try fix target buffer size error

dotnet · adamsitnik · Oct 31, 2023 · May 18, 2023 · May 20, 2023 · May 20, 2023
commit f532064a915d510dd4e618d47f0b00bc5c1e1d38
diff --git a/src/libraries/Common/src/System/HexConverter.cs b/src/libraries/Common/src/System/HexConverter.cs
@@ -348,7 +348,7 @@ public static bool TryDecodeFromUtf16(ReadOnlySpan<char> chars, Span<byte> bytes
             int j = 0;
             int byteLo = 0;
             int byteHi = 0;
-            while (j < chars.Length / 2)
+            while (j < bytes.Length)
             {
                 byteLo = FromChar(chars[i + 1]);
                 byteHi = FromChar(chars[i]);

diff --git a/src/libraries/System.Private.CoreLib/src/System/Convert.cs b/src/libraries/System.Private.CoreLib/src/System/Convert.cs
@@ -3023,6 +3023,7 @@ public static OperationStatus FromHexString(ReadOnlySpan<char> source, Span<byte
             else if (remainder == 1)
             {
                 source = source.Slice(0, source.Length - 1);
+                destination = destination.Slice(0, destination.Length - 1);
                 successResult = OperationStatus.NeedMoreData;
             }