quantizer: make sure there are enough elements in slice before access…

…ing (#421) Fixes a panic which occurred in situations where the number of arguments was "unorthodox".
DataDog · May 18, 2018 · b8d39fe · b8d39fe
1 parent 100fc1d
commit b8d39fe
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/quantizer/redis.go b/quantizer/redis.go
@@ -53,7 +53,7 @@ func QuantizeRedis(span *model.Span) {
 
 		command := strings.ToUpper(args[0])
 
-		if redisCompoundCommandSet[command] {
+		if redisCompoundCommandSet[command] && len(args) > 1 {
 			if strings.HasSuffix(args[1], redisTruncationMark) {
 				truncated = true
 				continue