go.mod,*: bump gvisor

Updates #9253

Signed-off-by: Andrea Barisani <[email protected]>
Signed-off-by: James Tucker <[email protected]>

cmd/tailscaled/depaware.txt

@@ -167,14 +167,14 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
    W 💣 golang.zx2c4.com/wintun                                      from github.com/tailscale/wireguard-go/tun+
    W 💣 golang.zx2c4.com/wireguard/windows/tunnel/winipcfg           from tailscale.com/net/dns+
         gvisor.dev/gvisor/pkg/atomicbitops                           from gvisor.dev/gvisor/pkg/tcpip+
-        gvisor.dev/gvisor/pkg/bits                                   from gvisor.dev/gvisor/pkg/bufferv2
-     💣 gvisor.dev/gvisor/pkg/bufferv2                               from gvisor.dev/gvisor/pkg/tcpip+
+        gvisor.dev/gvisor/pkg/bits                                   from gvisor.dev/gvisor/pkg/buffer
+     💣 gvisor.dev/gvisor/pkg/buffer                                 from gvisor.dev/gvisor/pkg/tcpip+
         gvisor.dev/gvisor/pkg/context                                from gvisor.dev/gvisor/pkg/refs
      💣 gvisor.dev/gvisor/pkg/gohacks                                from gvisor.dev/gvisor/pkg/state/wire+
         gvisor.dev/gvisor/pkg/linewriter                             from gvisor.dev/gvisor/pkg/log
         gvisor.dev/gvisor/pkg/log                                    from gvisor.dev/gvisor/pkg/context+
         gvisor.dev/gvisor/pkg/rand                                   from gvisor.dev/gvisor/pkg/tcpip/network/hash+
-        gvisor.dev/gvisor/pkg/refs                                   from gvisor.dev/gvisor/pkg/bufferv2+
+        gvisor.dev/gvisor/pkg/refs                                   from gvisor.dev/gvisor/pkg/buffer+
      💣 gvisor.dev/gvisor/pkg/sleep                                  from gvisor.dev/gvisor/pkg/tcpip/transport/tcp
      💣 gvisor.dev/gvisor/pkg/state                                  from gvisor.dev/gvisor/pkg/atomicbitops+
         gvisor.dev/gvisor/pkg/state/wire                             from gvisor.dev/gvisor/pkg/state
@@ -182,7 +182,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
      💣 gvisor.dev/gvisor/pkg/sync/locking                           from gvisor.dev/gvisor/pkg/tcpip/stack
         gvisor.dev/gvisor/pkg/tcpip                                  from gvisor.dev/gvisor/pkg/tcpip/header+
         gvisor.dev/gvisor/pkg/tcpip/adapters/gonet                   from tailscale.com/wgengine/netstack
-        gvisor.dev/gvisor/pkg/tcpip/checksum                         from gvisor.dev/gvisor/pkg/bufferv2+
+        gvisor.dev/gvisor/pkg/tcpip/checksum                         from gvisor.dev/gvisor/pkg/buffer+
         gvisor.dev/gvisor/pkg/tcpip/hash/jenkins                     from gvisor.dev/gvisor/pkg/tcpip/stack+
         gvisor.dev/gvisor/pkg/tcpip/header                           from gvisor.dev/gvisor/pkg/tcpip/header/parse+
         gvisor.dev/gvisor/pkg/tcpip/header/parse                     from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+

