From: Marco Elver <elver@google.com>
To: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Dmitry Vyukov <dvyukov@google.com>,
Alexander Potapenko <glider@google.com>,
kasan-dev <kasan-dev@googlegroups.com>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
andrey.konovalov@linux.dev
Subject: Re: [PATCH v2 0/8] kasan: test: avoid crashing the kernel with HW_TAGS
Date: Thu, 12 Aug 2021 17:44:03 +0200 [thread overview]
Message-ID: <CANpmjNN-0C8Q4q_Hx988RPSVeb0_54C=cRxfch3H+V3Pb5wWsw@mail.gmail.com> (raw)
In-Reply-To: <CA+fCnZfjsfiAsfnOxJhMaP0i7LaDgsVSkrw_Ut66_E_wQ3hE_g@mail.gmail.com>
On Thu, 12 Aug 2021 at 17:06, Andrey Konovalov <andreyknvl@gmail.com> wrote:
> On Thu, Aug 12, 2021 at 4:53 PM <andrey.konovalov@linux.dev> wrote:
> > From: Andrey Konovalov <andreyknvl@gmail.com>
> >
> > KASAN tests do out-of-bounds and use-after-free accesses. Running the
> > tests works fine for the GENERIC mode, as it uses qurantine and redzones.
> > But the HW_TAGS mode uses neither, and running the tests might crash
> > the kernel.
> >
> > Rework the tests to avoid corrupting kernel memory.
> >
> > Changes v1->v2:
> > - Touch both good and bad memory in memset tests as suggested by Marco.
>
> Ah, I forgot to include your reviews/acks, Marco.
>
> Perhaps you can give one for the whole series now.
Reviewed-by: Marco Elver <elver@google.com>
Looks good, thank you!
prev parent reply other threads:[~2021-08-12 15:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 14:53 andrey.konovalov
2021-08-12 14:53 ` [PATCH v2 1/8] kasan: test: rework kmalloc_oob_right andrey.konovalov
2021-08-12 14:53 ` [PATCH v2 2/8] kasan: test: avoid writing invalid memory andrey.konovalov
2021-08-12 14:53 ` [PATCH v2 3/8] kasan: test: avoid corrupting memory via memset andrey.konovalov
2021-08-12 14:53 ` [PATCH v2 4/8] kasan: test: disable kmalloc_memmove_invalid_size for HW_TAGS andrey.konovalov
2021-08-12 14:53 ` [PATCH v2 5/8] kasan: test: only do kmalloc_uaf_memset for generic mode andrey.konovalov
2021-08-12 14:56 ` [PATCH v2 6/8] kasan: test: clean up ksize_uaf andrey.konovalov
2021-08-12 15:00 ` [PATCH v2 7/8] kasan: test: avoid corrupting memory in copy_user_test andrey.konovalov
2021-08-12 15:05 ` [PATCH v2 8/8] kasan: test: avoid corrupting memory in kasan_rcu_uaf andrey.konovalov
2021-08-12 15:05 ` [PATCH v2 0/8] kasan: test: avoid crashing the kernel with HW_TAGS Andrey Konovalov
2021-08-12 15:44 ` Marco Elver [this message]
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