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| author | gVisor bot <gvisor-bot@google.com> | 2020-04-24 00:33:56 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-04-24 00:33:56 +0000 |
| commit | c860716ef867306f28feccf25ab9c0066e3c5ffb (patch) | |
| tree | 02ef0516b5fea1e5be8723d1c1999aa22f145282 /pkg/tcpip/network/ipv6/ipv6.go | |
| parent | 4b90fa57811fd8ad60e10cfe8fa0fca9edb7522c (diff) | |
| parent | eccae0f77d3708d591119488f427eca90de7c711 (diff) | |
Merge release-20200323.0-227-geccae0f (automated)
Diffstat (limited to 'pkg/tcpip/network/ipv6/ipv6.go')
| -rw-r--r-- | pkg/tcpip/network/ipv6/ipv6.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pkg/tcpip/network/ipv6/ipv6.go b/pkg/tcpip/network/ipv6/ipv6.go index 331b0817b..486725131 100644 --- a/pkg/tcpip/network/ipv6/ipv6.go +++ b/pkg/tcpip/network/ipv6/ipv6.go @@ -171,7 +171,11 @@ func (*endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt stack.PacketBuffe // HandlePacket is called by the link layer when new ipv6 packets arrive for // this endpoint. func (e *endpoint) HandlePacket(r *stack.Route, pkt stack.PacketBuffer) { - headerView := pkt.Data.First() + headerView, ok := pkt.Data.PullUp(header.IPv6MinimumSize) + if !ok { + r.Stats().IP.MalformedPacketsReceived.Increment() + return + } h := header.IPv6(headerView) if !h.IsValid(pkt.Data.Size()) { r.Stats().IP.MalformedPacketsReceived.Increment() |