2 files changed, 5 insertions, 5 deletions
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/user/lookup_windows.go b/vendor/github.com/opencontainers/runc/libcontainer/user/lookup_windows.go
index 65cd40e92..f19333e61 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/user/lookup_windows.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/user/lookup_windows.go
@@ -3,8 +3,8 @@
 package user
 
 import (
-	"fmt"
 	"os/user"
+	"strconv"
 )
 
 func lookupUser(username string) (User, error) {
@@ -16,7 +16,7 @@ func lookupUser(username string) (User, error) {
 }
 
 func lookupUid(uid int) (User, error) {
-	u, err := user.LookupId(fmt.Sprintf("%d", uid))
+	u, err := user.LookupId(strconv.Itoa(uid))
 	if err != nil {
 		return User{}, err
 	}
@@ -32,7 +32,7 @@ func lookupGroup(groupname string) (Group, error) {
 }
 
 func lookupGid(gid int) (Group, error) {
-	g, err := user.LookupGroupId(fmt.Sprintf("%d", gid))
+	g, err := user.LookupGroupId(strconv.Itoa(gid))
 	if err != nil {
 		return Group{}, err
 	}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/user/user.go b/vendor/github.com/opencontainers/runc/libcontainer/user/user.go
index 4b89dad73..a533bf5e6 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/user/user.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/user/user.go
@@ -466,7 +466,7 @@ func GetAdditionalGroups(additionalGroups []string, group io.Reader) ([]int, err
 		// we asked for a group but didn't find it. let's check to see
 		// if we wanted a numeric group
 		if !found {
-			gid, err := strconv.Atoi(ag)
+			gid, err := strconv.ParseInt(ag, 10, 64)
 			if err != nil {
 				return nil, fmt.Errorf("Unable to find group %s", ag)
 			}
@@ -474,7 +474,7 @@ func GetAdditionalGroups(additionalGroups []string, group io.Reader) ([]int, err
 			if gid < minId || gid > maxId {
 				return nil, ErrRange
 			}
-			gidMap[gid] = struct{}{}
+			gidMap[int(gid)] = struct{}{}
 		}
 	}
 	gids := []int{}