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selftests/sysctl: add sysctl macro test

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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: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Tonghao Zhang 2022-05-01 11:55:24 +08:00 committed by Paolo Abeni
parent 4c7f24f857
commit 57b19468b3
2 changed files with 55 additions and 0 deletions
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32
lib/test_sysctl.c
View File

@ -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;

23
tools/testing/selftests/sysctl/sysctl.sh
View File

@ -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()