diff options
Diffstat (limited to 'pkg/sentry/socket/netstack')
| -rw-r--r-- | pkg/sentry/socket/netstack/netstack.go | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go index b462924af..816c89cfa 100644 --- a/pkg/sentry/socket/netstack/netstack.go +++ b/pkg/sentry/socket/netstack/netstack.go @@ -1185,7 +1185,7 @@ func getSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, fam var v tcpip.LingerOption var linger linux.Linger if err := ep.GetSockOpt(&v); err != nil { - return &linger, nil + return nil, syserr.TranslateNetstackError(err) } if v.Enabled { @@ -1768,10 +1768,16 @@ func SetSockOpt(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, level int case linux.SOL_IP: return setSockOptIP(t, s, ep, name, optVal) + case linux.SOL_PACKET: + // gVisor doesn't support any SOL_PACKET options just return not + // supported. Returning nil here will result in tcpdump thinking AF_PACKET + // features are supported and proceed to use them and break. + t.Kernel().EmitUnimplementedEvent(t) + return syserr.ErrProtocolNotAvailable + case linux.SOL_UDP, linux.SOL_ICMPV6, - linux.SOL_RAW, - linux.SOL_PACKET: + linux.SOL_RAW: t.Kernel().EmitUnimplementedEvent(t) } |