All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg KH <greg@kroah.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Vasiliy Kulikov <segooon@gmail.com>,
	Iliyan Malchev <ibm@android.com>,
	Brian Swetland <swetland@google.com>, San Mehat <san@android.com>,
	kernel-janitors@vger.kernel.org, Tejun Heo <tj@kernel.org>,
	devel@driverdev.osuosl.org, Greg Kroah-Hartman <gregkh@suse.de>,
	linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH 1/8] staging: dream: fix information leak to userland
Date: Thu, 28 Oct 2010 21:08:02 +0000	[thread overview]
Message-ID: <20101028210802.GA23773@kroah.com> (raw)
In-Reply-To: <20101028205831.GD19421@elf.ucw.cz>

On Thu, Oct 28, 2010 at 10:58:31PM +0200, Pavel Machek wrote:
> Hi!
> 
> > > Structure msm_audio_stats is copied to userland with some fields unitialized.
> > > It leads to leaking of contents of kernel stack memory.
> > > Also struct msm_audio_config has field "unused" of type array of 3 elements,
> > > not 4.  Instead of this, initialize field "type".
> > > 
> > > Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
> > > ---
> > >  drivers/staging/dream/qdsp5/audio_aac.c |    3 ++-
> > 
> > {sigh}
> > 
> > I'd really like to just drop this whole driver as I feel it's _way_
> > behind whatever anyone is really using "in the wild".
> > 
> > Actually, I doubt that anyone even uses this thing, do they?
> 
> Not sure, you should definitely talk to codeaurora folks.
> 
> > Any objection to me just dropping the drivers/staging/dream/ tree?
> > People should be working on the chipset-specific driver tree here
> > instead, right?
> 
> codeaurora people should know...

Which specific ones?  No one seems to be contributing to the
drivers/staging/dream/ anymore, and there are a number of out-of-tree
dream trees floating around now.

> > Pavel, it looks like you're not doing any dream work anymore, any
> > problems with me dropping it?
> 
> Too busy to do any real work on Dream, sorry :-(.

Ok, I think I'll just drop it unless someone screams.

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <greg@kroah.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Vasiliy Kulikov <segooon@gmail.com>,
	Iliyan Malchev <ibm@android.com>,
	Brian Swetland <swetland@google.com>, San Mehat <san@android.com>,
	kernel-janitors@vger.kernel.org, Tejun Heo <tj@kernel.org>,
	devel@driverdev.osuosl.org, Greg Kroah-Hartman <gregkh@suse.de>,
	linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH 1/8] staging: dream: fix information leak to userland
Date: Thu, 28 Oct 2010 14:08:02 -0700	[thread overview]
Message-ID: <20101028210802.GA23773@kroah.com> (raw)
In-Reply-To: <20101028205831.GD19421@elf.ucw.cz>

On Thu, Oct 28, 2010 at 10:58:31PM +0200, Pavel Machek wrote:
> Hi!
> 
> > > Structure msm_audio_stats is copied to userland with some fields unitialized.
> > > It leads to leaking of contents of kernel stack memory.
> > > Also struct msm_audio_config has field "unused" of type array of 3 elements,
> > > not 4.  Instead of this, initialize field "type".
> > > 
> > > Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
> > > ---
> > >  drivers/staging/dream/qdsp5/audio_aac.c |    3 ++-
> > 
> > {sigh}
> > 
> > I'd really like to just drop this whole driver as I feel it's _way_
> > behind whatever anyone is really using "in the wild".
> > 
> > Actually, I doubt that anyone even uses this thing, do they?
> 
> Not sure, you should definitely talk to codeaurora folks.
> 
> > Any objection to me just dropping the drivers/staging/dream/ tree?
> > People should be working on the chipset-specific driver tree here
> > instead, right?
> 
> codeaurora people should know...

Which specific ones?  No one seems to be contributing to the
drivers/staging/dream/ anymore, and there are a number of out-of-tree
dream trees floating around now.

> > Pavel, it looks like you're not doing any dream work anymore, any
> > problems with me dropping it?
> 
> Too busy to do any real work on Dream, sorry :-(.

Ok, I think I'll just drop it unless someone screams.

thanks,

greg k-h

  reply	other threads:[~2010-10-28 21:08 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-28 20:01 [PATCH 1/8] staging: dream: fix information leak to userland Vasiliy Kulikov
2010-10-28 20:01 ` Vasiliy Kulikov
2010-10-28 20:45 ` Greg KH
2010-10-28 20:45   ` Greg KH
2010-10-28 20:58   ` Pavel Machek
2010-10-28 20:58     ` Pavel Machek
2010-10-28 21:08     ` Greg KH [this message]
2010-10-28 21:08       ` Greg KH
2010-10-29  1:32       ` Bryan Huntsman
2010-10-29  1:32         ` Bryan Huntsman
2010-10-29  1:38         ` Greg KH
2010-10-29  1:38           ` Greg KH
2010-10-29 18:27           ` Bryan Huntsman
2010-10-29 18:27             ` Bryan Huntsman
2010-10-29 19:40             ` Greg KH
2010-10-29 19:40               ` Greg KH

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=20101028210802.GA23773@kroah.com \
    --to=greg@kroah.com \
    --cc=arnd@arndb.de \
    --cc=devel@driverdev.osuosl.org \
    --cc=gregkh@suse.de \
    --cc=ibm@android.com \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pavel@ucw.cz \
    --cc=san@android.com \
    --cc=segooon@gmail.com \
    --cc=swetland@google.com \
    --cc=tj@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.