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Message-Id: <20230807174753.never.547-kees@kernel.org>
Date:   Mon,  7 Aug 2023 10:47:53 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Shuah Khan <shuah@...nel.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: [PATCH] selftests/harness: Actually report SKIP for signal tests

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@...nel.org>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Will Drewry <wad@...omium.org>
Cc: linux-kselftest@...r.kernel.org
Fixes: 9847d24af95c ("selftests/harness: Refactor XFAIL into SKIP")
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 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

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