[PATCH] selftests/harness: Actually report SKIP for signal tests

From: Kees Cook
Date: Mon Aug 07 2023 - 13:48:03 EST


Tests that were expecting a signal were not correctly checking for a
SKIP condition. Move the check before the signal checking when
processing test result.

Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Will Drewry <wad@xxxxxxxxxxxx>
Cc: linux-kselftest@xxxxxxxxxxxxxxx
Fixes: 9847d24af95c ("selftests/harness: Refactor XFAIL into SKIP")
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
tools/testing/selftests/kselftest_harness.h | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 5fd49ad0c696..e05ac8261046 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -938,7 +938,11 @@ void __wait_for_test(struct __test_metadata *t)
fprintf(TH_LOG_STREAM,
"# %s: Test terminated by timeout\n", t->name);
} else if (WIFEXITED(status)) {
- if (t->termsig != -1) {
+ if (WEXITSTATUS(status) == 255) {
+ /* SKIP */
+ t->passed = 1;
+ t->skip = 1;
+ } else if (t->termsig != -1) {
t->passed = 0;
fprintf(TH_LOG_STREAM,
"# %s: Test exited normally instead of by signal (code: %d)\n",
@@ -950,11 +954,6 @@ void __wait_for_test(struct __test_metadata *t)
case 0:
t->passed = 1;
break;
- /* SKIP */
- case 255:
- t->passed = 1;
- t->skip = 1;
- break;
/* Other failure, assume step report. */
default:
t->passed = 0;
--
2.34.1