bencode/decode.go                                                                                             | 16 +++++++++++++---
 bencode/testdata/fuzz/FuzzInterfaceRoundTrip/c73f26cbd996104c4e39ce4998a08e90a5c437df90e68caeea0650ee3c7e7b42 |  2 ++
 bencode/testdata/fuzz/FuzzInterfaceRoundTrip/eef53fca91deb00d4e30f4f59e17e92d2936cda9f4b260994a830ec27cfb88c3 |  2 ++

diff --git a/bencode/decode.go b/bencode/decode.go
index 4552da1c340b4dacc28788ac4bc7c7971427b338..53ce6efd9035f9bb1034f3652b7c59e45bfd54be 100644
--- a/bencode/decode.go
+++ b/bencode/decode.go
@@ -642,14 +642,24 @@ 	d.buf.Reset()
 	return
 }
 
+func (d *Decoder) readBytes(length int) []byte {
+	b, err := io.ReadAll(io.LimitReader(d.r, int64(length)))
+	if err != nil {
+		panic(err)
+	}
+	if len(b) != length {
+		panic(fmt.Errorf("read %v bytes expected %v", len(b), length))
+	}
+	return b
+}
+
 func (d *Decoder) parseStringInterface() string {
 	length, err := d.parseStringLength()
 	if err != nil {
 		panic(err)
 	}
-	b := make([]byte, length)
-	n, err := io.ReadFull(d.r, b)
-	d.Offset += int64(n)
+	b := d.readBytes(int(length))
+	d.Offset += int64(len(b))
 	if err != nil {
 		panic(&SyntaxError{Offset: d.Offset, What: err})
 	}
diff --git a/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/c73f26cbd996104c4e39ce4998a08e90a5c437df90e68caeea0650ee3c7e7b42 b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/c73f26cbd996104c4e39ce4998a08e90a5c437df90e68caeea0650ee3c7e7b42
new file mode 100644
index 0000000000000000000000000000000000000000..7dcf27ee555cce74baad9e518248d633b21129bc
--- /dev/null
+++ b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/c73f26cbd996104c4e39ce4998a08e90a5c437df90e68caeea0650ee3c7e7b42
@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("1:")
diff --git a/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/eef53fca91deb00d4e30f4f59e17e92d2936cda9f4b260994a830ec27cfb88c3 b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/eef53fca91deb00d4e30f4f59e17e92d2936cda9f4b260994a830ec27cfb88c3
new file mode 100644
index 0000000000000000000000000000000000000000..384fff774658471ccf2c8620e80bbab5709c1e8a
--- /dev/null
+++ b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/eef53fca91deb00d4e30f4f59e17e92d2936cda9f4b260994a830ec27cfb88c3
@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("d10000000000")