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From: Andrey Konovalov <andreyknvl@gmail.com>
To: Marco Elver <elver@google.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 17:05:53 +0200	[thread overview]
Message-ID: <CA+fCnZfjsfiAsfnOxJhMaP0i7LaDgsVSkrw_Ut66_E_wQ3hE_g@mail.gmail.com> (raw)
In-Reply-To: <cover.1628779805.git.andreyknvl@gmail.com>

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.

Thanks!

  parent reply	other threads:[~2021-08-12 15:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-12 14:53 [PATCH v2 0/8] kasan: test: avoid crashing the kernel with HW_TAGS 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 ` Andrey Konovalov [this message]
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
2021-08-12 15:44     ` Marco Elver

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