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authorTonghao Zhang <xiangxia.m.yue@gmail.com>2022-05-01 11:55:24 +0800
committerPaolo Abeni <pabeni@redhat.com>2022-05-03 10:15:07 +0200
commit57b19468b369c5f70068540d698ea2a5f4598945 (patch)
tree4dc2cd3fb8dd32a9e08693136af0ed819b445e42
parent4c7f24f857c7cd0381dd92495db476066d1c6aec (diff)
downloadlinux-57b19468b369c5f70068540d698ea2a5f4598945.tar.bz2
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: Tonghao Zhang <xiangxia.m.yue@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--lib/test_sysctl.c32
-rwxr-xr-xtools/testing/selftests/sysctl/sysctl.sh23
2 files changed, 55 insertions, 0 deletions
diff --git a/lib/test_sysctl.c b/lib/test_sysctl.c
index a5a3d6c27e1f..9a564971f539 100644
--- a/lib/test_sysctl.c
+++ b/lib/test_sysctl.c
@@ -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;
@@ -96,6 +97,13 @@ static struct ctl_table test_table[] = {
.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,
.maxlen = sizeof(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;
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
index 19515dcb7d04..f50778a3d744 100755
--- a/tools/testing/selftests/sysctl/sysctl.sh
+++ b/tools/testing/selftests/sysctl/sysctl.sh
@@ -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()