From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Walter Wu <walter-zh.wu@mediatek.com>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: kasan-dev@googlegroups.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
wsd_upstream <wsd_upstream@mediatek.com>,
linux-mediatek@lists.infradead.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v4 2/2] kasan: add test for invalid size in memmove
Date: Fri, 22 Nov 2019 01:21:17 +0300 [thread overview]
Message-ID: <619b898f-f9c2-1185-5ea7-b9bf21924942@virtuozzo.com> (raw)
In-Reply-To: <20191112065313.7060-1-walter-zh.wu@mediatek.com>
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>
next prev parent reply other threads:[~2019-11-21 22:23 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 [this message]
2020-01-30 3:43 ` Walter Wu
2020-01-31 2:16 ` Andrew Morton
2020-01-31 2:53 ` Walter Wu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=619b898f-f9c2-1185-5ea7-b9bf21924942@virtuozzo.com \
--to=aryabinin@virtuozzo.com \
--cc=akpm@linux-foundation.org \
--cc=dvyukov@google.com \
--cc=glider@google.com \
--cc=kasan-dev@googlegroups.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-mm@kvack.org \
--cc=matthias.bgg@gmail.com \
--cc=walter-zh.wu@mediatek.com \
--cc=wsd_upstream@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox