ing

internal/pcap/pcap_scan.go

@@ -2,6 +2,7 @@ package pcap
 
 import (
 	"fmt"
+	"log"
 	"sort"
 	"sync"
 
@@ -199,12 +200,15 @@ func (ps *pCapScan) CloseTCP(ip string, ch chan *layers.TCP) {
 	}
 
 	chs := ps.tcpListenerChans[ip]
+	log.Print("len1 ", len(chs))
 	i := sort.Search(len(chs), func(i int) bool {
 		return ch == chs[i]
 	})
+	log.Print("len2 ", len(chs))
 
-	if -1 != i {
+	if -1 != i && len(chs) > i {
 		close(ch)
+		log.Print("len3 ", len(chs), " i ", i)
 		ps.tcpListenerChans[ip] = append(ps.tcpListenerChans[ip][:i], ps.tcpListenerChans[ip][i+1:]...)
 	}