Re: [PATCH 05/12] usb: feed USB device information to the/dev/random driver

From: Greg KH
Date: Fri Jul 06 2012 - 19:18:05 EST


On Fri, Jul 06, 2012 at 06:02:18PM -0500, Jonathan Nieder wrote:
> Hi,
>
> Theodore Ts'o wrote:
>
> > Send the USB device's serial, product, and manufacturer strings to the
> > /dev/random driver to help seed its pools.
> >
> > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> > Acked-by: Greg KH <greg@xxxxxxxxx>
> > Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx
>
> Why cc: stable@? Does this fix a build error, oops, hang, data
> corruption, real security issue, or other critical "oh, that's not
> good" bug?
>
> (I can imagine some reasons but I'm asking because it's not spelled
> out.)

It's part of the larger series that resolves issues with the random
number generator at boot time. You want these patches backported, read
the original report for why.

hope this helps,

greg k-h
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