From: Andrey Ryabinin <ryabinin.a.a@gmail.com>
To: Alexander Potapenko <glider@google.com>,
adech.fo@gmail.com, cl@linux.com, dvyukov@google.com,
akpm@linux-foundation.org, rostedt@goodmis.org,
iamjoonsoo.kim@lge.com, js1304@gmail.com, kcc@google.com
Cc: kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v4 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2
Date: Mon, 29 Feb 2016 19:31:35 +0300 [thread overview]
Message-ID: <56D47267.5070308@gmail.com> (raw)
In-Reply-To: <9d9de65bc0661ccb4a663a4b59c0bb096e642cde.1456504662.git.glider@google.com>
On 02/26/2016 07:48 PM, Alexander Potapenko wrote:
> Signed-off-by: Alexander Potapenko <glider@google.com>
> ---
> lib/test_kasan.c | 2 ++
> 1 file changed, 2 insertions(+)
>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> diff --git a/lib/test_kasan.c b/lib/test_kasan.c
> index 90ad74f..82169fb 100644
> --- a/lib/test_kasan.c
> +++ b/lib/test_kasan.c
> @@ -294,6 +294,8 @@ static noinline void __init kmalloc_uaf2(void)
> }
>
> ptr1[40] = 'x';
> + if (ptr1 == ptr2)
> + pr_err("Could not detect use-after-free: ptr1 == ptr2\n");
> kfree(ptr2);
> }
>
>
--
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WARNING: multiple messages have this Message-ID (diff)
From: Andrey Ryabinin <ryabinin.a.a@gmail.com>
To: Alexander Potapenko <glider@google.com>,
adech.fo@gmail.com, cl@linux.com, dvyukov@google.com,
akpm@linux-foundation.org, rostedt@goodmis.org,
iamjoonsoo.kim@lge.com, js1304@gmail.com, kcc@google.com
Cc: kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v4 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2
Date: Mon, 29 Feb 2016 19:31:35 +0300 [thread overview]
Message-ID: <56D47267.5070308@gmail.com> (raw)
In-Reply-To: <9d9de65bc0661ccb4a663a4b59c0bb096e642cde.1456504662.git.glider@google.com>
On 02/26/2016 07:48 PM, Alexander Potapenko wrote:
> Signed-off-by: Alexander Potapenko <glider@google.com>
> ---
> lib/test_kasan.c | 2 ++
> 1 file changed, 2 insertions(+)
>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> diff --git a/lib/test_kasan.c b/lib/test_kasan.c
> index 90ad74f..82169fb 100644
> --- a/lib/test_kasan.c
> +++ b/lib/test_kasan.c
> @@ -294,6 +294,8 @@ static noinline void __init kmalloc_uaf2(void)
> }
>
> ptr1[40] = 'x';
> + if (ptr1 == ptr2)
> + pr_err("Could not detect use-after-free: ptr1 == ptr2\n");
> kfree(ptr2);
> }
>
>
next prev parent reply other threads:[~2016-02-29 16:31 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 16:48 [PATCH v4 0/7] SLAB support for KASAN Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 1/7] kasan: Modify kmalloc_large_oob_right(), add kmalloc_pagealloc_oob_right() Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 2/7] mm, kasan: SLAB support Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-29 15:10 ` Andrey Ryabinin
2016-02-29 15:10 ` Andrey Ryabinin
2016-02-29 18:28 ` Alexander Potapenko
2016-02-29 18:28 ` Alexander Potapenko
2016-02-29 18:33 ` Alexander Potapenko
2016-02-29 18:33 ` Alexander Potapenko
2016-03-01 14:34 ` Andrey Ryabinin
2016-03-01 14:34 ` Andrey Ryabinin
2016-02-26 16:48 ` [PATCH v4 3/7] mm, kasan: Added GFP flags to KASAN API Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 4/7] arch, ftrace: For KASAN put hard/soft IRQ entries into separate sections Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-27 1:44 ` kbuild test robot
2016-03-02 17:41 ` Steven Rostedt
2016-03-02 17:41 ` Steven Rostedt
2016-02-26 16:48 ` [PATCH v4 5/7] mm, kasan: Stackdepot implementation. Enable stackdepot for SLAB Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-29 16:29 ` Andrey Ryabinin
2016-02-29 16:29 ` Andrey Ryabinin
2016-02-29 17:12 ` Dmitry Vyukov
2016-02-29 17:12 ` Dmitry Vyukov
2016-03-01 11:57 ` Andrey Ryabinin
2016-03-01 11:57 ` Andrey Ryabinin
2016-03-04 14:52 ` Alexander Potapenko
2016-03-04 14:52 ` Alexander Potapenko
2016-03-04 15:01 ` Andrey Ryabinin
2016-03-04 15:01 ` Andrey Ryabinin
2016-03-04 15:06 ` Alexander Potapenko
2016-03-04 15:06 ` Alexander Potapenko
2016-03-04 16:30 ` Andrey Ryabinin
2016-03-04 16:30 ` Andrey Ryabinin
2016-03-08 11:42 ` Alexander Potapenko
2016-03-08 11:42 ` Alexander Potapenko
2016-03-10 16:58 ` Andrey Ryabinin
2016-03-10 16:58 ` Andrey Ryabinin
2016-03-11 11:18 ` Alexander Potapenko
2016-03-11 11:18 ` Alexander Potapenko
2016-03-11 11:43 ` Andrey Ryabinin
2016-03-11 11:43 ` Andrey Ryabinin
2016-03-11 14:49 ` Alexander Potapenko
2016-03-11 14:49 ` Alexander Potapenko
2016-03-11 16:10 ` Steven Rostedt
2016-03-11 16:10 ` Steven Rostedt
2016-03-08 11:30 ` Alexander Potapenko
2016-03-08 11:30 ` Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2 Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-29 16:31 ` Andrey Ryabinin [this message]
2016-02-29 16:31 ` Andrey Ryabinin
2016-02-26 16:48 ` [PATCH v4 7/7] mm: kasan: Initial memory quarantine implementation Alexander Potapenko
2016-02-26 16:48 ` Alexander Potapenko
2016-02-26 22:28 ` [PATCH v4 0/7] SLAB support for KASAN Andrew Morton
2016-02-26 22:28 ` Andrew Morton
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