Akka.Delivery: out of bounds error when copying memory chunks

[Aaronontheweb]

Version Information
Version of Akka.NET? 1.5.7-beta1
Which Akka.NET Modules? Akka.Delivery

Describe the bug

[ERROR][05/10/2023 15:47:50.982Z][Thread 0070][akka://SqlSharding/user/product-proxy/product-proxy/producer-controller-58ae030a-cb93-4ce4-85e9-f85010ef4fcd] Provided length [1024] of array to copy doesn't fit array length [4505] wit
hin given offset [4096] (Parameter 'count')
Cause: System.ArgumentException: Provided length [1024] of array to copy doesn't fit array length [4505] within given offset [4096] (Parameter 'count')
   at Akka.IO.ByteString.CopyFrom(Byte[] array, Int32 offset, Int32 count)
   at Akka.Delivery.Internal.ProducerController`1.CreateChunks(T msg, Int32 chunkSize, Serialization serialization)+MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Akka.Delivery.Internal.ProducerController`1.Chunk(T msg, Boolean ack, Serialization serialization)
   at Akka.Delivery.Internal.ProducerController`1.<Active>b__30_1(T sendNext)
   at lambda_method51(Closure , Object , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 , Func`2 , Action`1 )
   at Akka.Tools.MatchHandler.PartialHandlerArgumentsCapture`15.Handle(T value)
   at Akka.Actor.ReceiveActor.<>c__DisplayClass11_0.<Become>b__0(Object m)
   at Akka.Actor.ActorCell.<>c__DisplayClass113_0.<Akka.Actor.IUntypedActorContext.Become>b__0(Object m)
   at Akka.Actor.ActorBase.AroundReceive(Receive receive, Object message)
   at Akka.Delivery.Internal.ProducerController`1.AroundReceive(Receive receive, Object message)
   at Akka.Actor.ActorCell.ReceiveMessage(Object message)
   at Akka.Actor.ActorCell.Invoke(Envelope envelope)

Looks like a simple bounds-checking error when we're copying small chunks into arrays that are larger (due to the shared memory pool.)