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From: Andrew Morton <akpm@linux-foundation.org>
To: Walter Wu <walter-zh.wu@mediatek.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Alexander Potapenko <glider@google.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	"kasan-dev@googlegroups.com" <kasan-dev@googlegroups.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	wsd_upstream <wsd_upstream@mediatek.com>,
	"linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH v4 2/2] kasan: add test for invalid size in memmove
Date: Thu, 30 Jan 2020 18:16:13 -0800	[thread overview]
Message-ID: <20200130181613.1bfb8df8e73a280512cab8ef@linux-foundation.org> (raw)
In-Reply-To: <1580355838.11126.5.camel@mtksdccf07>

On Thu, 30 Jan 2020 11:43:58 +0800 Walter Wu <walter-zh.wu@mediatek.com> wrote:

> On Fri, 2019-11-22 at 06:21 +0800, Andrey Ryabinin wrote:
> > 
> > On 11/12/19 9:53 AM, Walter Wu wrote:
> > > Test negative size in memmove in order to verify whether it correctly
> > > get KASAN report.
> > > 
> > > Casting negative numbers to size_t would indeed turn up as a large
> > > size_t, so it will have out-of-bounds bug and be detected by KASAN.
> > > 
> > > Signed-off-by: Walter Wu <walter-zh.wu@mediatek.com>
> > > Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
> > 
> > Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> 
> Hi Andrey, Dmitry, Andrew,
> 
> Would you tell me why this patch-sets don't merge into linux-next tree?
> We lost something?
> 

In response to [1/2] Andrey said "So let's keep this code as this" and
you said "I will send a new v5 patch tomorrow".  So we're awaiting a v5
patchset?



  reply	other threads:[~2020-01-31  2:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-12  6:53 Walter Wu
2019-11-21 22:21 ` Andrey Ryabinin
2020-01-30  3:43   ` Walter Wu
2020-01-31  2:16     ` Andrew Morton [this message]
2020-01-31  2:53       ` Walter Wu

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