Commit 57b19468 authored by Tonghao Zhang's avatar Tonghao Zhang Committed by Paolo Abeni
Browse files

selftests/sysctl: add sysctl macro test 



Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: David Ahern <dsahern@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Julian Anastasov <ja@ssi.bg>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Lorenz Bauer <lmb@cloudflare.com>
Cc: Akhmat Karakotov <hmukos@yandex-team.ru>
Signed-off-by: default avatarTonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 4c7f24f8

lib/test_sysctl.c

+32 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 


static int i_zero;

static int i_one_hundred = 100;

static int match_int_ok = 1;



struct test_sysctl_data {

	int int_0001;
@@ -95,6 +96,13 @@ static struct ctl_table test_table[] = { 
		.mode		= 0644,

		.proc_handler	= proc_dointvec,

	},

	{

		.procname	= "match_int",

		.data		= &match_int_ok,

		.maxlen		= sizeof(match_int_ok),

		.mode		= 0444,

		.proc_handler	= proc_dointvec,

	},

	{

		.procname	= "boot_int",

		.data		= &test_data.boot_int,
@@ -132,6 +140,30 @@ static struct ctl_table_header *test_sysctl_header; 


static int __init test_sysctl_init(void)

{

	int i;



	struct {

		int defined;

		int wanted;

	} match_int[] = {

		{.defined = *(int *)SYSCTL_ZERO,	.wanted = 0},

		{.defined = *(int *)SYSCTL_ONE,		.wanted = 1},

		{.defined = *(int *)SYSCTL_TWO,		.wanted = 2},

		{.defined = *(int *)SYSCTL_THREE,	.wanted = 3},

		{.defined = *(int *)SYSCTL_FOUR,	.wanted = 4},

		{.defined = *(int *)SYSCTL_ONE_HUNDRED, .wanted = 100},

		{.defined = *(int *)SYSCTL_TWO_HUNDRED,	.wanted = 200},

		{.defined = *(int *)SYSCTL_ONE_THOUSAND, .wanted = 1000},

		{.defined = *(int *)SYSCTL_THREE_THOUSAND, .wanted = 3000},

		{.defined = *(int *)SYSCTL_INT_MAX,	.wanted = INT_MAX},

		{.defined = *(int *)SYSCTL_MAXOLDUID,	.wanted = 65535},

		{.defined = *(int *)SYSCTL_NEG_ONE,	.wanted = -1},

	};



	for (i = 0; i < ARRAY_SIZE(match_int); i++)

		if (match_int[i].defined != match_int[i].wanted)

			match_int_ok = 0;



	test_data.bitmap_0001 = kzalloc(SYSCTL_TEST_BITMAP_SIZE/8, GFP_KERNEL);

	if (!test_data.bitmap_0001)

		return -ENOMEM;

tools/testing/selftests/sysctl/sysctl.sh

+23 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ ALL_TESTS="$ALL_TESTS 0004:1:1:uint_0001" 
ALL_TESTS="$ALL_TESTS 0005:3:1:int_0003"

ALL_TESTS="$ALL_TESTS 0006:50:1:bitmap_0001"

ALL_TESTS="$ALL_TESTS 0007:1:1:boot_int"

ALL_TESTS="$ALL_TESTS 0008:1:1:match_int"



function allow_user_defaults()

{
@@ -785,6 +786,27 @@ sysctl_test_0007() 
	return $ksft_skip

}



sysctl_test_0008()

{

	TARGET="${SYSCTL}/match_int"

	if [ ! -f $TARGET ]; then

		echo "Skipping test for $TARGET as it is not present ..."

		return $ksft_skip

	fi



	echo -n "Testing if $TARGET is matched in kernel"

	ORIG_VALUE=$(cat "${TARGET}")



	if [ $ORIG_VALUE -ne 1 ]; then

		echo "TEST FAILED"

		rc=1

		test_rc

	fi



	echo "ok"

	return 0

}



list_tests()

{

	echo "Test ID list:"
@@ -800,6 +822,7 @@ list_tests() 
	echo "0005 x $(get_test_count 0005) - tests proc_douintvec() array"

	echo "0006 x $(get_test_count 0006) - tests proc_do_large_bitmap()"

	echo "0007 x $(get_test_count 0007) - tests setting sysctl from kernel boot param"

	echo "0008 x $(get_test_count 0008) - tests sysctl macro values match"

}



usage()