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Date: Thu, 14 Jan 2021 20:36:31 +0100 From: Andrey Konovalov <andreyknvl@...gle.com> To: Andrew Morton <akpm@...ux-foundation.org>, Catalin Marinas <catalin.marinas@....com>, Vincenzo Frascino <vincenzo.frascino@....com>, Dmitry Vyukov <dvyukov@...gle.com>, Alexander Potapenko <glider@...gle.com>, Marco Elver <elver@...gle.com> Cc: Will Deacon <will.deacon@....com>, Andrey Ryabinin <aryabinin@...tuozzo.com>, Peter Collingbourne <pcc@...gle.com>, Evgenii Stepanov <eugenis@...gle.com>, Branislav Rankov <Branislav.Rankov@....com>, Kevin Brodsky <kevin.brodsky@....com>, kasan-dev@...glegroups.com, linux-arm-kernel@...ts.infradead.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org, Andrey Konovalov <andreyknvl@...gle.com> Subject: [PATCH v3 15/15] kasan: don't run tests when KASAN is not enabled 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@...gle.com> --- lib/test_kasan.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/test_kasan.c b/lib/test_kasan.c index a96376aa7293..6238b56127f8 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -47,6 +47,11 @@ static bool multishot; */ static int kasan_test_init(struct kunit *test) { + if (!kasan_enabled()) { + kunit_err(test, "can't run KASAN tests with KASAN disabled"); + 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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