Re: [PATCH 1/2] kasan: fix invalid-free test crashing the kernel

From: Andrey Ryabinin
Date: Fri Mar 02 2018 - 07:10:58 EST




On 03/01/2018 08:15 PM, Andrey Konovalov wrote:
> When an invalid-free is triggered by one of the KASAN tests, the object
> doesn't actually get freed. This later leads to a BUG failure in
> kmem_cache_destroy that checks that there are no allocated objects in the
> cache that is being destroyed. Fix this by calling kmem_cache_free with
> the proper object address after the call that triggers invalid-free.
>
> Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>

Acked-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>