Re: [patch -longterm v2] V4L/DVB: v4l2-ioctl: integer overflow in video_usercopy()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Jan 05, 2012 at 08:43:58AM -0800, Greg KH wrote:
> On Thu, Jan 05, 2012 at 09:28:22AM +0300, Dan Carpenter wrote:
> > If p->count is too high the multiplication could overflow and
> > array_size would be lower than expected.  Mauro and Hans Verkuil
> > suggested that we cap it at 1024.  That comes from the maximum
> > number of controls with lots of room for expantion.
> > 
> > $ grep V4L2_CID include/linux/videodev2.h | wc -l
> > 211
> > 
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> So this patch is only for 2.6.32?  But the original needs to get into
> Linus's tree first (which is what I'm guessing the other patch you sent
> is, right?)

Yep.

regards,
dan carpenter

Attachment: signature.asc
Description: Digital signature


[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux