From cc47c8522a636608c39649875075ddfed42181a9 Mon Sep 17 00:00:00 2001
From: akwizgran <michael@briarproject.org>
Date: Thu, 24 Aug 2023 15:53:00 +0100
Subject: [PATCH] Catch NPE from NetworkInterface.getByInetAddress().

---
 .../briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java b/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java
index 74e9ffa8e..4aaf2e559 100644
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java
@@ -201,6 +201,7 @@ class AndroidLanTcpPlugin extends LanTcpPlugin {
 	@Nullable
 	private InetAddress getIpv6AddressForInterface(InetAddress ipv4) {
 		try {
+			// We may get an NPE from getByInetAddress() on Android 11
 			NetworkInterface iface = NetworkInterface.getByInetAddress(ipv4);
 			if (iface == null) return null;
 			for (InetAddress addr : list(iface.getInetAddresses())) {
@@ -208,7 +209,7 @@ class AndroidLanTcpPlugin extends LanTcpPlugin {
 			}
 			// No suitable address
 			return null;
-		} catch (SocketException e) {
+		} catch (SocketException | NullPointerException e) {
 			logException(LOG, WARNING, e);
 			return null;
 		}