linux-kernel - Re: [PATCH] binder: add flag to clear buffer on txn complete

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Message-ID: <X7i+QcE8hhY03FX1@kroah.com>
Date:   Sat, 21 Nov 2020 08:14:09 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Todd Kjos <tkjos@...gle.com>
Cc:     christian@...uner.io, arve@...roid.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, maco@...gle.com,
        joel@...lfernandes.org, kernel-team@...roid.com,
        smoreland@...gle.com
Subject: Re: [PATCH] binder: add flag to clear buffer on txn complete

On Fri, Nov 20, 2020 at 03:37:43PM -0800, Todd Kjos wrote:
> Add a per-transaction flag to indicate that the buffer
> must be cleared when the transaction is complete to
> prevent copies of sensitive data from being preserved
> in memory.
> 
> Signed-off-by: Todd Kjos <tkjos@...gle.com>
> ---

DOes this need to be backported to stable kernels as well?

thanks,

greg k-h