runsc: fix panic for `runsc wait` on stopped container.

PiperOrigin-RevId: 203016694
Change-Id: Ic51ef754aa6d7d1b3b35491aff96a63d7992e122

1 files changed, 6 insertions, 0 deletions

diff --git a/runsc/container/container_test.go b/runsc/container/container_test.go
index a6bb39c5d..d2f3cc14a 100644
--- a/runsc/container/container_test.go
+++ b/runsc/container/container_test.go
@@ -1211,6 +1211,9 @@ func TestMultiContainerWait(t *testing.T) {
 			} else if es := ws.ExitStatus(); es != 0 {
 				t.Errorf("process %q exited with non-zero status %d", strings.Join(containers[1].Spec.Process.Args, " "), es)
 			}
+			if _, err := containers[1].Wait(); err == nil {
+				t.Errorf("wait for stopped process %q should fail", strings.Join(containers[1].Spec.Process.Args, " "))
+			}
 
 			// After Wait returns, ensure that the root container is running and
 			// the child has finished.
@@ -1231,6 +1234,9 @@ func TestMultiContainerWait(t *testing.T) {
 			} else if es := ws.ExitStatus(); es != 0 {
 				t.Errorf("PID %d exited with non-zero status %d", pid, es)
 			}
+			if _, err := containers[0].WaitPID(pid); err == nil {
+				t.Errorf("wait for stopped PID %d should fail", pid)
+			}
 		}()
 	}