go.mod

@@ -76,19 +76,19 @@ require (
 	go.uber.org/zap v1.24.0
 	go4.org/mem v0.0.0-20220726221520-4f986261bf13
 	go4.org/netipx v0.0.0-20230728180743-ad4cb58a6516
-	golang.org/x/crypto v0.12.0
+	golang.org/x/crypto v0.13.0
 	golang.org/x/exp v0.0.0-20230725093048-515e97ebf090
-	golang.org/x/mod v0.11.0
-	golang.org/x/net v0.14.0
+	golang.org/x/mod v0.12.0
+	golang.org/x/net v0.15.0
 	golang.org/x/oauth2 v0.7.0
-	golang.org/x/sync v0.2.0
-	golang.org/x/sys v0.11.0
-	golang.org/x/term v0.11.0
+	golang.org/x/sync v0.3.0
+	golang.org/x/sys v0.12.0
+	golang.org/x/term v0.12.0
 	golang.org/x/time v0.3.0
-	golang.org/x/tools v0.9.1
+	golang.org/x/tools v0.13.0
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2
 	golang.zx2c4.com/wireguard/windows v0.5.3
-	gvisor.dev/gvisor v0.0.0-20230504175454-7b0a1988a28f
+	gvisor.dev/gvisor v0.0.0-20230928000133-4fe30062272c
 	honnef.co/go/tools v0.4.3
 	inet.af/peercred v0.0.0-20210906144145-0893ea02156a
 	inet.af/tcpproxy v0.0.0-20221017015627-91f861402626
@@ -340,7 +340,7 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp/typeparams v0.0.0-20230425010034-47ecfdc1ba53 // indirect
 	golang.org/x/image v0.7.0 // indirect
-	golang.org/x/text v0.12.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.3.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.30.0 // indirect

go.sum

@@ -995,8 +995,8 @@ golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw
 golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
 golang.org/x/crypto v0.3.1-0.20221117191849-2c476679df9a/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
 golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
-golang.org/x/crypto v0.12.0 h1:tFM/ta59kqch6LlvYnPa0yx5a83cL2nHflFhYKvv9Yk=
-golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
+golang.org/x/crypto v0.13.0 h1:mvySKfSWJ+UKUii46M40LOvyWfN0s2U+46/jDd0e6Ck=
+golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -1046,8 +1046,8 @@ golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91
 golang.org/x/mod v0.6.0/go.mod h1:4mET923SAdbXp2ki8ey+zGs1SLqsuM2Y0uvdZR/fUNI=
 golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.11.0 h1:bUO06HqtnRcc/7l71XBe4WcqTZ+3AH1J59zWDDwLKgU=
-golang.org/x/mod v0.11.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
+golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -1093,8 +1093,8 @@ golang.org/x/net v0.3.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
-golang.org/x/net v0.14.0 h1:BONx9s002vGdD9umnlX1Po8vOZmrgH34qlHcD1MfK14=
-golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
+golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8=
+golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1120,8 +1120,8 @@ golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
-golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -1192,8 +1192,8 @@ golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.4.1-0.20230131160137-e7d7f63158de/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
-golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -1202,8 +1202,8 @@ golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
 golang.org/x/term v0.4.0/go.mod h1:9P2UbLfCdcvo3p/nzKvsmas4TnlujnuoV9hGgYzW1lQ=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
-golang.org/x/term v0.11.0 h1:F9tnn/DA/Im8nCwm+fX+1/eBwi4qFjRT++MhtVC4ZX0=
-golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
+golang.org/x/term v0.12.0 h1:/ZfYdc3zq+q02Rv9vGqTeSItdzZTSNDmfTi0mBAuidU=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -1219,8 +1219,8 @@ golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
-golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -1299,8 +1299,8 @@ golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
 golang.org/x/tools v0.4.0/go.mod h1:UE5sM2OK9E/d67R0ANs2xJizIymRP5gJU295PvKXxjQ=
 golang.org/x/tools v0.5.0/go.mod h1:N+Kgy78s5I24c24dU8OfWNEotWjutIs8SnJvn5IDq+k=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.9.1 h1:8WMNJAz3zrtPmnYC7ISf5dEn3MT0gY7jBJfw27yrrLo=
-golang.org/x/tools v0.9.1/go.mod h1:owI94Op576fPu3cIGQeHs3joujW/2Oc6MtlxbF5dfNc=
+golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -1439,8 +1439,8 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.4.0 h1:ZazjZUfuVeZGLAmlKKuyv3IKP5orXcwtOwDQH6YVr6o=
 gotest.tools/v3 v3.4.0/go.mod h1:CtbdzLSsqVhDgMtKsx03ird5YTGB3ar27v0u/yKBW5g=
-gvisor.dev/gvisor v0.0.0-20230504175454-7b0a1988a28f h1:8GE2MRjGiFmfpon8dekPI08jEuNMQzSffVHgdupcO4E=
-gvisor.dev/gvisor v0.0.0-20230504175454-7b0a1988a28f/go.mod h1:pzr6sy8gDLfVmDAg8OYrlKvGEHw5C3PGTiBXBTCx76Q=
+gvisor.dev/gvisor v0.0.0-20230928000133-4fe30062272c h1:bYb98Ra11fJ8F2xFbZx0zg2VQ28lYqC1JxfaaF53xqY=
+gvisor.dev/gvisor v0.0.0-20230928000133-4fe30062272c/go.mod h1:AVgIgHMwK63XvmAzWG9vLQ41YnVHN0du0tEC46fI7yY=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

