fix underflow error found by fuzzing

2016-05-04 10:51:57 -07:00 · 2016-05-04 10:51:57 -07:00 · 9e13209db1
parent 256afede6e
commit 9e13209db1
1 changed files with 2 additions and 1 deletions
--- a/codec.go
+++ b/codec.go
@ -70,9 +70,10 @@ func validateBytes(b []byte) (err error) {
 			return err
 		}

-		if len(b) < size {
+		if len(b) < size || size < 0 {
 			return fmt.Errorf("invalid value for size")
 		}
+
 		b = b[size:]
 	}