1 files changed, 16 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/proc/tasks_files.go b/pkg/sentry/fsimpl/proc/tasks_files.go
index f0029cda6..e1a8b4409 100644
--- a/pkg/sentry/fsimpl/proc/tasks_files.go
+++ b/pkg/sentry/fsimpl/proc/tasks_files.go
@@ -384,3 +384,19 @@ func (d *filesystemsData) Generate(ctx context.Context, buf *bytes.Buffer) error
 	k.VFS().GenerateProcFilesystems(buf)
 	return nil
 }
+
+// cgroupsData backs /proc/cgroups.
+//
+// +stateify savable
+type cgroupsData struct {
+	dynamicBytesFileSetAttr
+}
+
+var _ dynamicInode = (*cgroupsData)(nil)
+
+// Generate implements vfs.DynamicBytesSource.Generate.
+func (*cgroupsData) Generate(ctx context.Context, buf *bytes.Buffer) error {
+	r := kernel.KernelFromContext(ctx).CgroupRegistry()
+	r.GenerateProcCgroups(buf)
+	return nil
+}