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| author | Ghanan Gowripalan <ghanan@google.com> | 2020-09-29 13:44:03 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-09-29 13:45:36 -0700 |
| commit | 1d88bce55e0c8ef77e31863d264b896493dce90f (patch) | |
| tree | b063630e5349849367a11acf55509e29777e63b3 /pkg/tcpip/network/ipv6 | |
| parent | 994c90e2d2dc3806350f1635839f601e2fac5bb6 (diff) | |
Don't generate link-local IPv6 for loopback
Linux doesn't generate a link-local address for the loopback interface.
Test: integration_test.TestInitialLoopbackAddresses
PiperOrigin-RevId: 334453182
Diffstat (limited to 'pkg/tcpip/network/ipv6')
| -rw-r--r-- | pkg/tcpip/network/ipv6/ipv6.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/tcpip/network/ipv6/ipv6.go b/pkg/tcpip/network/ipv6/ipv6.go index 990e67210..e74160aa8 100644 --- a/pkg/tcpip/network/ipv6/ipv6.go +++ b/pkg/tcpip/network/ipv6/ipv6.go @@ -258,7 +258,7 @@ func (e *endpoint) Enable() *tcpip.Error { } // Do not auto-generate an IPv6 link-local address for loopback devices. - if e.protocol.autoGenIPv6LinkLocal { + if e.protocol.autoGenIPv6LinkLocal && !e.nic.IsLoopback() { // The valid and preferred lifetime is infinite for the auto-generated // link-local address. e.mu.ndp.doSLAAC(header.IPv6LinkLocalPrefix.Subnet(), header.NDPInfiniteLifetime, header.NDPInfiniteLifetime) |