From: Dave Airlie <airlied@linux.ie>
To: viro@parcelfarce.linux.theplanet.co.uk
Cc: "Robert T. Johnson" <rtjohnso@eecs.berkeley.edu>,
faith@valinux.com, dri-devel@lists.sourceforge.net,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: PATCH: 2.6.7-rc3 drivers/char/drm/gamma_dma.c: several user/kernel pointer bugs
Date: Thu, 10 Jun 2004 09:35:50 +0100 (IST) [thread overview]
Message-ID: <Pine.LNX.4.58.0406100935200.12229@skynet> (raw)
In-Reply-To: <20040610020332.GC12308@parcelfarce.linux.theplanet.co.uk>
I'll fix this in the DRM bk tree and push to Linus...
Dave.
On Thu, 10 Jun 2004 viro@parcelfarce.linux.theplanet.co.uk wrote:
> On Wed, Jun 09, 2004 at 03:53:40PM -0700, Robert T. Johnson wrote:
> > gamma_dma_priority and gamma_dma_send_buffers both deref d->send_indices
> > and/or d->send_sizes. When these functions are called from gamma_dma,
> > these pointers are user pointers and are thus not safe to deref. This patch
> > copies over the pointers inside gamma_dma_priority and
> > gamma_dma_send_buffers. Let me know if you have any questions or if I've
> > made a mistake.
>
> ACK.
>
>
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--
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DECstation / Linux VAX / ILUG person
next prev parent reply other threads:[~2004-06-10 9:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-09 22:53 Robert T. Johnson
2004-06-10 2:03 ` viro
2004-06-10 8:35 ` Dave Airlie [this message]
2004-06-10 9:46 ` Dave Airlie
2004-06-10 20:37 ` Alan Cox
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