1 files changed, 4 insertions, 0 deletions
diff --git a/library/cpp/yt/memory/ref.cpp b/library/cpp/yt/memory/ref.cpp
index 5a6ca1e3373..1743680b581 100644
--- a/library/cpp/yt/memory/ref.cpp
+++ b/library/cpp/yt/memory/ref.cpp
@@ -3,6 +3,7 @@
 #include "blob.h"
 
 #include <library/cpp/yt/malloc/malloc.h>
+#include <library/cpp/yt/memory/poison.h>
 
 #include <library/cpp/yt/misc/port.h>
 
@@ -99,6 +100,7 @@ class TAllocationHolderBase
 public:
     ~TAllocationHolderBase()
     {
+        PoisonFreedMemory(GetRef());
 #ifdef YT_ENABLE_REF_COUNTED_TRACKING
         TRefCountedTrackerFacade::FreeTagInstance(Cookie_);
         TRefCountedTrackerFacade::FreeSpace(Cookie_, Size_);
@@ -129,6 +131,8 @@ protected:
 #endif
         if (options.InitializeStorage) {
             ::memset(static_cast<TDerived*>(this)->GetBegin(), 0, Size_);
+        } else {
+            PoisonUninitializedMemory(GetRef());
         }
 #ifdef YT_ENABLE_REF_COUNTED_TRACKING
         TRefCountedTrackerFacade::AllocateTagInstance(Cookie_);