Fix range check to avoid index out of range panic

divergentdave · Mar 13, 2017 · 558797a · 558797a
1 parent c36b858
commit 558797a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/parser/parser.go b/parser/parser.go
@@ -85,7 +85,7 @@ func GetSNBlock(data []byte) ([]byte, error) {
 	data = data[2 : extensionLength+2]
 
 	for {
-		if index >= len(data) {
+		if index+4 >= len(data) {
 			break
 		}
 		length := int((data[index+2] << 8) + data[index+3])