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Merge "Don't crash when receiving an RTM_DELNEIGH or NUD_FAILED." am: 941a53ce91 am: 81dd21611d

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Change-Id: Ie7060e6408acd73f1a5d2456d030a1958df32847
This commit is contained in:
Lorenzo Colitti
2020-04-14 09:21:19 +00:00
committed by Automerger Merge Worker
parent caf808e0eb 81dd21611d
commit dd43e05b6e
2 changed files with 12 additions and 5 deletions
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9
Tethering/src/android/net/ip/IpServer.java
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@@ -122,6 +122,8 @@ public class IpServer extends StateMachine {
// TODO: have this configurable
private static final int DHCP_LEASE_TIME_SECS = 3600;
private static final MacAddress NULL_MAC_ADDRESS = MacAddress.fromString("00:00:00:00:00:00");
private static final String TAG = "IpServer";
private static final boolean DBG = false;
private static final boolean VDBG = false;
@@ -902,9 +904,12 @@ public class IpServer extends StateMachine {
return;
}
// When deleting rules, we still need to pass a non-null MAC, even though it's ignored.
// Do this here instead of in the Ipv6ForwardingRule constructor to ensure that we never
// add rules with a null MAC, only delete them.
MacAddress dstMac = e.isValid() ? e.macAddr : NULL_MAC_ADDRESS;
Ipv6ForwardingRule rule = new Ipv6ForwardingRule(upstreamIfindex,
mInterfaceParams.index, (Inet6Address) e.ip, mInterfaceParams.macAddr,
e.macAddr);
mInterfaceParams.index, (Inet6Address) e.ip, mInterfaceParams.macAddr, dstMac);
if (e.isValid()) {
addIpv6ForwardingRule(rule);
} else {