Fix crash caused by StdNormalRandom producing a value out of expected range

1 files changed, 4 insertions, 6 deletions

diff --git a/yt/yt/core/misc/backoff_strategy.cpp b/yt/yt/core/misc/backoff_strategy.cpp
index 4b9e587133..78935a8cbb 100644
--- a/yt/yt/core/misc/backoff_strategy.cpp
+++ b/yt/yt/core/misc/backoff_strategy.cpp
@@ -59,15 +59,13 @@ TDuration TBackoffStrategy::GetBackoff() const
 
 void TBackoffStrategy::ApplyJitter()
 {
-    BackoffWithJitter_ = ::NYT::ApplyJitter(Backoff_, Options_.BackoffJitter, +[]{
-        //! StdNormalRandom produces [-6.660, 6.660] according to Wiki
-        const double StdNormalRandomMaxValue = 7.0;
-
-        return StdNormalRandom<double>() / StdNormalRandomMaxValue;
+    BackoffWithJitter_ = ::NYT::ApplyJitter(Backoff_, Options_.BackoffJitter, [] {
+        // StdNormalRandom is unlikely to produce a value outside of [-Max, Max] range.
+        constexpr double Max = 7.0;
+        return std::clamp(StdNormalRandom<double>() / Max, -1.0, +1.0);
     });
 }
 
-
 void TBackoffStrategy::UpdateOptions(const TExponentialBackoffOptions& newOptions)
 {
     Options_ = newOptions;