From: "John W. Linville" <linville@tuxdriver.com>
To: Tim Harvey <harvey.tim@gmail.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] mac80211: Fix NULL-pointer deference on ibss merge when not ready
Date: Thu, 9 Dec 2010 12:19:51 -0500 [thread overview]
Message-ID: <20101209171951.GB2339@tuxdriver.com> (raw)
In-Reply-To: <1291913039-20801-1-git-send-email-harvey.tim@gmail.com>
On Thu, Dec 09, 2010 at 08:43:59AM -0800, Tim Harvey wrote:
> dev_open will eventually call ieee80211_ibss_join which sets up the
> skb used for beacons/probe-responses however it is possible to
> receive beacons that attempt to merge before this occurs causing
> a null pointer dereference.
>
> This occurs quite easily in the presence of adhoc nodes with hidden SSID's
> ---
> net/mac80211/ibss.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
Signed-off-by?
--
John W. Linville Someday the world will need a hero, and you
linville@tuxdriver.com might be all we have. Be ready.
prev parent reply other threads:[~2010-12-09 17:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-09 16:43 [PATCH] mac80211: Fix NULL-pointer deference on ibss merge when not ready Tim Harvey
2010-12-09 17:19 ` John W. Linville [this message]
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=20101209171951.GB2339@tuxdriver.com \
--to=linville@tuxdriver.com \
--cc=harvey.tim@gmail.com \
--cc=linux-wireless@vger.kernel.org \
/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