From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Dmitry Vyukov <dvyukov@google.com>,
Wengang Wang <wen.gang.wang@oracle.com>,
Linux-MM <linux-mm@kvack.org>,
Alexander Potapenko <glider@google.com>,
kasan-dev <kasan-dev@googlegroups.com>
Subject: Re: [PATCH 0/5] mm/kasan: advanced check
Date: Thu, 23 Nov 2017 14:57:33 +0900 [thread overview]
Message-ID: <20171123055732.GA31720@js1304-P5Q-DELUXE> (raw)
In-Reply-To: <da3f79bc-ef84-d516-b659-1f213d46a79f@virtuozzo.com>
On Wed, Nov 22, 2017 at 03:04:51PM +0300, Andrey Ryabinin wrote:
> On 11/20/2017 04:50 AM, Joonsoo Kim wrote:
> >
> > The reason I didn't submit the vchecker to mainline is that I didn't find
> > the case that this tool is useful in real life. Most of the system broken case
> > can be debugged by other ways. Do you see the real case that this tool is
> > helpful? If so, I think that vchecker is more appropriate to be upstreamed.
> > Could you share your opinion?
> >
>
> Isn't everything that vchecker can do and far beyond that can be done via systemtap
> script using watchpoints?
I don't have enough knowledge about systemtap however I guess that
it's not possible. vchecker uses the ASAN hooks which are placed on
all memory read/write around the kernel. We cannot easily add
watchpoints for them.
Thanks.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-11-23 5:51 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-17 22:30 Wengang Wang
2017-11-17 22:30 ` [PATCH 1/5] mm/kasan: make space in shadow bytes for " Wengang Wang
2017-11-17 22:30 ` [PATCH 2/5] mm/kasan: pass access mode to poison check functions Wengang Wang
2017-11-17 22:30 ` [PATCH 3/5] mm/kasan: do advanced check Wengang Wang
2017-11-17 22:30 ` [PATCH 4/5] mm/kasan: register check and bind it to memory Wengang Wang
2017-11-17 22:30 ` [PATCH 5/5] mm/kasan: add advanced check test case Wengang Wang
2017-11-17 22:32 ` [PATCH 0/5] mm/kasan: advanced check Wengang Wang
2017-11-17 22:56 ` Dmitry Vyukov
2017-11-20 1:50 ` Joonsoo Kim
2017-11-20 8:41 ` Dmitry Vyukov
2017-11-20 20:05 ` Wengang
2017-11-20 20:20 ` Dmitry Vyukov
2017-11-20 20:29 ` Wengang
2017-11-21 9:54 ` Dmitry Vyukov
2017-11-21 19:17 ` Wengang Wang
2017-11-22 8:48 ` Dmitry Vyukov
2017-11-22 21:09 ` Wengang Wang
2017-11-20 19:56 ` Wengang
2017-11-22 4:30 ` Joonsoo Kim
2017-11-22 8:51 ` Dmitry Vyukov
2017-11-23 6:07 ` Joonsoo Kim
2017-11-22 19:43 ` Wengang Wang
2017-11-23 6:23 ` Joonsoo Kim
2017-11-23 6:35 ` Joonsoo Kim
2017-11-22 12:04 ` Andrey Ryabinin
2017-11-23 5:57 ` Joonsoo Kim [this message]
2017-11-22 12:04 ` Andrey Ryabinin
2017-11-22 19:29 ` Wengang Wang
2017-11-26 19:37 ` Wengang Wang
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=20171123055732.GA31720@js1304-P5Q-DELUXE \
--to=iamjoonsoo.kim@lge.com \
--cc=aryabinin@virtuozzo.com \
--cc=dvyukov@google.com \
--cc=glider@google.com \
--cc=kasan-dev@googlegroups.com \
--cc=linux-mm@kvack.org \
--cc=wen.gang.wang@oracle.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