Add guards

mem/buffers.go

@@ -77,7 +77,9 @@ func IsBelowBufferPoolingThreshold(size int) bool {
 type buffer struct {
 	origData    *[]byte
 	data        []byte
+	guardStart  [8]byte
 	refs        *atomic.Int32
+	guardEnd    [8]byte
 	pool        BufferPool
 	freeCallers []string
 	refCallers  []string
@@ -171,6 +173,8 @@ func (b *buffer) Free() {
 		b.freeCallers = nil
 		bufferObjectPool.Put(b)
 	default:
+		expected := [8]byte{}
+		fmt.Println("Guards:", expected == b.guardStart, expected == b.guardEnd)
 		op := fmt.Sprintf("refCount: %d\nFree callers", refs)
 		for _, c := range b.freeCallers {
 			op = op + "\n\n" + c