On Sat, 26 Apr 2025 at 14:24, Kees Cook kees@kernel.org wrote:

In preparation for making the kmalloc family of allocators type aware, we need to make sure that the returned type from the allocation matches the type of the variable being assigned. (Before, the allocator would always return "void *", which can be implicitly cast to any pointer type.)

The assigned type is "struct kunit_suite **" but the returned type will be "struct kunit_suite * const *". Since it isn't generally possible to remove the const qualifier, adjust the allocation type to match the assignment.

Signed-off-by: Kees Cook kees@kernel.org

Cc: Brendan Higgins brendan.higgins@linux.dev Cc: David Gow davidgow@google.com Cc: Rae Moar rmoar@google.com Cc: linux-kselftest@vger.kernel.org Cc: kunit-dev@googlegroups.com

---

Nice catch!

Reviewed-by: David Gow davidgow@google.com

Cheers, -- David

lib/kunit/executor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c index 3f39955cb0f1..0061d4c7e351 100644 --- a/lib/kunit/executor.c +++ b/lib/kunit/executor.c @@ -177,7 +177,7 @@ kunit_filter_suites(const struct kunit_suite_set *suite_set,

    const size_t max = suite_set->end - suite_set->start;

•   copy = kcalloc(max, sizeof(*filtered.start), GFP_KERNEL);
  

•   copy = kcalloc(max, sizeof(*copy), GFP_KERNEL);
    if (!copy) { /* won't be able to run anything, return an empty set */
            return filtered;
    }
  

-- 2.34.1