Copy data in msg callback

[govpp.git] / core / request_handler.go

diff --git a/core/request_handler.go b/core/request_handler.go
index 14c095d..c042948 100644 (file)
--- a/core/request_handler.go
+++ b/core/request_handler.go
@@ -193,11 +193,12 @@ func (c *Connection) msgCallback(msgID uint16, data []byte) {
        // treat this as a last part of the reply
        lastReplyReceived := isMulti && msgID == c.pingReplyID
 
-       // send the data to the channel
+       // send the data to the channel, it needs to be copied,
+       // because it will be freed after this function returns
        sendReply(ch, &vppReply{
                msgID:        msgID,
                seqNum:       seqNum,
-               data:         data,
+               data:         append([]byte(nil), data...),
                lastReceived: lastReplyReceived,
        })