linux-hardening - [PATCH v2 3/7] kunit: Fix timeout message

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Date: Fri,  1 Mar 2024 20:40:33 +0100
From: Mickaël Salaün <mic@...ikod.net>
To: Brendan Higgins <brendanhiggins@...gle.com>,
	David Gow <davidgow@...gle.com>,
	Kees Cook <keescook@...omium.org>,
	Rae Moar <rmoar@...gle.com>,
	Shuah Khan <skhan@...uxfoundation.org>
Cc: Mickaël Salaün <mic@...ikod.net>,
	Alan Maguire <alan.maguire@...cle.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H . Peter Anvin" <hpa@...or.com>,
	Ingo Molnar <mingo@...hat.com>,
	James Morris <jamorris@...ux.microsoft.com>,
	Luis Chamberlain <mcgrof@...nel.org>,
	"Madhavan T . Venkataraman" <madvenka@...ux.microsoft.com>,
	Marco Pagani <marpagan@...hat.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Sean Christopherson <seanjc@...gle.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Thara Gopinath <tgopinath@...rosoft.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vitaly Kuznetsov <vkuznets@...hat.com>,
	Wanpeng Li <wanpengli@...cent.com>,
	Zahra Tarkhani <ztarkhani@...rosoft.com>,
	kvm@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	linux-hyperv@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-um@...ts.infradead.org,
	x86@...nel.org
Subject: [PATCH v2 3/7] kunit: Fix timeout message

The exit code is always checked, so let's properly handle the -ETIMEDOUT
error code.

Cc: Brendan Higgins <brendanhiggins@...gle.com>
Cc: David Gow <davidgow@...gle.com>
Cc: Rae Moar <rmoar@...gle.com>
Cc: Shuah Khan <skhan@...uxfoundation.org>
Reviewed-by: Kees Cook <keescook@...omium.org>
Signed-off-by: Mickaël Salaün <mic@...ikod.net>
Link: https://lore.kernel.org/r/20240301194037.532117-4-mic@digikod.net
---

Changes since v1:
* Added Kees's Reviewed-by.
---
 lib/kunit/try-catch.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/kunit/try-catch.c b/lib/kunit/try-catch.c
index 73f5007f20ea..cab8b24b5d5a 100644
--- a/lib/kunit/try-catch.c
+++ b/lib/kunit/try-catch.c
@@ -79,7 +79,6 @@ void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context)
 	time_remaining = wait_for_completion_timeout(&try_completion,
 						     kunit_test_timeout());
 	if (time_remaining == 0) {
-		kunit_err(test, "try timed out\n");
 		try_catch->try_result = -ETIMEDOUT;
 		kthread_stop(task_struct);
 	}
@@ -94,6 +93,8 @@ void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context)
 		try_catch->try_result = 0;
 	else if (exit_code == -EINTR)
 		kunit_err(test, "wake_up_process() was never called\n");
+	else if (exit_code == -ETIMEDOUT)
+		kunit_err(test, "try timed out\n");
 	else if (exit_code)
 		kunit_err(test, "Unknown error: %d\n", exit_code);
 
-- 
2.44.0