[PATCH] selftests/mm: on-fault-limit: run test without root privileges otherwise skip

From: Muhammad Usama Anjum
Date: Thu Feb 01 2024 - 02:13:39 EST


The mmap() respects rlimit only for normal users. This test should be
run as normal user, without root privileges.

Fixes: b6221771d468 ("selftests/mm: run_vmtests: remove sudo and conform to tap")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
---
tools/testing/selftests/mm/on-fault-limit.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/mm/on-fault-limit.c b/tools/testing/selftests/mm/on-fault-limit.c
index 0ea98ffab3589..431c1277d83a1 100644
--- a/tools/testing/selftests/mm/on-fault-limit.c
+++ b/tools/testing/selftests/mm/on-fault-limit.c
@@ -21,7 +21,7 @@ static void test_limit(void)
map = mmap(NULL, 2 * lims.rlim_max, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE, -1, 0);

- ksft_test_result(map == MAP_FAILED, "Failed mmap\n");
+ ksft_test_result(map == MAP_FAILED, "The map failed respecting mlock limits\n");

if (map != MAP_FAILED)
munmap(map, 2 * lims.rlim_max);
@@ -33,8 +33,8 @@ int main(int argc, char **argv)
ksft_print_header();
ksft_set_plan(1);

- if (getuid())
- ksft_test_result_skip("Require root privileges to run\n");
+ if (!getuid())
+ ksft_test_result_skip("The test must be run from a normal user\n");
else
test_limit();

--
2.42.0