From: Matt Joiner <anacrolix@gmail.com>
Date: Sun, 18 Aug 2019 06:51:20 +0000 (+1000)
Subject: metainfo: Add fuzzing func
X-Git-Tag: v1.7.0~11
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=f16bea62a18fc76fba2ce6667ac41515e85c2d99;p=btrtrc.git

metainfo: Add fuzzing func
---

diff --git a/metainfo/fuzz.go b/metainfo/fuzz.go
new file mode 100644
index 00000000..60ece520
--- /dev/null
+++ b/metainfo/fuzz.go
@@ -0,0 +1,28 @@
+// +build gofuzz
+
+package metainfo
+
+import (
+	"github.com/anacrolix/torrent/bencode"
+)
+
+func Fuzz(b []byte) int {
+	var mi MetaInfo
+	err := bencode.Unmarshal(b, &mi)
+	if err != nil {
+		return 0
+	}
+	_, err = bencode.Marshal(mi)
+	if err != nil {
+		panic(err)
+	}
+	info, err := mi.UnmarshalInfo()
+	if err != nil {
+		return 0
+	}
+	_, err = bencode.Marshal(info)
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}