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| author | Marco Elver <elver@google.com> | 2022-01-14 14:04:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-15 16:30:26 +0200 |
| commit | f98f966cd75002a71caec1b6d209da5762c0efac (patch) | |
| tree | 456de0b9e2d39e099743035863773cd2d1220be4 /lib | |
| parent | bed0a9b591492bb285ea88cd221e0412031396ca (diff) | |
| download | linux-f98f966cd75002a71caec1b6d209da5762c0efac.tar.bz2 | |
kasan: test: add test case for double-kmem_cache_destroy()
Add a test case for double-kmem_cache_destroy() detection.
Link: https://lkml.kernel.org/r/20211119142219.1519617-2-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/test_kasan.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/test_kasan.c b/lib/test_kasan.c index 818e763b5b87..847cdbefab46 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -866,6 +866,16 @@ static void kmem_cache_invalid_free(struct kunit *test) kmem_cache_destroy(cache); } +static void kmem_cache_double_destroy(struct kunit *test) +{ + struct kmem_cache *cache; + + cache = kmem_cache_create("test_cache", 200, 0, 0, NULL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache); + kmem_cache_destroy(cache); + KUNIT_EXPECT_KASAN_FAIL(test, kmem_cache_destroy(cache)); +} + static void kasan_memchr(struct kunit *test) { char *ptr; @@ -1185,6 +1195,7 @@ static struct kunit_case kasan_kunit_test_cases[] = { KUNIT_CASE(ksize_uaf), KUNIT_CASE(kmem_cache_double_free), KUNIT_CASE(kmem_cache_invalid_free), + KUNIT_CASE(kmem_cache_double_destroy), KUNIT_CASE(kasan_memchr), KUNIT_CASE(kasan_memcmp), KUNIT_CASE(kasan_strings), |