From 99517c3ae0ec7ef29622717b3d1c86353814df76 Mon Sep 17 00:00:00 2001
From: Damian Gryski <damian@gryski.com>
Date: Mon, 17 Aug 2015 22:50:33 +0200
Subject: [PATCH 1/2] Fix crashers found by go-fuzz

---
 color.go | 4 ++++
 group.go | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/color.go b/color.go
index db2ed6d..40e3fc1 100755
--- a/color.go
+++ b/color.go
@@ -56,6 +56,10 @@ func (color *Color) readNameLen(r io.Reader) error {
 
 // Decode the color's name.
 func (color *Color) readName(r io.Reader) (err error) {
+	if color.nameLen == 0 {
+		return
+	}
+
 	//	make array for our color name based on block length
 	name := make([]uint16, color.nameLen) // assumes the nameLen was already defined.
 	if err = binary.Read(r, binary.BigEndian, &name); err != nil {
diff --git a/group.go b/group.go
index 3ad1a24..e44bdcb 100755
--- a/group.go
+++ b/group.go
@@ -29,6 +29,10 @@ func (group *Group) readNameLen(r io.Reader) error {
 
 // Decode a group's name.
 func (group *Group) readName(r io.Reader) (err error) {
+	if group.nameLen == 0 {
+		return
+	}
+
 	//	make array for our color name based on block length
 	name := make([]uint16, group.nameLen)
 	if err = binary.Read(r, binary.BigEndian, &name); err != nil {

From ebaaab063b441d79b28c40a4da498698d650c807 Mon Sep 17 00:00:00 2001
From: Damian Gryski <damian@gryski.com>
Date: Mon, 17 Aug 2015 22:50:56 +0200
Subject: [PATCH 2/2] Add fuzzing framework and crashers

---
 fuzz.go      | 14 ++++++++++++++
 fuzz_test.go | 18 ++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 fuzz.go
 create mode 100644 fuzz_test.go

diff --git a/fuzz.go b/fuzz.go
new file mode 100644
index 0000000..37d131f
--- /dev/null
+++ b/fuzz.go
@@ -0,0 +1,14 @@
+// +build gofuzz
+
+package ase
+
+import "bytes"
+
+func Fuzz(data []byte) int {
+
+	if _, err := Decode(bytes.NewReader(data)); err != nil {
+		return 0
+	}
+
+	return 1
+}
diff --git a/fuzz_test.go b/fuzz_test.go
new file mode 100644
index 0000000..7cdbecc
--- /dev/null
+++ b/fuzz_test.go
@@ -0,0 +1,18 @@
+package ase
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestFuzzCrashers(t *testing.T) {
+
+	var crashers = []string{
+		"ASEF\x00\x01000000\xc0\x010000\x00\x00",
+		"ASEF00\x00\x000000\x00\x010000\x00\x00",
+	}
+
+	for _, f := range crashers {
+		Decode(strings.NewReader(f))
+	}
+}