diff --git a/pkg/sentry/fsimpl/proc/tasks_sys.go b/pkg/sentry/fsimpl/proc/tasks_sys.go
index 3a2b64c7c..521b0f180 100644
--- a/pkg/sentry/fsimpl/proc/tasks_sys.go
+++ b/pkg/sentry/fsimpl/proc/tasks_sys.go
@@ -52,6 +52,7 @@ func (fs *filesystem) newSysDir(ctx context.Context, root *auth.Credentials, k *
 			"hostname":     fs.newInode(ctx, root, 0444, &hostnameData{}),
 			"overflowgid":  fs.newInode(ctx, root, 0444, newStaticFile(fmt.Sprintf("%d\n", auth.OverflowGID))),
 			"overflowuid":  fs.newInode(ctx, root, 0444, newStaticFile(fmt.Sprintf("%d\n", auth.OverflowUID))),
+			"pid_max":      fs.newInode(ctx, root, 0644, newStaticFile(fmt.Sprintf("%d\n", kernel.TasksLimit))),
 			"random": fs.newStaticDir(ctx, root, map[string]kernfs.Inode{
 				"boot_id": fs.newInode(ctx, root, 0444, newStaticFile(randUUID())),
 			}),