net/tstun/tap_linux.go

@@ -296,9 +296,9 @@ func packLayer2UDP(payload []byte, srcMAC, dstMAC net.HardwareAddr, src, dst net
 	payloadStart := len(buf) - len(payload)
 	copy(buf[payloadStart:], payload)
 	srcB := src.Addr().As4()
-	srcIP := tcpip.Address(srcB[:])
+	srcIP := tcpip.AddrFromSlice(srcB[:])
 	dstB := dst.Addr().As4()
-	dstIP := tcpip.Address(dstB[:])
+	dstIP := tcpip.AddrFromSlice(dstB[:])
 	// Ethernet header
 	eth := header.Ethernet(buf)
 	eth.Encode(&header.EthernetFields{

net/tstun/wrap_test.go

@@ -23,7 +23,7 @@ import (
 	"github.com/tailscale/wireguard-go/tun/tuntest"
 	"go4.org/mem"
 	"go4.org/netipx"
-	"gvisor.dev/gvisor/pkg/bufferv2"
+	"gvisor.dev/gvisor/pkg/buffer"
 	"gvisor.dev/gvisor/pkg/tcpip/stack"
 	"tailscale.com/disco"
 	"tailscale.com/net/connstats"
@@ -845,12 +845,12 @@ func TestCaptureHook(t *testing.T) {
 		[]byte("Write2"),
 	}, 0)
 	packetBuf := stack.NewPacketBuffer(stack.PacketBufferOptions{
-		Payload: bufferv2.MakeWithData([]byte("InjectInboundPacketBuffer")),
+		Payload: buffer.MakeWithData([]byte("InjectInboundPacketBuffer")),
 	})
 	w.InjectInboundPacketBuffer(packetBuf)
 
 	packetBuf = stack.NewPacketBuffer(stack.PacketBufferOptions{
-		Payload: bufferv2.MakeWithData([]byte("InjectOutboundPacketBuffer")),
+		Payload: buffer.MakeWithData([]byte("InjectOutboundPacketBuffer")),
 	})
 	w.InjectOutboundPacketBuffer(packetBuf)
 

wgengine/netstack/netstack.go

@@ -17,12 +17,11 @@ import (
 	"os/exec"
 	"runtime"
 	"strconv"
-	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
 
