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FROMGIT: kasan: don't run tests when KASAN is not enabled

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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
Link: https://lkml.kernel.org/r/25bd4fb5cae7b421d806a1f33fb633edd313f0c7.1610733117.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
(cherry picked from commit 91732c8a7b5ebf26549d84ca885aaee29db4317a
 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm)
Bug: 172318110
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Change-Id: Idd85e67f7843864afe90e7d3ad60bf22b9442737
This commit is contained in:
Andrey Konovalov
2021-02-03 15:35:07 +11:00
committed by Alistair Delva
parent 9346eaec14
commit bdf2f9bb6a
1 changed files with 5 additions and 0 deletions
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5
lib/test_kasan.c
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@@ -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;