--- zzzz-none-000/linux-3.10.107/net/sunrpc/svcauth.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/net/sunrpc/svcauth.c	2021-02-04 17:41:59.000000000 +0000
@@ -54,6 +54,8 @@
 	}
 	spin_unlock(&authtab_lock);
 
+	rqstp->rq_auth_slack = 0;
+
 	rqstp->rq_authop = aops;
 	return aops->accept(rqstp, authp);
 }