[PATCH v2 14/14] kasan: don't run tests when KASAN is not enabled

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From: Andrey Konovalov <andreyknvl@google.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Alexander Potapenko <glider@google.com>,
	Marco Elver <elver@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Will Deacon <will.deacon@arm.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Peter Collingbourne <pcc@google.com>,
	Evgenii Stepanov <eugenis@google.com>,
	Branislav Rankov <Branislav.Rankov@arm.com>,
	Kevin Brodsky <kevin.brodsky@arm.com>,
	kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH v2 14/14] kasan: don't run tests when KASAN is not enabled
Date: Wed, 13 Jan 2021 17:21:41 +0100	[thread overview]
Message-ID: <654bdeedde54e9e8d5d6250469966b0bdf288010.1610554432.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1610554432.git.andreyknvl@google.com>

Don't run KASAN tests when it's disabled with kasan.mode=off to avoid
corrupting kernel memory.

Link: https://linux-review.googlesource.com/id/I6447af436a69a94bfc35477f6bf4e2122948355e
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
 lib/test_kasan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index d9f9a93922d5..0c8279d9907e 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -47,6 +47,9 @@ static bool multishot;
  */
 static int kasan_test_init(struct kunit *test)
 {
+	if (!kasan_enabled())
+		return -1;
+
 	multishot = kasan_save_enable_multi_shot();
 	hw_set_tagging_report_once(false);
 	return 0;
-- 
2.30.0.284.gd98b1dd5eaa7-goog

WARNING: multiple messages have this Message-ID (diff)

From: Andrey Konovalov <andreyknvl@google.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	 Dmitry Vyukov <dvyukov@google.com>,
	Alexander Potapenko <glider@google.com>,
	Marco Elver <elver@google.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>,
	Andrey Konovalov <andreyknvl@google.com>,
	Kevin Brodsky <kevin.brodsky@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
	linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Peter Collingbourne <pcc@google.com>,
	Evgenii Stepanov <eugenis@google.com>
Subject: [PATCH v2 14/14] kasan: don't run tests when KASAN is not enabled
Date: Wed, 13 Jan 2021 17:21:41 +0100	[thread overview]
Message-ID: <654bdeedde54e9e8d5d6250469966b0bdf288010.1610554432.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1610554432.git.andreyknvl@google.com>

Don't run KASAN tests when it's disabled with kasan.mode=off to avoid
corrupting kernel memory.

Link: https://linux-review.googlesource.com/id/I6447af436a69a94bfc35477f6bf4e2122948355e
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
 lib/test_kasan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index d9f9a93922d5..0c8279d9907e 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -47,6 +47,9 @@ static bool multishot;
  */
 static int kasan_test_init(struct kunit *test)
 {
+	if (!kasan_enabled())
+		return -1;
+
 	multishot = kasan_save_enable_multi_shot();
 	hw_set_tagging_report_once(false);
 	return 0;
-- 
2.30.0.284.gd98b1dd5eaa7-goog


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next prev parent reply	other threads:[~2021-01-13 16:23 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-13 16:21 [PATCH v2 00/14] kasan: HW_TAGS tests support and fixes Andrey Konovalov
2021-01-13 16:21 ` Andrey Konovalov
2021-01-13 16:21 ` Andrey Konovalov
2021-01-13 16:21 ` [PATCH v2 01/14] kasan: prefix global functions with kasan_ Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21 ` [PATCH v2 02/14] kasan: clarify HW_TAGS impact on TBI Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21 ` [PATCH v2 03/14] kasan: clean up comments in tests Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:24   ` Marco Elver
2021-01-13 16:24     ` Marco Elver
2021-01-13 16:24     ` Marco Elver
2021-01-13 16:21 ` [PATCH v2 04/14] kasan: add macros to simplify checking test constraints Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:25   ` Marco Elver
2021-01-13 16:25     ` Marco Elver
2021-01-13 16:25     ` Marco Elver
2021-01-13 16:45     ` Alexander Potapenko
2021-01-13 16:45       ` Alexander Potapenko
2021-01-13 16:45       ` Alexander Potapenko
2021-01-13 16:21 ` [PATCH v2 05/14] kasan: add match-all tag tests Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:26   ` Marco Elver
2021-01-13 16:26     ` Marco Elver
2021-01-13 16:26     ` Marco Elver
2021-01-13 16:21 ` [PATCH v2 06/14] kasan, arm64: allow using KUnit tests with HW_TAGS mode Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21 ` [PATCH v2 07/14] kasan: rename CONFIG_TEST_KASAN_MODULE Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21 ` [PATCH v2 08/14] kasan: add compiler barriers to KUNIT_EXPECT_KASAN_FAIL Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:28   ` Marco Elver
2021-01-13 16:28     ` Marco Elver
2021-01-13 16:28     ` Marco Elver
2021-01-13 16:21 ` [PATCH v2 09/14] kasan: adapt kmalloc_uaf2 test to HW_TAGS mode Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:31   ` Marco Elver
2021-01-13 16:31     ` Marco Elver
2021-01-13 16:31     ` Marco Elver
2021-01-13 16:32   ` Alexander Potapenko
2021-01-13 16:32     ` Alexander Potapenko
2021-01-13 16:32     ` Alexander Potapenko
2021-01-13 16:21 ` [PATCH v2 10/14] kasan: fix memory corruption in kasan_bitops_tags test Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21 ` [PATCH v2 11/14] kasan: fix bug detection via ksize for HW_TAGS mode Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:54   ` Marco Elver
2021-01-13 16:54     ` Marco Elver
2021-01-13 16:54     ` Marco Elver
2021-01-14 17:58     ` Andrey Konovalov
2021-01-14 17:58       ` Andrey Konovalov
2021-01-14 17:58       ` Andrey Konovalov
2021-01-14 18:01     ` Andrey Konovalov
2021-01-14 18:01       ` Andrey Konovalov
2021-01-14 18:01       ` Andrey Konovalov
2021-01-14 19:56       ` Marco Elver
2021-01-14 19:56         ` Marco Elver
2021-01-14 19:56         ` Marco Elver
2021-01-13 16:21 ` [PATCH v2 12/14] kasan: add proper page allocator tests Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21 ` [PATCH v2 13/14] kasan: add a test for kmem_cache_alloc/free_bulk Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:37   ` Marco Elver
2021-01-13 16:37     ` Marco Elver
2021-01-13 16:37     ` Marco Elver
2021-01-14 15:32     ` Andrey Konovalov
2021-01-14 15:32       ` Andrey Konovalov
2021-01-14 15:32       ` Andrey Konovalov
2021-01-13 16:21 ` Andrey Konovalov [this message]
2021-01-13 16:21   ` [PATCH v2 14/14] kasan: don't run tests when KASAN is not enabled Andrey Konovalov
2021-01-13 16:21   ` Andrey Konovalov
2021-01-13 16:39   ` Marco Elver
2021-01-13 16:39     ` Marco Elver
2021-01-13 16:39     ` Marco Elver
2021-01-14 15:32     ` Andrey Konovalov
2021-01-14 15:32       ` Andrey Konovalov
2021-01-14 15:32       ` Andrey Konovalov

find likely ancestor, descendant, or conflicting patches for this message:
dfblob:d9f9a93922d dfblob:d9f9a93922d dfblob:0c8279d9907
dfblob:0c8279d9907
	(help)

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