Re: [PATCH v2 0/2] tty: erase buffers when the kernel is done with it.

[Greg Kroah-Hartman]

On Wed, Oct 10, 2018 at 08:20:06PM +0200, Milan Broz wrote:
> On 04/10/2018 20:06, Greg Kroah-Hartman wrote:
> > azlig and Milan Broz reported that when the tty layer is done with a
> > buffer, the data can hang around in it for a very long time.  That
> > sometimes can "leak" to userspace under some conditions.
> > 
> > Because of this, just zero out the data after the tty layer is finished
> > with it, for buffers that we "think" should be zeroed out.
> > 
> > v2 - addressed some review comments on the 2/2 patch.
> 
> Hello Greg,
> 
> together with our intern we re-tested both patches and it fixes the reported problem,
> so, if it helps anything, you can add
> 
> Tested-by: Milan Broz <gmazyland@xxxxxxxxx>
> Tested-by: Daniel Zatovic <daniel.zatovic@xxxxxxxxx>
> 
> Do you plan to add this to linux-next?

Yes, I'll queue it up soon, thanks for testing!

greg k-h