From 15215d0c2c80527f89863f89cd7007ada1288a2f Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Mon, 10 Jul 2017 15:41:00 +0100
Subject: [PATCH] prevent concurrent map access in ebpf fd install event
 handler

which presumably could cause havoc
---
 probe/endpoint/ebpf.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/probe/endpoint/ebpf.go b/probe/endpoint/ebpf.go
index 7b1708952..f69d48df1 100644
--- a/probe/endpoint/ebpf.go
+++ b/probe/endpoint/ebpf.go
@@ -180,6 +180,10 @@ func (t *EbpfTracker) handleFdInstall(ev tracer.EventType, pid int, fd int) {
 	if !ok {
 		return
 	}
+
+	t.Lock()
+	defer t.Unlock()
+
 	t.openConnections[tuple] = ebpfConnection{
 		incoming:         true,
 		tuple:            tuple,