Hi, Kawai-san,

Thanks for your response.
Then, for now, we will disable nouveau driver.
If we need to re-enable this, please feel free to let us know.

Best regards,
--
M. Kudo

> -----Original Message-----
> From: 河合英宏 / KAWAI，HIDEHIRO <hidehiro.kawai.ez@hitachi.com>
> Sent: Friday, February 26, 2021 9:40 PM
> To: 工藤　雅司（CTJ　OSS事業推進室） <masashi.kudo@cybertrust.co.jp>;
> wens@csie.org
> Cc: cip-dev@lists.cip-project.org; cip-members@lists.cip-project.org
> Subject: RE: hitachi_omap defconfigs
> 
> Kudo-san,
> 
> I'm sorry about this.
> 
> I think we can disable some DRM drivers, but I haven't received response from
> related persons yet.
> So, please simply disable nouveau driver.
> 
> Best regards,
> 
> Hidehiro Kawai
> Hitachi, Ltd. Research & Development Group
> 
> > From: masashi.kudo@cybertrust.co.jp <masashi.kudo@cybertrust.co.jp>
> >
> > Hi, Kawai-san,
> >
> > It's been a while since we last chatted about this issue.
> > If it takes more time, shall we disable nouveau driver as you suggested?
> >
> > Best regards,
> > --
> > M. Kudo
> >
> > > -----Original Message-----
> > > From: 工藤　雅司（CTJ　OSS事業推進室）
> > > Sent: Friday, December 25, 2020 6:28 PM
> > > To: 河合英宏 / KAWAI，HIDEHIRO <hidehiro.kawai.ez@hitachi.com>;
> > > 'wens@csie.org' <wens@csie.org>
> > > Cc: cip-dev@lists.cip-project.org; cip-members@lists.cip-project.org
> > > Subject: RE: hitachi_omap defconfigs
> > >
> > > Hi, Kawai-san,
> > >
> > > Thanks very much for letting us know the current status.
> > > We will wait for your response, so I would appreciate it if you can keep us
> updated.
> > >
> > > Best regards,
> > > --
> > > M. Kudo
> > >
> > > > -----Original Message-----
> > > > From: 河合英宏 / KAWAI，HIDEHIRO <hidehiro.kawai.ez@hitachi.com>
> > > > Sent: Friday, December 25, 2020 3:34 PM
> > > > To: 工藤　雅司（CTJ　OSS事業推進室） <masashi.kudo@cybertrust.co.jp>;
> > > > 'wens@csie.org' <wens@csie.org>
> > > > Cc: cip-dev@lists.cip-project.org;
> > > > cip-members@lists.cip-project.org
> > > > Subject: RE: hitachi_omap defconfigs
> > > >
> > > > Kudo-san and ChenYu-san,
> > > >
> > > > We are sorry for the inconvenience.  The confirmation will take some time.
> > > > If you'd like to solve this issue quickly, please disable nouveau driver now.
> > > > After the confirmation, we'll send an updated defconfig.
> > > >
> > > > Best regards,
> > > >
> > > > Hidehiro Kawai
> > > > Hitachi, Ltd. Research & Development Group
> > > >
> > > > > From: cip-members@lists.cip-project.org
> > > > > <cip-members@lists.cip-project.org> On Behalf Of Hidehiro Kawai
> > > > >
> > > > > Hello Kudo-san and ChenYu-san,
> > > > >
> > > > > Thanks for reporting the issue.
> > > > > Including nouveau driver, it seems that our defconfigs have some
> > > > > unneeded drivers.  I'm confirming this with our development
> > > > > team, please wait
> > > > a moment.
> > > > >
> > > > > Best regards,
> > > > >
> > > > > Hidehiro Kawai
> > > > > Hitachi, Ltd. Research & Development Group
> > > > >
> > > > > > From: cip-dev@lists.cip-project.org
> > > > > > <cip-dev@lists.cip-project.org> On Behalf Of
> > > > > > masashi.kudo@cybertrust.co.jp Hi, Hitachi-team,
> > > > > >
> > > > > > Last week, CVE-2020-27820 [drm/nouveau UAF] was reported by
> > > > > > the
> > > > following email.
> > > > > >
> https://clicktime.symantec.com/3HW3CdVzyukGSgx2iFmjhKS7Vc?u=ht
> > > > > > tp
> > > > > >
> s%3A%2F%2Fclicktime.symantec.com%2F3Hrgtrrm6ninbLpVgrZpbS37Vc%
> > > > > > 3F
> > > > > > u%3Dhttps%25
> > > > > > 3A
> > > > > > %2 F%2Flore.kernel.org%2Fcip-dev%2FCAGb2v641%3DSr
> > > > > >
> > > >
> > >
> fdDh9CS4fwWVrfuCG2O2oni9V_QsVJEza%2Bg5mRg%40mail.gmail.com%2FT%2
> > > > F%23
> > > > > > u
> > > > > >
> > > > > > According to the kernel team analysis, it seems that the
> > > > > > nouveau driver is enabled in hitachi_omap defconfigs for both
> > > > > > 4.4 and 4.19.
> > > > > > However, the configs are for OMAP platforms which, according
> > > > > > to our
> > > > understanding, don't have PCI for a graphics card.
> > > > > > So we think that the hitachi_omap defconfigs should be
> > > > > > corrected to disable
> > > > the nouveau driver.
> > > > > >
> > > > > > We could be wrong, so please advise us. Once you confirm it to
> > > > > > be corrected,
> > > > we will go ahead to change it.
> > > > > > Best regards,
> > > > > > --
> > > > > > M. Kudo
> > > > >
> > > > >
> > > > >