-	"gvisor.dev/gvisor/pkg/bufferv2"
+	"gvisor.dev/gvisor/pkg/buffer"
 	"gvisor.dev/gvisor/pkg/refs"
 	"gvisor.dev/gvisor/pkg/tcpip"
 	"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
@@ -197,8 +196,8 @@ func Create(logf logger.Logf, tundev *tstun.Wrapper, e wgengine.Engine, mc *magi
 	ipstack.SetPromiscuousMode(nicID, true)
 	// Add IPv4 and IPv6 default routes, so all incoming packets from the Tailscale side
 	// are handled by the one fake NIC we use.
-	ipv4Subnet, _ := tcpip.NewSubnet(tcpip.Address(strings.Repeat("\x00", 4)), tcpip.AddressMask(strings.Repeat("\x00", 4)))
-	ipv6Subnet, _ := tcpip.NewSubnet(tcpip.Address(strings.Repeat("\x00", 16)), tcpip.AddressMask(strings.Repeat("\x00", 16)))
+	ipv4Subnet, _ := tcpip.NewSubnet(tcpip.AddrFromSlice(bytes.Repeat([]byte{0x00}, 4)), tcpip.MaskFromBytes(bytes.Repeat([]byte{0x00}, 4)))
+	ipv6Subnet, _ := tcpip.NewSubnet(tcpip.AddrFromSlice(bytes.Repeat([]byte{0x00}, 16)), tcpip.MaskFromBytes(bytes.Repeat([]byte{0x00}, 16)))
 	ipstack.SetRouteTable([]tcpip.Route{
 		{
 			Destination: ipv4Subnet,
@@ -241,7 +240,7 @@ func (ns *Impl) Close() error {
 func (ns *Impl) wrapProtoHandler(h func(stack.TransportEndpointID, stack.PacketBufferPtr) bool) func(stack.TransportEndpointID, stack.PacketBufferPtr) bool {
 	return func(tei stack.TransportEndpointID, pb stack.PacketBufferPtr) bool {
 		addr := tei.LocalAddress
-		ip, ok := netip.AddrFromSlice(net.IP(addr))
+		ip, ok := netip.AddrFromSlice(net.IP(addr.AsSlice()))
 		if !ok {
 			ns.logf("netstack: could not parse local address for incoming connection")
 			return false
@@ -280,10 +279,7 @@ func (ns *Impl) addSubnetAddress(ip netip.Addr) {
 	// Only register address into netstack for first concurrent connection.
 	if needAdd {
 		pa := tcpip.ProtocolAddress{
-			AddressWithPrefix: tcpip.AddressWithPrefix{
-				Address:   tcpip.Address(ip.AsSlice()),
-				PrefixLen: int(ip.BitLen()),
-			},
+			AddressWithPrefix: tcpip.AddrFromSlice(ip.AsSlice()).WithPrefix(),
 		}
 		if ip.Is4() {
 			pa.Protocol = ipv4.ProtocolNumber
@@ -303,14 +299,14 @@ func (ns *Impl) removeSubnetAddress(ip netip.Addr) {
 	ns.connsOpenBySubnetIP[ip]--
 	// Only unregister address from netstack after last concurrent connection.
 	if ns.connsOpenBySubnetIP[ip] == 0 {
-		ns.ipstack.RemoveAddress(nicID, tcpip.Address(ip.AsSlice()))
+		ns.ipstack.RemoveAddress(nicID, tcpip.AddrFromSlice(ip.AsSlice()))
 		delete(ns.connsOpenBySubnetIP, ip)
 	}
 }
 
 func ipPrefixToAddressWithPrefix(ipp netip.Prefix) tcpip.AddressWithPrefix {
 	return tcpip.AddressWithPrefix{
-		Address:   tcpip.Address(ipp.Addr().AsSlice()),
+		Address:   tcpip.AddrFromSlice(ipp.Addr().AsSlice()),
 		PrefixLen: int(ipp.Bits()),
 	}
 }
@@ -374,7 +370,7 @@ func (ns *Impl) UpdateNetstackIPs(nm *netmap.NetworkMap) {
 	}
 	ns.mu.Lock()
 	for ip := range ns.connsOpenBySubnetIP {
-		ipp := tcpip.Address(ip.AsSlice()).WithPrefix()
+		ipp := tcpip.AddrFromSlice(ip.AsSlice()).WithPrefix()
 		delete(ipsToBeRemoved, ipp)
 	}
 	ns.mu.Unlock()
@@ -391,7 +387,7 @@ func (ns *Impl) UpdateNetstackIPs(nm *netmap.NetworkMap) {
 		pa := tcpip.ProtocolAddress{
 			AddressWithPrefix: ipp,
 		}
-		if ipp.Address.To4() == "" {
+		if ipp.Address.Unspecified() || ipp.Address.Len() == 16 {
 			pa.Protocol = ipv6.ProtocolNumber
 		} else {
 			pa.Protocol = ipv4.ProtocolNumber
@@ -447,7 +443,7 @@ func (ns *Impl) handleLocalPackets(p *packet.Parsed, t *tstun.Wrapper) filter.Re
 	}
 
