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Message-ID: <BL0PR11MB35210EC2D7D1D38B9E27D20E8F15A@BL0PR11MB3521.namprd11.prod.outlook.com>
Date:   Wed, 16 Aug 2023 12:48:06 +0000
From:   "Romanowski, Rafal" <rafal.romanowski@...el.com>
To:     "Lobakin, Aleksander" <aleksander.lobakin@...el.com>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>
CC:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Kees Cook <keescook@...omium.org>,
        "Zaremba, Larysa" <larysa.zaremba@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org>,
        "Jakub Kicinski" <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: RE: [Intel-wired-lan] [PATCH net-next 0/3] virtchnl: fix fake 1-elem
 arrays

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Alexander Lobakin
> Sent: piątek, 4 sierpnia 2023 20:09
> To: Nguyen, Anthony L <anthony.l.nguyen@...el.com>
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>; Kees Cook
> <keescook@...omium.org>; Zaremba, Larysa <larysa.zaremba@...el.com>;
> netdev@...r.kernel.org; Gustavo A. R. Silva <gustavoars@...nel.org>;
> linux-kernel@...r.kernel.org; Eric Dumazet <edumazet@...gle.com>; intel-
> wired-lan@...ts.osuosl.org; linux-hardening@...r.kernel.org; Jakub Kicinski
> <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; David S. Miller
> <davem@...emloft.net>
> Subject: Re: [Intel-wired-lan] [PATCH net-next 0/3] virtchnl: fix fake 1-elem
> arrays
> 
> From: Tony Nguyen <anthony.l.nguyen@...el.com>
> Date: Fri, 4 Aug 2023 11:07:14 -0700
> 
> > On 8/4/2023 9:38 AM, Alexander Lobakin wrote:
> >> From: Alexander Lobakin <aleksander.lobakin@...el.com>
> >> Date: Fri, 28 Jul 2023 17:52:04 +0200
> >>
> >>> 6.5-rc1 started spitting warning splats when composing virtchnl
> >>> messages, precisely on virtchnl_rss_key and virtchnl_lut:
> >>>
> >>> [   84.167709] memcpy: detected field-spanning write (size 52) of
> >>> single field "vrk->key" at
> >>> drivers/net/ethernet/intel/iavf/iavf_virtchnl.c:1095
> >>> (size 1)
> >>> [   84.169915] WARNING: CPU: 3 PID: 11 at
> >>> drivers/net/ethernet/intel/
> >>> iavf/iavf_virtchnl.c:1095 iavf_set_rss_key+0x123/0x140 [iavf]
> >>
> >> [...]
> >>
> >>>   .../ethernet/intel/i40e/i40e_virtchnl_pf.c    |   9 +-
> >>>   drivers/net/ethernet/intel/iavf/iavf.h        |   6 +-
> >>>   drivers/net/ethernet/intel/iavf/iavf_client.c |   4 +-
> >>>   drivers/net/ethernet/intel/iavf/iavf_client.h |   2 +-
> >>>   .../net/ethernet/intel/iavf/iavf_virtchnl.c   |  75 +++++------
> >>>   drivers/net/ethernet/intel/ice/ice_virtchnl.c |   2 +-
> >>>   include/linux/avf/virtchnl.h                  | 127
> >>> +++++++++++-------
> >>>   7 files changed, 124 insertions(+), 101 deletions(-)
> >>>
> >>
> >> Tony, could you please take it via your next tree? I'd like the
> >> validation to make sure more different host <-> guest pairs work.
> >>
> >> (with Kees' tags, assuming he reviewed and approved the whole series,
> >> I
> >>   asked about #2 already)
> >>
> >> Thanks,
> >> Olek
> >
> > Ok, will apply it today. For the future if you want it through IWL,
> > can
> 
> Great, thanks!
> 
> > you tag it with the iwl-* target (and have IWL in the To)? Since this
> > had 'net-next' and was 'To' netdev maintainers, I took it that you
> > wanted it taken through netdev.
> 
> Sure, I know, just for some reason targeted this directly to net at first, but
> then realized it would be better for this to go via IWL
> :clownface:
> 
> >
> > Thanks,
> > Tony
> 
> Thanks,
> Olek
> _______________________________________________
> Intel-wired-lan mailing list
> Intel-wired-lan@...osl.org
> https://lists.osuosl.org/mailman/listinfo/intel-wired-lan


Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>


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