From 50cab28dd42e904b3cc667958afec541160cdc62 Mon Sep 17 00:00:00 2001
From: mikhnenko <mikhnenko@yandex-team.com>
Date: Fri, 12 Sep 2025 13:58:48 +0300
Subject: Fix potential pointers overflow
 commit_hash:20039ca128a1ef8c3aaf337d71d58b1ecec783a1

---
 library/cpp/yt/memory/ref.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'library/cpp/yt/memory/ref.cpp')

diff --git a/library/cpp/yt/memory/ref.cpp b/library/cpp/yt/memory/ref.cpp
index 67032586eff..fc153bb02e3 100644
--- a/library/cpp/yt/memory/ref.cpp
+++ b/library/cpp/yt/memory/ref.cpp
@@ -278,11 +278,15 @@ std::vector<TSharedRef> TSharedRef::Split(size_t partSize) const
 {
     YT_VERIFY(partSize > 0);
     std::vector<TSharedRef> result;
+    if (partSize >= Size()) {
+        result.push_back(Slice(Begin(), End()));
+        return result;
+    }
     result.reserve(Size() / partSize + 1);
     auto sliceBegin = Begin();
     while (sliceBegin < End()) {
         auto sliceEnd = sliceBegin + partSize;
-        if (sliceEnd < sliceBegin || sliceEnd > End()) {
+        if (sliceEnd > End()) {
             sliceEnd = End();
         }
         result.push_back(Slice(sliceBegin, sliceEnd));
-- 
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