3 files changed, 7 insertions, 5 deletions
diff --git a/pkg/sentry/fsimpl/sys/BUILD b/pkg/sentry/fsimpl/sys/BUILD
index a741e2bb6..1b548ccd4 100644
--- a/pkg/sentry/fsimpl/sys/BUILD
+++ b/pkg/sentry/fsimpl/sys/BUILD
@@ -29,6 +29,6 @@ go_test(
         "//pkg/sentry/kernel",
         "//pkg/sentry/kernel/auth",
         "//pkg/sentry/vfs",
-        "@com_github_google_go-cmp//cmp:go_default_library",
+        "@com_github_google_go_cmp//cmp:go_default_library",
     ],
 )
diff --git a/pkg/sentry/fsimpl/sys/sys.go b/pkg/sentry/fsimpl/sys/sys.go
index 0af373604..01ce30a4d 100644
--- a/pkg/sentry/fsimpl/sys/sys.go
+++ b/pkg/sentry/fsimpl/sys/sys.go
@@ -98,8 +98,10 @@ type dir struct {
 	kernfs.InodeNoDynamicLookup
 	kernfs.InodeNotSymlink
 	kernfs.InodeDirectoryNoNewChildren
-
 	kernfs.OrderedChildren
+
+	locks vfs.FileLocks
+
 	dentry kernfs.Dentry
 }
 
@@ -121,7 +123,7 @@ func (*dir) SetStat(context.Context, *vfs.Filesystem, *auth.Credentials, vfs.Set
 
 // Open implements kernfs.Inode.Open.
 func (d *dir) Open(ctx context.Context, rp *vfs.ResolvingPath, vfsd *vfs.Dentry, opts vfs.OpenOptions) (*vfs.FileDescription, error) {
-	fd, err := kernfs.NewGenericDirectoryFD(rp.Mount(), vfsd, &d.OrderedChildren, &opts)
+	fd, err := kernfs.NewGenericDirectoryFD(rp.Mount(), vfsd, &d.OrderedChildren, &d.locks, &opts)
 	if err != nil {
 		return nil, err
 	}
@@ -136,7 +138,7 @@ type cpuFile struct {
 
 // Generate implements vfs.DynamicBytesSource.Generate.
 func (c *cpuFile) Generate(ctx context.Context, buf *bytes.Buffer) error {
-	fmt.Fprintf(buf, "0-%d", c.maxCores-1)
+	fmt.Fprintf(buf, "0-%d\n", c.maxCores-1)
 	return nil
 }
 
diff --git a/pkg/sentry/fsimpl/sys/sys_test.go b/pkg/sentry/fsimpl/sys/sys_test.go
index 4b3602d47..242d5fd12 100644
--- a/pkg/sentry/fsimpl/sys/sys_test.go
+++ b/pkg/sentry/fsimpl/sys/sys_test.go
@@ -51,7 +51,7 @@ func TestReadCPUFile(t *testing.T) {
 	k := kernel.KernelFromContext(s.Ctx)
 	maxCPUCores := k.ApplicationCores()
 
-	expected := fmt.Sprintf("0-%d", maxCPUCores-1)
+	expected := fmt.Sprintf("0-%d\n", maxCPUCores-1)
 
 	for _, fname := range []string{"online", "possible", "present"} {
 		pop := s.PathOpAtRoot(fmt.Sprintf("devices/system/cpu/%s", fname))