1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/fuzz.go b/vendor/github.com/miekg/dns/fuzz.go
new file mode 100644
index 0000000000..57410acda7
--- /dev/null
+++ b/vendor/github.com/miekg/dns/fuzz.go
@@ -0,0 +1,32 @@
+// +build fuzz
+
+package dns
+
+import "strings"
+
+func Fuzz(data []byte) int {
+	msg := new(Msg)
+
+	if err := msg.Unpack(data); err != nil {
+		return 0
+	}
+	if _, err := msg.Pack(); err != nil {
+		return 0
+	}
+
+	return 1
+}
+
+func FuzzNewRR(data []byte) int {
+	str := string(data)
+	// Do not fuzz lines that include the $INCLUDE keyword and hint the fuzzer
+	// at avoiding them.
+	// See GH#1025 for context.
+	if strings.Contains(strings.ToUpper(str), "$INCLUDE") {
+		return -1
+	}
+	if _, err := NewRR(str); err != nil {
+		return 0
+	}
+	return 1
+}