diff --git a/kernel/notifier.c b/kernel/notifier.c
index ae9fc7cc360ebea6088db4ae0206e452d856214b..980e4330fb596d8acc54eee45afcd372e8e9e82e 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -544,6 +544,8 @@ int notrace notify_die(enum die_val val, const char *str,
 		.signr	= sig,
 
 	};
+	rcu_lockdep_assert(rcu_is_watching(),
+			   "notify_die called but RCU thinks we're quiescent");
 	return atomic_notifier_call_chain(&die_chain, val, &args);
 }
 NOKPROBE_SYMBOL(notify_die);