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NPE when getting IPv6 address for network interface

  • Android version: 11
  • Phone model: OnePlus HD1903 (OnePlus7T)
  • Briar version: 1.4.6 (d5e17c82)

Stacktrace:

java.lang.NullPointerException: Attempt to read from field 'java.util.List java.net.NetworkInterface.childs' on a null object reference
        at java.net.NetworkInterface.getAll(NetworkInterface.java:498)
        at java.net.NetworkInterface.getByInetAddress(NetworkInterface.java:365)
        at org.briarproject.bramble.plugin.tcp.AndroidLanTcpPlugin.getIpv6AddressForInterface(AndroidLanTcpPlugin.java:199)
        at org.briarproject.bramble.plugin.tcp.AndroidLanTcpPlugin.getWifiAddress(AndroidLanTcpPlugin.java:125)
        at org.briarproject.bramble.plugin.tcp.AndroidLanTcpPlugin.getUsableLocalInetAddresses(AndroidLanTcpPlugin.java:110)
        at org.briarproject.bramble.plugin.tcp.LanTcpPlugin.getLocalSocketAddresses(LanTcpPlugin.java:140)
        at org.briarproject.bramble.plugin.tcp.TcpPlugin.bind(TcpPlugin.java:159)
        at org.briarproject.bramble.plugin.tcp.TcpPlugin.lambda$bind$0(TcpPlugin.java:152)
        at org.briarproject.bramble.plugin.tcp.TcpPlugin.$r8$lambda$IG7OujafuxmUKGD9Z35IgV8DTwo(Unknown Source:0)
        at org.briarproject.bramble.plugin.tcp.TcpPlugin$$ExternalSyntheticLambda0.run(Unknown Source:2)
        at org.briarproject.bramble.PoliteExecutor.lambda$execute$0(PoliteExecutor.java:57)
        at org.briarproject.bramble.PoliteExecutor.$r8$lambda$wSvuPL6t_HUoaaqCVexrhJX_RSg(Unknown Source:0)
        at org.briarproject.bramble.PoliteExecutor$$ExternalSyntheticLambda0.run(Unknown Source:6)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.lang.Thread.run(Thread.java:923)