolver_impl.hpp
@@ -27,7 +27,7 @@ namespace ams::lr {
             ncm::ContentMetaDatabase m_content_meta_database;
             ncm::ContentStorage m_content_storage;
         public:
-            ContentLocationResolverImpl(ncm::StorageId storage_id) : m_storage_id(storage_id) { /* ... */ }
+            ContentLocationResolverImpl(ncm::StorageId storage_id) : m_storage_id(storage_id), m_content_meta_database(), m_content_storage() { /* ... */ }
 
             ~ContentLocationResolverImpl();
         private:
diff --git a/libraries/libstratosphere/source/lr/lr_registered_location_resolver_impl.hpp b/libraries/libstratosphere/source/lr/lr_registered_location_resolver_impl.hpp
index bfd3cb186..bb3c0841c 100644
--- a/libraries/libstratosphere/source/lr/lr_registered_location_resolver_impl.hpp
+++ b/libraries/libstratosphere/source/lr/lr_registered_location_resolver_impl.hpp
@@ -45,7 +45,7 @@ namespace ams::lr {
             void ClearRedirections(u32 flags = RedirectionFlags_None);
             Result RefreshImpl(const ncm::ProgramId *excluding_ids, size_t num_ids);
         public:
-            RegisteredLocationResolverImpl() : m_registered_program_locations(GetMaxRegisteredLocations()), m_registered_html_docs_locations(GetMaxRegisteredLocations()) { /* ... */ }
+            RegisteredLocationResolverImpl() : m_program_redirector(), m_registered_program_locations(GetMaxRegisteredLocations()), m_html_docs_redirector(), m_registered_html_docs_locations(GetMaxRegisteredLocations()) { /* ... */ }
             ~RegisteredLocationResolverImpl();
         public:
             /* Actual commands. */
diff --git a/libraries/libstratosphere/source/ncm/ncm_content_meta_database_impl_base.hpp b/libraries/libstratosphere/source/ncm/ncm_content_meta_database_impl_base.hpp
index 599982e0f..ede5a1526 100644
--- a/libraries/libstratosphere/source/ncm/ncm_content_meta_database_impl_base.hpp
+++ b/libraries/libstratosphere/source/ncm/ncm_content_meta_database_impl_base.hpp
@@ -28,7 +28,7 @@ namespace ams::ncm {
             char m_mount_name[fs::MountNameLengthMax + 1];
             bool m_disabled;
         protected:
-            ContentMetaDatabaseImplBase(ContentMetaKeyValueStore *kvs) : m_kvs(kvs), m_disabled(false) { /* ... */ }
+            ContentMetaDatabaseImplBase(ContentMetaKeyValueStore *kvs) : m_kvs(kvs), m_mount_name(), m_disabled(false) { /* ... */ }
 
             ContentMetaDatabaseImplBase(ContentMetaKeyValueStore *kvs, const char *mount_name) : ContentMetaDatabaseImplBase(kvs) {
                 std::strcpy(m_mount_name, mount_name);
diff --git a/libraries/libstratosphere/source/ncm/ncm_content_storage_impl_base.hpp b/libraries/libstratosphere/source/ncm/ncm_content_storage_impl_base.hpp
index bb2e82b67..2fb3cbbb2 100644
--- a/libraries/libstratosphere/source/ncm/ncm_content_storage_impl_base.hpp
+++ b/libraries/libstratosphere/source/ncm/ncm_content_storage_impl_base.hpp
@@ -26,7 +26,7 @@ namespace ams::ncm {
             MakeContentPathFunction m_make_content_path_func;
             bool m_disabled;
         protected:
-            ContentStorageImplBase() : m_make_content_path_func(), m_disabled(false) { /* ... */ }
+            ContentStorageImplBase() : m_root_path(), m_make_content_path_func(), m_disabled(false) { /* ... */ }
         protected:
             /* Helpers. */
             Result EnsureEnabled() const {
diff --git a/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.hpp b/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.hpp
index f0113b86b..96c9b5f59 100644
--- a/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.hpp
+++ b/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.hpp
@@ -42,7 +42,7 @@ namespace ams::ncm {
             CacheEntry *FindInCache(PlaceHolderId placeholder_id);
             CacheEntry *GetFreeEntry();;
         public:
-            PlaceHolderAccessor() : m_cur_counter(0), m_cache_mutex(), m_delay_flush(false) {
+            PlaceHolderAccessor() : m_root_path(nullptr), m_cur_counter(0), m_cache_mutex(), m_make_placeholder_path_func(nullptr), m_delay_flush(false) {
                 for (size_t i = 0; i < MaxCacheEntries; i++) {
                     m_caches[i].id = InvalidPlaceHolderId;
                 }
diff --git a/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp b/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp
index cb3bb4624..85b3d2a8e 100644
--- a/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp
@@ -55,7 +55,7 @@ namespace ams::ncm {
             }
     };
 
-    SubmissionPackageInstallTask::SubmissionPackageInstallTask()  { /* ... */ }
+    SubmissionPackageInstallTask::SubmissionPackageInstallTask() : m_impl(nullptr) { /* ... */ }
     SubmissionPackageInstallTask::~SubmissionPackageInstallTask() { /* ... */ }
 
     Result SubmissionPackageInstallTask::Initialize(fs::FileHandle file, StorageId storage_id, void *buffer, size_t buffer_size, bool ignore_ticket) {