Only free if the context isn't destroyed.

Author: maleadt

src/compiler/execution.jl

@@ -204,10 +204,9 @@ mutable struct HostKernel{F,TT} <: AbstractKernel{F,TT}
         kernel = new{F,TT}(ctx, mod, fun, random_state)
         finalizer(kernel) do k
             if k.random_state isa Mem.DeviceBuffer
-                Mem.free(k.random_state)
+                @context! skip_destroyed=true k.ctx Mem.free(k.random_state; stream_ordered=false)
             end
         end
-        return kernel
     end
 end