tun/netstack: bump gvisor

Bump gVisor to a recent known-good version.

Signed-off-by: Colin Adler <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>

Author: coadler

go.mod

@@ -5,9 +5,9 @@ go 1.19
 require (
 	golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd
 	golang.org/x/net v0.0.0-20220225172249-27dd8689420f
-	golang.org/x/sys v0.0.0-20220315194320-039c03cc5b86
+	golang.org/x/sys v0.2.0
 	golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224
-	gvisor.dev/gvisor v0.0.0-20220817001344-846276b3dbc5
+	gvisor.dev/gvisor v0.0.0-20221203005347-703fd9b7fbc0
 )
 
 require (

go.sum

@@ -4,11 +4,11 @@ golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd h1:XcWmESyNjXJMLahc3mqVQJ
 golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/net v0.0.0-20220225172249-27dd8689420f h1:oA4XRj0qtSt8Yo1Zms0CUlsT3KG69V2UGQWPBxujDmc=
 golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/sys v0.0.0-20220315194320-039c03cc5b86 h1:A9i04dxx7Cribqbs8jf3FQLogkL/CV2YN7hj9KWJCkc=
-golang.org/x/sys v0.0.0-20220315194320-039c03cc5b86/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
+golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 h1:Ug9qvr1myri/zFN6xL17LSCBGFDnphBBhzmILHsM5TY=
 golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
-gvisor.dev/gvisor v0.0.0-20220817001344-846276b3dbc5 h1:cv/zaNV0nr1mJzaeo4S5mHIm5va1W0/9J3/5prlsuRM=
-gvisor.dev/gvisor v0.0.0-20220817001344-846276b3dbc5/go.mod h1:TIvkJD0sxe8pIob3p6T8IzxXunlp6yfgktvTNp+DGNM=
+gvisor.dev/gvisor v0.0.0-20221203005347-703fd9b7fbc0 h1:Wobr37noukisGxpKo5jAsLREcpj61RxrWYzD8uwveOY=
+gvisor.dev/gvisor v0.0.0-20221203005347-703fd9b7fbc0/go.mod h1:Dn5idtptoW1dIos9U6A2rpebLs/MtTwFacjKb8jLdQA=

tun/netstack/tun.go

@@ -141,7 +141,7 @@ func (tun *netTun) Write(buf []byte, offset int) (int, error) {
 
 func (tun *netTun) WriteNotify() {
 	pkt := tun.ep.Read()
-	if pkt == nil {
+	if pkt.IsNil() {
 		return
 	}