diff options
author | Toshi Kikuchi <toshik@google.com> | 2020-09-12 23:19:34 -0700 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2020-09-12 23:21:27 -0700 |
commit | b6ca96b9b9e71ba57653cf9d3ef0767771949378 (patch) | |
tree | 1be79e4ee11876cfb1742b6514ab7dc70fc93c29 /pkg/tcpip/header/ipv6.go | |
parent | 3ca73841d7ec1218cab21f7be2433f739be5d367 (diff) |
Cap reassembled IPv6 packets at 65535 octets
IPv4 can accept 65536-octet reassembled packets.
Test:
- ipv4_test.TestInvalidFragments
- ipv4_test.TestReceiveFragments
- ipv6.TestInvalidIPv6Fragments
- ipv6.TestReceiveIPv6Fragments
Fixes #3770
PiperOrigin-RevId: 331382977
Diffstat (limited to 'pkg/tcpip/header/ipv6.go')
-rw-r--r-- | pkg/tcpip/header/ipv6.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/tcpip/header/ipv6.go b/pkg/tcpip/header/ipv6.go index ea3823898..0761a1807 100644 --- a/pkg/tcpip/header/ipv6.go +++ b/pkg/tcpip/header/ipv6.go @@ -74,6 +74,10 @@ const ( // IPv6AddressSize is the size, in bytes, of an IPv6 address. IPv6AddressSize = 16 + // IPv6MaximumPayloadSize is the maximum size of a valid IPv6 payload per + // RFC 8200 Section 4.5. + IPv6MaximumPayloadSize = 65535 + // IPv6ProtocolNumber is IPv6's network protocol number. IPv6ProtocolNumber tcpip.NetworkProtocolNumber = 0x86dd |