From 2a70c174953624527a34b0c7009c769b04f54111 Mon Sep 17 00:00:00 2001
From: jruoho <jruoho@NetBSD.org>
Date: Thu, 25 Jun 2020 16:16:48 +0000
Subject: [PATCH] Add a test case for PR kern/52744, which no longer appears to
 be present.

---
 distrib/sets/lists/tests/mi     |  3 +-
 tests/kernel/Makefile           |  3 +-
 tests/kernel/t_nointerpreter.sh | 59 +++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+), 2 deletions(-)
 create mode 100644 tests/kernel/t_nointerpreter.sh

diff --git a/distrib/sets/lists/tests/mi b/distrib/sets/lists/tests/mi
index a46322cb09e5..cb37ac8b859d 100644
--- a/distrib/sets/lists/tests/mi
+++ b/distrib/sets/lists/tests/mi
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.851 2020/06/25 15:41:40 jruoho Exp $
+# $NetBSD: mi,v 1.852 2020/06/25 16:16:49 jruoho Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -2200,6 +2200,7 @@
 ./usr/tests/kernel/t_lwpctl			tests-obsolete		obsolete
 ./usr/tests/kernel/t_mkdir			tests-obsolete		obsolete
 ./usr/tests/kernel/t_mqueue			tests-kernel-tests	compattestfile,atf
+./usr/tests/kernel/t_nointerpreter		tests-kernel-tests	atf
 ./usr/tests/kernel/t_origin			tests-kernel-tests	compattestfile,atf
 ./usr/tests/kernel/t_pipe			tests-obsolete		obsolete
 ./usr/tests/kernel/t_poll3w			tests-obsolete		obsolete
diff --git a/tests/kernel/Makefile b/tests/kernel/Makefile
index 09b6884f0148..4c7788da64c4 100644
--- a/tests/kernel/Makefile
+++ b/tests/kernel/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.66 2020/03/01 18:08:15 christos Exp $
+# $NetBSD: Makefile,v 1.67 2020/06/25 16:16:48 jruoho Exp $
 
 NOMAN=		# defined
 
@@ -26,6 +26,7 @@ TESTS_SH+=	t_umountstress
 TESTS_SH+=	t_ps_strings
 TESTS_SH+=	t_trapsignal
 TESTS_SH+=	t_interp
+TESTS_SH+=	t_nointerpreter
 TESTS_SH+=	t_origin
 TESTS_SH+=	t_procpath
 TESTS_SH+=	t_fexecve
diff --git a/tests/kernel/t_nointerpreter.sh b/tests/kernel/t_nointerpreter.sh
new file mode 100644
index 000000000000..76ea45cea25a
--- /dev/null
+++ b/tests/kernel/t_nointerpreter.sh
@@ -0,0 +1,59 @@
+# $NetBSD: t_nointerpreter.sh,v 1.1 2020/06/25 16:16:48 jruoho Exp $
+#
+# Copyright (c) 2020 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Jukka Ruohonen.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+tmp="/tmp/nointerpreter"
+
+atf_test_case nointerpreter cleanup
+nointerpreter_head() {
+	atf_set "descr" "Check that executing shell scripts without a " \
+		"specified interpreter does not spam (PR kern/52744)"
+}
+
+nointerpreter_body() {
+
+	echo "echo hello world" > $tmp
+	chmod u+x $tmp
+	. $tmp
+	spam=$(dmesg | grep "check exec failed")
+
+	if [ ! -z $spam ]; then
+		atf_fail "Kernel spams harmless diagnostics"
+	fi
+}
+
+nointerpreter_cleanup() {
+
+	if [ -f $tmp ]; then
+		rm $tmp
+	fi
+}
+
+atf_init_test_cases() {
+	atf_add_test_case nointerpreter
+}