Update dependencies

vendor/github.com/mdlayher/netlink/fuzz.go

@@ -0,0 +1,82 @@
+//go:build gofuzz
+// +build gofuzz
+
+package netlink
+
+import "github.com/google/go-cmp/cmp"
+
+func fuzz(b1 []byte) int {
+	// 1. unmarshal, marshal, unmarshal again to check m1 and m2 for equality
+	// after a round trip. checkMessage is also used because there is a fair
+	// amount of tricky logic around testing for presence of error headers and
+	// extended acknowledgement attributes.
+	var m1 Message
+	if err := m1.UnmarshalBinary(b1); err != nil {
+		return 0
+	}
+
+	if err := checkMessage(m1); err != nil {
+		return 0
+	}
+
+	b2, err := m1.MarshalBinary()
+	if err != nil {
+		panicf("failed to marshal m1: %v", err)
+	}
+
+	var m2 Message
+	if err := m2.UnmarshalBinary(b2); err != nil {
+		panicf("failed to unmarshal m2: %v", err)
+	}
+
+	if err := checkMessage(m2); err != nil {
+		panicf("failed to check m2: %v", err)
+	}
+
+	if diff := cmp.Diff(m1, m2); diff != "" {
+		panicf("unexpected Message (-want +got):\n%s", diff)
+	}
+
+	// 2. marshal again and compare b2 and b3 (b1 may have reserved bytes set
+	// which we ignore and fill with zeros when marshaling) for equality.
+	b3, err := m2.MarshalBinary()
+	if err != nil {
+		panicf("failed to marshal m2: %v", err)
+	}
+
+	if diff := cmp.Diff(b2, b3); diff != "" {
+		panicf("unexpected message bytes (-want +got):\n%s", diff)
+	}
+
+	// 3. unmarshal any possible attributes from m1's data and marshal them
+	// again for comparison.
+	a1, err := UnmarshalAttributes(m1.Data)
+	if err != nil {
+		return 0
+	}
+
+	ab1, err := MarshalAttributes(a1)
+	if err != nil {
+		panicf("failed to marshal a1: %v", err)
+	}
+
+	a2, err := UnmarshalAttributes(ab1)
+	if err != nil {
+		panicf("failed to unmarshal a2: %v", err)
+	}
+
+	if diff := cmp.Diff(a1, a2); diff != "" {
+		panicf("unexpected Attributes (-want +got):\n%s", diff)
+	}
+
+	ab2, err := MarshalAttributes(a2)
+	if err != nil {
+		panicf("failed to marshal a2: %v", err)
+	}
+
+	if diff := cmp.Diff(ab1, ab2); diff != "" {
+		panicf("unexpected attribute bytes (-want +got):\n%s", diff)
+	}
+
+	return 1
+}