[PATCH v4 15/15] kasan: don't run tests when KASAN is not enabled
From: Andrey Konovalov <hidden>
Date: 2021-01-15 17:55:20
Also in:
linux-mm, lkml
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
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 Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Alexander Potapenko <glider@google.com> Signed-off-by: Andrey Konovalov <redacted> --- lib/test_kasan.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index 4ba7461210fd..d16ec9e66806 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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