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tstest/natlab: be more paranoid about IP versions from gvisor

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I didn't actually see this, but added this while debugging something
and figured it'd be good to keep.

Updates #13038

Change-Id: I67934c8a329e0233f79c3b08516fd6bad6bfe22a
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2024-08-24 18:04:58 -07:00 committed by Brad Fitzpatrick
parent e0bdd5d058
commit 3a8cfbc381
1 changed files with 1 additions and 1 deletions
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2
tstest/natlab/vnet/vnet.go
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@ -234,7 +234,7 @@ func (n *network) handleIPPacketFromGvisor(ipRaw []byte) {
ipRaw, ipRaw,
layers.LayerTypeIPv6, gopacket.Lazy) layers.LayerTypeIPv6, gopacket.Lazy)
default: default:
return panic(fmt.Sprintf("unexpected IP packet version %v", ipVer))
} }
flow, ok := flow(goPkt) flow, ok := flow(goPkt)
if !ok { if !ok {