bencode/decode.go                                                                                             | 16 +++++++++++-----
 bencode/testdata/fuzz/FuzzInterfaceRoundTrip/321f4f280d23ac90ccaf7894a9106ad601e23fd484747898394a12bddba90615 |  2 ++
 bencode/testdata/fuzz/FuzzInterfaceRoundTrip/808391fc9a93d89909205a5216675a7e1b7b8ef7b4e4d80ec7b7b5dce6dbbb38 |  2 ++

diff --git a/bencode/decode.go b/bencode/decode.go
index 90397854bcd0bc1bdb7f66e79145fdad149dd81f..4552da1c340b4dacc28788ac4bc7c7971427b338 100644
--- a/bencode/decode.go
+++ b/bencode/decode.go
@@ -105,7 +105,7 @@ // Assume the 'i' is already consumed. Read and validate the rest of an int into the buffer.
 func (d *Decoder) readInt() error {
 	// start := d.Offset - 1
 	d.readUntil('e')
-	if err := d.bufLeadingZero(); err != nil {
+	if err := d.checkBufferedInt(); err != nil {
 		return err
 	}
 	// if d.buf.Len() == 0 {
@@ -161,10 +161,16 @@ 	d.buf.Reset()
 	return nil
 }
 
-func (d *Decoder) bufLeadingZero() error {
+func (d *Decoder) checkBufferedInt() error {
 	b := d.buf.Bytes()
-	if len(b) > 1 && b[0] == '0' {
-		return fmt.Errorf("non-zero integer has leading zeroes: %q", b)
+	if len(b) <= 1 {
+		return nil
+	}
+	if b[0] == '-' {
+		b = b[1:]
+	}
+	if b[0] < '1' || b[0] > '9' {
+		return errors.New("invalid leading digit")
 	}
 	return nil
 }
@@ -173,7 +179,7 @@ func (d *Decoder) parseStringLength() (uint64, error) {
 	// We should have already consumed the first byte of the length into the Decoder buf.
 	start := d.Offset - 1
 	d.readUntil(':')
-	if err := d.bufLeadingZero(); err != nil {
+	if err := d.checkBufferedInt(); err != nil {
 		return 0, err
 	}
 	length, err := strconv.ParseUint(bytesAsString(d.buf.Bytes()), 10, 32)
diff --git a/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/321f4f280d23ac90ccaf7894a9106ad601e23fd484747898394a12bddba90615 b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/321f4f280d23ac90ccaf7894a9106ad601e23fd484747898394a12bddba90615
new file mode 100644
index 0000000000000000000000000000000000000000..92d01013ccae070a704f1c2dc5862cde61fe6388
--- /dev/null
+++ b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/321f4f280d23ac90ccaf7894a9106ad601e23fd484747898394a12bddba90615
@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("i+0e")
diff --git a/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/808391fc9a93d89909205a5216675a7e1b7b8ef7b4e4d80ec7b7b5dce6dbbb38 b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/808391fc9a93d89909205a5216675a7e1b7b8ef7b4e4d80ec7b7b5dce6dbbb38
new file mode 100644
index 0000000000000000000000000000000000000000..ed2aa4688fb02d9f39ca4a70bef12eb998cda6ea
--- /dev/null
+++ b/bencode/testdata/fuzz/FuzzInterfaceRoundTrip/808391fc9a93d89909205a5216675a7e1b7b8ef7b4e4d80ec7b7b5dce6dbbb38
@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("i-0e")