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authorMarco Elver <[email protected]>2022-01-14 14:04:57 -0800
committerLinus Torvalds <[email protected]>2022-01-15 16:30:26 +0200
commitf98f966cd75002a71caec1b6d209da5762c0efac (patch)
tree456de0b9e2d39e099743035863773cd2d1220be4
parentbed0a9b591492bb285ea88cd221e0412031396ca (diff)
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/[email protected] Signed-off-by: Marco Elver <[email protected]> Reviewed-by: Andrey Konovalov <[email protected]> Cc: Andrey Ryabinin <[email protected]> Cc: Alexander Potapenko <[email protected]> Cc: Dmitry Vyukov <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: David Rientjes <[email protected]> Cc: Joonsoo Kim <[email protected]> Cc: Vlastimil Babka <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--lib/test_kasan.c11
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),