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| author | gVisor bot <gvisor-bot@google.com> | 2020-06-19 11:41:37 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-06-19 11:43:20 -0700 |
| commit | d962f9f3842c5c352bc61411cf27e38ba2219317 (patch) | |
| tree | be70f64bf1f6870e2fdfeec2285540adc4a702f8 /pkg/sentry/socket/netstack | |
| parent | a609fff9d1516a095341c2016ec36f952550a46f (diff) | |
Implement UDP cheksum verification.
Test:
- TestIncrementChecksumErrors
Fixes #2943
PiperOrigin-RevId: 317348158
Diffstat (limited to 'pkg/sentry/socket/netstack')
| -rw-r--r-- | pkg/sentry/socket/netstack/netstack.go | 1 | ||||
| -rw-r--r-- | pkg/sentry/socket/netstack/stack.go | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go index 738277391..c0b63a803 100644 --- a/pkg/sentry/socket/netstack/netstack.go +++ b/pkg/sentry/socket/netstack/netstack.go @@ -191,6 +191,7 @@ var Metrics = tcpip.Stats{ MalformedPacketsReceived: mustCreateMetric("/netstack/udp/malformed_packets_received", "Number of incoming UDP datagrams dropped due to the UDP header being in a malformed state."), PacketsSent: mustCreateMetric("/netstack/udp/packets_sent", "Number of UDP datagrams sent."), PacketSendErrors: mustCreateMetric("/netstack/udp/packet_send_errors", "Number of UDP datagrams failed to be sent."), + ChecksumErrors: mustCreateMetric("/netstack/udp/checksum_errors", "Number of UDP datagrams dropped due to bad checksums."), }, } diff --git a/pkg/sentry/socket/netstack/stack.go b/pkg/sentry/socket/netstack/stack.go index ee11742a6..d2fb655ea 100644 --- a/pkg/sentry/socket/netstack/stack.go +++ b/pkg/sentry/socket/netstack/stack.go @@ -313,7 +313,7 @@ func (s *Stack) Statistics(stat interface{}, arg string) error { udp.PacketsSent.Value(), // OutDatagrams. udp.ReceiveBufferErrors.Value(), // RcvbufErrors. 0, // Udp/SndbufErrors. - 0, // Udp/InCsumErrors. + udp.ChecksumErrors.Value(), // Udp/InCsumErrors. 0, // Udp/IgnoredMulti. } default: |