fix several coverity issues about uninit var

7 files changed, 8 insertions, 3 deletions

diff --git a/ydb/core/base/appdata_fwd.h b/ydb/core/base/appdata_fwd.h
index 701d02159e..85dc3ccbb3 100644
--- a/ydb/core/base/appdata_fwd.h
+++ b/ydb/core/base/appdata_fwd.h
@@ -152,7 +152,7 @@ struct TAppData {
 
     NHttpProxy::IAuthFactory* DataStreamsAuthFactory = nullptr;
 
-    NActors::IActor*(*FolderServiceFactory)(const NKikimrProto::NFolderService::TFolderServiceConfig&);
+    NActors::IActor*(*FolderServiceFactory)(const NKikimrProto::NFolderService::TFolderServiceConfig&) = nullptr;
 
     const NMsgBusProxy::IPersQueueGetReadSessionsInfoWorkerFactory* PersQueueGetReadSessionsInfoWorkerFactory = nullptr;
     const NPQ::IPersQueueMirrorReaderFactory* PersQueueMirrorReaderFactory = nullptr;
diff --git a/ydb/core/base/board_lookup.cpp b/ydb/core/base/board_lookup.cpp
index 113e80b7f5..14d4eae229 100644
--- a/ydb/core/base/board_lookup.cpp
+++ b/ydb/core/base/board_lookup.cpp
@@ -502,6 +502,7 @@ public:
         , StateStorageGroupId(groupId)
         , Subscriber(Mode == EBoardLookupMode::Subscription)
         , BoardRetrySettings(std::move(boardRetrySettings))
+        , WaitForReplicasToSuccess(0)
     {}
 
     void Bootstrap() {
diff --git a/ydb/core/base/statestorage_monitoring.cpp b/ydb/core/base/statestorage_monitoring.cpp
index c23dddb7a6..4d06bdd3fe 100644
--- a/ydb/core/base/statestorage_monitoring.cpp
+++ b/ydb/core/base/statestorage_monitoring.cpp
@@ -208,6 +208,7 @@ public:
         , Query(query)
         , ProxyReplyTime(TDuration::MicroSeconds(Max<ui64>()))
         , WaitingForReplicas(0)
+        , SelfConfigContentHash(0)
     {}
 
     void Bootstrap(const TActorContext &ctx) {
diff --git a/ydb/core/blobstorage/vdisk/common/vdisk_events.h b/ydb/core/blobstorage/vdisk/common/vdisk_events.h
index cf4749748c..2b5de0bc70 100644
--- a/ydb/core/blobstorage/vdisk/common/vdisk_events.h
+++ b/ydb/core/blobstorage/vdisk/common/vdisk_events.h
@@ -437,7 +437,7 @@ namespace NKikimr {
 
     private:
         const TInstant Start;
-        ui64 Size;
+        ui64 Size = 0;
         ::NMonitoring::TDynamicCounters::TCounterPtr CounterPtr;
         NVDiskMon::TLtcHistoPtr HistoPtr;
         bool Finalized = false;
diff --git a/ydb/core/keyvalue/keyvalue_intermediate.cpp b/ydb/core/keyvalue/keyvalue_intermediate.cpp
index ca12464884..3f735def92 100644
--- a/ydb/core/keyvalue/keyvalue_intermediate.cpp
+++ b/ydb/core/keyvalue/keyvalue_intermediate.cpp
@@ -11,6 +11,7 @@ TIntermediate::TRead::TRead()
     , ValueSize(0)
     , CreationUnixTime(0)
     , StorageChannel(NKikimrClient::TKeyValueRequest::MAIN)
+    , HandleClass(NKikimrBlobStorage::AsyncRead)
     , Status(NKikimrProto::UNKNOWN)
 {}
 
@@ -22,6 +23,7 @@ TIntermediate::TRead::TRead(const TString &key, ui32 valueSize, ui64 creationUni
     , ValueSize(valueSize)
     , CreationUnixTime(creationUnixTime)
     , StorageChannel(storageChannel)
+    , HandleClass(NKikimrBlobStorage::AsyncRead)
     , Status(NKikimrProto::UNKNOWN)
 {}
 
diff --git a/ydb/core/keyvalue/keyvalue_state.h b/ydb/core/keyvalue/keyvalue_state.h
index d1771f16b7..bae2891c7d 100644
--- a/ydb/core/keyvalue/keyvalue_state.h
+++ b/ydb/core/keyvalue/keyvalue_state.h
@@ -263,7 +263,7 @@ protected:
 
     ui32 PerGenerationCounter; // for garbage collection
 
-    NMetrics::TResourceMetrics* ResourceMetrics;
+    NMetrics::TResourceMetrics* ResourceMetrics = nullptr;
 
     TMaybe<NKeyValue::THelpers::TGenerationStep> PartialCollectedGenerationStep;
     TVector<TLogoBlobID> PartialCollectedDoNotKeep;
diff --git a/ydb/core/tx/datashard/export_s3_buffer_zstd.cpp b/ydb/core/tx/datashard/export_s3_buffer_zstd.cpp
index 3ebc69df60..7588d3b7a5 100644
--- a/ydb/core/tx/datashard/export_s3_buffer_zstd.cpp
+++ b/ydb/core/tx/datashard/export_s3_buffer_zstd.cpp
@@ -54,6 +54,7 @@ public:
         , CompressionLevel(compressionLevel)
         , MinBytes(minBytes)
         , Context(ZSTD_createCCtx())
+        , ErrorCode(0)
         , BytesRaw(0)
     {
         Reset();