Fwd: Linux 6.3.1 + AMD RX 570 on ppc64le 4K: Kernel attempted to read user page (1128) - exploit attempt? (uid: 0)

Alex Deucher alexdeucher at gmail.com
Fri May 12 15:17:41 UTC 2023


On Fri, May 12, 2023 at 11:16 AM Christophe Leroy
<christophe.leroy at csgroup.eu> wrote:
>
>
>
> Le 11/05/2023 à 19:25, Niccolò Belli a écrit :
> > [Vous ne recevez pas souvent de courriers de darkbasic at linuxsystems.it.
> > D?couvrez pourquoi ceci est important ?
> > https://aka.ms/LearnAboutSenderIdentification ]
> >
> > Il 2023-05-12 10:32 Bagas Sanjaya ha scritto:
> >> #regzbot introduced: f4f3b7dedbe849
> >> #regzbot link: https://gitlab.freedesktop.org/drm/amd/-/issues/2553
> >
> > It doesn't look like the aforementioned patch made its way into 6.3 yet:
> >
> > niko at talos2 ~/devel/linux-stable $ git branch
> > * linux-6.3.y
> >    master
> > niko at talos2 ~/devel/linux-stable $ git show f4f3b7dedbe8 | patch -p1
> > patching file
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
> > Hunk #1 succeeded at 227 (offset 15 lines).
> > Hunk #2 succeeded at 269 with fuzz 2 (offset 19 lines).
> > patching file
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
> > Hunk #1 succeeded at 49 with fuzz 2 (offset 15 lines).
>
> As far as I can see that patch has no Fixes: tag, so it will unlikely be
> automatically merged into stable.
>
> Has anybody requested greg/sasha to get it into 6.3 ?

This is no fix identified yet.

Alex


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