From: Greg KH <gregkh@linuxfoundation.org>
To: Jamie Iles <jamie.iles@oracle.com>
Cc: aryabinin@virtuozzo.com, stable@vger.kernel.org,
Borislav Petkov <bp@suse.de>
Subject: Re: Extra backport for 4.4.y KPTI+KASAN
Date: Fri, 5 Jan 2018 14:36:55 +0100 [thread overview]
Message-ID: <20180105133655.GD12036@kroah.com> (raw)
In-Reply-To: <20180105121507.x7yrgpw3hpo6z6tm@cedar>
On Fri, Jan 05, 2018 at 12:15:07PM +0000, Jamie Iles wrote:
> Resending with Greg's correct email address.
>
> On Fri, Jan 05, 2018 at 12:11:14PM +0000, Jamie Iles wrote:
> > Hi Greg,
> >
> > When booting a 4.4.y stable-rc kernel with a fairly minimal config and
> > CONFIG_KASAN=y and "nopti" on the kernel command line, or v4.4.109, I
> > get a load of KASAN spews as below. A bisect takes me back to
> > 85d3700c744a11 (x86/mm: If INVPCID is available, use it to flush global
> > mappings), but I think the real fix is to also add 69e0210fd01ff15
> > (x86/kasan: Clear kasan_zero_page after TLB flush) onto your branch to
> > address these false positives.
Again, nice find! I've queued this up as well, thanks.
greg k-h
prev parent reply other threads:[~2018-01-05 13:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-05 12:11 Extra backport for 4.4.y KPTI+KASAN Jamie Iles
2018-01-05 12:15 ` Jamie Iles
2018-01-05 13:36 ` Greg KH [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180105133655.GD12036@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=aryabinin@virtuozzo.com \
--cc=bp@suse.de \
--cc=jamie.iles@oracle.com \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.