Fix reshaping buffer maybe too long in vision

Author: wwqgtxx

vless/constant.go

@@ -32,9 +32,15 @@ func reshapeBuffer(b []byte) []*buf.Buffer {
 	if len(b) < bufferLimit {
 		return []*buf.Buffer{buf.As(b)}
 	}
-	index := int32(bytes.LastIndex(b, tlsApplicationDataStart))
-	if index <= 0 {
-		index = 8192 / 2
+	var buffers []*buf.Buffer
+	for len(b) >= bufferLimit {
+		index := int32(bytes.LastIndex(b, tlsApplicationDataStart))
+		if index < 32 || index > bufferLimit {
+			index = 8192 / 2
+		}
+		buffers = append(buffers, buf.As(b[:index]))
+		b = b[index:]
 	}
-	return []*buf.Buffer{buf.As(b[:index]), buf.As(b[index:])}
+	buffers = append(buffers, buf.As(b))
+	return buffers
 }