Fix dotnet#65633, multiplication overflow causing incorrect right shi…

…ft results
dakersnar · Apr 11, 2022 · 8f684fc · 8f684fc
1 parent 09d8346
commit 8f684fc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libraries/System.Runtime.Numerics/src/System/Numerics/BigInteger.cs b/src/libraries/System.Runtime.Numerics/src/System/Numerics/BigInteger.cs
@@ -2204,7 +2204,7 @@ stackalloc uint[BigIntegerCalculator.StackAllocThreshold]
 
             if (negx)
             {
-                if (shift >= (kcbitUint * xd.Length))
+                if (shift >= ((long) kcbitUint * xd.Length))
                 {
                     result = MinusOne;
                     goto exit;