mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Jens Axboe <jens.axboe@oracle.com>
To: wzt.wzt@gmail.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Block: Fix block/elevator.c elevator_get() off-by-one error
Date: Fri, 2 Apr 2010 08:40:53 +0200	[thread overview]
Message-ID: <20100402064053.GU23510@kernel.dk> (raw)
In-Reply-To: <20100330092132.GB2713@localhost.localdomain>

On Tue, Mar 30 2010, wzt.wzt@gmail.com wrote:
> elevator_get() not check the name length, if the name length > sizeof(elv),
> elv will miss the '\0'. And elv buffer will be replace "-iosched" as something
> like aaaaaaaaa, then call request_module() can load an not trust module.

Thanks, good catch! Applied.


-- 
Jens Axboe


  reply	other threads:[~2010-04-02  6:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-30  9:21 wzt.wzt
2010-04-02  6:40 ` Jens Axboe [this message]
2010-04-02  7:14 ` Xiaotian Feng

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=20100402064053.GU23510@kernel.dk \
    --to=jens.axboe@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=wzt.wzt@gmail.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
all inboxes | Powered by JetHome®