Avoid closing nil tunnel readers #749

BishopFox · Jul 26, 2022 · fee6ee8 · fee6ee8
1 parent a1d3cbd
commit fee6ee8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/implant/sliver/transports/tunnel.go b/implant/sliver/transports/tunnel.go
@@ -59,7 +59,9 @@ func (c *Tunnel) IncWriteSequence() {
 // Close - close tunnel reader and writer
 func (c *Tunnel) Close() {
 	for _, rc := range c.Readers {
-		rc.Close()
+		if rc != nil {
+			rc.Close()
+		}
 	}
 	c.Writer.Close()
 }