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| author | Paul Heidekrüger <paul.heidekrueger@tum.de> | 2024-02-24 10:54:14 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-03-04 17:01:17 -0800 |
| commit | 8cc92a67932febc3f84cf6b3c7d08f27a1b2ebc3 (patch) | |
| tree | 6fbd573e4d8ce35210f88e18d08944a1ec884d96 /mm | |
| parent | dc24559472a682eb124e869cb110e7a2fd857322 (diff) | |
| download | linux-8cc92a67932febc3f84cf6b3c7d08f27a1b2ebc3.tar.gz linux-8cc92a67932febc3f84cf6b3c7d08f27a1b2ebc3.tar.bz2 linux-8cc92a67932febc3f84cf6b3c7d08f27a1b2ebc3.zip | |
kasan: fix a2 allocation and remove explicit cast in atomic tests
Address the additional feedback since 4e76c8cc3378 kasan: add atomic tests
(""kasan: add atomic tests") by removing an explicit cast and fixing the
size as well as the check of the allocation of `a2`.
Link: https://lkml.kernel.org/r/20240224105414.211995-1-paul.heidekrueger@tum.de
Link: https://lore.kernel.org/all/20240131210041.686657-1-paul.heidekrueger@tum.de/T/#u
Fixes: 4e76c8cc3378 ("kasan: add atomic tests")
Signed-off-by: Paul Heidekrüger <paul.heidekrueger@tum.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=214055
Reviewed-by: Marco Elver <elver@google.com>
Tested-by: Marco Elver <elver@google.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/kasan/kasan_test.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/kasan/kasan_test.c b/mm/kasan/kasan_test.c index 2d8ae4fbe63b..7b32be2a3cf0 100644 --- a/mm/kasan/kasan_test.c +++ b/mm/kasan/kasan_test.c @@ -700,7 +700,7 @@ static void kmalloc_uaf3(struct kunit *test) static void kasan_atomics_helper(struct kunit *test, void *unsafe, void *safe) { - int *i_unsafe = (int *)unsafe; + int *i_unsafe = unsafe; KUNIT_EXPECT_KASAN_FAIL(test, READ_ONCE(*i_unsafe)); KUNIT_EXPECT_KASAN_FAIL(test, WRITE_ONCE(*i_unsafe, 42)); @@ -766,8 +766,8 @@ static void kasan_atomics(struct kunit *test) */ a1 = kzalloc(48, GFP_KERNEL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, a1); - a2 = kzalloc(sizeof(int), GFP_KERNEL); - KUNIT_ASSERT_NOT_ERR_OR_NULL(test, a1); + a2 = kzalloc(sizeof(atomic_long_t), GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, a2); /* Use atomics to access the redzone. */ kasan_atomics_helper(test, a1 + 48, a2); |