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Subject[PATCH v3 15/15] 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
Signed-off-by: Andrey Konovalov <andreyknvl@google.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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