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go.mod: bump gvisor.dev/gvisor

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Pick up https://github.com/google/gvisor/pull/7787

Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali
2022-07-21 16:26:02 -07:00
committed by Maisem Ali
parent 1d33157ab9
commit 9514ed33d2
7 changed files with 23 additions and 25 deletions
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3
net/tstun/tap_linux.go
View File

@@ -14,7 +14,6 @@ import (
"golang.org/x/sys/unix"
"golang.zx2c4.com/wireguard/tun"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
@@ -290,7 +289,7 @@ func (t *Wrapper) handleDHCPRequest(ethBuf []byte) bool {
}
func packLayer2UDP(payload []byte, srcMAC, dstMAC net.HardwareAddr, src, dst netaddr.IPPort) []byte {
buf := buffer.NewView(header.EthernetMinimumSize + header.UDPMinimumSize + header.IPv4MinimumSize + len(payload))
buf := make([]byte, header.EthernetMinimumSize+header.UDPMinimumSize+header.IPv4MinimumSize+len(payload))
payloadStart := len(buf) - len(payload)
copy(buf[payloadStart:], payload)
srcB := src.IP().As4()

13
net/tstun/wrap.go
View File

@@ -524,9 +524,10 @@ func (t *Wrapper) Read(buf []byte, offset int) (int, error) {
var n int
if res.packet != nil {
n = copy(buf[offset:], res.packet.NetworkHeader().View())
n += copy(buf[offset+n:], res.packet.TransportHeader().View())
n += copy(buf[offset+n:], res.packet.Data().AsRange().AsView())
n = copy(buf[offset:], res.packet.NetworkHeader().Slice())
n += copy(buf[offset+n:], res.packet.TransportHeader().Slice())
n += copy(buf[offset+n:], res.packet.Data().AsRange().ToSlice())
res.packet.DecRef()
} else {
@@ -715,9 +716,9 @@ func (t *Wrapper) SetFilter(filt *filter.Filter) {
func (t *Wrapper) InjectInboundPacketBuffer(pkt *stack.PacketBuffer) error {
buf := make([]byte, PacketStartOffset+pkt.Size())
n := copy(buf[PacketStartOffset:], pkt.NetworkHeader().View())
n += copy(buf[PacketStartOffset+n:], pkt.TransportHeader().View())
n += copy(buf[PacketStartOffset+n:], pkt.Data().AsRange().AsView())
n := copy(buf[PacketStartOffset:], pkt.NetworkHeader().Slice())
n += copy(buf[PacketStartOffset+n:], pkt.TransportHeader().Slice())
n += copy(buf[PacketStartOffset+n:], pkt.Data().AsRange().ToSlice())
if n != pkt.Size() {
panic("unexpected packet size after copy")
}