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noop upon IP_PMTUDISC_INTERFACE and IP_PMTUDISC_OMIT

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This is what we did previously, and doing so avoids breaking some users.

Fixes #10760.

PiperOrigin-RevId: 663358270
This commit is contained in:
Kevin Krakauer
2024-08-15 10:35:00 -07:00
committed by gVisor bot
parent b508258e39
commit 626010438a
2 changed files with 16 additions and 0 deletions
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pkg/sentry/socket/netstack/netstack.go
+2
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@@ -2625,6 +2625,8 @@ func setSockOptIP(t *kernel.Task, s socket.Socket, ep commonEndpoint, name int,
v = int32(tcpip.PMTUDiscoveryDo)
case linux.IP_PMTUDISC_PROBE:
v = int32(tcpip.PMTUDiscoveryProbe)
case linux.IP_PMTUDISC_INTERFACE, linux.IP_PMTUDISC_OMIT:
return nil // Noop.
default:
return syserr.ErrNotSupported
}