 	packetBuf := stack.NewPacketBuffer(stack.PacketBufferOptions{
-		Payload: bufferv2.MakeWithData(bytes.Clone(p.Buffer())),
+		Payload: buffer.MakeWithData(bytes.Clone(p.Buffer())),
 	})
 	ns.linkEP.InjectInbound(pn, packetBuf)
 	packetBuf.DecRef()
@@ -457,7 +453,7 @@ func (ns *Impl) handleLocalPackets(p *packet.Parsed, t *tstun.Wrapper) filter.Re
 func (ns *Impl) DialContextTCP(ctx context.Context, ipp netip.AddrPort) (*gonet.TCPConn, error) {
 	remoteAddress := tcpip.FullAddress{
 		NIC:  nicID,
-		Addr: tcpip.Address(ipp.Addr().AsSlice()),
+		Addr: tcpip.AddrFromSlice(ipp.Addr().AsSlice()),
 		Port: ipp.Port(),
 	}
 	var ipType tcpip.NetworkProtocolNumber
@@ -473,7 +469,7 @@ func (ns *Impl) DialContextTCP(ctx context.Context, ipp netip.AddrPort) (*gonet.
 func (ns *Impl) DialContextUDP(ctx context.Context, ipp netip.AddrPort) (*gonet.UDPConn, error) {
 	remoteAddress := &tcpip.FullAddress{
 		NIC:  nicID,
-		Addr: tcpip.Address(ipp.Addr().AsSlice()),
+		Addr: tcpip.AddrFromSlice(ipp.Addr().AsSlice()),
 		Port: ipp.Port(),
 	}
 	var ipType tcpip.NetworkProtocolNumber
@@ -739,7 +735,7 @@ func (ns *Impl) injectInbound(p *packet.Parsed, t *tstun.Wrapper) filter.Respons
 		ns.logf("[v2] packet in (from %v): % x", p.Src, p.Buffer())
 	}
 	packetBuf := stack.NewPacketBuffer(stack.PacketBufferOptions{
-		Payload: bufferv2.MakeWithData(bytes.Clone(p.Buffer())),
+		Payload: buffer.MakeWithData(bytes.Clone(p.Buffer())),
 	})
 	ns.linkEP.InjectInbound(pn, packetBuf)
 	packetBuf.DecRef()
@@ -807,12 +803,13 @@ func (ns *Impl) shouldHandlePing(p *packet.Parsed) (_ netip.Addr, ok bool) {
 }
 
 func netaddrIPFromNetstackIP(s tcpip.Address) netip.Addr {
-	switch len(s) {
+	switch s.Len() {
 	case 4:
+		s := s.As4()
 		return netaddr.IPv4(s[0], s[1], s[2], s[3])
 	case 16:
 		var a [16]byte
-		copy(a[:], s)
+		copy(a[:], s.AsSlice())
 		return netip.AddrFrom16(a).Unmap()
 	}
 	return netip.Addr{}
@@ -1235,8 +1232,8 @@ func stringifyTEI(tei stack.TransportEndpointID) string {
 
 func ipPortOfNetstackAddr(a tcpip.Address, port uint16) (ipp netip.AddrPort, ok bool) {
 	var a16 [16]byte
-	copy(a16[:], a)
-	switch len(a) {
+	copy(a16[:], a.AsSlice())
+	switch a.Len() {
 	case 4:
 		return netip.AddrPortFrom(
 			netip.AddrFrom4(*(*[4]byte)(a16[:4])).Unmap(),