Update vendoring. (#1257)

* Update vendoring.

Update vendoring to latest upstream.

Signed-off-by: Ben Kochie <superq@gmail.com>

vendor/github.com/mdlayher/netlink/.travis.yml

@@ -6,7 +6,7 @@ os:
   - osx
 sudo: required
 before_install:
-  - go get github.com/golang/lint/golint
+  - go get golang.org/x/lint/golint
   - go get honnef.co/go/tools/cmd/staticcheck
   - go get -d ./...
 script:

vendor/github.com/mdlayher/netlink/attribute.go

@@ -49,7 +49,7 @@ func (a *Attribute) unmarshal(b []byte) error {
 	a.Length = nlenc.Uint16(b[0:2])
 	a.Type = nlenc.Uint16(b[2:4])
 
-	if nlaAlign(int(a.Length)) > len(b) {
+	if int(a.Length) > len(b) {
 		return errInvalidAttribute
 	}
 
@@ -107,7 +107,7 @@ func UnmarshalAttributes(b []byte) ([]Attribute, error) {
 	var attrs []Attribute
 	var i int
 	for {
-		if len(b[i:]) == 0 {
+		if i > len(b) || len(b[i:]) == 0 {
 			break
 		}
 

vendor/github.com/mdlayher/netlink/conn_linux.go

@@ -165,6 +165,8 @@ func (c *conn) Receive() ([]Message, error) {
 		return nil, errInvalidFamily
 	}
 
+	n = nlmsgAlign(n)
+
 	raw, err := syscall.ParseNetlinkMessage(b[:n])
 	if err != nil {
 		return nil, err